CHUGIAK, AK · Matanuska-Susitna Borough County

MATANUSKA HEIGHTS DUCHESS 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): AK2227547
System type: Community Water System
Population served: 36
Service connections: 3
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2023 – April 12, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Toluene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Benzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2017 – December 31, 2025
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2017 – December 31, 2025
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2014 – May 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2013 – June 30, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2010 – March 5, 2013
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 30, 2008 – May 26, 2009
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2002 – May 24, 2006
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1997 – December 31, 1997
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfone
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Atrazine
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Chlordane
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Heptachlor
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Simazine
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Picloram
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Methoxychlor
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
BHC-GAMMA
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Heptachlor epoxide
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Toxaphene
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
2,4-D
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
2,4,5-TP
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Simazine
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Picloram
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Diquat
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Endrin
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Chlordane
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Atrazine
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfone
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
2,4-D
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Simazine
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Heptachlor epoxide
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Picloram
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
2,4-D
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Atrazine
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Chlordane
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Endrin
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Diquat
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Picloram
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Simazine
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1993 – May 31, 1993
Archived
Monitoring, Regular
—
Benzene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Vinyl chloride
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
Benzene
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
Chromium
June 1, 1990 – May 31, 1993
Resolved
Monitoring, Regular
—
Mercury
June 1, 1990 – May 31, 1993
Resolved
Monitoring, Regular
—
Selenium
June 1, 1990 – May 31, 1993
Resolved
Monitoring, Regular
—
Fluoride
June 1, 1990 – May 31, 1993
Resolved
Monitoring, Regular
—
Barium
June 1, 1990 – May 31, 1993
Resolved
Monitoring, Regular
—
Cadmium
June 1, 1990 – May 31, 1993
Resolved
Monitoring, Regular
—
Arsenic
June 1, 1990 – May 31, 1993
Resolved

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
January 1, 2023 – April 12, 2023	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Toluene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Benzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Styrene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2017 – December 31, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
January 1, 2017 – December 31, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
May 1, 2014 – May 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2013 – June 30, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2010 – March 5, 2013	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 30, 2008 – May 26, 2009	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2002 – May 24, 2006	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Aldicarb sulfone	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Atrazine	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Chlordane	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Heptachlor	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Simazine	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Picloram	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Methoxychlor	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	BHC-GAMMA	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Heptachlor epoxide	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Toxaphene	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	2,4-D	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	2,4,5-TP	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Aldicarb	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Simazine	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Picloram	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Diquat	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Endrin	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Chlordane	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Atrazine	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Aldicarb sulfone	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Aldicarb	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	2,4-D	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Methoxychlor	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Simazine	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Aldicarb	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Heptachlor epoxide	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Picloram	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	2,4-D	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Aldicarb	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Atrazine	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Chlordane	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Endrin	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Diquat	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Picloram	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Simazine	—	Resolved
May 1, 1993 – May 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1992 – March 31, 1992	Monitoring, Regular	Benzene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	Vinyl chloride	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	Benzene	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	Carbon tetrachloride	—	Resolved
June 1, 1990 – May 31, 1993	Monitoring, Regular	Chromium	—	Resolved
June 1, 1990 – May 31, 1993	Monitoring, Regular	Mercury	—	Resolved
June 1, 1990 – May 31, 1993	Monitoring, Regular	Selenium	—	Resolved
June 1, 1990 – May 31, 1993	Monitoring, Regular	Fluoride	—	Resolved
June 1, 1990 – May 31, 1993	Monitoring, Regular	Barium	—	Resolved
June 1, 1990 – May 31, 1993	Monitoring, Regular	Cadmium	—	Resolved
June 1, 1990 – May 31, 1993	Monitoring, Regular	Arsenic	—	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

September 16, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 30, 2025State Violation/Reminder Notice1 linked violation
April 29, 2025State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
September 30, 2024State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
December 28, 2023State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
October 12, 2023State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
April 27, 2023State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 12, 2023State Compliance achieved1 linked violation
April 12, 2023State Compliance achieved21 linked violations
March 9, 2023State Compliance achieved1 linked violation
January 4, 2023State Compliance achieved1 linked violation
January 25, 2018State Compliance achieved1 linked violation
December 15, 2014State Compliance achieved1 linked violation
July 2, 2014State Public Notification received2 linked violations
August 15, 2013State Public Notification received4 linked violations
July 16, 2013State Public Notification requested1 linked violation
April 8, 2013State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 1, 2013State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 5, 2013State Compliance achieved1 linked violation
September 24, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 26, 2009State Compliance achieved1 linked violation
January 22, 2009State Violation/Reminder Notice1 linked violation
November 12, 2008State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 6, 2008State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 6, 2008State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 28, 2008State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 24, 2006State Compliance achieved1 linked violation
March 13, 2003State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 13, 2002State Othergeneral compliance action — not tied to a specific violation on record
February 26, 2002State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 24, 2001State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 21, 2001State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 19, 2001State Othergeneral compliance action — not tied to a specific violation on record
December 18, 2001State Othergeneral compliance action — not tied to a specific violation on record
August 22, 2001State Compliance Meeting conducted13 linked violations
June 18, 2001State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
May 21, 2001State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
February 6, 2001State Othergeneral compliance action — not tied to a specific violation on record
February 5, 2001State Othergeneral compliance action — not tied to a specific violation on record
December 29, 2000State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 14, 2000State Violation/Reminder Notice4 linked violations
December 5, 2000State Othergeneral compliance action — not tied to a specific violation on record
July 23, 1999State Violation/Reminder Notice1 linked violation
March 2, 1999State Othergeneral compliance action — not tied to a specific violation on record
December 29, 1998State Compliance achieved92 linked violations
December 14, 1998State Compliance achieved80 linked violations
December 1, 1998State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 6, 1998State Othergeneral compliance action — not tied to a specific violation on record
May 7, 1998State Othergeneral compliance action — not tied to a specific violation on record
March 16, 1998State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 21, 1997State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 23, 1997State Othergeneral compliance action — not tied to a specific violation on record
May 16, 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
September 13, 1996State Othergeneral compliance action — not tied to a specific violation on record
September 4, 1996State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 5, 1993State Othergeneral compliance action — not tied to a specific violation on record
July 17, 1993State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 5, 1992State Violation/Reminder Notice17 linked violations
March 14, 1991State Compliance achievedgeneral compliance action — not tied to a specific violation on record
April 6, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

CASEY, DIANA

907-688-2878

CHUGIAK, AK 99567