American Samoa Water Quality
According to EPA Safe Drinking Water Information System (SDWIS), American Samoa has 10 active community water systems in this extract. PlainEnviro's health-based slice lists 293 violation records across 7 systems with at least one such row. These are historical EPA registry counts, not a statewide drinkability score.
Health-based violation records for 10 community water systems in American Samoa. Source: EPA Safe Drinking Water Information System (SDWIS).
Water Systems with Most Health-Based Records
| # | Water System | Health-Based Records | Health |
|---|---|---|---|
| 1 | Aunuu ASG Pago Pago | 130 | Yes |
| 2 | Central ASG Pago Pago | 67 | Yes |
| 3 | Aoa ASG Pago Pago | 51 | Yes |
| 4 | Ofu - Olosega ASG Pago Pago | 21 | Yes |
| 5 | Fitiuta ASG Pago Pago | 13 | Yes |
| 6 | Tau-Faleasao ASG Pago Pago | 8 | Yes |
| 7 | Afono ASG Pago Pago | 3 | Yes |
Most Common Contaminants in American Samoa
| Contaminant | Violations | Systems Affected |
|---|---|---|
| TTHM | 96 | 1 |
| Revised Total Coliform Rule | 88 | 6 |
| Groundwater Rule | 69 | 5 |
| Total Haloacetic Acids (HAA5) | 21 | 1 |
| Coliform (TCR) | 16 | 3 |
| Lead and Copper Rule | 2 | 1 |
| Surface Water Treatment Rule | 1 | 1 |
Cities with Water Quality Issues
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About This Data
Water quality data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations. Only community water systems (CWS) in American Samoa are included.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.