KASAAN
Alaska — Community Water System — PWSID: AK2120606
System Information
| PWSID | AK2120606 |
| System Name | KASAAN |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 22, 1983 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | Alaska |
| City | KASAAN |
| ZIP Code | 99950 |
| Address | PO Box KXA17 |
| Organization | SILVERMAN, LIAM |
| Phone | 907-821-3467 |
Population & Service
| Population Served | 66 |
| Service Connections | 39 |
Drinking Water Violations (598)
This water system has 598 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Nov 30, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2025 | — | |
| Jul 1, 2024 | Jul 31, 2024 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2024 | — | |
| Nov 1, 2022 | Nov 30, 2022 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2022 | — | |
| Nov 1, 2022 | Nov 30, 2022 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2022 | — | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | — | — | — | Resolved | Aug 31, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2022 | — | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2021 | — | |
| Oct 1, 2021 | — | Other | No | No | — | — | — | Resolved | May 9, 2022 | — | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2021 | — | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2021 | — | |
| Jul 1, 2021 | — | Other | No | No | — | — | — | Resolved | May 9, 2022 | — | |
| Jun 1, 2021 | Aug 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2021 | — | |
| Jun 1, 2021 | Aug 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2021 | — | |
| Apr 1, 2021 | Apr 30, 2021 | MR | No | Yes | — | — | — | Resolved | Apr 30, 2021 | — | |
| Apr 1, 2021 | Apr 30, 2021 | MR | No | Yes | — | — | — | Resolved | Apr 30, 2021 | — | |
| Feb 1, 2021 | Feb 28, 2021 | MR | No | Yes | — | — | — | Resolved | Feb 28, 2021 | — | |
| Feb 1, 2021 | Feb 28, 2021 | MR | No | Yes | — | — | — | Resolved | Feb 28, 2021 | — | |
| Jan 1, 2021 | Jan 31, 2021 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2021 | — | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2020 | — | |
| Feb 29, 2020 | May 31, 2020 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | May 31, 2020 | — | |
| Feb 29, 2020 | May 31, 2020 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | May 31, 2020 | — | |
| Feb 1, 2020 | Feb 29, 2020 | MON | No | Yes | — | — | — | Resolved | Feb 29, 2020 | — | |
| Nov 1, 2019 | Nov 30, 2019 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2019 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .074 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2019 | — | |
| Oct 1, 2019 | — | Other | No | No | — | — | — | Resolved | Nov 12, 2020 | — | |
| Jul 1, 2019 | — | Other | No | No | — | — | — | Resolved | Nov 12, 2020 | — | |
| May 1, 2019 | May 31, 2019 | MON | No | Yes | — | — | — | Resolved | May 31, 2019 | — | |
| Jan 1, 2019 | — | MR | No | No | — | TT | — | Resolved | Nov 21, 2019 | — | |
| Dec 1, 2018 | Feb 28, 2019 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Feb 28, 2019 | — | |
| Dec 1, 2018 | Feb 28, 2019 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Feb 28, 2019 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | — | Other | No | No | — | — | — | Resolved | Nov 12, 2020 | — | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | — | Other | No | No | — | — | — | Resolved | Jul 31, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .087 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | — | — | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | — | — | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .129 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2018 | — | |
| Dec 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2017 | — | |
| Dec 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .071 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .071 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | — | Other | No | No | — | — | — | Resolved | Sep 6, 2017 | — | |
| Jun 1, 2017 | Jun 30, 2017 | TT | Yes | No | — | — | — | Resolved | Jun 30, 2017 | — | |
| May 1, 2017 | May 31, 2017 | TT | Yes | No | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | — | — | — | Resolved | May 31, 2017 | — |
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.