Unalaska Water System
PWSID: AK2260309
System Details
| Population Served | 9,400 |
| Service Connections | 603 |
| Water Source | Surface Water |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Unalaska |
| Zip Code | 99685 |
Areas Served
- Unalaska, Aleutians West Census Area County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0102 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0034 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0031 mg/L | 0.015 mg/L | Below Action Level |
Violation History (37 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-05-01 | | Returned to Compliance |
| | 2024-05-01 | | Returned to Compliance |
| | 2024-05-01 | Major | Returned to Compliance |
| | 2024-05-01 | Major | Returned to Compliance |
| | 2024-05-01 | Major | Returned to Compliance |
| | 2024-05-01 | Major | Returned to Compliance |
| | 2024-05-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2023-10-01 | Major | Returned to Compliance |
| | 2023-10-01 | Major | Returned to Compliance |
| | 2023-10-01 | Major | Acknowledged |
| | 2023-10-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Acknowledged |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2022-05-01 | Major | Returned to Compliance |
| | 2022-05-01 | Major | Returned to Compliance |
| | 2022-05-01 | Major | Returned to Compliance |
| | 2022-05-01 | Major | Returned to Compliance |
| | 2022-05-01 | Major | Returned to Compliance |
| | 2022-05-01 | | Returned to Compliance |
| | 2022-05-01 | | Returned to Compliance |
| | 2022-04-01 | Major | Returned to Compliance |
| | 2022-04-01 | Major | Returned to Compliance |
| | 2022-04-01 | Major | Returned to Compliance |
| | 2021-11-01 | | Returned to Compliance |
| | 2018-05-01 | | Returned to Compliance |
| | 2018-05-01 | Major | Acknowledged |
| | 2018-05-01 | Major | Returned to Compliance |
| | 2018-05-01 | Major | Returned to Compliance |
| | 2018-04-01 | Major | Returned to Compliance |
| | 2018-04-01 | Major | Returned to Compliance |
| | 2000-10-01 | | Returned to Compliance |