PALMER, AK · Matanuska-Susitna Borough County

TWIN PEAKS 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): AK2227539
System type: Community Water System
Population served: 37
Service connections: 12
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2025 – December 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2024 – November 30, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Arsenic
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Styrene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Toluene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Benzene
January 1, 2023 – December 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2021 – December 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2020 – December 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2020 – November 30, 2020
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2020 – November 25, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2020 – January 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2019 – March 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2019 – March 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2018 – March 31, 2018
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, Regular
—
Combined Uranium
January 1, 2017 – December 31, 2025
Archived
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2016 – September 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2016 – December 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2016 – December 31, 2016
Resolved
Operations Report
—
No contaminant on record
September 1, 2013 – September 30, 2013
Resolved
Operations Report
—
No contaminant on record
August 1, 2013 – August 31, 2013
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
September 11, 2012 – September 4, 2013
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
September 11, 2012 – September 4, 2013
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
September 11, 2012 – September 4, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2011 – September 30, 2011
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – January 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2011 – September 30, 2011
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2010 – September 30, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2010 – August 31, 2010
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
August 1, 2010 – August 31, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2010 – July 14, 2010
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – May 3, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2004 – December 31, 2004
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – May 3, 2006
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 1996 – December 14, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1991 – September 30, 1991
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1991 – September 30, 1991
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1991 – September 30, 1991
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 1991 – September 30, 1991
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 1991 – September 30, 1991
Resolved
Monitoring, Regular
—
Benzene
July 1, 1991 – September 30, 1991
Resolved
Monitoring, Regular
—
Cadmium
October 1, 1989 – September 30, 1992
Resolved
Monitoring, Regular
—
Fluoride
October 1, 1989 – September 30, 1992
Resolved
Monitoring, Regular
—
Selenium
October 1, 1989 – September 30, 1992
Resolved
Monitoring, Regular
—
Nitrate
October 1, 1989 – September 30, 1992
Resolved
Monitoring, Regular
—
Mercury
October 1, 1989 – September 30, 1992
Resolved
Monitoring, Regular
—
Arsenic
October 1, 1989 – September 30, 1992
Resolved
Monitoring, Regular
—
Barium
October 1, 1989 – September 30, 1992
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Chromium
September 1, 1989 – September 30, 1989
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1987 – September 30, 1991
Archived
Monitoring, Regular
—
Barium
August 31, 1986 – August 31, 1989
Resolved
Monitoring, Regular
—
Cadmium
August 31, 1986 – August 31, 1989
Resolved
Monitoring, Regular
—
Chromium
August 31, 1986 – August 31, 1989
Resolved
Monitoring, Regular
—
Mercury
August 31, 1986 – August 31, 1989
Resolved
Monitoring, Regular
—
Nitrate
August 31, 1986 – August 31, 1989
Resolved
Monitoring, Regular
—
Selenium
August 31, 1986 – August 31, 1989
Resolved
Monitoring, Regular
—
Arsenic
August 31, 1986 – August 31, 1989
Resolved
Monitoring, Regular
—
Fluoride
August 31, 1986 – August 31, 1989
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
April 1, 2025 – April 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2025 – April 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate	—	Archived
November 1, 2024 – November 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2024 – February 29, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Arsenic	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Styrene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Toluene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Benzene	—	Archived
December 1, 2021 – December 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2020 – December 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2020 – November 30, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2020 – November 25, 2020	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2020 – January 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2019 – March 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring and Reporting (DBP)	Chlorine	—	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
January 1, 2017 – December 31, 2025	Monitoring, Regular	Combined Uranium	—	Archived
July 1, 2016 – September 30, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2013 – September 30, 2013	Operations Report	—	—	Resolved
August 1, 2013 – August 31, 2013	Operations Report	—	—	Resolved
September 11, 2012 – September 4, 2013	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
September 11, 2012 – September 4, 2013	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
September 11, 2012 – September 4, 2013	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
September 1, 2011 – September 30, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2011 – January 31, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Archived
September 1, 2010 – September 30, 2010	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 2010 – August 31, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2010 – August 31, 2010	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2010 – July 14, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2005 – May 3, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 1, 2004 – December 31, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 2003 – May 3, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 1996 – December 14, 1998	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 1991 – September 30, 1991	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 1991 – September 30, 1991	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 1991 – September 30, 1991	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 1991 – September 30, 1991	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 1991 – September 30, 1991	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 1991 – September 30, 1991	Monitoring, Regular	Benzene	—	Resolved
October 1, 1989 – September 30, 1992	Monitoring, Regular	Cadmium	—	Resolved
October 1, 1989 – September 30, 1992	Monitoring, Regular	Fluoride	—	Resolved
October 1, 1989 – September 30, 1992	Monitoring, Regular	Selenium	—	Resolved
October 1, 1989 – September 30, 1992	Monitoring, Regular	Nitrate	—	Resolved
October 1, 1989 – September 30, 1992	Monitoring, Regular	Mercury	—	Resolved
October 1, 1989 – September 30, 1992	Monitoring, Regular	Arsenic	—	Resolved
October 1, 1989 – September 30, 1992	Monitoring, Regular	Barium	—	Resolved
September 1, 1989 – September 30, 1989	Maximum Contaminant Level Violation, Single Sample	Chromium	Health-based	Resolved
October 1, 1987 – September 30, 1991	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
August 31, 1986 – August 31, 1989	Monitoring, Regular	Barium	—	Resolved
August 31, 1986 – August 31, 1989	Monitoring, Regular	Cadmium	—	Resolved
August 31, 1986 – August 31, 1989	Monitoring, Regular	Chromium	—	Resolved
August 31, 1986 – August 31, 1989	Monitoring, Regular	Mercury	—	Resolved
August 31, 1986 – August 31, 1989	Monitoring, Regular	Nitrate	—	Resolved
August 31, 1986 – August 31, 1989	Monitoring, Regular	Selenium	—	Resolved
August 31, 1986 – August 31, 1989	Monitoring, Regular	Arsenic	—	Resolved
August 31, 1986 – August 31, 1989	Monitoring, Regular	Fluoride	—	Resolved

