## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI
Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Summary by State Region: 09
Version Number: 0;-1;1;2;3;4;5 

## Region 09 Number of SSOsTotal Volume SSOs Median Volume Median Hours HI 17 1,338,600 2,100 1

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## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI
Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Summary Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 

### State HI NPDES ID Facility Name Number of SSOs Total Volume of SSOs Median Volume Median Hours HI0110086 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 17 1,338,600 2,100 1 

### Sum: 17 1,338,600

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## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 10/24/2010 Event ID: 1 

### Event Information Cause of SSO Event: Equipment failure

Duration of Event (Hours): 24.0 SSO Volume (Gallons): 800,000.00 Name of Receiving Water: Ocean System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken:Impaired sand filter operations due to clogged underdrains (ongoing problem). Sand Filter #2's backwash pump failed, so Sand Filter #3 was brought on-line. Approximately 800,000 gallons per day were bypassing the sand filter process. The backwash pump was replaced 10/25/10.; Posting Location: N/A; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified;

Monitoring End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Sand Filter #3 Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

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## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 11/21/2010 Event ID: 1 

### Event Information Cause of SSO Event: Pipe failure

Duration of Event (Hours): 4.0 SSO Volume (Gallons): 16,700.00 Name of Receiving Water: Storm Drain, Bay System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken:4,200 gallons to storm drain, then to Pearl Harbor. 12,500 gallons were contained and removed by vactor trucks.Press release issued by Watson Okubo, CWB. 11/22/10 Telcon Julie Muraoka & Orrin Wong. 11/22/10 email Julie M. w/sign posting & monitoring location maps.A longer term repair project was initiated to replace portions of the deteriorated line in this area with new ductile iron pipe. The replacement project was completed 2/17/11.; Posting Location: Harbor; Begin: 2010-11-22; End: 2010-11-24; Monitoring Begin: 2010-11-22; Monitoring

End: 2010-11-23 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Merry Point WWPS (NS-004), Pearl Harbor Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

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## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 12/10/2010 Event ID: 1 

### Event Information Cause of SSO Event: Wet weather

Duration of Event (Hours): 2.0 SSO Volume (Gallons): 130,000.00 Name of Receiving Water: Bay System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: Partial sand filter bypass. Per Watson Okubo, CWB, no signage and sampling necessary since all of the effluent passed through the UV process.12/13/10 email from Julie Muraoka, Navy; Posting Location: N/A; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Ft. Kamehameha WWTP Outfall Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

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## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 12/19/2010 Event ID: 1 

### Event Information Cause of SSO Event: Equipment failure

Duration of Event (Hours): 0.0 SSO Volume (Gallons): 13,000.00 Name of Receiving Water: Bay System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: FINAL 7/13/2011 (LS) Due to heavy rains/high flows through the plant, there was a failure at the UV control panel, and the 2nd UV channel did not come on line automatically. The 2nd channel was manually brought on line. During this time (approximately 10 minutes), a small portion of wastewater effluent flowed above the UV bulbs, bypassing the UV disinfection. Both UV channels are currently on line in manual mode. Sign posting, monitoring or receiving water, and press release waived by CWB. 5/11/11 Spill Report: Replacement control panel installed in January 2011.; Posting Location: Unknown; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Outfall Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

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## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 12/19/2010 Event ID: 2 

### Event Information Cause of SSO Event: Wet weather

Duration of Event (Hours): 2.0 SSO Volume (Gallons): 130,000.00 Name of Receiving Water: Harbor System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: FINAL 7/13/2011 (LS). Partial bypass of the sand filter. Increased flows due to wet weather could not be accommodated by the limited sand filtration capacity due to Sand Filter #1 being out of service for repair and Sand Filter #3 being partially clogged (SF#2 was fully operational).; Posting Location: N/A; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified;

Monitoring End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Fort Kamehameha WWTP Outfall Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

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## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 01/04/2011 Event ID: 1 

### Event Information Cause of SSO Event: Power failure

Duration of Event (Hours): 1.0 SSO Volume (Gallons): 110,000.00 Name of Receiving Water: Ocean System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: FINAL 7/19/2011 (LS). Power failure at the plant. Emergency generator did not start up automatically. Press release issued 1/4/11. W. Okubo waived sign posting and sampling.1/4/11 email.; Posting Location: N/A; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Ft. Kamehameha WWTP Outfall Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

