LARSEN BAY WATER SYSTEM
Alaska — Community Water System — PWSID: AK2250134
System Information
| PWSID | AK2250134 |
| System Name | LARSEN BAY WATER SYSTEM |
| 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 | Feb 7, 1981 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | Alaska |
| City | LARSEN BAY |
| ZIP Code | 99624-0008 |
| Address | P.O. Box 8 |
| Organization | NELSON, WILLIAM |
| Phone | 907-847-2211 |
Population & Service
| Population Served | 271 |
| Service Connections | 89 |
Drinking Water Violations (1,179)
This water system has 1,179 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Jan 31, 2025 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.060 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.7 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.075 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 1 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.2 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.6 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.080 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.007 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Dec 1, 2024 | Dec 31, 2024 | MR | No | No | — | — | — | Resolved | Dec 31, 2024 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Nov 19, 2024 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Nov 19, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MR | No | No | — | — | — | Resolved | Jun 30, 2024 | — | |
| Jan 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Jul 23, 2024 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MR | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2023 | — |
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.