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Community Water System · PWS AK2320256

Nsbu - Point Lay

Anchorage, Alaska 99518 - drinking water served from surface water sources to 237 people, tracked in EPA SDWIS and UCMR5.

237
People served
381
EPA violations
32
Health-based
Untested
UCMR5 result

The verdict

EPA records 381 drinking-water violations at Nsbu - Point Lay, 8% of them health-based - above the Alaska per-system average.

381
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
237
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Nsbu - Point Lay

Nsbu - Point Lay is a native american-owned community water system that delivers drinking water to 237 residents in Anchorage, Alaska (North Slope Borough County) through 64 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 381 total violations for this system , of which 32 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 203 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 Surface Water Treatment Rule, recorded in 103 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%).

Nsbu - Point Lay's 381 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
237
Total Violations
381
Health-Based Violations
32
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
64
County
North Slope Borough
School/Daycare
No
MCL Violations
9
Monitoring Violations
203
Treatment Tech Violations
23

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 103 2024
Surface Water Treatment Rule TT 23 1998
Coliform (TCR) MR 21 2012
Coliform (TCR) MCL 9 1996
Consumer Confidence Rule Other 8 2019
Fluoride MR 6 1990
Cadmium MR 2 1989
Selenium MR 2 1989
Arsenic MR 2 1989
Chromium MR 2 1989
Nitrate MR 2 1989
Lead and Copper Rule MR 2 2019
1,2,4-Trichlorobenzene MR 2 2013
DICHLOROMETHANE MR 2 2013
o-Dichlorobenzene MR 2 2013
Vinyl chloride MR 2 2013
trans-1,2-Dichloroethylene MR 2 2013
1,2-Dichloroethane MR 2 2013
1,1,1-Trichloroethane MR 2 2013
Trichloroethylene MR 2 2013
Tetrachloroethylene MR 2 2013
Toluene MR 2 2013
Xylenes, Total MR 2 2013
p-Dichlorobenzene MR 2 2013
Carbon tetrachloride MR 2 2013
1,2-Dichloropropane MR 2 2013
CHLOROBENZENE MR 2 2013
Styrene MR 2 2013
TTHM MR 2 2023
Total Haloacetic Acids (HAA5) MR 2 2023

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 Nsbu - Point Lay.

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 AK2320256 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 Surface Water Treatment Rule MR 103 SDWIS / AK2320256 / 0200
2024 Chlorine MR 1 SDWIS / AK2320256 / 0999
2024 Revised Total Coliform Rule MON 1 SDWIS / AK2320256 / 8000
2023 TTHM MR 2 SDWIS / AK2320256 / 2950
2023 Total Haloacetic Acids (HAA5) MR 2 SDWIS / AK2320256 / 2456
2019 Consumer Confidence Rule Other 8 SDWIS / AK2320256 / 7000
2019 Lead and Copper Rule MR 2 SDWIS / AK2320256 / 5000
2013 1,2,4-Trichlorobenzene MR 2 SDWIS / AK2320256 / 2378
2013 DICHLOROMETHANE MR 2 SDWIS / AK2320256 / 2964
2013 o-Dichlorobenzene MR 2 SDWIS / AK2320256 / 2968
2013 Vinyl chloride MR 2 SDWIS / AK2320256 / 2976
2013 trans-1,2-Dichloroethylene MR 2 SDWIS / AK2320256 / 2979
2013 1,2-Dichloroethane MR 2 SDWIS / AK2320256 / 2980
2013 1,1,1-Trichloroethane MR 2 SDWIS / AK2320256 / 2981
2013 Trichloroethylene MR 2 SDWIS / AK2320256 / 2984

How Nsbu - Point Lay Compares

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

Metric Nsbu - Point Lay Alaska avg Federal benchmark
Total violations 381 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 32 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 237 650 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 Nsbu - Point Lay water safe to drink? ▼
Nsbu - Point Lay (PWS ID: AK2320256) has 381 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 237 people using Surface Water sources.
How many people does Nsbu - Point Lay serve? ▼
Nsbu - Point Lay serves 237 people in Anchorage, Alaska. It is a Native American-owned system using Surface Water water sources with 64 service connections.
What type of violations does Nsbu - Point Lay have? ▼
Nsbu - Point Lay has 381 total violations: 32 health-based violations (MCL exceedances or treatment failures), 203 monitoring/reporting violations, and 23 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Nsbu - Point Lay water? ▼
No PFAS testing data is available for Nsbu - Point Lay under the EPA's UCMR5 monitoring program.
What water source does Nsbu - Point Lay use? ▼
Nsbu - Point Lay 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.

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.