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## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 01/13/2011 Event ID: 1 

### Event Information Cause of SSO Event: Wet weather

Duration of Event (Hours): 2.0 SSO Volume (Gallons): 130,000.00 Name of Receiving Water: Ocean System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: FINAL 7/13/2011 (LS). Partial bypass of sand filters #2 & #3 due to heavy rains.. Fully treated and fully disinfected was discharged. M. Tsuji waived press release.1/13/11 Telcon Orrin Wong. Requested to issue press release.; Posting Location: N/A; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring

End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Ft. Kamehameha WWTP Outfall Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

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## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 01/19/2011 Event ID: 1 

### Event Information Cause of SSO Event: Pipe failure

Duration of Event (Hours): 2.0 SSO Volume (Gallons): 100.00 Name of Receiving Water: Harbor System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: FINAL 7/15/2011 (LS). Leak one gallon per minute approx. 200 yards offshore from missing valve cap on ARV. CWB waived press release, sign posting, and monitoring. Valve & plug assembly encased in concrete.; Posting Location: Unknown; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring

End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Undefined Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

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## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 03/02/2011 Event ID: 1 

### Event Information Cause of SSO Event: Grease

Duration of Event (Hours): 2.0 SSO Volume (Gallons): 200.00 Name of Receiving Water: Storm Drain System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: FINAL 7/11/2011 (LS). Navy is investigating the source of grease in this sewer line. Per discussion with CWB, posting of signs and monitoring of the receiving water was not required.; Posting Location: Unknown; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Ford Island, Building 78 Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

Page 9 of 17

## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 03/21/2011 Event ID: 1 

### Event Information Cause of SSO Event: Operator error

Duration of Event (Hours): 1.0 SSO Volume (Gallons): 300.00 Name of Receiving Water: Harbor System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken:FINAL 7/11/2011 (LS). Approximately 200 gallons entered into the water. Two subs were docked at Sierra One (1). One was a Japanese sub and the other an American sub. Apparently one of the subs pumped at a higher rate and caused a bolted manhole cover to be blown off. The area was secured, cleaned, disinfected, and deodorized.; Posting Location: N/A; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring

End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Sierra One (1) near Building 1588 Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

Page 10 of 17

## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 03/30/2011 Event ID: 1 

### Event Information Cause of SSO Event: Grease

Duration of Event (Hours): 1.0 SSO Volume (Gallons): 10.00 Name of Receiving Water: Storm Drain System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: FINAL 7/12/2011 (LS). Storm drain was plugged with dirt and debris which absorbed the spill. Spill did not reach a surface water body.; Posting Location: N/A; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Pearl Harbor Shipyard; Building 1678 Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

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## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 04/03/2011 Event ID: 1 

### Event Information Cause of SSO Event: Equipment failure

Duration of Event (Hours): 0.0 SSO Volume (Gallons): 70.00 Name of Receiving Water: Harbor System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: FINAL 7/12/2011 (LS). Spill from pier riser during ship-toshore transfer from submarine. Faulty valve: Frozen in the open position, although the indicator showed the valve being closed. Valve was replaced along with the check valve which was blocked by debris.; Posting Location: N/A; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Pier Sierra 8, Subase Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

Page 12 of 17

## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 04/15/2011 Event ID: 1 

### Event Information Cause of SSO Event: Operator error

Duration of Event (Hours): 1.0 SSO Volume (Gallons): 10.00 Name of Receiving Water: Harbor System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: FINAL 4/27/11. Ten (10) gallons spilled pier side of which, eight (8) gallons entered Pearl Harbor. The operator failed to put the cap on the line. Spill report to include corrective action(s) to address failure to immediately report to the CWB or the State Hospital. Shipyard personnel were following HEER reporting requirements and did not realize that there were separate reporting requirements for sewage spills. Discharge to the Harbor was not confirmed, so the spill report used the worst case scenario.; Posting Location: Unknown; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring

End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Pearl Harbor Shipyard Drydocks Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

