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SWSD MANOKOTAK HEIGHTS SCHOOL

PWS ID: AK2263039 · DILLINGHAM, Alaska 99576

SWSD MANOKOTAK HEIGHTS SCHOOL serves 177 people in DILLINGHAM, Alaska using Groundwater water sources. It has 152 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SWSD MANOKOTAK HEIGHTS SCHOOL

SWSD MANOKOTAK HEIGHTS SCHOOL is a local-owned non-transient non-community water system that delivers drinking water to 177 residents in DILLINGHAM, Alaska (Dillingham Census Area County) through 5 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 152 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 138 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 23 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. SWSD MANOKOTAK HEIGHTS SCHOOL's 152 violations sit below 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
177
Total Violations
152
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
5
County
Dillingham Census Area
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
138
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 23 2014
Nitrate MR 6 2011
Revised Total Coliform Rule MON 4 2021
Lead and Copper Rule MR 3 2023
DICHLOROMETHANE MR 2 2004
o-Dichlorobenzene MR 2 2004
p-Dichlorobenzene MR 2 2004
trans-1,2-Dichloroethylene MR 2 2004
1,2-Dichloroethane MR 2 2004
1,1,1-Trichloroethane MR 2 2004
1,1,2-Trichloroethane MR 2 2004
CHLOROBENZENE MR 2 2004
Toluene MR 2 2004
Styrene MR 2 2004
BHC-GAMMA MR 2 2004
Dalapon MR 2 2004
Diquat MR 2 2004
Endothall MR 2 2004
OXAMYL MR 2 2004
Simazine MR 2 2004
Hexachlorocyclopentadiene MR 2 2004
Atrazine MR 2 2004
Heptachlor MR 2 2004
Heptachlor epoxide MR 2 2004
HEXACHLOROBENZENE MR 2 2004
Total Polychlorinated Biphenyls (PCB) MR 2 2004
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2004
Chlordane MR 2 2004
Xylenes, Total MR 2 2004
1,2,4-Trichlorobenzene MR 2 2004

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 SWSD MANOKOTAK HEIGHTS 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 AK2263039 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
2023 Lead and Copper Rule MR 3 SDWIS / AK2263039 / 5000
2021 Revised Total Coliform Rule MON 4 SDWIS / AK2263039 / 8000
2014 Coliform (TCR) MR 23 SDWIS / AK2263039 / 3100
2011 Nitrate MR 6 SDWIS / AK2263039 / 1040
2004 DICHLOROMETHANE MR 2 SDWIS / AK2263039 / 2964
2004 o-Dichlorobenzene MR 2 SDWIS / AK2263039 / 2968
2004 p-Dichlorobenzene MR 2 SDWIS / AK2263039 / 2969
2004 trans-1,2-Dichloroethylene MR 2 SDWIS / AK2263039 / 2979
2004 1,2-Dichloroethane MR 2 SDWIS / AK2263039 / 2980
2004 1,1,1-Trichloroethane MR 2 SDWIS / AK2263039 / 2981
2004 1,1,2-Trichloroethane MR 2 SDWIS / AK2263039 / 2985
2004 CHLOROBENZENE MR 2 SDWIS / AK2263039 / 2989
2004 Toluene MR 2 SDWIS / AK2263039 / 2991
2004 Styrene MR 2 SDWIS / AK2263039 / 2996
2004 BHC-GAMMA MR 2 SDWIS / AK2263039 / 2010

How SWSD MANOKOTAK HEIGHTS SCHOOL Compares

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

Metric SWSD MANOKOTAK HEIGHTS SCHOOL Alaska avg Federal benchmark
Total violations 152 201.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 177 650 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 SWSD MANOKOTAK HEIGHTS SCHOOL water safe to drink? ▼
SWSD MANOKOTAK HEIGHTS SCHOOL (PWS ID: AK2263039) has 152 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 177 people using Groundwater sources.
How many people does SWSD MANOKOTAK HEIGHTS SCHOOL serve? ▼
SWSD MANOKOTAK HEIGHTS SCHOOL serves 177 people in DILLINGHAM, Alaska. It is a Local-owned system using Groundwater water sources with 5 service connections.
What type of violations does SWSD MANOKOTAK HEIGHTS SCHOOL have? ▼
SWSD MANOKOTAK HEIGHTS SCHOOL has 152 total violations: 0 health-based violations (MCL exceedances or treatment failures), 138 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SWSD MANOKOTAK HEIGHTS SCHOOL water? ▼
No PFAS testing data is available for SWSD MANOKOTAK HEIGHTS SCHOOL under the EPA's UCMR5 monitoring program.
What water source does SWSD MANOKOTAK HEIGHTS SCHOOL use? ▼
SWSD MANOKOTAK HEIGHTS 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.

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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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