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TOGIAK WATER SYSTEM

PWS ID: AK2260325 · TOGIAK, Alaska 99678-0270

TOGIAK WATER SYSTEM serves 910 people in TOGIAK, Alaska using Groundwater water sources. It has 588 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: TOGIAK WATER SYSTEM

TOGIAK WATER SYSTEM is a native american-owned community water system that delivers drinking water to 910 residents in TOGIAK, Alaska (Dillingham Census Area County) through 250 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 588 total violations for this system , of which 2 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 495 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 Benzene, recorded in 16 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. TOGIAK WATER SYSTEM's 588 violations sit above the Alaska average. Statewide, 10 of 30 UCMR5-tested systems have reported PFAS detections (33.3%). 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
910
Total Violations
588
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
250
County
Dillingham Census Area
School/Daycare
No
MCL Violations
2
Monitoring Violations
495
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Benzene MR 16 1991
1,1,1-Trichloroethane MR 16 1991
cis-1,2-Dichloroethylene MR 16 1991
1,2-Dichloropropane MR 16 1991
Ethylbenzene MR 16 1991
Styrene MR 16 1991
1,1,2-Trichloroethane MR 16 1991
Toluene MR 16 1991
DICHLOROMETHANE MR 16 1991
o-Dichlorobenzene MR 16 1991
1,2-Dichloroethane MR 16 1991
Trichloroethylene MR 16 1991
1,1-Dichloroethylene MR 16 1991
p-Dichlorobenzene MR 16 1991
trans-1,2-Dichloroethylene MR 16 1991
Tetrachloroethylene MR 16 1991
CHLOROBENZENE MR 16 1991
Carbon tetrachloride MR 16 1991
Vinyl chloride MR 16 1991
1,2,4-Trichlorobenzene MR 15 1991
Coliform (TCR) MR 11 2012
Chlorine MR 9 2012
Nitrate MR 6 2017
Lead and Copper Rule MR 4 2024
Endrin MR 4 2010
BHC-GAMMA MR 4 2010
Toxaphene MR 4 2010
Endothall MR 4 2010
Glyphosate MR 4 2010
Di(2-ethylhexyl) adipate MR 4 2010

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 TOGIAK 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 AK2260325 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 Lead and Copper Rule MR 4 SDWIS / AK2260325 / 5000
2019 Consumer Confidence Rule Other 1 SDWIS / AK2260325 / 7000
2017 Nitrate MR 6 SDWIS / AK2260325 / 1040
2013 Total Haloacetic Acids (HAA5) MR 1 SDWIS / AK2260325 / 2456
2013 TTHM MR 1 SDWIS / AK2260325 / 2950
2012 Coliform (TCR) MR 11 SDWIS / AK2260325 / 3100
2012 Chlorine MR 9 SDWIS / AK2260325 / 0999
2012 Arsenic MCL 2 SDWIS / AK2260325 / 1005
2010 Endrin MR 4 SDWIS / AK2260325 / 2005
2010 BHC-GAMMA MR 4 SDWIS / AK2260325 / 2010
2010 Toxaphene MR 4 SDWIS / AK2260325 / 2020
2010 Endothall MR 4 SDWIS / AK2260325 / 2033
2010 Glyphosate MR 4 SDWIS / AK2260325 / 2034
2010 Di(2-ethylhexyl) adipate MR 4 SDWIS / AK2260325 / 2035
2010 OXAMYL MR 4 SDWIS / AK2260325 / 2036

How TOGIAK WATER SYSTEM Compares

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

Metric TOGIAK WATER SYSTEM Alaska avg Federal benchmark
Total violations 588 201.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 2 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 910 650 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is TOGIAK WATER SYSTEM water safe to drink? ▼
TOGIAK WATER SYSTEM (PWS ID: AK2260325) has 588 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 910 people using Groundwater sources.
How many people does TOGIAK WATER SYSTEM serve? ▼
TOGIAK WATER SYSTEM serves 910 people in TOGIAK, Alaska. It is a Native American-owned system using Groundwater water sources with 250 service connections.
What type of violations does TOGIAK WATER SYSTEM have? ▼
TOGIAK WATER SYSTEM has 588 total violations: 2 health-based violations (MCL exceedances or treatment failures), 495 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in TOGIAK WATER SYSTEM water? ▼
No PFAS testing data is available for TOGIAK WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does TOGIAK WATER SYSTEM use? ▼
TOGIAK 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial