Spreadsheet: 01188d8d-c5a1-434e-a98a-a45f9d59dd4f
Sheet: Sheet1

Chowan River Basin | Unnamed: 1 | Unnamed: 2 | Unnamed: 3 | Unnamed: 4 | Unnamed: 5 | Unnamed: 6 | Unnamed: 7 | Unnamed: 8 | Unnamed: 9 | Unnamed: 10 | Unnamed: 11 | Unnamed: 12 | Unnamed: 13 | Unnamed: 14 | Unnamed: 15 | Unnamed: 16 | Unnamed: 17 | Unnamed: 18 | Back Bay/North Landing River Basin
Non-Tidal Fresh Waters |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Water Quality | Tidal Estuarine Waters
Beginning in 2005, values below the MDL are uncensored estimates! |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Standards | Beginning in 2005, values below the MDL are uncensored estimates!
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Al
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Sb
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (Human Health)
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 5.6 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | All other surface
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | waters:
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 640 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | As
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aquatic Life
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | acute: 340 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | chronic: 150 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Human Health
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 10.0 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Saltwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Acute = 69ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Chronic = 36 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Ba
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Human Health
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 2,000.0 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Be
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Cd
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aquatic Life
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Acute = 3.9 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Chronic = 1.1 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Human Health
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 5.0 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Saltwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Acute = 40 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Chronic = 8.8 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | [NAME]
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater only
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aquatic Life
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | acute: 570 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | chronic: 74 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Human Health
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 100 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (total [NAME])
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Cr VI
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater only
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | aquatic life
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | acute: 16 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | chronic: 11 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Cu
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aquatic Life
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | acute: 13 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | chronic: 9.0 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 1300 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Saltwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Acute = 9.3 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Chronic = 6 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Fe
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Human Health
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 300 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (taste)
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Pb
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Saltwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aquatic Life
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | acute: 120 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | chronic: 14 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Human Health
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 15 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Acute = 240 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Chronic = 9.4 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | [NAME]
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Mn
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Human Health
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 50 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (taste)
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Hg
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aquatic Life
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | acute: 1.4 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | chronic: 0.77 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Human Health
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 0.050 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | All other
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | surface waters
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.051 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Saltwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Acute = 1.8 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Chronic = 0.94 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Ni
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aquatic Life
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | acute: 180 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | chronic: 20 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 610 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | All other
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | surface waters
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,600.0 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Saltwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Acute = 74 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Chronic = 8.2 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Se
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aquatic Life
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | acute: 20 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | chronic: 5.0 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Human Health
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 170 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | All other
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | surface waters
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,000.0 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Saltwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Acute = 290 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Chronic = 71 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Ag
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aquatic Life
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | acute: 3.4 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | chronic: N/A
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Saltwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Acute = 1.9 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Na
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Tl
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater only
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Human Health
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 1.7 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | All other
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | surface waters
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.3 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | V
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Zn
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Freshwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aquatic Life
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | acute: 120 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | chronic: 120 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PWS: 9100 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | All other
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | surface waters
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 69,000 μg/l
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Saltwater
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Acute = 90 ug/L
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Chronic = 81 ug/L