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Community Water System · PWS AK2390756

Clear Space Force Station – Main

Clear, Alaska 99704 - drinking water served from groundwater sources to 433 people, tracked in EPA SDWIS and UCMR5.

433
People served
183
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 183 drinking-water violations at Clear Space Force Station – Main - below the Alaska per-system average.

183
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
433
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Clear Space Force Station – Main

Clear Space Force Station – Main is a federal-owned community water system that delivers drinking water to 433 residents in Clear, Alaska (Denali Borough County) through 20 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 183 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 152 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 Chlorine, recorded in 8 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%).

Clear Space Force Station – Main's 183 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
433
Total Violations
183
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Federal
Connections
20
County
Denali Borough
School/Daycare
No
MCL Violations
0
Monitoring Violations
152
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 8 2021
p-Dichlorobenzene MR 5 1998
1,1,1-Trichloroethane MR 5 1998
1,1-Dichloroethylene MR 5 1998
Benzene MR 5 1998
1,2-Dichloroethane MR 5 1998
Carbon tetrachloride MR 5 1998
Trichloroethylene MR 5 1998
Total Polychlorinated Biphenyls (PCB) MR 4 1995
Consumer Confidence Rule Other 4 2024
Nitrate MR 3 1994
Toluene MR 3 1998
Tetrachloroethylene MR 3 1998
Styrene MR 3 1998
Ethylbenzene MR 3 1998
1,2-Dichloropropane MR 3 1998
cis-1,2-Dichloroethylene MR 3 1998
Heptachlor epoxide MR 3 1995
Heptachlor MR 3 1995
ETHYLENE DIBROMIDE MR 3 1995
Atrazine MR 3 1995
Aldicarb sulfone MR 3 1995
Aldicarb sulfoxide MR 3 1995
Aldicarb MR 3 1995
2,4-D MR 3 1995
CHLOROBENZENE MR 3 1998
trans-1,2-Dichloroethylene MR 3 1998
Vinyl chloride MR 3 1991
Pentachlorophenol MR 3 1995
Chlordane MR 3 1995

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 Clear Space Force Station – Main.

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 AK2390756 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 Consumer Confidence Rule Other 4 SDWIS / AK2390756 / 7000
2021 Chlorine MR 8 SDWIS / AK2390756 / 0999
2021 Revised Total Coliform Rule MON 1 SDWIS / AK2390756 / 8000
2014 Asbestos MR 2 SDWIS / AK2390756 / 1094
1998 p-Dichlorobenzene MR 5 SDWIS / AK2390756 / 2969
1998 1,1,1-Trichloroethane MR 5 SDWIS / AK2390756 / 2981
1998 1,1-Dichloroethylene MR 5 SDWIS / AK2390756 / 2977
1998 Benzene MR 5 SDWIS / AK2390756 / 2990
1998 1,2-Dichloroethane MR 5 SDWIS / AK2390756 / 2980
1998 Carbon tetrachloride MR 5 SDWIS / AK2390756 / 2982
1998 Trichloroethylene MR 5 SDWIS / AK2390756 / 2984
1998 Toluene MR 3 SDWIS / AK2390756 / 2991
1998 Tetrachloroethylene MR 3 SDWIS / AK2390756 / 2987
1998 Styrene MR 3 SDWIS / AK2390756 / 2996
1998 Ethylbenzene MR 3 SDWIS / AK2390756 / 2992

How Clear Space Force Station – Main Compares

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

Metric Clear Space Force Station – Main Alaska avg Federal benchmark
Total violations 183 201.5 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 433 650 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 Clear Space Force Station – Main water safe to drink? ▼
Clear Space Force Station – Main (PWS ID: AK2390756) has 183 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 433 people using Groundwater sources.
How many people does Clear Space Force Station – Main serve? ▼
Clear Space Force Station – Main serves 433 people in Clear, Alaska. It is a Federal-owned system using Groundwater water sources with 20 service connections.
What type of violations does Clear Space Force Station – Main have? ▼
Clear Space Force Station – Main has 183 total violations: 0 health-based violations (MCL exceedances or treatment failures), 152 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Clear Space Force Station – Main water? ▼
No PFAS testing data is available for Clear Space Force Station – Main under the EPA's UCMR5 monitoring program.
What water source does Clear Space Force Station – Main use? ▼
Clear Space Force Station – Main uses Groundwater 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.