ANCHORAGE, AK · Matanuska-Susitna Borough County
UNIFIED ALASKAN UTILITIES SETTLERS BAY Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Alaska’s official records. Always confirm current status with Alaska before making decisions based on this information.
System facts
- System ID (PWSID)
- AK2221834
- System type
- Community Water System
- Population served
- 2,733
- Service connections
- 644
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2023 – July 25, 2023
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2020 – February 20, 2020
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2019 – August 13, 2019
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2019 – May 15, 2019
ResolvedMonitoring, Regular
—Benzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Styrene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Toluene
January 1, 2019 – December 31, 2019
ResolvedFailure To Address Deficiency
Health-basedGroundwater Rule
December 31, 2017 – June 14, 2021
ResolvedMonitoring, Regular
—Toluene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—Benzene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—Xylenes, Total
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—Styrene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—Benzene
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—Toluene
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—Styrene
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Benzene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Toluene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Styrene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—o-Dichlorobenzene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Trichloroethylene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—1,2-Dichloroethane
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Carbon tetrachloride
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—1,2-Dichloropropane
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—p-Dichlorobenzene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Vinyl chloride
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Styrene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Ethylbenzene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Toluene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Benzene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—CHLOROBENZENE
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Tetrachloroethylene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Xylenes, Total
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—DICHLOROMETHANE
July 1, 2016 – September 30, 2016
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2015 – July 31, 2015
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2015 – July 31, 2015
ResolvedFailure To Address Deficiency
Health-basedGroundwater Rule
October 19, 2014 – March 27, 2017
ResolvedMonitoring, Routine (IDSE)
—Stage 2 Disinfectants and Disinfection Byproducts Rule
October 2, 2013 – August 21, 2014
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Styrene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Arsenic
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Toluene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Benzene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2011 – December 31, 2013
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2007 – November 17, 2011
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2005 – December 31, 2005
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2005 – December 31, 2005
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2004 – December 31, 2004
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2004 – December 31, 2004
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2003 – November 17, 2011
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
July 1, 1993 – July 21, 1998
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 1992 – June 30, 1992
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 1992 – June 30, 1992
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 1992 – June 30, 1992
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 1992 – June 30, 1992
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 1992 – June 30, 1992
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 1992 – June 30, 1992
ResolvedMonitoring, Regular
—Benzene
April 1, 1992 – June 30, 1992
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 1992 – June 30, 1992
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
December 1, 1987 – November 30, 1991
ArchivedMonitoring, Regular
—Cadmium
November 30, 1987 – November 30, 1990
ArchivedMonitoring, Regular
—Mercury
November 30, 1987 – November 30, 1990
ArchivedMonitoring, Regular
—Nitrate
November 30, 1987 – November 30, 1990
ArchivedMonitoring, Regular
—Fluoride
November 30, 1987 – November 30, 1990
ArchivedMonitoring, Regular
—Chromium
November 30, 1987 – November 30, 1990
ArchivedMonitoring, Regular
—Barium
November 30, 1987 – November 30, 1990
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2023 – July 25, 2023 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| January 1, 2020 – February 20, 2020 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2019 – August 13, 2019 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2019 – May 15, 2019 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Toluene | — | Resolved |
| December 31, 2017 – June 14, 2021 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Styrene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Styrene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Toluene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Benzene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| July 1, 2015 – July 31, 2015 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2015 – July 31, 2015 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 19, 2014 – March 27, 2017 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| October 2, 2013 – August 21, 2014 | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | — | Resolved |
| December 1, 2012 – December 31, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2007 – November 17, 2011 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2003 – November 17, 2011 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 1993 – July 21, 1998 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| April 1, 1992 – June 30, 1992 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 1992 – June 30, 1992 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 1992 – June 30, 1992 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 1992 – June 30, 1992 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 1992 – June 30, 1992 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 1992 – June 30, 1992 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 1992 – June 30, 1992 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 1992 – June 30, 1992 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| December 1, 1987 – November 30, 1991 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| November 30, 1987 – November 30, 1990 | Monitoring, Regular | Cadmium | — | Archived |
