PlainWater

Community Water System · PWS AS9630243

Tau-Faleasao ASG

Pago Pago, American Samoa 96799 - drinking water served from groundwater sources to 236 people, tracked in EPA SDWIS and UCMR5.

236
People served
262
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 262 drinking-water violations at Tau-Faleasao ASG, 3% of them health-based - above the American Samoa per-system average.

262
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
236
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Tau-Faleasao ASG

Tau-Faleasao ASG is a state-owned community water system that delivers drinking water to 236 residents in Pago Pago, American Samoa (Manu'a District County) through 81 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 262 total violations for this system , of which 9 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 192 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 21 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across American Samoa, EPA tracks 91 public water systems serving 50,626 people, with 1,883 cumulative violations and 238 health-based violations on record. About 22% of systems in the state carry at least one violation, and state-wide the average per system is 20.7 violations. Statewide, 1 of 1 UCMR5-tested systems have reported PFAS detections (100%).

Tau-Faleasao ASG's 262 violations sit above the American Samoa average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
236
Total Violations
262
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
State
Connections
81
County
Manu'a District
School/Daycare
No
MCL Violations
6
Monitoring Violations
192
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 21 2014
Consumer Confidence Rule Other 11 2024
Gross Alpha, Excl. Radon and U MR 7 2014
Combined Uranium MR 7 2014
Combined Radium (-226 and -228) MR 7 2014
Coliform (TCR) MCL 5 2003
Total Haloacetic Acids (HAA5) MR 4 2025
Nitrate MR 4 2023
TTHM MR 4 2025
Nitrite MR 3 2025
Revised Total Coliform Rule MON 3 2023
Groundwater Rule TT 3 2017
Asbestos MR 3 2025
Arsenic MR 2 2014
Barium MR 2 2014
Cadmium MR 2 2014
Chromium MR 2 2014
Fluoride MR 2 2014
Mercury MR 2 2014
Antimony, Total MR 2 2014
Beryllium, Total MR 2 2014
Thallium, Total MR 2 2014
Endrin MR 2 2014
BHC-GAMMA MR 2 2014
Methoxychlor MR 2 2014
Toxaphene MR 2 2014
Dalapon MR 2 2014
Diquat MR 2 2014
Endothall MR 2 2014
Glyphosate MR 2 2014

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Tau-Faleasao ASG.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AS9630243 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

American Samoa Drinking Water Authority

American Samoa's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find AS regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Total Haloacetic Acids (HAA5) MR 4 SDWIS / AS9630243 / 2456
2025 TTHM MR 4 SDWIS / AS9630243 / 2950
2025 Nitrite MR 3 SDWIS / AS9630243 / 1041
2025 Asbestos MR 3 SDWIS / AS9630243 / 1094
2025 Chlorine MR 2 SDWIS / AS9630243 / 0999
2024 Consumer Confidence Rule Other 11 SDWIS / AS9630243 / 7000
2023 Nitrate MR 4 SDWIS / AS9630243 / 1040
2023 Revised Total Coliform Rule MON 3 SDWIS / AS9630243 / 8000
2020 Public Notice Other 1 SDWIS / AS9630243 / 7500
2017 Groundwater Rule TT 3 SDWIS / AS9630243 / 0700
2016 Revised Total Coliform Rule MCL 1 SDWIS / AS9630243 / 8000
2014 Coliform (TCR) MR 21 SDWIS / AS9630243 / 3100
2014 Gross Alpha, Excl. Radon and U MR 7 SDWIS / AS9630243 / 4000
2014 Combined Uranium MR 7 SDWIS / AS9630243 / 4006
2014 Combined Radium (-226 and -228) MR 7 SDWIS / AS9630243 / 4010

How Tau-Faleasao ASG Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Tau-Faleasao ASG American Samoa avg Federal benchmark
Total violations 262 20.7 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 2.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 100% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 236 556 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 91 regulated public water systems in American Samoa.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Tau-Faleasao ASG water safe to drink?
Tau-Faleasao ASG (PWS ID: AS9630243) has 262 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 236 people using Groundwater sources.
How many people does Tau-Faleasao ASG serve?
Tau-Faleasao ASG serves 236 people in Pago Pago, American Samoa. It is a State-owned system using Groundwater water sources with 81 service connections.
What type of violations does Tau-Faleasao ASG have?
Tau-Faleasao ASG has 262 total violations: 9 health-based violations (MCL exceedances or treatment failures), 192 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Tau-Faleasao ASG water?
No PFAS testing data is available for Tau-Faleasao ASG under the EPA's UCMR5 monitoring program.
What water source does Tau-Faleasao ASG use?
Tau-Faleasao ASG uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.