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Public water system record

Troll Knoll S/D

Serves Anchorage, Anchorage Municipality, AK · 99 people served

Federal records show no health-based violations and 47 monitoring/reporting issues for Troll Knoll S/D in the last ten years.

  • AK2210778
  • CHUGIAK
  • AK
  • 99 served

System profile

Source water Groundwater
ZIP 99567
EPA system ID AK2210778

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
47

Key facts

  • Troll Knoll S/D draws water from 1 well.
  • Most recent formal enforcement: compliance order (no penalty) by Alaska, April 2007.
  • Record on file since 1979, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 25 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

None since October 2016.

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Consumer Confidence Rule
OTHER
 Oct 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jul 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jul 1, 2018 Resolved
Nitrate
Monitoring and reporting
 Jan 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2018 Resolved
Consumer Confidence Rule
OTHER
 Oct 1, 2017 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jul 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
 May 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
 Jan 1, 2017 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2016 Resolved
Revised Total Coliform Rule
OTHER
 Apr 1, 2016 Resolved
Consumer Confidence Rule
OTHER
 Oct 1, 2015 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2015 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2014 Resolved
Styrene
Monitoring and reporting
 Jan 1, 2014 Resolved
Ethylbenzene
Monitoring and reporting
 Jan 1, 2014 Resolved
Toluene
Monitoring and reporting
 Jan 1, 2014 Resolved
Benzene
Monitoring and reporting
 Jan 1, 2014 Resolved
CHLOROBENZENE
Monitoring and reporting
 Jan 1, 2014 Resolved
Tetrachloroethylene
Monitoring and reporting
 Jan 1, 2014 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
 Jan 1, 2014 Resolved
Trichloroethylene
Monitoring and reporting
 Jan 1, 2014 Resolved
1,2-Dichloropropane
Monitoring and reporting
 Jan 1, 2014 Resolved
Carbon tetrachloride
Monitoring and reporting
 Jan 1, 2014 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
 Jan 1, 2014 Resolved
1,2-Dichloroethane
Monitoring and reporting
 Jan 1, 2014 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
 Jan 1, 2014 Resolved
1,1-Dichloroethylene
Monitoring and reporting
 Jan 1, 2014 Resolved
Vinyl chloride
Monitoring and reporting
 Jan 1, 2014 Resolved
p-Dichlorobenzene
Monitoring and reporting
 Jan 1, 2014 Resolved
o-Dichlorobenzene
Monitoring and reporting
 Jan 1, 2014 Resolved
DICHLOROMETHANE
Monitoring and reporting
 Jan 1, 2014 Resolved
Xylenes, Total
Monitoring and reporting
 Jan 1, 2014 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
 Jan 1, 2014 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
 Jan 1, 2014 Resolved
Arsenic
Monitoring and reporting
 Jan 1, 2014 Resolved
Ground Water Rule
OTHER
 Sep 20, 2013 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2013 Resolved
CYANIDE
Monitoring and reporting
 Jan 1, 2011 Resolved
Nickel
Monitoring and reporting
 Jan 1, 2011 Resolved
Antimony, Total
Monitoring and reporting
 Jan 1, 2011 Resolved
Beryllium, Total
Monitoring and reporting
 Jan 1, 2011 Resolved
Thallium, Total
Monitoring and reporting
 Jan 1, 2011 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
 Jan 1, 2008 Resolved
Combined Uranium
Monitoring and reporting
 Jan 1, 2008 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
 Jan 1, 2008 Resolved

Full record since 1979

EPA's records for Troll Knoll S/D go back to 1979. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 362 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 9
1980s 0 9
1990s 0 18
2000s 1 44
2010 to October 18, 2016 0 282
October 19, 2016 to 2019 0 9
2020s 0 1

Most recent health-based violation before October 19, 2016: Total Coliform, began April 2000, Archived.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Apr 1, 2000 Archived

Enforcement actions

Alaska regulators took 2 formal enforcement actions against Troll Knoll S/D between 2005 and 2007. The most recent was a compliance order (no penalty) in April 2007.

Date By Action Violations covered
Apr 23, 2007 Alaska Compliance order (no penalty) 2 violations: Nitrate
Feb 11, 2005 Alaska Compliance order (no penalty) 2 violations: Consumer Confidence Rule

Where the water comes from

Troll Knoll S/D draws water from 1 well.

Annual water quality report

Troll Knoll S/D must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Troll Knoll S/D for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Alaska.

Certified drinking water labs by state EPA guidance for private wells