| November 30, 1987 – November 30, 1990 | Monitoring, Regular | Mercury | — | Archived |
| November 30, 1987 – November 30, 1990 | Monitoring, Regular | Nitrate | — | Archived |
| November 30, 1987 – November 30, 1990 | Monitoring, Regular | Fluoride | — | Archived |
| November 30, 1987 – November 30, 1990 | Monitoring, Regular | Chromium | — | Archived |
| November 30, 1987 – November 30, 1990 | Monitoring, Regular | Barium | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- September 11, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- July 29, 2024State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- July 28, 2024State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- July 28, 2024State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
- July 25, 2024State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- July 25, 2024State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- July 25, 2024State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
- July 25, 2023State Compliance achieved1 linked violation
- July 25, 2023State Compliance achieved1 linked violation
- December 28, 2022State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- December 6, 2022State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- July 5, 2022State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- June 30, 2022State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- June 30, 2022State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
- June 14, 2021State Compliance achieved1 linked violation
- January 5, 2021State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- April 8, 2020State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- March 9, 2020State Compliance achieved42 linked violations
- February 20, 2020State Compliance achieved1 linked violation
- October 7, 2019State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- September 24, 2019State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 20, 2019State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- August 13, 2019State Compliance achieved1 linked violation
- May 15, 2019State Compliance achieved1 linked violation
- April 9, 2018State Violation/Reminder Notice1 linked violation
- March 1, 2018State Compliance achieved1 linked violation
- July 31, 2017State Compliance achieved42 linked violations
- May 2, 2017State Compliance achieved2 linked violations
- May 2, 2017State Compliance achieved21 linked violations
- April 12, 2017State Compliance achieved21 linked violations
- March 27, 2017State Compliance achieved1 linked violation
- February 24, 2016State Compliance achieved21 linked violations
- March 23, 2015State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- November 25, 2014State Compliance achieved1 linked violation
- September 18, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- August 21, 2014State Compliance achieved1 linked violation
- March 26, 2014State Compliance achieved21 linked violations
- February 1, 2013State Public Notification received1 linked violation
- February 1, 2013State Compliance achieved1 linked violation
- January 15, 2013State Public Notification requested1 linked violation
- November 17, 2011State Compliance achieved1 linked violation
- November 17, 2011State Compliance achieved1 linked violation
- November 17, 2011State Compliance achieved4 linked violations
- November 17, 2011State Compliance achieved1 linked violation
- July 16, 2010State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- March 26, 2010State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- June 1, 2009State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- May 26, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- May 7, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- May 6, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- November 24, 2008State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- October 21, 2008State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- April 24, 2002State Othergeneral compliance action — not tied to a specific violation on record
- April 1, 2002State Othergeneral compliance action — not tied to a specific violation on record
- March 5, 2002State Othergeneral compliance action — not tied to a specific violation on record
- December 19, 2001State Othergeneral compliance action — not tied to a specific violation on record
- October 29, 2001State Othergeneral compliance action — not tied to a specific violation on record
- March 7, 2001State Othergeneral compliance action — not tied to a specific violation on record
- February 21, 2001State Othergeneral compliance action — not tied to a specific violation on record
- December 5, 2000State Othergeneral compliance action — not tied to a specific violation on record
- October 5, 2000State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 26, 2000State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 22, 2000State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- June 13, 2000State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
- March 30, 2000State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
- March 21, 2000State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
- February 16, 2000State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
- December 17, 1998State Compliance achieved8 linked violations
- December 1, 1998State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- November 9, 1998State Othergeneral compliance action — not tied to a specific violation on record
- July 21, 1998State Compliance achieved1 linked violation
- May 7, 1998State Othergeneral compliance action — not tied to a specific violation on record
- August 21, 1997State Othergeneral compliance action — not tied to a specific violation on record
- February 24, 1997State Othergeneral compliance action — not tied to a specific violation on record
- April 22, 1996State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- November 15, 1995State Othergeneral compliance action — not tied to a specific violation on record
- December 5, 1993State Othergeneral compliance action — not tied to a specific violation on record
- December 31, 1991State Violation/Reminder Notice1 linked violation
- January 17, 1991State Violation/Reminder Notice8 linked violations
Contact
NORTHERN UTILITY SERVICES LLC
907-222-4084
ANCHORAGE, AK 99523-3368