PlainWater

Non-Transient Non-Community Water System · PWS AK2271732

Ksd Aniak Secondary School

Aniak, Alaska 99557-0049 - drinking water served from groundwater sources to 80 people, tracked in EPA SDWIS and UCMR5.

80
People served
324
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 324 drinking-water violations at Ksd Aniak Secondary School, 3% of them health-based - above the Alaska per-system average.

324
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
80
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ksd Aniak Secondary School

Ksd Aniak Secondary School is a local-owned non-transient non-community water system that delivers drinking water to 80 residents in Aniak, Alaska (Bethel Census Area County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 324 total violations for this system , of which 9 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 250 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 45 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%).

Ksd Aniak Secondary School's 324 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
324
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Bethel Census Area
School/Daycare
No
MCL Violations
0
Monitoring Violations
250
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 45 2015
Revised Total Coliform Rule MON 39 2025
Nitrate MR 18 2023
Lead and Copper Rule MR 12 2024
Groundwater Rule TT 7 2019
Simazine MR 4 1995
Dinoseb MR 4 1995
Endrin MR 4 1995
Heptachlor epoxide MR 4 1995
Chlordane MR 4 1995
Atrazine MR 4 1995
Aldicarb sulfone MR 4 1995
2,4,5-TP MR 4 1995
2,4-D MR 4 1995
Toxaphene MR 4 1995
BHC-GAMMA MR 4 1995
Picloram MR 4 1995
Diquat MR 4 1995
ETHYLENE DIBROMIDE MR 4 1995
Aldicarb sulfoxide MR 4 1995
Aldicarb MR 4 1995
Methoxychlor MR 4 1995
Pentachlorophenol MR 4 1995
Heptachlor MR 4 1995
Total Polychlorinated Biphenyls (PCB) MR 4 1995
Arsenic MR 3 2008
p-Dichlorobenzene MR 3 2020
Carbon tetrachloride MR 3 2020
Trichloroethylene MR 3 2020
Public Notice Other 3 2021

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 Ksd Aniak Secondary 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 AK2271732 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 Revised Total Coliform Rule MON 39 SDWIS / AK2271732 / 8000
2025 E. COLI MR 1 SDWIS / AK2271732 / 3014
2024 Lead and Copper Rule MR 12 SDWIS / AK2271732 / 5000
2024 Revised Total Coliform Rule Other 2 SDWIS / AK2271732 / 8000
2023 Nitrate MR 18 SDWIS / AK2271732 / 1040
2021 Public Notice Other 3 SDWIS / AK2271732 / 7500
2021 Lead and Copper Rule TT 2 SDWIS / AK2271732 / 5000
2020 p-Dichlorobenzene MR 3 SDWIS / AK2271732 / 2969
2020 Carbon tetrachloride MR 3 SDWIS / AK2271732 / 2982
2020 Trichloroethylene MR 3 SDWIS / AK2271732 / 2984
2020 1,1-Dichloroethylene MR 3 SDWIS / AK2271732 / 2977
2020 Benzene MR 3 SDWIS / AK2271732 / 2990
2020 1,1,1-Trichloroethane MR 3 SDWIS / AK2271732 / 2981
2020 1,2-Dichloroethane MR 3 SDWIS / AK2271732 / 2980
2020 CHLOROBENZENE MR 2 SDWIS / AK2271732 / 2989

How Ksd Aniak Secondary School Compares

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

Metric Ksd Aniak Secondary School Alaska avg Federal benchmark
Total violations 324 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 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 Ksd Aniak Secondary School water safe to drink?
Ksd Aniak Secondary School (PWS ID: AK2271732) has 324 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 Ksd Aniak Secondary School serve?
Ksd Aniak Secondary School serves 80 people in Aniak, Alaska. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Ksd Aniak Secondary School have?
Ksd Aniak Secondary School has 324 total violations: 9 health-based violations (MCL exceedances or treatment failures), 250 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ksd Aniak Secondary School water?
No PFAS testing data is available for Ksd Aniak Secondary School under the EPA's UCMR5 monitoring program.
What water source does Ksd Aniak Secondary School use?
Ksd Aniak Secondary 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.