PlainWater
States → American Samoa

Central ASG

PWS ID: AS9711948 · Pago Pago, American Samoa 96799

PFAS Detected

2 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
45,315
Total Violations
636
Health-Based Violations
75
Water Source
Surface Water

System Details

System Type
Community
Owner Type
State
Connections
8,944
County
Eastern District
School/Daycare
No
MCL Violations
58
Monitoring Violations
523
Treatment Tech Violations
17

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 51 2015
Coliform (TCR) MR 25 2013
Combined Radium (-226 and -228) MR 23 2025
E. COLI MR 19 2025
Surface Water Treatment Rule MR 18 2025
Revised Total Coliform Rule TT 11 2025
Nitrate MR 9 2025
Nitrite MR 8 2025
Gross Beta Particle Activity MR 8 2025
Total Haloacetic Acids (HAA5) MR 8 2025
Endrin MR 7 2025
Methoxychlor MR 7 2025
Diquat MR 7 2025
Endothall MR 7 2025
Glyphosate MR 7 2025
Di(2-ethylhexyl) adipate MR 7 2025
OXAMYL MR 7 2025
Simazine MR 7 2025
Di(2-ethylhexyl) phthalate MR 7 2025
Picloram MR 7 2025
Dinoseb MR 7 2025
Hexachlorocyclopentadiene MR 7 2025
Carbofuran MR 7 2025
Atrazine MR 7 2025
LASSO MR 7 2025
2,3,7,8-TCDD MR 7 2025
Heptachlor MR 7 2025
Heptachlor epoxide MR 7 2025
2,4-D MR 7 2025
Pentachlorophenol MR 7 2025

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 5 of 2491 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/6/2024 <9 µg/L 9 µg/L Not Detected
PFHxA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/6/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/6/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/6/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/6/2024 <0.006 µg/L 0.006 µg/L Not Detected
4:2 FTS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 8/6/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/6/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/6/2024 <0.006 µg/L 0.006 µg/L Not Detected
4:2 FTS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/6/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHpA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/6/2024 <9 µg/L 9 µg/L Not Detected
PFUnA 8/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.