[-- or ND, no data]

Local Well identifier1 Agency well 

identifier2 Agency3 Well type4

Completed

well depth

(feet below 

land surface)

Well opening(s)

(feet below 

land surface)

Source for well 

construction 

information5

Sample date

1,4-dioxane 

concentration 

plotted (μg/L)6

1,4-dioxane 

concentration 

reported (μg/L)

Sampling agency7 Reference8 Remarks

B-103 A 320837110585001 USGS Former Supply 522 65  150 USGS 09/18/2006 0.5 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 155 feet below well head.

08/14/2007 0.5 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 180 feet below well head.

05/15/2008 0.25 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 150 feet below well head.

08/29/2008 0.25 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 150 feet below well head.

07/28/2009 0.25 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 150 feet below well head.

C-064 A 320828110575201 USGS Former Supply 189 75 165 USGS 08/15/2007 1.7 1.7 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 114 feet below well head.

05/15/2008 1.7 1.7 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 120 feet below well head.

08/29/2008 1.4 1.4 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 120 feet below well head.

07/28/2009 1.5 1.5 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 120 feet below well head.

C-064 B 320826110574801 USGS Former Supply 900 107  900 USGS 08/15/2007 1.6 1.6 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 118 feet below well head.

05/15/2008 1.7 1.7 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 120 feet below well head.

08/29/2008 1.5 1.5 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 120 feet below well head.

07/28/2009 2.0 2.0 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 120 feet below well head.

C-066 A 320732110582601 USGS Former Supply 743 68  743 USGS 08/15/2007 4 4 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 84 feet below well head.

05/15/2008 3.6 3.6 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 100 feet below well head.

08/29/2008 2.7 2.7 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 100 feet below well head.

07/28/2009 1.9 1.9 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 100 feet below well head.

C-077 A 320815110585201 USGS Former Supply 150 50  150 Tucson Water 09/18/2006 0.5 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 90 feet below well head.

08/14/2007 0.5 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 75 feet below well head.

05/15/2008 0.77 0.77 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 75 feet below well head.

08/29/2008 0.25 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 75 feet below well head.

07/28/2009 0.53 0.53 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 75 feet below well head.

C-078 A 320810110585001 USGS Former Supply 229.6 31.8  229.6 USGS 09/18/2006 0.5 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 175 feet below well head.

08/14/2007 0.5 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 170 feet below well head.

05/15/2008 0.61 0.61 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 170 feet below well head.

08/29/2008 0.52 0.52 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 170 feet below well head.

07/28/2009 0.58 0.58 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 170 feet below well head.

C-081 A 320713110583101 USGS Former Supply 520 79  520 Tucson Water 09/18/2006 0.5 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 275 feet below well head.

08/15/2007 0.5 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 99 feet below well head.

05/15/2008 0.25 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 185 feet below well head.

07/28/2009 0.25 ND USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 185 feet below well head.

D-7 55-569349 ADWR Monitoring 139 129  139 ADEQ 03/01/2007 7.4 7.4 TIAA Conestoga-Rovers & Associates, 2007

02/09/2009 6.3 6.3 TIAA Conestoga-Rovers & Associates, 2009

EPA 7 320750110574601 USGS Monitoring 393 323  372 USGS 09/17/2006 5.8 5.8 USGS Tillman, 2009

08/09/2007 4.8 4.8 USGS Tillman, 2009

EPA 10 320911110580601 USGS Monitoring 235 167  215 USGS 06/05/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

08/05/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

08/05/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/09/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/11/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/16/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/16/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/17/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/06/2007 0.5 ND USGS Tillman, 2009

08/06/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

01/30/2008 0.76 0.76 USGS Tillman, 2009

01/30/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/11/2008 1.8 Tucson Water Malcolm Pirnie, 2009

08/11/2008 1.3 Tucson Water Malcolm Pirnie, 2009

08/05/2009 0.63 0.63 USGS Tillman, 2009

08/05/2009 0.25 ND USGS Tillman, 2009

EW-4 55-593190 ADWR Monitoring 126 109  119 ADEQ 06/13/2007 2.1 2.1 TIAA Conestoga-Rovers & Associates, 2007

02/05/2009 3.9 3.9 TIAA Conestoga-Rovers & Associates, 2009

PK-010 A 320837110584401 USGS Former Supply 250 92  250 USGS 09/18/2006 2 2 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 155 feet below well head.

08/14/2007 1.9 1.9 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 188 feet below well head.

05/15/2008 1.8 1.8 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 190 feet below well head.

08/29/2008 1.5 1.5 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 190 feet below well head.

07/28/2009 1.6 1.6 USGS Tillman, 2009 Well not purged prior to sample collection by bailer at depth of 190 feet below well head.

PW-003 55-637976 ADWR Private unknown unknown PDEQ 02/26/2002 0.5 ND ADEQ Pima County Department of Environmental Quality, 2009 Date for 2002 sample not reported. Plotted as occurring on 2/26/2002.

02/26/2003 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/02/2004 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/01/2005 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/06/2006 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/26/2007 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

03/04/2008 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/02/2009 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

PW-007 320853110575401 ADWR Private 150 unknown PDEQ 02/26/2002 0.5 ND ADEQ Pima County Department of Environmental Quality, 2009 Date for 2002 sample not reported. Plotted as occurring on 2/26/2002.

02/28/2003 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/02/2004 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/01/2005 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/06/2006 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/02/2009 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

PW-011 320746110574101 ADWR Private 223 unknown PDEQ 04/21/2003 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/05/2004 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/01/2005 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/06/2006 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/26/2007 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

03/04/2008 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/02/2009 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

PW-012 55-640042 ADWR Private 212 unknown PDEQ 02/26/2002 0.5 ND ADEQ Pima County Department of Environmental Quality, 2009 Date for 2002 sample not reported. Plotted as occurring on 2/26/2002.

02/28/2003 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/06/2004 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/02/2005 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/06/2006 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/26/2007 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

03/04/2008 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

02/02/2009 0.5 <1.0UJ PDEQ Pima County Department of Environmental Quality, 2009 "UJ = Reporting limit is considered an estimated value"

PW-013 -- -- Private unknown unknown PDEQ 02/26/2002 1.7 1.7 ADEQ Pima County Department of Environmental Quality, 2009 Date for 2002 sample not reported. Plotted as occurring on 2/26/2002.

04/21/2003 1.8 1.8 PDEQ Pima County Department of Environmental Quality, 2009

02/06/2004 1.5 1.5 PDEQ Pima County Department of Environmental Quality, 2009

02/02/2005 1.9 1.9 PDEQ Pima County Department of Environmental Quality, 2009

02/07/2006 1.7 1.7 PDEQ Pima County Department of Environmental Quality, 2009

02/26/2007 2.3 2.3 PDEQ Pima County Department of Environmental Quality, 2009

03/05/2008 2 2 PDEQ Pima County Department of Environmental Quality, 2009

02/03/2009 0.5 <1.0UJ PDEQ Pima County Department of Environmental Quality, 2009 "UJ = Reporting limit is considered an estimated value"

PW-014 -- -- Private unknown unknown PDEQ 02/26/2002 6.8 6.8 ADEQ Pima County Department of Environmental Quality, 2009 Date for 2002 sample not reported. Plotted as occurring on 2/26/2002.

