American Samoa tap water quality
10 active community water systems.
Largest water systems
| Grade | System | People | Health violations (5y) |
|---|---|---|---|
| D | Central ASG | 45,315 | 10 |
| B | Fagasa ASG | 577 | 0 |
| B | Vatia ASG | 460 | 0 |
| B | Masefau ASG | 457 | 0 |
| C | Aunuu ASG | 402 | 2 |
| C | Aoa ASG | 344 | 2 |
| B | Afono ASG | 327 | 0 |
| C | Ofu - Olosega ASG | 270 | 1 |
| B | Tau-Faleasao ASG | 236 | 0 |
| B | Fitiuta ASG | 213 | 0 |
Most issues (systems serving 10,000+)
D
Central ASG
Serves 45,315 people · Surface water · Full report →
10 health-based violations in the last 5 years; 450 monitoring/reporting violations; 5 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Latest lead 90th percentile on file is from 2019 (older than 5 years, not graded).
Cities
AfonoAoaAunu'uFagasaFitiutaMasefau, Masausi & SaileleOfu - OlosegaPago PagoTa'u & FaleasaoTutuilaVatia