PlainWater

Non-Transient Non-Community Water System · PWS AK2261575

L&psd Port Alsworth School

King Salmon, Alaska 99613-0498 - drinking water served from groundwater sources to 80 people, tracked in EPA SDWIS and UCMR5.

80
People served
65
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 65 drinking-water violations at L&psd Port Alsworth School, 2% of them health-based - below the Alaska per-system average.

65
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
80
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: L&psd Port Alsworth School

L&psd Port Alsworth School is a state-owned non-transient non-community water system that delivers drinking water to 80 residents in King Salmon, Alaska (Lake and Peninsula Borough County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 65 total violations for this system , of which 1 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 60 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 Revised Total Coliform Rule, recorded in 4 violations (MON). 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%).

L&psd Port Alsworth School's 65 violations sit below 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
65
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
State
Connections
4
County
Lake and Peninsula Borough
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
60
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 4 2024
Coliform (TCR) MR 2 2015
Endrin MR 1 2013
OXAMYL MR 1 2013
Arsenic MR 1 2020
Nitrate MR 1 2023
Simazine MR 1 2013
Lead and Copper Rule MR 1 2025
Di(2-ethylhexyl) phthalate MR 1 2013
Dinoseb MR 1 2013
Hexachlorocyclopentadiene MR 1 2013
Carbofuran MR 1 2013
2,3,7,8-TCDD MR 1 2013
Heptachlor MR 1 2013
Heptachlor epoxide MR 1 2013
2,4-D MR 1 2013
2,4,5-TP MR 1 2013
HEXACHLOROBENZENE MR 1 2013
Pentachlorophenol MR 1 2013
Total Polychlorinated Biphenyls (PCB) MR 1 2013
ETHYLENE DIBROMIDE MR 1 2013
Toxaphene MR 1 2013
Dalapon MR 1 2013
Endothall MR 1 2013
Trichloroethylene MR 1 2025
DICHLOROMETHANE MR 1 2025
cis-1,2-Dichloroethylene MR 1 2025
1,2-Dichloropropane MR 1 2025
trans-1,2-Dichloroethylene MR 1 2025
1,1-Dichloroethylene MR 1 2025

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 L&psd Port Alsworth School.

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 AK2261575 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 Lead and Copper Rule MR 1 SDWIS / AK2261575 / 5000
2025 Trichloroethylene MR 1 SDWIS / AK2261575 / 2984
2025 DICHLOROMETHANE MR 1 SDWIS / AK2261575 / 2964
2025 cis-1,2-Dichloroethylene MR 1 SDWIS / AK2261575 / 2380
2025 1,2-Dichloropropane MR 1 SDWIS / AK2261575 / 2983
2025 trans-1,2-Dichloroethylene MR 1 SDWIS / AK2261575 / 2979
2025 1,1-Dichloroethylene MR 1 SDWIS / AK2261575 / 2977
2025 1,1,1-Trichloroethane MR 1 SDWIS / AK2261575 / 2981
2025 o-Dichlorobenzene MR 1 SDWIS / AK2261575 / 2968
2025 1,2-Dichloroethane MR 1 SDWIS / AK2261575 / 2980
2025 Toluene MR 1 SDWIS / AK2261575 / 2991
2025 Styrene MR 1 SDWIS / AK2261575 / 2996
2025 Vinyl chloride MR 1 SDWIS / AK2261575 / 2976
2025 Benzene MR 1 SDWIS / AK2261575 / 2990
2025 Tetrachloroethylene MR 1 SDWIS / AK2261575 / 2987

How L&psd Port Alsworth School Compares

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

Metric L&psd Port Alsworth School Alaska avg Federal benchmark
Total violations 65 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 L&psd Port Alsworth School water safe to drink?
L&psd Port Alsworth School (PWS ID: AK2261575) has 65 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 L&psd Port Alsworth School serve?
L&psd Port Alsworth School serves 80 people in King Salmon, Alaska. It is a State-owned system using Groundwater water sources with 4 service connections.
What type of violations does L&psd Port Alsworth School have?
L&psd Port Alsworth School has 65 total violations: 1 health-based violations (MCL exceedances or treatment failures), 60 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in L&psd Port Alsworth School water?
No PFAS testing data is available for L&psd Port Alsworth School under the EPA's UCMR5 monitoring program.
What water source does L&psd Port Alsworth School use?
L&psd Port Alsworth School uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.