02/26/2003 7.1 7.1 PDEQ Pima County Department of Environmental Quality, 2009

02/06/2004 7.1 7.1 PDEQ Pima County Department of Environmental Quality, 2009

02/02/2005 6.6 6.6 PDEQ Pima County Department of Environmental Quality, 2009

02/07/2006 7 7 PDEQ Pima County Department of Environmental Quality, 2009

02/27/2007 6.8 6.8 PDEQ Pima County Department of Environmental Quality, 2009

03/05/2008 6.1 6.1 PDEQ Pima County Department of Environmental Quality, 2009

02/03/2009 1.6 1.6 PDEQ Pima County Department of Environmental Quality, 2009

PW-020 320755110583201 USGS Private 140 unknown PDEQ 02/26/2002 8.5 8.5 ADEQ Pima County Department of Environmental Quality, 2009 Date for 2002 sample not reported. Plotted as occurring on 2/26/2002.

02/26/2003 10 10 PDEQ Pima County Department of Environmental Quality, 2009

02/02/2004 10 10 PDEQ Pima County Department of Environmental Quality, 2009

02/03/2005 8 8 PDEQ Pima County Department of Environmental Quality, 2009

02/07/2006 7.2 7.2 PDEQ Pima County Department of Environmental Quality, 2009

09/11/2006 6.8 6.8 USGS Tillman, 2009

02/27/2007 6.4 6.4 PDEQ Pima County Department of Environmental Quality, 2009

08/07/2007 5.3 5.3 USGS Tillman, 2009

02/20/2008 4.3 4.3 USGS Tillman, 2009

03/05/2008 4.2 4.2 PDEQ Pima County Department of Environmental Quality, 2009

08/29/2008 3.8 3.8 USGS Tillman, 2009

08/29/2008 3.8 3.8 USGS Tillman, 2009

02/03/2009 0.5 ND PDEQ Pima County Department of Environmental Quality, 2009

08/10/2009 3.0 3.0 USGS Tillman, 2009

R-001 A 320834110583301 USGS Supply 165 110  150 USGS 04/08/2002 4.8 4.8 Tucson Water Malcolm Pirnie, 2007

02/18/2003 6.1 6.1 Tucson Water Malcolm Pirnie, 2007

08/05/2003 4.5 4.5 Tucson Water Malcolm Pirnie, 2007

11/04/2003 6.6 6.6 Tucson Water Malcolm Pirnie, 2007

02/17/2004 6.2 6.2 Tucson Water Malcolm Pirnie, 2009

05/25/2004 5.9 5.9 Tucson Water Malcolm Pirnie, 2009

08/11/2004 6.6 6.6 Tucson Water Malcolm Pirnie, 2009

11/10/2004 7.1 7.1 Tucson Water Malcolm Pirnie, 2009

02/10/2005 5.5 5.5 Tucson Water Malcolm Pirnie, 2009

05/16/2005 5.3 5.3 Tucson Water Malcolm Pirnie, 2009

08/09/2005 6.4 6.4 Tucson Water Malcolm Pirnie, 2009

11/03/2005 7.5 7.5 Tucson Water Malcolm Pirnie, 2009

02/07/2006 7.9 7.9 Tucson Water Malcolm Pirnie, 2009

05/11/2006 6.1 6.1 Tucson Water Malcolm Pirnie, 2009

08/09/2006 7.4 7.4 Tucson Water Malcolm Pirnie, 2009

08/09/2006 7.8 7.8 USGS Tillman, 2009

11/13/2006 6.8 6.8 Tucson Water Malcolm Pirnie, 2009

02/13/2007 5 5 Tucson Water Malcolm Pirnie, 2009

05/14/2007 3.7 3.7 Tucson Water Malcolm Pirnie, 2009

08/14/2007 6.2 6.2 USGS Tillman, 2009

08/14/2007 5.2 5.2 Tucson Water Malcolm Pirnie, 2009

11/19/2007 8.2 8.2 Tucson Water Malcolm Pirnie, 2009

02/19/2008 7.1 7.1 USGS Tillman, 2009

02/19/2008 5.6 5.6 Tucson Water Malcolm Pirnie, 2009

05/14/2008 6.8 6.8 Tucson Water Malcolm Pirnie, 2009

08/25/2008 7.1 7.1 Tucson Water Malcolm Pirnie, 2009

08/25/2008 7.4 7.4 USGS Tillman, 2009

11/12/2008 5.9 5.9 Tucson Water Malcolm Pirnie, 2009

12/30/2008 6.7 6.7 Tucson Water Malcolm Pirnie, 2009

01/13/2009 6.6 6.6 Tucson Water Malcolm Pirnie, 2009

02/17/2009 7.4 7.4 Tucson Water Malcolm Pirnie, 2009

08/10/2009 6.4 6.4 USGS Tillman, 2009

R-002 A 320840110582701 USGS Supply 171 110  150 USGS 04/08/2002 6.7 6.7 Tucson Water Malcolm Pirnie, 2007

02/18/2003 9.4 9.4 Tucson Water Malcolm Pirnie, 2007

08/05/2003 7.2 7.2 Tucson Water Malcolm Pirnie, 2007

11/04/2003 9.2 9.2 Tucson Water Malcolm Pirnie, 2007

02/17/2004 8.3 8.3 Tucson Water Malcolm Pirnie, 2009

05/25/2004 8 8 Tucson Water Malcolm Pirnie, 2009

08/11/2004 8.6 8.6 Tucson Water Malcolm Pirnie, 2009

11/10/2004 9.4 9.4 Tucson Water Malcolm Pirnie, 2009

02/10/2005 6.8 6.8 Tucson Water Malcolm Pirnie, 2009

05/16/2005 6.1 6.1 Tucson Water Malcolm Pirnie, 2009

08/09/2005 8.8 8.8 Tucson Water Malcolm Pirnie, 2009

11/03/2005 7.2 7.2 Tucson Water Malcolm Pirnie, 2009

02/07/2006 9.1 9.1 Tucson Water Malcolm Pirnie, 2009

05/11/2006 7.4 7.4 Tucson Water Malcolm Pirnie, 2009

08/09/2006 9.9 9.9 Tucson Water Malcolm Pirnie, 2009

08/09/2006 8.6 8.6 USGS Tillman, 2009

11/13/2006 6.8 6.8 Tucson Water Malcolm Pirnie, 2009

02/13/2007 6.2 6.2 Tucson Water Malcolm Pirnie, 2009

05/14/2007 4.2 4.2 Tucson Water Malcolm Pirnie, 2009

08/14/2007 7.3 7.3 USGS Tillman, 2009

08/14/2007 8.1 8.1 Tucson Water Malcolm Pirnie, 2009

11/19/2007 10.1 10.1 Tucson Water Malcolm Pirnie, 2009

02/19/2008 7.7 7.7 USGS Tillman, 2009

02/19/2008 7.9 7.9 Tucson Water Malcolm Pirnie, 2009

08/25/2008 7.2 7.2 Tucson Water Malcolm Pirnie, 2009

08/25/2008 8.2 8.2 USGS Tillman, 2009

11/12/2008 6.7 6.7 Tucson Water Malcolm Pirnie, 2009

12/30/2008 7.4 7.4 Tucson Water Malcolm Pirnie, 2009

01/13/2009 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

02/17/2009 7.1 7.1 Tucson Water Malcolm Pirnie, 2009

08/10/2009 6.6 6.6 USGS Tillman, 2009

R-003 A 320842110581901 USGS Supply 169 120  155 USGS 04/08/2002 8.7 8.7 Tucson Water Malcolm Pirnie, 2007

