American Samoa Drinking Water Compliance Records
10 water systems serving 48,601 people. 1,713 historical EPA violation records in the Q2 2026 snapshot.
TapScore Compliance-History Grades
A
0
0%
B
0
0%
C
6
60%
D
3
30%
F
1
10%
10
Water Systems
48,601
Population Served
1,713
Historical Records
153
Health-Based (All Years)
Systems With the Most Recent EPA Records
Central ASG
45,315 served688 historical records402 recent
F
Vatia ASG
460 served88 historical records69 recent
C
Tau-Faleasao ASG
236 served209 historical records19 recent
C
Ofu - Olosega ASG
270 served231 historical records18 recent
D
Fitiuta ASG
213 served117 historical records15 recent
C
Aunuu ASG
402 served206 historical records14 recent
D
Aoa ASG
344 served64 historical records10 recent
D
Masefau ASG
457 served32 historical records7 recent
C
Afono ASG
327 served47 historical records6 recent
C
Fagasa ASG
577 served31 historical records6 recent
C
Largest Water Systems in American Samoa
| Water System | Grade | Population | Historical Records |
|---|---|---|---|
| Central ASG | F | 45,315 | 688 |
| Fagasa ASG | C | 577 | 31 |
| Vatia ASG | C | 460 | 88 |
| Masefau ASG | C | 457 | 32 |
| Aunuu ASG | D | 402 | 206 |
| Aoa ASG | D | 344 | 64 |
| Afono ASG | C | 327 | 47 |
| Ofu - Olosega ASG | D | 270 | 231 |
| Tau-Faleasao ASG | C | 236 | 209 |
| Fitiuta ASG | C | 213 | 117 |
Contaminants in American Samoa
Lead in American SamoaArsenic in American SamoaNitrate in American SamoaFluoride in American SamoaPFOS in American SamoaPFOA in American SamoaTHMs in American SamoaHAA5 in American Samoa