State rankings
American Samoa water-system rankings
Lowest-scoring systems in American Samoa
Ranked lowest score first. Population shown for context.
1 Central ASG Pago Pago, AS · ~45,315 served 85 2 Fagasa ASG Pago Pago, AS · ~577 served 100 3 Vatia ASG Pago Pago, AS · ~460 served 100 4 Masefau ASG Pago Pago, AS · ~457 served 100 5 Aunuu ASG Pago Pago, AS · ~402 served 100 6 Aoa ASG Pago Pago, AS · ~344 served 100 7 Afono ASG Pago Pago, AS · ~327 served 100 8 Ofu - Olosega ASG Pago Pago, AS · ~270 served 100 9 Tau-Faleasao ASG Pago Pago, AS · ~236 served 100 10 Fitiuta ASG Pago Pago, AS · ~213 served 100
Highest-scoring large systems in American Samoa
Systems serving 10,000+ people with the best scores.
Scores reflect EPA public records (violations, enforcement, PFAS), are system-level, and can’t account for your home’s plumbing. See the methodology.