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Community Water System · PWS AK2260812

Igiugig Water System

Igiugig, Alaska 99613 - drinking water served from surface water sources to 100 people, tracked in EPA SDWIS and UCMR5.

100
People served
451
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 451 drinking-water violations at Igiugig Water System, 1% of them health-based - above the Alaska per-system average.

451
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
100
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Igiugig Water System

Igiugig Water System is a native american-owned community water system that delivers drinking water to 100 residents in Igiugig, Alaska (Lake and Peninsula Borough County) through 16 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 451 total violations for this system , of which 5 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 401 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 Chlorine, 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 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%).

Igiugig Water System's 451 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
100
Total Violations
451
Health-Based Violations
5
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
16
County
Lake and Peninsula Borough
School/Daycare
No
MCL Violations
4
Monitoring Violations
401
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 21 2024
Coliform (TCR) MR 16 2015
Toluene MR 15 2017
Ethylbenzene MR 15 2017
cis-1,2-Dichloroethylene MR 15 2017
Trichloroethylene MR 15 2017
DICHLOROMETHANE MR 15 2017
Benzene MR 15 2017
1,2-Dichloropropane MR 15 2017
1,2-Dichloroethane MR 15 2017
Xylenes, Total MR 15 2017
1,1,2-Trichloroethane MR 15 2017
Carbon tetrachloride MR 15 2017
CHLOROBENZENE MR 15 2017
p-Dichlorobenzene MR 15 2017
Tetrachloroethylene MR 15 2017
1,2,4-Trichlorobenzene MR 14 2017
Styrene MR 14 2017
trans-1,2-Dichloroethylene MR 14 2017
1,1-Dichloroethylene MR 14 2017
o-Dichlorobenzene MR 14 2017
1,1,1-Trichloroethane MR 14 2017
Vinyl chloride MR 13 2017
Nitrate MR 10 2016
Lead and Copper Rule MR 10 2008
Interim Enhanced Surface Water Treatment Rule MR 7 2020
Surface Water Treatment Rule MR 7 2024
Consumer Confidence Rule Other 5 2016
Arsenic MCL 4 2012
Revised Total Coliform Rule MON 3 2024

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 Igiugig 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 AK2260812 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 Chlorine MR 21 SDWIS / AK2260812 / 0999
2024 Surface Water Treatment Rule MR 7 SDWIS / AK2260812 / 0200
2024 Revised Total Coliform Rule MON 3 SDWIS / AK2260812 / 8000
2023 E. COLI MR 2 SDWIS / AK2260812 / 3014
2023 Long Term 2 Enhanced Surface Water Treatment Rule MR 1 SDWIS / AK2260812 / 0800
2020 Interim Enhanced Surface Water Treatment Rule MR 7 SDWIS / AK2260812 / 0300
2017 Toluene MR 15 SDWIS / AK2260812 / 2991
2017 Ethylbenzene MR 15 SDWIS / AK2260812 / 2992
2017 cis-1,2-Dichloroethylene MR 15 SDWIS / AK2260812 / 2380
2017 Trichloroethylene MR 15 SDWIS / AK2260812 / 2984
2017 DICHLOROMETHANE MR 15 SDWIS / AK2260812 / 2964
2017 Benzene MR 15 SDWIS / AK2260812 / 2990
2017 1,2-Dichloropropane MR 15 SDWIS / AK2260812 / 2983
2017 1,2-Dichloroethane MR 15 SDWIS / AK2260812 / 2980
2017 Xylenes, Total MR 15 SDWIS / AK2260812 / 2955

How Igiugig Water System Compares

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

Metric Igiugig Water System Alaska avg Federal benchmark
Total violations 451 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 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 100 650 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 Igiugig Water System water safe to drink?
Igiugig Water System (PWS ID: AK2260812) has 451 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Surface Water sources.
How many people does Igiugig Water System serve?
Igiugig Water System serves 100 people in Igiugig, Alaska. It is a Native American-owned system using Surface Water water sources with 16 service connections.
What type of violations does Igiugig Water System have?
Igiugig Water System has 451 total violations: 5 health-based violations (MCL exceedances or treatment failures), 401 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Igiugig Water System water?
No PFAS testing data is available for Igiugig Water System under the EPA's UCMR5 monitoring program.
What water source does Igiugig Water System use?
Igiugig 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.