Ofu - Olosega ASG
PWS ID: AS9430546 · Pago Pago, American Samoa 96799
Population Served
270
Total Violations
295
Health-Based Violations
17
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- State
- Connections
- 90
- County
- Manu'a District
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 219
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 35 | 2015 |
| Combined Radium (-226 and -228) | MR | 27 | 2024 |
| Coliform (TCR) | MCL | 11 | 2016 |
| Consumer Confidence Rule | Other | 9 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2025 |
| TTHM | MR | 7 | 2025 |
| Groundwater Rule | TT | 5 | 2015 |
| Nitrate | MR | 4 | 2023 |
| Chlorine | MR | 3 | 2025 |
| E. COLI | MR | 3 | 2017 |
| Public Notice | Other | 3 | 2024 |
| Asbestos | MR | 3 | 2025 |
| Arsenic | MR | 2 | 2014 |
| Fluoride | MR | 2 | 2014 |
| Mercury | MR | 2 | 2014 |
| Selenium | MR | 2 | 2014 |
| Antimony, Total | MR | 2 | 2014 |
| Beryllium, Total | MR | 2 | 2014 |
| Endrin | MR | 2 | 2014 |
| BHC-GAMMA | MR | 2 | 2014 |
| Toxaphene | MR | 2 | 2014 |
| Dalapon | MR | 2 | 2014 |
| Diquat | MR | 2 | 2014 |
| Endothall | MR | 2 | 2014 |
| Glyphosate | MR | 2 | 2014 |
| Di(2-ethylhexyl) adipate | MR | 2 | 2014 |
| OXAMYL | MR | 2 | 2014 |
| Di(2-ethylhexyl) phthalate | MR | 2 | 2014 |
| Picloram | MR | 2 | 2014 |
| Dinoseb | MR | 2 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.