NUNAPITCHUK WATER SYSTEM
Alaska - Community Water System - PWSID: AK2260820
System Information
| PWSID | AK2260820 |
| System Name | NUNAPITCHUK 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 | NUNAPITCHUK |
| ZIP Code | 99641 |
| Address | P.O. BOX 190 |
| Organization | WASSILLIE, JULIANNA |
| Phone | 907-527-5327 |
Population & Service
| Population Served | 496 |
| Service Connections | 10 |
Drinking Water Violations (789)
This water system has 789 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2025 | Dec 31, 2025 | MON | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 29, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Nov 30, 2024 | - | MR | No | No | - | TT | - | Resolved | Mar 17, 2025 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 6, 2024 | - | |
| Jan 1, 2024 | Jan 31, 2024 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Sep 13, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 6, 2023 | - | |
| Sep 2, 2023 | - | TT | Yes | No | - | - | - | Resolved | Nov 9, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | .132 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | .106 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | .132 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | .106 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | .106 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | .132 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 2, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Aug 1, 2020 | Aug 31, 2020 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 2, 2020 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Dec 7, 2020 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2018 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 3, 2018 | - | |
| Oct 1, 2017 | Sep 30, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2017 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - |
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.