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Community Water System · PWS AK2270281

Eek Water System

Eek, Alaska 99578 - drinking water served from surface water sources to 280 people, tracked in EPA SDWIS and UCMR5.

280
People served
1,436
EPA violations
48
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 1,436 drinking-water violations at Eek Water System, 3% of them health-based - above the Alaska per-system average.

1,436
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
280
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Eek Water System

Eek Water System is a native american-owned community water system that delivers drinking water to 280 residents in Eek, Alaska (Bethel Census Area County) through 220 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 1,436 total violations for this system , of which 48 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1,227 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 178 violations (MR). 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%).

Eek Water System's 1,436 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
280
Total Violations
1,436
Health-Based Violations
48
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
220
County
Bethel Census Area
School/Daycare
No
MCL Violations
1
Monitoring Violations
1,227
Treatment Tech Violations
47

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 178 2025
Coliform (TCR) MR 49 2014
Interim Enhanced Surface Water Treatment Rule MR 47 2025
Surface Water Treatment Rule TT 46 2022
Nitrate MR 25 2023
Lead and Copper Rule MR 25 2025
2,4-D MR 19 2016
2,4,5-TP MR 19 2016
Toxaphene MR 19 2016
BHC-GAMMA MR 19 2016
Methoxychlor MR 19 2016
Endrin MR 19 2016
p-Dichlorobenzene MR 18 2023
Trichloroethylene MR 18 2023
Benzene MR 18 2023
1,2-Dichloroethane MR 18 2023
Carbon tetrachloride MR 18 2023
1,1-Dichloroethylene MR 18 2023
1,1,1-Trichloroethane MR 18 2023
DICHLOROMETHANE MR 16 2023
Ethylbenzene MR 16 2023
cis-1,2-Dichloroethylene MR 16 2023
1,1,2-Trichloroethane MR 16 2023
Xylenes, Total MR 16 2023
o-Dichlorobenzene MR 16 2023
Tetrachloroethylene MR 16 2023
Styrene MR 16 2023
trans-1,2-Dichloroethylene MR 16 2023
1,2,4-Trichlorobenzene MR 16 2023
Toluene MR 16 2023

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/15/2025 <2.00 ppt 2.00 ppt Not Detected
PFBA 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/15/2025 <7.00 ppt 7.00 ppt Not Detected
PFDA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 7/15/2025 <6.00 ppt 6.00 ppt Not Detected
PFTA 7/15/2025 <8.00 ppt 8.00 ppt Not Detected
PFMBA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFDoA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFEESA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/15/2025 <20.00 ppt 20.00 ppt Not Detected
PFHpS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeS 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 7/15/2025 <2.00 ppt 2.00 ppt Not Detected
PFMPA 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFMBA 6/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 6/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpS 6/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 6/16/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 6/16/2025 <20.00 ppt 20.00 ppt Not Detected
PFEESA 6/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 6/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 6/16/2025 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 6/16/2025 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 6/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxS 6/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 6/16/2025 <8.00 ppt 8.00 ppt Not Detected
PFNA 6/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 6/16/2025 <7.00 ppt 7.00 ppt Not Detected
ADONA 6/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 6/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFOA 6/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 6/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 6/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 6/16/2025 <2.00 ppt 2.00 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 Eek 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 AK2270281 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 178 SDWIS / AK2270281 / 0200
2025 Interim Enhanced Surface Water Treatment Rule MR 47 SDWIS / AK2270281 / 0300
2025 Lead and Copper Rule MR 25 SDWIS / AK2270281 / 5000
2025 Total Haloacetic Acids (HAA5) MR 9 SDWIS / AK2270281 / 2456
2025 TTHM MR 7 SDWIS / AK2270281 / 2950
2024 Revised Total Coliform Rule MON 15 SDWIS / AK2270281 / 8000
2024 Chlorine MR 14 SDWIS / AK2270281 / 0999
2023 Nitrate MR 25 SDWIS / AK2270281 / 1040
2023 p-Dichlorobenzene MR 18 SDWIS / AK2270281 / 2969
2023 Trichloroethylene MR 18 SDWIS / AK2270281 / 2984
2023 Benzene MR 18 SDWIS / AK2270281 / 2990
2023 1,2-Dichloroethane MR 18 SDWIS / AK2270281 / 2980
2023 Carbon tetrachloride MR 18 SDWIS / AK2270281 / 2982
2023 1,1-Dichloroethylene MR 18 SDWIS / AK2270281 / 2977
2023 1,1,1-Trichloroethane MR 18 SDWIS / AK2270281 / 2981

How Eek Water System Compares

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

Metric Eek Water System Alaska avg Federal benchmark
Total violations 1,436 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 48 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 280 650 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 Eek Water System water safe to drink?
Eek Water System (PWS ID: AK2270281) has 1436 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 280 people using Surface Water sources.
How many people does Eek Water System serve?
Eek Water System serves 280 people in Eek, Alaska. It is a Native American-owned system using Surface Water water sources with 220 service connections.
What type of violations does Eek Water System have?
Eek Water System has 1,436 total violations: 48 health-based violations (MCL exceedances or treatment failures), 1,227 monitoring/reporting violations, and 47 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Eek Water System water?
No. Eek Water System was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Eek Water System use?
Eek 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. 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.