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Community Water System · PWS AK2340010

Nome Joint Utility System

Nome, Alaska 99762 - drinking water served from groundwater sources to 3,920 people, tracked in EPA SDWIS and UCMR5.

3,920
People served
174
EPA violations
7
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 174 drinking-water violations at Nome Joint Utility System, 4% of them health-based - below the Alaska per-system average.

174
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
3,920
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Nome Joint Utility System

Nome Joint Utility System is a native american-owned community water system that delivers drinking water to 3,920 residents in Nome, Alaska (Nome Census Area County) through 1,250 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 174 total violations for this system , of which 7 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 106 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 Consumer Confidence Rule, recorded in 7 violations (Other). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Nome Joint Utility System's 174 violations sit below 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
3,920
Total Violations
174
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
1,250
County
Nome Census Area
School/Daycare
No
MCL Violations
0
Monitoring Violations
106
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 7 2008
Coliform (TCR) MR 7 2015
Lead and Copper Rule MR 5 2018
Surface Water Treatment Rule TT 5 2001
Chlorine MR 5 2020
Gross Alpha, Excl. Radon and U MR 5 1998
TTHM MR 4 2024
Fluoride MR 4 1990
Ethylbenzene MR 3 1990
1,1,2-Trichloroethane MR 3 1990
CHLOROBENZENE MR 3 1990
Benzene MR 3 1990
Carbon tetrachloride MR 3 1990
Vinyl chloride MR 3 1990
p-Dichlorobenzene MR 3 1990
Styrene MR 3 1990
Toluene MR 3 1990
o-Dichlorobenzene MR 3 1990
1,1-Dichloroethylene MR 3 1990
trans-1,2-Dichloroethylene MR 3 1990
1,2-Dichloropropane MR 3 1990
DICHLOROMETHANE MR 3 1990
1,2-Dichloroethane MR 3 1990
Tetrachloroethylene MR 3 1990
Trichloroethylene MR 3 1990
1,1,1-Trichloroethane MR 3 1990
Nitrate MR 3 2012
cis-1,2-Dichloroethylene MR 3 1990
Arsenic MR 2 1988
Barium MR 2 1988

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 29 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeA 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpS 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/19/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/19/2025 <20.00 ppt 20.00 ppt Not Detected
4:2 FTS 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/19/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/19/2025 <4.00 ppt 4.00 ppt Not Detected
PFEESA 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/19/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/19/2025 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 8/19/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/19/2025 <6.00 ppt 6.00 ppt Not Detected
PFBS 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 8/19/2025 <8.00 ppt 8.00 ppt Not Detected
PFUnA 8/19/2025 <2.00 ppt 2.00 ppt Not Detected
PFOS 8/19/2025 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 8/19/2025 <7.00 ppt 7.00 ppt Not Detected
PFDA 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/19/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 8/19/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 8/19/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 8/19/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/19/2025 <5.00 ppt 5.00 ppt Not Detected
PFNA 8/19/2025 <4.00 ppt 4.00 ppt Not Detected

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 Nome Joint Utility 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 AK2340010 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 TTHM MR 4 SDWIS / AK2340010 / 2950
2023 Total Haloacetic Acids (HAA5) MR 2 SDWIS / AK2340010 / 2456
2020 Chlorine MR 5 SDWIS / AK2340010 / 0999
2020 Revised Total Coliform Rule MON 2 SDWIS / AK2340010 / 8000
2018 Lead and Copper Rule MR 5 SDWIS / AK2340010 / 5000
2015 Coliform (TCR) MR 7 SDWIS / AK2340010 / 3100
2012 Nitrate MR 3 SDWIS / AK2340010 / 1040
2012 Groundwater Rule TT 2 SDWIS / AK2340010 / 0700
2008 Consumer Confidence Rule Other 7 SDWIS / AK2340010 / 7000
2001 Surface Water Treatment Rule TT 5 SDWIS / AK2340010 / 0200
1998 Gross Alpha, Excl. Radon and U MR 5 SDWIS / AK2340010 / 4000
1990 Fluoride MR 4 SDWIS / AK2340010 / 1025
1990 Ethylbenzene MR 3 SDWIS / AK2340010 / 2992
1990 1,1,2-Trichloroethane MR 3 SDWIS / AK2340010 / 2985
1990 CHLOROBENZENE MR 3 SDWIS / AK2340010 / 2989

How Nome Joint Utility System Compares

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

Metric Nome Joint Utility System Alaska avg Federal benchmark
Total violations 174 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 3,920 650 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 Nome Joint Utility System water safe to drink?
Nome Joint Utility System (PWS ID: AK2340010) has 174 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,920 people using Groundwater sources.
How many people does Nome Joint Utility System serve?
Nome Joint Utility System serves 3,920 people in Nome, Alaska. It is a Native American-owned system using Groundwater water sources with 1,250 service connections.
What type of violations does Nome Joint Utility System have?
Nome Joint Utility System has 174 total violations: 7 health-based violations (MCL exceedances or treatment failures), 106 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Nome Joint Utility System water?
No. Nome Joint Utility System was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Nome Joint Utility System use?
Nome Joint Utility System 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.