02/18/2003 11.0 11.0 Tucson Water Malcolm Pirnie, 2007

08/05/2003 8.9 8.9 Tucson Water Malcolm Pirnie, 2007

11/04/2003 11.2 11.2 Tucson Water Malcolm Pirnie, 2007

02/25/2004 9.2 9.2 Tucson Water Malcolm Pirnie, 2009

05/25/2004 8.7 8.7 Tucson Water Malcolm Pirnie, 2009

08/11/2004 10.5 10.5 Tucson Water Malcolm Pirnie, 2009

11/10/2004 11.1 11.1 Tucson Water Malcolm Pirnie, 2009

02/10/2005 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

08/09/2005 7.9 7.9 Tucson Water Malcolm Pirnie, 2009

11/03/2005 8.1 8.1 Tucson Water Malcolm Pirnie, 2009

02/07/2006 9.6 9.6 Tucson Water Malcolm Pirnie, 2009

05/11/2006 8.1 8.1 Tucson Water Malcolm Pirnie, 2009

08/09/2006 10.8 10.8 Tucson Water Malcolm Pirnie, 2009

11/13/2006 8.8 8.8 Tucson Water Malcolm Pirnie, 2009

02/13/2007 7.2 7.2 Tucson Water Malcolm Pirnie, 2009

05/14/2007 5.7 5.7 Tucson Water Malcolm Pirnie, 2009

08/14/2007 7.1 7.1 Tucson Water Malcolm Pirnie, 2009

11/19/2007 9.2 9.2 Tucson Water Malcolm Pirnie, 2009

02/19/2008 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

08/25/2008 7.9 7.9 Tucson Water Malcolm Pirnie, 2009

08/25/2008 9.3 9.3 USGS Tillman, 2009

11/12/2008 8.6 8.6 Tucson Water Malcolm Pirnie, 2009

12/30/2008 9.3 9.3 Tucson Water Malcolm Pirnie, 2009

01/13/2009 7.9 7.9 Tucson Water Malcolm Pirnie, 2009

02/17/2009 8.0 8.0 Tucson Water Malcolm Pirnie, 2009

08/10/2009 7.5 7.5 USGS Tillman, 2009

R-004 A 320843110581301 USGS Supply 175 125  160 USGS 04/08/2002 6.8 6.8 Tucson Water Malcolm Pirnie, 2007

02/18/2003 9.5 9.5 Tucson Water Malcolm Pirnie, 2007

08/05/2003 7.7 7.7 Tucson Water Malcolm Pirnie, 2007

11/04/2003 8.6 8.6 Tucson Water Malcolm Pirnie, 2007

02/17/2004 7.3 7.3 Tucson Water Malcolm Pirnie, 2009

05/25/2004 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

08/11/2004 9.2 9.2 Tucson Water Malcolm Pirnie, 2009

11/10/2004 10.3 10.3 Tucson Water Malcolm Pirnie, 2009

02/10/2005 7.5 7.5 Tucson Water Malcolm Pirnie, 2009

08/09/2005 8.4 8.4 Tucson Water Malcolm Pirnie, 2009

11/03/2005 7.2 7.2 Tucson Water Malcolm Pirnie, 2009

02/08/2006 9.1 9.1 Tucson Water Malcolm Pirnie, 2009

05/11/2006 7.3 7.3 Tucson Water Malcolm Pirnie, 2009

08/09/2006 9.2 9.2 Tucson Water Malcolm Pirnie, 2009

11/13/2006 8.0 8.0 Tucson Water Malcolm Pirnie, 2009

02/13/2007 6.5 6.5 Tucson Water Malcolm Pirnie, 2009

05/14/2007 3.9 3.9 Tucson Water Malcolm Pirnie, 2009

08/14/2007 7.0 7.0 Tucson Water Malcolm Pirnie, 2009

11/19/2007 10.4 10.4 Tucson Water Malcolm Pirnie, 2009

02/19/2008 7.4 7.4 Tucson Water Malcolm Pirnie, 2009

05/14/2008 7.9 7.9 Tucson Water Malcolm Pirnie, 2009

08/25/2008 6.2 6.2 Tucson Water Malcolm Pirnie, 2009

08/25/2008 8.1 8.1 USGS Tillman, 2009

08/25/2008 8.3 8.3 USGS Tillman, 2009

11/12/2008 8.4 8.4 Tucson Water Malcolm Pirnie, 2009

12/30/2008 7.3 7.3 Tucson Water Malcolm Pirnie, 2009

01/13/2009 8.1 8.1 Tucson Water Malcolm Pirnie, 2009

02/17/2009 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

08/10/2009 7.1 7.1 USGS Tillman, 2009

R-005 A 320844110580801 USGS Supply 155 100  140 USGS 04/08/2002 5.4 5.4 Tucson Water Malcolm Pirnie, 2007

02/18/2003 7.3 7.3 Tucson Water Malcolm Pirnie, 2007

08/05/2003 6.3 6.3 Tucson Water Malcolm Pirnie, 2007

11/04/2003 6.4 6.4 Tucson Water Malcolm Pirnie, 2007

02/17/2004 6.0 6.0 Tucson Water Malcolm Pirnie, 2009

05/25/2004 6.1 6.1 Tucson Water Malcolm Pirnie, 2009

08/11/2004 7.5 7.5 Tucson Water Malcolm Pirnie, 2009

11/10/2004 8.2 8.2 Tucson Water Malcolm Pirnie, 2009

02/10/2005 6.1 6.1 Tucson Water Malcolm Pirnie, 2009

05/16/2005 5.6 5.6 Tucson Water Malcolm Pirnie, 2009

08/09/2005 7.1 7.1 Tucson Water Malcolm Pirnie, 2009

11/03/2005 7.1 7.1 Tucson Water Malcolm Pirnie, 2009

02/08/2006 6.6 6.6 Tucson Water Malcolm Pirnie, 2009

05/11/2006 6.0 6.0 Tucson Water Malcolm Pirnie, 2009

08/09/2006 8.0 8.0 Tucson Water Malcolm Pirnie, 2009

11/13/2006 7.5 7.5 Tucson Water Malcolm Pirnie, 2009

02/13/2007 5.6 5.6 Tucson Water Malcolm Pirnie, 2009

05/14/2007 4.1 4.1 Tucson Water Malcolm Pirnie, 2009

08/14/2007 6.8 6.8 Tucson Water Malcolm Pirnie, 2009

11/19/2007 8.9 8.9 Tucson Water Malcolm Pirnie, 2009

01/13/2008 6.5 6.5 Tucson Water Malcolm Pirnie, 2009

02/19/2008 6.7 6.7 USGS Tillman, 2009

02/19/2008 7.2 7.2 Tucson Water Malcolm Pirnie, 2009

05/14/2008 6.6 6.6 Tucson Water Malcolm Pirnie, 2009

08/25/2008 5.7 5.7 Tucson Water Malcolm Pirnie, 2009

08/25/2008 7.4 7.4 USGS Tillman, 2009

11/12/2008 6.5 6.5 Tucson Water Malcolm Pirnie, 2009

12/30/2008 6.3 6.3 Tucson Water Malcolm Pirnie, 2009

02/17/2009 6.2 6.2 Tucson Water Malcolm Pirnie, 2009

R-006 A 320957110585101 USGS Supply 419 180  400 USGS 06/05/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/18/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

