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Community Water System · PWS AK2360230

Beaver Water System

Beaver, Alaska 99724 - drinking water served from groundwater sources to 80 people, tracked in EPA SDWIS and UCMR5.

80
People served
992
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 992 drinking-water violations at Beaver Water System, 1% of them health-based - above the Alaska per-system average.

992
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
80
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Beaver Water System

Beaver Water System is a native american-owned community water system that delivers drinking water to 80 residents in Beaver, Alaska (Yukon-Koyukuk Census Area County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 992 total violations for this system , of which 7 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 840 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 Coliform (TCR), recorded in 137 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%).

Beaver Water System's 992 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
80
Total Violations
992
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
4
County
Yukon-Koyukuk Census Area
School/Daycare
No
MCL Violations
6
Monitoring Violations
840
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 137 2010
Chlorine MR 79 2025
Lead and Copper Rule MR 29 2024
Consumer Confidence Rule Other 21 2024
Ethylbenzene MR 19 2020
1,2-Dichloroethane MR 16 2020
Benzene MR 16 2020
1,1-Dichloroethylene MR 16 2020
Carbon tetrachloride MR 16 2020
p-Dichlorobenzene MR 16 2020
1,1,1-Trichloroethane MR 16 2020
Trichloroethylene MR 16 2020
Nitrate MR 13 2022
Vinyl chloride MR 12 2020
Revised Total Coliform Rule MON 12 2025
Pentachlorophenol MR 11 2010
Heptachlor epoxide MR 11 2010
ETHYLENE DIBROMIDE MR 11 2010
Chlordane MR 11 2010
2,4,5-TP MR 11 2010
2,4-D MR 11 2010
Toxaphene MR 11 2010
BHC-GAMMA MR 11 2010
DICHLOROMETHANE MR 11 2020
1,1,2-Trichloroethane MR 11 2020
Xylenes, Total MR 11 2020
o-Dichlorobenzene MR 11 2020
Toluene MR 11 2020
Styrene MR 11 2020
1,2-Dichloropropane MR 11 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 Beaver 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 AK2360230 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 Chlorine MR 79 SDWIS / AK2360230 / 0999
2025 Revised Total Coliform Rule MON 12 SDWIS / AK2360230 / 8000
2024 Lead and Copper Rule MR 29 SDWIS / AK2360230 / 5000
2024 Consumer Confidence Rule Other 21 SDWIS / AK2360230 / 7000
2023 Public Notice Other 2 SDWIS / AK2360230 / 7500
2022 Nitrate MR 13 SDWIS / AK2360230 / 1040
2021 Total Haloacetic Acids (HAA5) MR 7 SDWIS / AK2360230 / 2456
2021 TTHM MR 7 SDWIS / AK2360230 / 2950
2020 Ethylbenzene MR 19 SDWIS / AK2360230 / 2992
2020 1,2-Dichloroethane MR 16 SDWIS / AK2360230 / 2980
2020 Benzene MR 16 SDWIS / AK2360230 / 2990
2020 1,1-Dichloroethylene MR 16 SDWIS / AK2360230 / 2977
2020 Carbon tetrachloride MR 16 SDWIS / AK2360230 / 2982
2020 p-Dichlorobenzene MR 16 SDWIS / AK2360230 / 2969
2020 1,1,1-Trichloroethane MR 16 SDWIS / AK2360230 / 2981

How Beaver Water System Compares

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

Metric Beaver Water System Alaska avg Federal benchmark
Total violations 992 201.5 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 80 650 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 Beaver Water System water safe to drink? ▼
Beaver Water System (PWS ID: AK2360230) has 992 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 80 people using Groundwater sources.
How many people does Beaver Water System serve? ▼
Beaver Water System serves 80 people in Beaver, Alaska. It is a Native American-owned system using Groundwater water sources with 4 service connections.
What type of violations does Beaver Water System have? ▼
Beaver Water System has 992 total violations: 7 health-based violations (MCL exceedances or treatment failures), 840 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Beaver Water System water? ▼
No PFAS testing data is available for Beaver Water System under the EPA's UCMR5 monitoring program.
What water source does Beaver Water System use? ▼
Beaver Water 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. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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.