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

Enforcement actions

June 29, 2025State Compliance achieved2 linked violations
January 8, 2025State Compliance achieved1 linked violation
December 12, 2024State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
May 13, 2024State Compliance achieved1 linked violation
February 24, 2022State Compliance achieved1 linked violation
December 30, 2021State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 26, 2021State Compliance achieved2 linked violations
November 25, 2020State Compliance achieved1 linked violation
November 25, 2020State Compliance achieved1 linked violation
April 10, 2020State Compliance achieved1 linked violation
April 11, 2019State Compliance achieved2 linked violations
January 23, 2019State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 12, 2018State Compliance achieved1 linked violation
May 2, 2017State Compliance achieved2 linked violations
April 10, 2017State Compliance achieved1 linked violation
March 9, 2016State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 1, 2015State Compliance achievedgeneral compliance action — not tied to a specific violation on record
November 25, 2015State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 15, 2014State Compliance achieved2 linked violations
September 4, 2013State Compliance achieved3 linked violations
January 31, 2013State Compliance achieved1 linked violation
December 17, 2012State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
October 29, 2010State Violation/Reminder Notice1 linked violation
October 15, 2010State Public Notification requested1 linked violation
October 7, 2010State Compliance achieved1 linked violation
September 21, 2010State Compliance achieved2 linked violations
September 15, 2010State Public Notification requested1 linked violation
September 14, 2010State Violation/Reminder Notice1 linked violation
August 13, 2010State Public Notification requested1 linked violation
August 12, 2010State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 14, 2010State Compliance achieved1 linked violation
November 25, 2008State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 18, 2008State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 23, 2008State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 3, 2006State Compliance achieved2 linked violations
February 26, 2002State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 19, 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
October 29, 2001State Other1 linked violation
June 26, 2001State Compliance Meeting conducted1 linked violation
March 7, 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
July 17, 2000State Othergeneral 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
March 2, 1999State Othergeneral compliance action — not tied to a specific violation on record
December 14, 1998State Compliance achieved1 linked violation
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
March 30, 1998State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 20, 1998State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 23, 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
April 17, 1997State Othergeneral compliance action — not tied to a specific violation on record
April 16, 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
July 3, 1996State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 30, 1996State Violation/Reminder Noticegeneral 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
December 5, 1993State Othergeneral compliance action — not tied to a specific violation on record
November 20, 1992State Violation/Reminder Notice7 linked violations
November 13, 1992State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 13, 1991State Compliance achieved12 linked violations
October 6, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

DEWALL, DAWN

218-230-3093

PALMER, AK 99645