08/05/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/04/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/17/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/25/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/10/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/10/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/16/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/09/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/03/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/07/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/11/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/09/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/13/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/13/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

04/18/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/14/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

10/31/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/19/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

12/12/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

01/22/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/19/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

03/27/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

04/15/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/14/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

06/26/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

07/23/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/25/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/25/2008 0.25 ND USGS Tillman, 2009

08/25/2008 0.25 ND USGS Tillman, 2009

09/17/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

10/21/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/12/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

12/30/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

01/13/2009 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/17/2009 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

R-007 A 320956110584901 USGS Supply 424 178  398 USGS 06/07/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/18/2003 1.0 1.0 Tucson Water Malcolm Pirnie, 2007

08/05/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/04/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/17/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/25/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/10/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/10/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/18/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/09/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/03/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/08/2006 1.3 1.3 Tucson Water Malcolm Pirnie, 2009

03/27/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

04/17/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/11/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/09/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/13/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/13/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

04/18/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/14/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

10/31/2007 1.1 1.1 Tucson Water Malcolm Pirnie, 2009

11/19/2007 1.2 1.2 Tucson Water Malcolm Pirnie, 2009

12/12/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

01/22/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/19/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

03/27/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

04/15/2008 1.2 1.2 Tucson Water Malcolm Pirnie, 2009

05/14/2008 1.1 1.1 Tucson Water Malcolm Pirnie, 2009

06/26/2008 1.3 1.3 Tucson Water Malcolm Pirnie, 2009

07/23/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/25/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/25/2008 1.5 1.5 USGS Tillman, 2009

09/17/2008 1.2 1.2 Tucson Water Malcolm Pirnie, 2009

10/21/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/12/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

12/30/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

01/13/2009 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/17/2009 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

R-008 A 320954110584201 USGS Supply 426 180  400 USGS 06/06/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/18/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

08/05/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/04/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/17/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/25/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/10/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/10/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/18/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/09/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/03/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/08/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/11/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/09/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/13/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/13/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

04/18/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/14/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

10/31/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/19/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

12/12/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

01/22/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/19/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

03/27/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

04/15/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/14/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

06/26/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

07/23/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/25/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/25/2008 0.25 ND USGS Tillman, 2009

09/17/2008 1.2 1.2 Tucson Water Malcolm Pirnie, 2009

10/21/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/12/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

12/30/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

01/13/2009 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/17/2009 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

R-009 A 320953110583501 USGS Supply 425 175  395 USGS 06/05/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/18/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

08/05/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/04/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/25/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/25/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/10/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/10/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/16/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/09/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/03/2005 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/08/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/11/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/09/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/13/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/13/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

04/18/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

12/12/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

01/22/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/19/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

03/27/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

04/15/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/14/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

06/26/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

07/23/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/25/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/25/2008 0.58 0.58 USGS Tillman, 2009

09/17/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

10/21/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/12/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

12/30/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

01/13/2009 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/17/2009 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

S-26 55-553145 ADWR Monitoring 126 108.1  123.1 ADEQ 03/09/2007 0.5 <1.0 TIAA Conestoga-Rovers & Associates, 2007

02/10/2009 1.4 1.4 TIAA Conestoga-Rovers & Associates, 2009

S-37 55-562570 ADWR Monitoring 112 100.9  110.4 ADEQ 03/13/2007 4.4 4.4 TIAA Conestoga-Rovers & Associates, 2007

02/10/2009 8.2 8.2 TIAA Conestoga-Rovers & Associates, 2009

02/10/2009 8.2 8.2 TIAA Conestoga-Rovers & Associates, 2009

02/10/2009 6 6 TIAA Conestoga-Rovers & Associates, 2009

S-39 55-569350 ADWR Monitoring 131 126  129 ADEQ 03/08/2007 5.0 5.0 TIAA Conestoga-Rovers & Associates, 2007

02/10/2009 5.5 5.5 TIAA Conestoga-Rovers & Associates, 2009

SS-021 A 320921110592001 USGS Supply 320 120  300 USGS 09/03/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/19/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/05/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

08/10/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/09/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/07/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

04/17/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/08/2006 0.5 ND USGS Tillman, 2009

08/14/2007 0.5 ND USGS Tillman, 2009

08/14/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/19/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/20/2008 0.25 ND USGS Tillman, 2009

02/20/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/15/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/26/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/26/2008 0.25 ND USGS Tillman, 2009

11/12/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/17/2009 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

SS-023 B 320927110591001 USGS Supply 420 260  400 USGS 06/06/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/19/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/05/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/09/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/07/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

04/17/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/08/2006 0.5 ND USGS Tillman, 2009

08/14/2007 0.5 ND USGS Tillman, 2009

08/14/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/19/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/20/2008 0.25 ND USGS Tillman, 2009

02/20/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

05/15/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/26/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/26/2008 0.25 ND USGS Tillman, 2009

WR-055 B 320803110572401 USGS Monitoring 233 213  233 USGS 02/05/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/05/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

08/15/2006 0.5 ND USGS Tillman, 2009

02/15/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/14/2007 0.5 ND USGS Tillman, 2009

02/22/2008 0.25 ND USGS Tillman, 2009

08/10/2009 0.25 ND USGS Tillman, 2009

WR-056 B 320746110581101 USGS Monitoring 178 158  178 USGS 02/04/2003 6.5 6.5 Tucson Water Malcolm Pirnie, 2007

08/22/2006 11 11 USGS Tillman, 2009

08/09/2007 11 11 USGS Tillman, 2009

02/22/2008 8.3 8.3 USGS Tillman, 2009

08/05/2009 7.6 7.6 USGS Tillman, 2009

WR-056 C 320746110581201 USGS Monitoring 130 110  130 USGS 02/04/2003 12.0 12.0 Tucson Water Malcolm Pirnie, 2007

08/09/2007 9.4 9.4 USGS Tillman, 2009

08/26/2008 8.6 8.6 USGS Tillman, 2009

08/26/2008 8.6 8.6 USGS Tillman, 2009

08/05/2009 7.6 7.6 USGS Tillman, 2009

WR-057 A 320801110580201 USGS Monitoring 160 130  160 USGS 02/06/2003 12.0 12.0 Tucson Water Malcolm Pirnie, 2007

08/15/2006 11 11 USGS Tillman, 2009

08/07/2007 8.5 8.5 USGS Tillman, 2009

01/31/2008 9.6 9.6 USGS Tillman, 2009

08/03/2009 8.3 8.3 USGS Tillman, 2009

WR-058 A 320835110580501 USGS Monitoring 400 360  400 USGS 02/12/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

08/14/2006 0.5 ND USGS Tillman, 2009

08/14/2007 0.5 ND USGS Tillman, 2009

01/31/2008 0.25 ND USGS Tillman, 2009

08/10/2009 0.25 ND USGS Tillman, 2009

08/10/2009 0.25 ND USGS Tillman, 2009

WR-058 B 320834110580401 USGS Monitoring 144.5 124.5  144.5 USGS 06/05/2002 6.4 6.4 Tucson Water Malcolm Pirnie, 2007

