UNALASKA WATER SYSTEM Water Quality Report
Population
9,400
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 30
violations recorded
C
Fair
Safety Grade
30 violations in the past 5 years
System Details
- PWSID
- AK2260309
- Population Served
- 9,400
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Alaska
- EPA Region
- 10
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 6 |
| Contaminant 0999 | ⚠ Monitoring/Reporting | 7 |
| Contaminant 0200 | ⚠ Monitoring/Reporting | 11 |
| Contaminant 2920 | ⚠ Monitoring/Reporting | 8 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 1 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 1 |
| Nitrate | ⚠ Monitoring/Reporting | 2 |
Violation History
2024
11
2023
8
2022
10
2021
1
2018
6
2000
1
Total violations on record: 37
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Reverse Osmosis System
Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates
Removes: Nitrate
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
How does this compare?
This systemNational average
Grade C
Avg: B-C
37violations total
132% of national average
National avg: ~28 per system
📍 Average-sized water system.