KOLIGANEK WATER SYSTEM
Alaska — Community Water System — PWSID: AK2260040
System Information
| PWSID | AK2260040 |
| System Name | KOLIGANEK WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | Alaska |
| City | KOLIGANEK |
| ZIP Code | 99576 |
| Address | P.O. Box 5057 |
| Organization | TUNGUING, CHERYL |
| Phone | 907-596-3434 |
Population & Service
| Population Served | 170 |
| Service Connections | 40 |
Drinking Water Violations (496)
This water system has 496 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 20, 2024 | — | MR | No | No | — | TT | — | Resolved | Jun 5, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jul 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Nov 30, 2023 | — | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2021 | — | Other | No | No | — | — | — | Resolved | Dec 1, 2021 | — | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2019 | — | Other | No | No | — | — | — | Resolved | Sep 24, 2020 | — | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2019 | — | |
| Aug 27, 2018 | — | TT | Yes | No | — | — | — | Resolved | Jul 29, 2024 | — | |
| Aug 27, 2018 | — | TT | Yes | No | — | — | — | Resolved | Mar 16, 2021 | — | |
| Aug 27, 2018 | — | TT | Yes | No | — | — | — | Resolved | Mar 16, 2021 | — | |
| Aug 27, 2018 | — | TT | Yes | No | — | — | — | Resolved | Oct 30, 2023 | — | |
| Aug 27, 2018 | — | TT | Yes | No | — | — | — | Resolved | Mar 16, 2021 | — | |
| Aug 1, 2018 | Aug 31, 2018 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2018 | — | |
| Jul 1, 2018 | Jul 31, 2018 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2018 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2016 | — | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2016 | — | |
| Jun 1, 2015 | Jun 30, 2015 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | — | |
| May 1, 2015 | May 31, 2015 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2015 | — | |
| Mar 1, 2015 | Mar 31, 2015 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | — | |
| Sep 1, 2014 | Sep 30, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2014 | — | |
| Aug 1, 2014 | Aug 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2014 | — | |
| Jul 2, 2014 | — | Other | No | No | — | — | — | Resolved | Nov 6, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Sep 4, 2014 | — | |
| Jun 1, 2014 | — | TT | Yes | No | — | — | — | Resolved | Jul 26, 2018 | — | |
| Jun 1, 2014 | — | TT | Yes | No | — | — | — | Resolved | Jul 26, 2018 | — | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2014 | — | |
| Jun 1, 2014 | — | TT | Yes | No | — | — | — | Resolved | Mar 8, 2021 | — | |
| Jun 1, 2014 | — | TT | Yes | No | — | — | — | Resolved | Aug 14, 2017 | — | |
| Jun 1, 2014 | — | TT | Yes | No | — | — | — | Resolved | Aug 14, 2017 | — | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | — | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2016 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.