PlainWater

Community Water System · PWS AK2340337

St. Michael Water System

St. Michael, Alaska 99659 - drinking water served from surface water sources to 495 people, tracked in EPA SDWIS and UCMR5.

495
People served
818
EPA violations
97
Health-based
Untested
UCMR5 result

The verdict

EPA records 818 drinking-water violations at St. Michael Water System, 12% of them health-based - above the Alaska per-system average.

818
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
495
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: St. Michael Water System

St. Michael Water System is a native american-owned community water system that delivers drinking water to 495 residents in St. Michael, Alaska (Nome Census Area County) through 91 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 818 total violations for this system , of which 97 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 605 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 149 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%).

St. Michael Water System's 818 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
495
Total Violations
818
Health-Based Violations
97
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
91
County
Nome Census Area
School/Daycare
No
MCL Violations
0
Monitoring Violations
605
Treatment Tech Violations
97

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 149 2024
Surface Water Treatment Rule TT 95 2022
Coliform (TCR) MR 40 2015
Consumer Confidence Rule Other 20 2019
Interim Enhanced Surface Water Treatment Rule MR 15 2022
Chlorine MR 14 2024
Xylenes, Total MR 12 2017
Revised Total Coliform Rule MON 12 2024
Lead and Copper Rule MR 11 2023
Toluene MR 10 2017
p-Dichlorobenzene MR 9 2017
Carbon tetrachloride MR 9 2017
CHLOROBENZENE MR 9 2017
Styrene MR 9 2017
Ethylbenzene MR 9 2017
cis-1,2-Dichloroethylene MR 9 2017
1,2-Dichloroethane MR 9 2017
1,1,1-Trichloroethane MR 9 2017
o-Dichlorobenzene MR 9 2017
1,2-Dichloropropane MR 9 2017
trans-1,2-Dichloroethylene MR 9 2017
1,1-Dichloroethylene MR 9 2017
2,4-D MR 9 1995
Toxaphene MR 9 1995
Methoxychlor MR 9 1995
2,4,5-TP MR 9 1995
BHC-GAMMA MR 9 1995
Tetrachloroethylene MR 9 2017
Trichloroethylene MR 9 2017
Benzene MR 9 2017

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 St. Michael 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 AK2340337 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
2024 Surface Water Treatment Rule MR 149 SDWIS / AK2340337 / 0200
2024 Chlorine MR 14 SDWIS / AK2340337 / 0999
2024 Revised Total Coliform Rule MON 12 SDWIS / AK2340337 / 8000
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / AK2340337 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / AK2340337 / 5200
2023 Lead and Copper Rule MR 11 SDWIS / AK2340337 / 5000
2022 Surface Water Treatment Rule TT 95 SDWIS / AK2340337 / 0200
2022 Interim Enhanced Surface Water Treatment Rule MR 15 SDWIS / AK2340337 / 0300
2021 TTHM MR 6 SDWIS / AK2340337 / 2950
2021 Total Haloacetic Acids (HAA5) MR 6 SDWIS / AK2340337 / 2456
2019 Consumer Confidence Rule Other 20 SDWIS / AK2340337 / 7000
2017 Xylenes, Total MR 12 SDWIS / AK2340337 / 2955
2017 Toluene MR 10 SDWIS / AK2340337 / 2991
2017 p-Dichlorobenzene MR 9 SDWIS / AK2340337 / 2969
2017 Carbon tetrachloride MR 9 SDWIS / AK2340337 / 2982

How St. Michael Water System Compares

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

Metric St. Michael Water System Alaska avg Federal benchmark
Total violations 818 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 97 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 495 650 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 St. Michael Water System water safe to drink?
St. Michael Water System (PWS ID: AK2340337) has 818 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 495 people using Surface Water sources.
How many people does St. Michael Water System serve?
St. Michael Water System serves 495 people in St. Michael, Alaska. It is a Native American-owned system using Surface Water water sources with 91 service connections.
What type of violations does St. Michael Water System have?
St. Michael Water System has 818 total violations: 97 health-based violations (MCL exceedances or treatment failures), 605 monitoring/reporting violations, and 97 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in St. Michael Water System water?
No PFAS testing data is available for St. Michael Water System under the EPA's UCMR5 monitoring program.
What water source does St. Michael Water System use?
St. Michael 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.