PlainWater

Community Water System · PWS AK2250045

Port Lions

Port Lions, Alaska 99550 - drinking water served from surface water sources to 175 people, tracked in EPA SDWIS and UCMR5.

175
People served
905
EPA violations
44
Health-based
Untested
UCMR5 result

The verdict

EPA records 905 drinking-water violations at Port Lions, 5% of them health-based - above the Alaska per-system average.

905
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
175
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Port Lions

Port Lions is a native american-owned community water system that delivers drinking water to 175 residents in Port Lions, Alaska (Kodiak Island Borough County) through 138 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 905 total violations for this system , of which 44 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 754 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 42 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%).

Port Lions's 905 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
175
Total Violations
905
Health-Based Violations
44
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
138
County
Kodiak Island Borough
School/Daycare
No
MCL Violations
1
Monitoring Violations
754
Treatment Tech Violations
43

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 42 2025
Surface Water Treatment Rule TT 41 2023
Nitrate MR 30 2003
Coliform (TCR) MR 28 2007
1,2-Dichloroethane MR 22 2024
Carbon tetrachloride MR 21 2024
Ethylbenzene MR 21 2024
1,2-Dichloropropane MR 21 2024
trans-1,2-Dichloroethylene MR 21 2024
1,1-Dichloroethylene MR 21 2024
Trichloroethylene MR 21 2024
Benzene MR 21 2024
p-Dichlorobenzene MR 21 2024
1,1,1-Trichloroethane MR 21 2024
Xylenes, Total MR 20 2024
o-Dichlorobenzene MR 20 2024
CHLOROBENZENE MR 20 2024
Toluene MR 20 2024
Tetrachloroethylene MR 20 2024
Styrene MR 20 2024
Chlorine MR 20 2025
cis-1,2-Dichloroethylene MR 19 2024
1,2,4-Trichlorobenzene MR 15 2024
1,1,2-Trichloroethane MR 15 2024
DICHLOROMETHANE MR 14 2024
Chlordane MR 12 1995
Thallium, Total MR 11 2011
Nickel MR 10 2011
CYANIDE MR 10 2011
Antimony, Total MR 10 2011

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 Port Lions.

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 AK2250045 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 42 SDWIS / AK2250045 / 0200
2025 Chlorine MR 20 SDWIS / AK2250045 / 0999
2025 Revised Total Coliform Rule MON 9 SDWIS / AK2250045 / 8000
2024 1,2-Dichloroethane MR 22 SDWIS / AK2250045 / 2980
2024 Carbon tetrachloride MR 21 SDWIS / AK2250045 / 2982
2024 Ethylbenzene MR 21 SDWIS / AK2250045 / 2992
2024 1,2-Dichloropropane MR 21 SDWIS / AK2250045 / 2983
2024 trans-1,2-Dichloroethylene MR 21 SDWIS / AK2250045 / 2979
2024 1,1-Dichloroethylene MR 21 SDWIS / AK2250045 / 2977
2024 Trichloroethylene MR 21 SDWIS / AK2250045 / 2984
2024 Benzene MR 21 SDWIS / AK2250045 / 2990
2024 p-Dichlorobenzene MR 21 SDWIS / AK2250045 / 2969
2024 1,1,1-Trichloroethane MR 21 SDWIS / AK2250045 / 2981
2024 Xylenes, Total MR 20 SDWIS / AK2250045 / 2955
2024 o-Dichlorobenzene MR 20 SDWIS / AK2250045 / 2968

How Port Lions Compares

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

Metric Port Lions Alaska avg Federal benchmark
Total violations 905 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 44 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 175 650 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 Port Lions water safe to drink?
Port Lions (PWS ID: AK2250045) has 905 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 175 people using Surface Water sources.
How many people does Port Lions serve?
Port Lions serves 175 people in Port Lions, Alaska. It is a Native American-owned system using Surface Water water sources with 138 service connections.
What type of violations does Port Lions have?
Port Lions has 905 total violations: 44 health-based violations (MCL exceedances or treatment failures), 754 monitoring/reporting violations, and 43 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Port Lions water?
No PFAS testing data is available for Port Lions under the EPA's UCMR5 monitoring program.
What water source does Port Lions use?
Port Lions 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.