02/04/2003 7.8 7.8 Tucson Water Malcolm Pirnie, 2007

08/05/2003 5.7 5.7 Tucson Water Malcolm Pirnie, 2007

02/11/2004 5.6 5.6 Tucson Water Malcolm Pirnie, 2009

02/11/2004 6.1 6.1 Tucson Water Malcolm Pirnie, 2009

08/12/2004 7.2 7.2 Tucson Water Malcolm Pirnie, 2009

02/15/2005 6.4 6.4 Tucson Water Malcolm Pirnie, 2009

08/17/2005 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

02/09/2006 7.4 7.4 Tucson Water Malcolm Pirnie, 2009

08/14/2006 7.4 7.4 Tucson Water Malcolm Pirnie, 2009

08/14/2006 7.6 7.6 USGS Tillman, 2009

08/28/2007 6.5 6.5 USGS Tillman, 2009

08/28/2007 6.5 6.5 Tucson Water Malcolm Pirnie, 2009

01/31/2008 8.2 8.2 USGS Tillman, 2009

01/31/2008 7.5 7.5 Tucson Water Malcolm Pirnie, 2009

02/21/2008 6.7 6.7 Tucson Water Malcolm Pirnie, 2009

03/17/2008 2.2 2.2 Tucson Water Malcolm Pirnie, 2009

03/18/2008 5.3 5.3 Tucson Water Malcolm Pirnie, 2009

08/07/2008 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

08/05/2009 6.7 6.7 USGS Tillman, 2009

WR-059 A 320846110583801 USGS Monitoring 401 361  401 USGS 08/14/2006 0.5 ND USGS Tillman, 2009

08/14/2007 0.5 ND USGS Tillman, 2009

08/26/2008 0.25 ND USGS Tillman, 2009

08/10/2009 0.25 ND USGS Tillman, 2009

WR-059 B 320845110583801 USGS Monitoring 141 121  141 USGS 06/06/2002 6.9 6.9 Tucson Water Malcolm Pirnie, 2007

02/10/2003 8.2 8.2 Tucson Water Malcolm Pirnie, 2007

08/14/2006 8.5 8.5 USGS Tillman, 2009

08/07/2007 7.6 7.6 USGS Tillman, 2009

08/07/2007 7 7 Tucson Water Malcolm Pirnie, 2009

02/27/2008 7.8 7.8 USGS Tillman, 2009

08/05/2009 7.0 7.0 USGS Tillman, 2009

WR-076 S 320944110583901 USGS Monitoring 400 300  400 USGS 02/04/2003 2.0 2.0 Tucson Water Malcolm Pirnie, 2007

02/04/2003 2.2 2.2 Tucson Water Malcolm Pirnie, 2007

02/09/2004 1.2 1.2 Tucson Water Malcolm Pirnie, 2009

08/08/2007 1.1 1.1 USGS Tillman, 2009

02/27/2008 1.2 1.2 USGS Tillman, 2009

08/08/2007 1.2 1.2 Tucson Water Malcolm Pirnie, 2009

10/16/2007 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

02/27/2008 1.0 1.0 Tucson Water Malcolm Pirnie, 2009

05/28/2008 1.0 1.0 Tucson Water Malcolm Pirnie, 2009

05/28/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/04/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/04/2008 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/04/2008 0.84 0.84 USGS Tillman, 2009

10/27/2008 1.2 1.2 Tucson Water Malcolm Pirnie, 2009

10/27/2008 1.8 1.8 Tucson Water Malcolm Pirnie, 2009

02/09/2009 1.1 1.1 Tucson Water Malcolm Pirnie, 2009

08/03/2009 1.3 1.3 USGS Tillman, 2009

WR-077 S 320737110581001 USGS Monitoring 130 100  130 USGS 02/10/2003 12 12 Tucson Water Malcolm Pirnie, 2007

02/10/2003 12 12 Tucson Water Malcolm Pirnie, 2007

08/23/2006 9.3 9.3 USGS Tillman, 2009

08/09/2007 8.9 8.9 USGS Tillman, 2009

02/22/2008 8.6 8.6 USGS Tillman, 2009

08/06/2009 7.3 7.3 USGS Tillman, 2009

WR-078 S 320803110581701 USGS Monitoring 160 110  160 USGS 02/06/2003 11.0 11.0 Tucson Water Malcolm Pirnie, 2007

02/06/2003 13.0 13.0 Tucson Water Malcolm Pirnie, 2007

08/15/2006 9.6 9.6 USGS Tillman, 2009

08/09/2007 8.6 8.6 USGS Tillman, 2009

08/26/2008 9.8 9.8 USGS Tillman, 2009

08/26/2008 10 10 USGS Tillman, 2009

08/06/2009 9.0 9.0 USGS Tillman, 2009

WR-079 S 320723110581701 USGS Monitoring 145 95  145 USGS 06/05/2002 10.0 10.0 Tucson Water Malcolm Pirnie, 2007

02/05/2003 12.0 12.0 Tucson Water Malcolm Pirnie, 2007

08/07/2003 8.4 8.4 Tucson Water Malcolm Pirnie, 2007

11/03/2003 11.5 11.5 Tucson Water Malcolm Pirnie, 2007

11/03/2003 11.0 11.0 Tucson Water Malcolm Pirnie, 2007

02/10/2004 8.0 8.0 Tucson Water Malcolm Pirnie, 2009

05/04/2004 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

08/27/2004 8.5 8.5 Tucson Water Malcolm Pirnie, 2009

11/10/2004 9.5 9.5 Tucson Water Malcolm Pirnie, 2009

08/15/2005 7.1 7.1 Tucson Water Malcolm Pirnie, 2009

11/01/2005 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

02/15/2006 8.0 8.0 Tucson Water Malcolm Pirnie, 2009

02/15/2006 8.0 8.0 Tucson Water Malcolm Pirnie, 2009

05/01/2006 6.2 6.2 Tucson Water Malcolm Pirnie, 2009

08/17/2006 6.9 6.9 USGS Tillman, 2009

11/08/2006 6.5 6.5 Tucson Water Malcolm Pirnie, 2009

02/15/2007 6.0 6.0 Tucson Water Malcolm Pirnie, 2009

02/15/2007 6.7 6.7 Tucson Water Malcolm Pirnie, 2009

05/30/2007 5.4 5.4 Tucson Water Malcolm Pirnie, 2009

08/06/2007 6.2 6.2 USGS Tillman, 2009

08/06/2007 5.2 5.2 Tucson Water Malcolm Pirnie, 2009

02/22/2008 4.8 4.8 USGS Tillman, 2009

02/22/2008 4.3 4.3 Tucson Water Malcolm Pirnie, 2009

08/06/2008 4.5 4.5 Tucson Water Malcolm Pirnie, 2009

08/10/2009 3.3 3.3 USGS Tillman, 2009

WR-080 S 320821110580701 USGS Monitoring 150 100  150 USGS 02/06/2003 7.2 7.2 Tucson Water Malcolm Pirnie, 2007