Page 13 of 17

## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 04/27/2011 Event ID: 1 

### Event Information Cause of SSO Event: Grease

Duration of Event (Hours): 3.0 SSO Volume (Gallons): 2,100.00 Name of Receiving Water: Canal System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: FINAL 7/12/2011 (LS). Grease blocked a 21-inch gravity sewer line, causing sewage to backup into an abandoned 6-inch sewer lateral which leaked underground into the storm drain which discharges into Manuwai canal (Honolulu Airport.) CWB waived press release and monitoring. Spill happened last night, but Air Force reported it to Navy today. Due to the consolidation of the Air Base and Navy facilities, there was a breakdown of communication between the two facility areas which is being resolved now.; Posting Location: Canal; Begin: 2011-04-28; End: 2011-05-02; Monitoring Begin: Not Specified; Monitoring End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Halehaka Street Bridge/Manuwai Canal (Hickam) Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

Page 14 of 17

## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 07/29/2011 Event ID: 1 

### Event Information Cause of SSO Event: Operator error

Duration of Event (Hours): 1.0 SSO Volume (Gallons): 100.00 Name of Receiving Water: Harbor System Component: Other System Component:

SSO Reached Receiving Water Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: FINAL 8/23/2011 (LS). Riser missing cap. Initial report stated "contained on land." Environmental staff investigated Monday morning: Presume spill entered the harbor based on the proximity to water. Waived sign posting & monitoring due to volume and delayed notification.; Posting Location: Unknown; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Pier S-10 Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

Page 15 of 17

## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 10/20/2011 Event ID: 1 

### Event Information Cause of SSO Event: Operator error

Duration of Event (Hours): 0.0 SSO Volume (Gallons): 10.00 Name of Receiving Water: Ground System Component: Other System Component:

Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: 10/21/11 Update: Spill was completely contained and did not enter the harbor. Change "Classification" to "WWB" & "Waterbody Type" to "Ground."; Posting Location: Unknown; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring End: Not

Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Pier Sierra 8 ship to shore connection. Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

Page 16 of 17

## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: HI Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Details Per Permittee Region: 09
Version Number: 0;-1;1;2;3;4;5 NPDES ID: HI0110086 SSO Event Date: 12/18/2011 Event ID: 1 

### Event Information Cause of SSO Event: Equipment failure

Duration of Event (Hours): 0.0 SSO Volume (Gallons): 6,000.00 Name of Receiving Water: Ground System Component: Other System Component:

Impact of SSO Event: Steps to Reduce, Prevent, Mitigate: 

## fillOther Steps to Reduce, Prevent, Mitigate:

Description of Steps Taken: Digester #2 was upgraded and was filling to design limit, but flowed into digester #3 which overflowed onto road. contained by berms. Cleaned out area and sent sludge back to trreatment plant.; Posting Location: N/A; Begin: Not Specified; End: Not Specified; Monitoring Begin: Not Specified; Monitoring End: Not Specified 

## fill

SSO Overflow Location Information Longitude Decimal Degrees Latitude Decimal Degrees Longitude Degrees, Minutes, Seconds:

Location Street Address:Spill totally contained on grounds of the WWTP Latitude Degrees, Minutes, Seconds: [Facility Name:] NAVFAC HAWAII WASTEWATER TREATMENT PLANT [City:] UNKNOWN [County:] Honolulu

Page 17 of 17

## Environmental Protection Agency Integrated Compliance Information System - NPDES

SSO Event Report Created Date: 5/1/2014 Refresh Date: 6/25/14 Created By: HQ Version 1.0 NPDES ID: HI0110086 State: Report Date Range: 01/01/2009 To 12/31/2011 SSO Event Listing Per Permittee
Region Code State

Code NPDES ID Version NumberFacility Name Report Date Event ID SSO Volume (Gallons) Duration of Event (Hours) 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 01/04/2011 1 110,000 1 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 01/13/2011 1 130,000 2 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 01/19/2011 1 100 2 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 03/02/2011 1 200 2 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 03/21/2011 1 300 1 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 03/30/2011 1 10 1 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 04/03/2011 1 70 0 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 04/15/2011 1 10 1 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 04/27/2011 1 2,100 3 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 07/29/2011 1 100 1 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 10/20/2011 1 10 0 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 10/24/2010 1 800,000 24 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 11/21/2010 1 16,700 4 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 12/10/2010 1 130,000 2 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 12/18/2011 1 6,000 0 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 12/19/2010 1 13,000 0 09 HI HI0110086 0 NAVFAC HAWAII WASTEWATER TREATMENT PLANT 12/19/2010 2 130,000 2

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