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Community Water System · PWS AK2270184

Scammon Bay Water System

Scammon Bay, Alaska 99662 - drinking water served from surface water sources to 637 people, tracked in EPA SDWIS and UCMR5.

637
People served
1,869
EPA violations
61
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,869 drinking-water violations at Scammon Bay Water System, 3% of them health-based - above the Alaska per-system average.

1,869
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
637
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Scammon Bay Water System

Scammon Bay Water System is a native american-owned community water system that delivers drinking water to 637 residents in Scammon Bay, Alaska (Wade Hampton Census Area County) through 97 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 1,869 total violations for this system , of which 61 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1,455 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 Surface Water Treatment Rule, recorded in 316 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 Alaska, EPA tracks 1,326 public water systems serving 862,218 people, with 267,144 cumulative violations and 13,963 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 201.5 violations. Statewide, 10 of 30 UCMR5-tested systems have reported PFAS detections (33.3%).

Scammon Bay Water System's 1,869 violations sit above the Alaska 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
637
Total Violations
1,869
Health-Based Violations
61
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
97
County
Wade Hampton Census Area
School/Daycare
No
MCL Violations
25
Monitoring Violations
1,455
Treatment Tech Violations
36

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 316 2025
Coliform (TCR) MR 138 2016
Chlorine MR 88 2025
Interim Enhanced Surface Water Treatment Rule MR 55 2025
Revised Total Coliform Rule MON 35 2025
Surface Water Treatment Rule TT 32 2022
Nitrate MR 31 2022
Coliform (TCR) MCL 25 2011
Total Haloacetic Acids (HAA5) MR 24 2024
E. COLI MR 24 2021
TTHM MR 23 2024
Mercury MR 20 2010
Selenium MR 20 2010
Barium MR 20 2010
Chromium MR 20 2010
Fluoride MR 20 2010
Cadmium MR 20 2010
Gross Alpha, Excl. Radon and U MR 19 2003
p-Dichlorobenzene MR 18 2020
1,1,1-Trichloroethane MR 18 2020
1,1-Dichloroethylene MR 18 2020
Trichloroethylene MR 18 2020
Carbon tetrachloride MR 18 2020
1,2-Dichloroethane MR 18 2020
Benzene MR 18 2020
Arsenic MR 17 2005
Lead and Copper Rule MR 17 2025
Xylenes, Total MR 17 2020
o-Dichlorobenzene MR 17 2020
Styrene MR 17 2020

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 Scammon Bay Water System.

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 AK2270184 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Alaska Drinking Water Authority

Alaska'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 AK 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 Surface Water Treatment Rule MR 316 SDWIS / AK2270184 / 0200
2025 Chlorine MR 88 SDWIS / AK2270184 / 0999
2025 Interim Enhanced Surface Water Treatment Rule MR 55 SDWIS / AK2270184 / 0300
2025 Revised Total Coliform Rule MON 35 SDWIS / AK2270184 / 8000
2025 Lead and Copper Rule MR 17 SDWIS / AK2270184 / 5000
2024 Total Haloacetic Acids (HAA5) MR 24 SDWIS / AK2270184 / 2456
2024 TTHM MR 23 SDWIS / AK2270184 / 2950
2024 Interim Enhanced Surface Water Treatment Rule TT 4 SDWIS / AK2270184 / 0300
2022 Surface Water Treatment Rule TT 32 SDWIS / AK2270184 / 0200
2022 Nitrate MR 31 SDWIS / AK2270184 / 1040
2022 Public Notice Other 1 SDWIS / AK2270184 / 7500
2021 E. COLI MR 24 SDWIS / AK2270184 / 3014
2021 Consumer Confidence Rule Other 16 SDWIS / AK2270184 / 7000
2020 p-Dichlorobenzene MR 18 SDWIS / AK2270184 / 2969
2020 1,1,1-Trichloroethane MR 18 SDWIS / AK2270184 / 2981

How Scammon Bay Water System Compares

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

Metric Scammon Bay Water System Alaska avg Federal benchmark
Total violations 1,869 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 61 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 33.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 637 650 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,326 regulated public water systems in Alaska.

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 Scammon Bay Water System water safe to drink?
Scammon Bay Water System (PWS ID: AK2270184) has 1869 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 637 people using Surface Water sources.
How many people does Scammon Bay Water System serve?
Scammon Bay Water System serves 637 people in Scammon Bay, Alaska. It is a Native American-owned system using Surface Water water sources with 97 service connections.
What type of violations does Scammon Bay Water System have?
Scammon Bay Water System has 1,869 total violations: 61 health-based violations (MCL exceedances or treatment failures), 1,455 monitoring/reporting violations, and 36 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Scammon Bay Water System water?
No PFAS testing data is available for Scammon Bay Water System under the EPA's UCMR5 monitoring program.
What water source does Scammon Bay Water System use?
Scammon Bay Water System uses Surface Water 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.