05/05/2004 7.3 7.3 Tucson Water Malcolm Pirnie, 2009

05/05/2004 6.1 6.1 Tucson Water Malcolm Pirnie, 2009

08/11/2004 6.8 6.8 Tucson Water Malcolm Pirnie, 2009

02/15/2005 5.6 5.6 Tucson Water Malcolm Pirnie, 2009

02/15/2005 5.3 5.3 Tucson Water Malcolm Pirnie, 2009

08/17/2005 6.8 6.8 Tucson Water Malcolm Pirnie, 2009

02/06/2006 7.8 7.8 Tucson Water Malcolm Pirnie, 2009

08/14/2006 7.1 7.1 Tucson Water Malcolm Pirnie, 2009

08/14/2006 7.4 7.4 USGS Tillman, 2009

03/01/2007 6.8 6.8 Tucson Water Malcolm Pirnie, 2009

03/01/2007 6.4 6.4 Tucson Water Malcolm Pirnie, 2009

08/07/2007 6.2 6.2 USGS Tillman, 2009

08/07/2007 5.5 5.5 Tucson Water Malcolm Pirnie, 2009

01/31/2008 1.9 1.9 Tucson Water Malcolm Pirnie, 2009

01/31/2008 6.8 6.8 USGS Tillman, 2009

08/06/2008 6.0 6.0 Tucson Water Malcolm Pirnie, 2009

08/06/2008 5.5 5.5 USGS Tillman, 2009

08/03/2009 6.2 6.2 USGS Tillman, 2009

WR-081 S 320819110583601 USGS Monitoring 175 95  175 USGS 06/06/2002 2.9 2.9 Tucson Water Malcolm Pirnie, 2007

02/05/2003 3.4 3.4 Tucson Water Malcolm Pirnie, 2007

08/07/2003 2.6 2.6 Tucson Water Malcolm Pirnie, 2007

02/10/2004 3.1 3.1 Tucson Water Malcolm Pirnie, 2009

09/01/2004 4.1 4.1 Tucson Water Malcolm Pirnie, 2009

02/15/2005 3.8 3.8 Tucson Water Malcolm Pirnie, 2009

02/15/2006 5.5 5.5 Tucson Water Malcolm Pirnie, 2009

08/14/2006 4.8 4.8 Tucson Water Malcolm Pirnie, 2009

08/14/2006 5 5 USGS Tillman, 2009

02/15/2007 5.8 5.8 Tucson Water Malcolm Pirnie, 2009

08/07/2007 5.3 5.3 USGS Tillman, 2009

08/07/2007 5.1 5.1 Tucson Water Malcolm Pirnie, 2009

02/25/2008 5.8 5.8 USGS Tillman, 2009

02/25/2008 5.5 5.5 Tucson Water Malcolm Pirnie, 2009

05/29/2008 5.5 5.5 Tucson Water Malcolm Pirnie, 2009

05/29/2008 5.4 5.4 Tucson Water Malcolm Pirnie, 2009

08/07/2008 4.9 4.9 Tucson Water Malcolm Pirnie, 2009

10/18/2008 5.2 5.2 Tucson Water Malcolm Pirnie, 2009

08/10/2009 4.1 4.1 USGS Tillman, 2009

WR-082 S 320833110582701 USGS Monitoring 158 108  158 USGS 06/06/2002 9.4 9.4 Tucson Water Malcolm Pirnie, 2007

02/10/2003 11.0 11.0 Tucson Water Malcolm Pirnie, 2007

08/06/2003 7.0 7.0 Tucson Water Malcolm Pirnie, 2007

02/11/2004 7.0 7.0 Tucson Water Malcolm Pirnie, 2009

08/11/2004 9.3 9.3 Tucson Water Malcolm Pirnie, 2009

08/11/2004 8.4 8.4 Tucson Water Malcolm Pirnie, 2009

02/16/2005 7.4 7.4 Tucson Water Malcolm Pirnie, 2009

02/06/2006 9.1 9.1 Tucson Water Malcolm Pirnie, 2009

08/15/2006 9.1 9.1 Tucson Water Malcolm Pirnie, 2009

08/15/2006 9 9 USGS Tillman, 2009

08/28/2007 7.2 7.2 USGS Tillman, 2009

08/28/2007 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

02/27/2008 8.8 8.8 USGS Tillman, 2009

02/27/2008 8.6 8.6 Tucson Water Malcolm Pirnie, 2009

08/05/2008 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

08/03/2009 7.2 7.2 USGS Tillman, 2009

WR-084 S 320858110580201 USGS Monitoring 160 130  160 USGS 02/05/2003 1 1 Tucson Water Malcolm Pirnie, 2007

08/17/2006 0.5 ND USGS Tillman, 2009

08/13/2007 0.5 ND USGS Tillman, 2009

02/28/2008 0.25 ND USGS Tillman, 2009

08/06/2008 0.25 ND USGS Tillman, 2009

08/04/2009 0.25 ND USGS Tillman, 2009

WR-085 S 320909110582101 USGS Monitoring 190 110  190 USGS 06/05/2002 5.6 5.6 Tucson Water Malcolm Pirnie, 2007

02/11/2003 7.7 7.7 Tucson Water Malcolm Pirnie, 2007

08/05/2003 5.0 5.0 Tucson Water Malcolm Pirnie, 2007

11/03/2003 6.7 6.7 Tucson Water Malcolm Pirnie, 2007

11/03/2003 7.0 7.0 Tucson Water Malcolm Pirnie, 2007

02/17/2004 4.9 4.9 Tucson Water Malcolm Pirnie, 2009

05/05/2004 5.7 5.7 Tucson Water Malcolm Pirnie, 2009

08/11/2004 4.5 4.5 Tucson Water Malcolm Pirnie, 2009

11/09/2004 6.0 6.0 Tucson Water Malcolm Pirnie, 2009

05/11/2005 4.7 4.7 Tucson Water Malcolm Pirnie, 2009

08/17/2005 6.5 6.5 Tucson Water Malcolm Pirnie, 2009

11/01/2005 6.1 6.1 Tucson Water Malcolm Pirnie, 2009

02/09/2006 7.7 7.7 Tucson Water Malcolm Pirnie, 2009

02/09/2006 7.9 7.9 Tucson Water Malcolm Pirnie, 2009

05/01/2006 6.6 6.6 Tucson Water Malcolm Pirnie, 2009

08/22/2006 8.3 8.3 Tucson Water Malcolm Pirnie, 2009

08/22/2006 7.6 7.6 USGS Tillman, 2009

11/08/2006 7.6 7.6 Tucson Water Malcolm Pirnie, 2009

11/08/2006 8.1 8.1 Tucson Water Malcolm Pirnie, 2009

03/05/2007 4.8 4.8 Tucson Water Malcolm Pirnie, 2009

05/31/2007 5.1 5.1 Tucson Water Malcolm Pirnie, 2009

08/06/2007 7.2 7.2 USGS Tillman, 2009

08/06/2007 9.8 9.8 Tucson Water Malcolm Pirnie, 2009

01/30/2008 8.1 8.1 USGS Tillman, 2009

08/05/2008 6.6 6.6 Tucson Water Malcolm Pirnie, 2009

08/03/2009 7.0 7.0 USGS Tillman, 2009

WR-086 S 320728110580101 USGS Monitoring 140 100  140 USGS 06/05/2002 11.0 11.0 Tucson Water Malcolm Pirnie, 2007

02/10/2003 15.0 15.0 Tucson Water Malcolm Pirnie, 2007

08/06/2003 11.0 11.0 Tucson Water Malcolm Pirnie, 2007

02/17/2004 8.6 8.6 Tucson Water Malcolm Pirnie, 2009

02/17/2004 9.1 9.1 Tucson Water Malcolm Pirnie, 2009

08/12/2004 9.4 9.4 Tucson Water Malcolm Pirnie, 2009

08/12/2004 10.3 10.3 Tucson Water Malcolm Pirnie, 2009

02/14/2005 8.3 8.3 Tucson Water Malcolm Pirnie, 2009

02/14/2005 8.6 8.6 Tucson Water Malcolm Pirnie, 2009

08/15/2005 7.9 7.9 Tucson Water Malcolm Pirnie, 2009

02/06/2006 9.9 9.9 Tucson Water Malcolm Pirnie, 2009

02/06/2006 10.2 10.2 Tucson Water Malcolm Pirnie, 2009

08/23/2006 10.0 10.0 Tucson Water Malcolm Pirnie, 2009

08/23/2006 8.6 8.6 USGS Tillman, 2009

02/14/2007 8.4 8.4 Tucson Water Malcolm Pirnie, 2009

08/08/2007 9.3 9.3 USGS Tillman, 2009

08/08/2007 8.0 8.0 Tucson Water Malcolm Pirnie, 2009

02/21/2008 7.8 7.8 USGS Tillman, 2009

02/21/2008 6.7 6.7 Tucson Water Malcolm Pirnie, 2009

03/18/2008 5.3 5.3 Tucson Water Malcolm Pirnie, 2009

08/06/2008 8.0 8.0 Tucson Water Malcolm Pirnie, 2009

08/06/2009 7.7 7.7 USGS Tillman, 2009

WR-087 S 320927110590001 USGS Monitoring 240 140  240 USGS 02/11/2003 1.6 1.6 Tucson Water Malcolm Pirnie, 2007

03/31/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

03/31/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/22/2006 1.4 1.4 USGS Tillman, 2009

08/08/2007 2.6 2.6 USGS Tillman, 2009

08/08/2007 1.4 1.4 Tucson Water Malcolm Pirnie, 2009

02/27/2008 1.9 1.9 USGS Tillman, 2009

02/27/2008 1.8 1.8 Tucson Water Malcolm Pirnie, 2009

05/28/2008 1.6 1.6 Tucson Water Malcolm Pirnie, 2009

08/04/2008 1.6 1.6 Tucson Water Malcolm Pirnie, 2009

08/04/2008 1.5 1.5 USGS Tillman, 2009

10/16/2008 1.6 1.6 Tucson Water Malcolm Pirnie, 2009

02/10/2009 1.5 1.5 Tucson Water Malcolm Pirnie, 2009

WR-089 S 320933110583201 USGS Monitoring 405 300  400 USGS 02/04/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

08/23/2006 1 1 USGS Tillman, 2009

08/06/2007 2.1 2.1 USGS Tillman, 2009

01/30/2008 2.1 2.1 USGS Tillman, 2009

01/30/2008 2.5 2.5 Tucson Water Malcolm Pirnie, 2009

08/06/2009 2.6 2.6 USGS Tillman, 2009

WR-090 S 320933110583001 ADWR Monitoring 215 115  215 ADWR 02/04/2003 3.8 3.8 Tucson Water Malcolm Pirnie, 2007

03/31/2004 3.2 3.2 Tucson Water Malcolm Pirnie, 2009

03/31/2004 3.4 3.4 Tucson Water Malcolm Pirnie, 2009

08/06/2007 5.7 5.7 Tucson Water Malcolm Pirnie, 2009

01/30/2008 5.4 5.4 Tucson Water Malcolm Pirnie, 2009

08/05/2008 5.4 5.4 Tucson Water Malcolm Pirnie, 2009

08/05/2008 4.6 4.6 Tucson Water Malcolm Pirnie, 2009

WR-091 S 320907110582801 USGS Monitoring 175 125  175 USGS 02/11/2003 5.4 5.4 Tucson Water Malcolm Pirnie, 2007

08/17/2006 4.8 4.8 USGS Tillman, 2009

08/13/2007 4.6 4.6 USGS Tillman, 2009

02/28/2008 5.1 5.1 USGS Tillman, 2009

08/04/2009 4.1 4.1 USGS Tillman, 2009

WR-163 A 320902110583801 USGS Monitoring 350 300  350 USGS 06/06/2002 4.3 4.3 Tucson Water Malcolm Pirnie, 2007

02/10/2003 4.7 4.7 Tucson Water Malcolm Pirnie, 2007

08/05/2003 4.4 4.4 Tucson Water Malcolm Pirnie, 2007

02/09/2004 4.3 4.3 Tucson Water Malcolm Pirnie, 2009

08/10/2004 4.3 4.3 Tucson Water Malcolm Pirnie, 2009

02/16/2005 3.9 3.9 Tucson Water Malcolm Pirnie, 2009

08/17/2005 3.6 3.6 Tucson Water Malcolm Pirnie, 2009

02/09/2006 3.2 3.2 Tucson Water Malcolm Pirnie, 2009

08/23/2006 3.2 3.2 Tucson Water Malcolm Pirnie, 2009

08/23/2006 3 3 USGS Tillman, 2009

03/05/2007 1.7 1.7 Tucson Water Malcolm Pirnie, 2009

03/05/2007 2.0 2.0 Tucson Water Malcolm Pirnie, 2009

08/06/2007 2.7 2.7 USGS Tillman, 2009

08/06/2007 8.8 8.8 Tucson Water Malcolm Pirnie, 2009

01/30/2008 2.5 2.5 USGS Tillman, 2009

01/30/2008 2.6 2.6 Tucson Water Malcolm Pirnie, 2009

08/05/2008 2.0 2.0 Tucson Water Malcolm Pirnie, 2009

08/05/2008 2.0 2.0 USGS Tillman, 2009

08/03/2009 2.0 2.0 USGS Tillman, 2009

WR-165 A 320934110584701 USGS Monitoring 350 300  350 USGS 02/11/2003 6.0 6.0 Tucson Water Malcolm Pirnie, 2007

08/06/2003 5.6 5.6 Tucson Water Malcolm Pirnie, 2007

08/06/2003 4.8 4.8 Tucson Water Malcolm Pirnie, 2007

11/03/2003 4.9 4.9 Tucson Water Malcolm Pirnie, 2007

02/09/2004 4.1 4.1 Tucson Water Malcolm Pirnie, 2009

05/05/2004 5.6 5.6 Tucson Water Malcolm Pirnie, 2009

08/10/2004 5.3 5.3 Tucson Water Malcolm Pirnie, 2009

08/10/2004 5.3 5.3 Tucson Water Malcolm Pirnie, 2009

11/09/2004 5.5 5.5 Tucson Water Malcolm Pirnie, 2009

05/11/2005 4.3 4.3 Tucson Water Malcolm Pirnie, 2009

08/24/2005 4.7 4.7 Tucson Water Malcolm Pirnie, 2009

11/01/2005 5.1 5.1 Tucson Water Malcolm Pirnie, 2009

02/09/2006 5.0 5.0 Tucson Water Malcolm Pirnie, 2009

05/01/2006 4.3 4.3 Tucson Water Malcolm Pirnie, 2009

08/23/2006 5.6 5.6 Tucson Water Malcolm Pirnie, 2009

08/23/2006 4.9 4.9 USGS Tillman, 2009

11/08/2006 5.2 5.2 Tucson Water Malcolm Pirnie, 2009

03/06/2007 4.5 4.5 Tucson Water Malcolm Pirnie, 2009

03/06/2007 4.4 4.4 Tucson Water Malcolm Pirnie, 2009

05/31/2007 4.4 4.4 Tucson Water Malcolm Pirnie, 2009

08/08/2007 6.1 6.1 USGS Tillman, 2009

08/08/2007 4.4 4.4 Tucson Water Malcolm Pirnie, 2009

02/27/2008 5.9 5.9 USGS Tillman, 2009

02/27/2008 5.2 5.2 Tucson Water Malcolm Pirnie, 2009

05/28/2008 5.6 5.6 Tucson Water Malcolm Pirnie, 2009

08/04/2008 5.1 5.1 Tucson Water Malcolm Pirnie, 2009

10/16/2008 5.3 5.3 Tucson Water Malcolm Pirnie, 2009

10/27/2008 5.6 5.6 Tucson Water Malcolm Pirnie, 2009

02/09/2009 5.4 5.4 Tucson Water Malcolm Pirnie, 2009

08/03/2009 5.6 5.6 USGS Tillman, 2009

WR-236 A 320946110591701 USGS Monitoring 250 150  250 USGS 08/05/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/03/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/03/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/03/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

08/28/2007 0.5 ND USGS Tillman, 2009

02/25/2008 1.5 1.5 USGS Tillman, 2009

05/28/2009 0.5 ND USGS Tillman, 2009

05/28/2009 0.5 ND USGS Tillman, 2009

08/10/2009 0.5 ND USGS Tillman, 2009

WR-237 A 320956110590101 USGS Monitoring 400 150  400 USGS 08/05/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/03/2003 1.0 1.0 Tucson Water Malcolm Pirnie, 2007

11/04/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

04/16/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/07/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/13/2007 0.5 ND USGS Tillman, 2009

02/25/2008 0.25 ND USGS Tillman, 2009

08/07/2008 0.25 ND USGS Tillman, 2009

08/04/2009 0.25 ND USGS Tillman, 2009

WR-238 A 321000110585601 USGS Monitoring 380 150  280 USGS 08/05/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/03/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/04/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/04/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/07/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/07/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/13/2007 0.5 ND USGS Tillman, 2009

02/25/2008 0.25 ND USGS Tillman, 2009

08/07/2008 0.25 ND USGS Tillman, 2009

08/04/2009 0.25 ND USGS Tillman, 2009

WR-239 A 320958110583301 USGS Monitoring 400 150  400 USGS 08/05/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

08/05/2002 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

02/03/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

11/03/2003 0.5 <1.0 Tucson Water Malcolm Pirnie, 2007

03/31/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

03/31/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

03/31/2004 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

11/07/2006 0.5 <1.0 Tucson Water Malcolm Pirnie, 2009

08/13/2007 0.5 ND USGS Tillman, 2009

02/25/2008 0.25 ND USGS Tillman, 2009

08/07/2008 0.25 ND USGS Tillman, 2009

08/04/2009 0.25 ND USGS Tillman, 2009

WR-240 A 320940110582501 USGS Monitoring 400 150  400 USGS 02/11/2003 1.7 1.7 Tucson Water Malcolm Pirnie, 2007

08/23/2006 1.7 1.7 USGS Tillman, 2009

08/06/2007 2.8 2.8 USGS Tillman, 2009

08/06/2007 3.2 3.2 Tucson Water Malcolm Pirnie, 2009

03/17/2008 2.6 2.6 Tucson Water Malcolm Pirnie, 2009

03/17/2008 2.2 2.2 Tucson Water Malcolm Pirnie, 2009

05/28/2008 3.1 3.1 Tucson Water Malcolm Pirnie, 2009

08/04/2008 2.4 2.4 Tucson Water Malcolm Pirnie, 2009

08/04/2008 2.8 2.8 USGS Tillman, 2009

10/16/2008 3.3 3.3 Tucson Water Malcolm Pirnie, 2009

02/09/2009 2.8 2.8 Tucson Water Malcolm Pirnie, 2009

02/09/2009 3.2 3.2 Tucson Water Malcolm Pirnie, 2009

08/06/2009 3.0 3.0 USGS Tillman, 2009

WR-241 A 320914110585201 USGS Monitoring 402 152  402 USGS 02/11/2003 3.8 3.8 Tucson Water Malcolm Pirnie, 2007

02/11/2003 3.3 3.3 Tucson Water Malcolm Pirnie, 2007

08/05/2003 2.8 2.8 Tucson Water Malcolm Pirnie, 2007

02/09/2004 2.4 2.4 Tucson Water Malcolm Pirnie, 2009

03/31/2004 2.8 2.8 Tucson Water Malcolm Pirnie, 2009

03/31/2004 2.8 2.8 Tucson Water Malcolm Pirnie, 2009

08/10/2004 3.2 3.2 Tucson Water Malcolm Pirnie, 2009

02/16/2005 2.7 2.7 Tucson Water Malcolm Pirnie, 2009

08/22/2005 2.9 2.9 Tucson Water Malcolm Pirnie, 2009

02/09/2006 2.9 2.9 Tucson Water Malcolm Pirnie, 2009

08/22/2006 3.1 3.1 Tucson Water Malcolm Pirnie, 2009

08/22/2006 2.9 2.9 USGS Tillman, 2009

03/06/2007 2.1 2.1 Tucson Water Malcolm Pirnie, 2009

08/08/2007 3.4 3.4 USGS Tillman, 2009

08/08/2007 3.0 3.0 Tucson Water Malcolm Pirnie, 2009

02/21/2008 2.3 2.3 USGS Tillman, 2009

02/21/2008 2.1 2.1 Tucson Water Malcolm Pirnie, 2009

03/18/2008 2.2 2.2 Tucson Water Malcolm Pirnie, 2009

05/28/2008 2.4 2.4 Tucson Water Malcolm Pirnie, 2009

08/04/2008 1.9 1.9 Tucson Water Malcolm Pirnie, 2009

08/04/2008 1.9 1.9 USGS Tillman, 2009

10/16/2008 2.4 2.4 Tucson Water Malcolm Pirnie, 2009

02/10/2009 1.7 1.7 Tucson Water Malcolm Pirnie, 2009

02/10/2009 1.8 1.8 Tucson Water Malcolm Pirnie, 2009

08/06/2009 1.7 1.7 USGS Tillman, 2009

WR-700 A 320851114582301 USGS Monitoring 177 100  170 USGS 08/05/2008 7.0 7.0 Tucson Water Malcolm Pirnie, 2009

02/19/2009 5.2 5.2 Tucson Water Malcolm Pirnie, 2009

08/04/2009 6.0 6.0 USGS Tillman, 2009

Appendix A. Analytical results for 1,4-dioxane from wells sampled during 2002–2009 in the vicinity of the Tucson International Airport Area Superfund Site, Arizona.