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ARAPAHOE INDUSTRIAL PARK

PWS ID: 085690008 · FORT WASHAKIE, 08 82514

ARAPAHOE INDUSTRIAL PARK serves 650 people in FORT WASHAKIE, 08 using Groundwater water sources. It has 295 recorded EPA violations, including 8 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ARAPAHOE INDUSTRIAL PARK

ARAPAHOE INDUSTRIAL PARK is a native american-owned community water system that delivers drinking water to 650 residents in FORT WASHAKIE, 08 through 15 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 295 total violations for this system , of which 8 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 285 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 11 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 08, EPA tracks 160 public water systems serving 144,980 people, with 13,068 cumulative violations and 1,547 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 81.7 violations. ARAPAHOE INDUSTRIAL PARK's 295 violations sit above the 08 average. Statewide, 10 of 13 UCMR5-tested systems have reported PFAS detections (76.9%). 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
650
Total Violations
295
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
15
School/Daycare
Yes
MCL Violations
5
Monitoring Violations
285
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 11 2004
Nitrate-Nitrite MR 9 2019
Nitrate MR 8 2004
Nitrite MR 7 2004
Benzene MR 5 2020
Carbon tetrachloride MR 5 2020
1,2-Dichloroethane MR 5 2020
p-Dichlorobenzene MR 5 2020
1,2-Dichloropropane MR 5 2020
CHLOROBENZENE MR 5 2020
o-Dichlorobenzene MR 5 2020
Styrene MR 5 2020
Toluene MR 5 2020
DICHLOROMETHANE MR 5 2020
1,2,4-Trichlorobenzene MR 5 2020
1,1,2-Trichloroethane MR 5 2020
Coliform (TCR) MCL 5 2000
cis-1,2-Dichloroethylene MR 5 2020
Xylenes, Total MR 5 2020
1,1-Dichloroethylene MR 5 2020
trans-1,2-Dichloroethylene MR 5 2020
1,1,1-Trichloroethane MR 5 2020
Trichloroethylene MR 5 2020
Tetrachloroethylene MR 5 2020
Ethylbenzene MR 5 2020
Vinyl chloride MR 5 2020
Asbestos MR 4 2002
Revised Total Coliform Rule MON 4 2021
Simazine MR 4 2002
Picloram MR 4 2002

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 ARAPAHOE INDUSTRIAL PARK.

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 085690008 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

08 Drinking Water Authority

08'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 08 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 2 SDWIS / 085690008 / 5000
2021 Revised Total Coliform Rule MON 4 SDWIS / 085690008 / 8000
2020 Benzene MR 5 SDWIS / 085690008 / 2990
2020 Carbon tetrachloride MR 5 SDWIS / 085690008 / 2982
2020 1,2-Dichloroethane MR 5 SDWIS / 085690008 / 2980
2020 p-Dichlorobenzene MR 5 SDWIS / 085690008 / 2969
2020 1,2-Dichloropropane MR 5 SDWIS / 085690008 / 2983
2020 CHLOROBENZENE MR 5 SDWIS / 085690008 / 2989
2020 o-Dichlorobenzene MR 5 SDWIS / 085690008 / 2968
2020 Styrene MR 5 SDWIS / 085690008 / 2996
2020 Toluene MR 5 SDWIS / 085690008 / 2991
2020 DICHLOROMETHANE MR 5 SDWIS / 085690008 / 2964
2020 1,2,4-Trichlorobenzene MR 5 SDWIS / 085690008 / 2378
2020 1,1,2-Trichloroethane MR 5 SDWIS / 085690008 / 2985
2020 cis-1,2-Dichloroethylene MR 5 SDWIS / 085690008 / 2380

How ARAPAHOE INDUSTRIAL PARK Compares

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

Metric ARAPAHOE INDUSTRIAL PARK 08 avg Federal benchmark
Total violations 295 81.7 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 8 9.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 76.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 650 906 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 160 regulated public water systems in 08.

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 ARAPAHOE INDUSTRIAL PARK water safe to drink? ▼
ARAPAHOE INDUSTRIAL PARK (PWS ID: 085690008) has 295 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 650 people using Groundwater sources.
How many people does ARAPAHOE INDUSTRIAL PARK serve? ▼
ARAPAHOE INDUSTRIAL PARK serves 650 people in FORT WASHAKIE, 08. It is a Native American-owned system using Groundwater water sources with 15 service connections.
What type of violations does ARAPAHOE INDUSTRIAL PARK have? ▼
ARAPAHOE INDUSTRIAL PARK has 295 total violations: 8 health-based violations (MCL exceedances or treatment failures), 285 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ARAPAHOE INDUSTRIAL PARK water? ▼
No PFAS testing data is available for ARAPAHOE INDUSTRIAL PARK under the EPA's UCMR5 monitoring program.
What water source does ARAPAHOE INDUSTRIAL PARK use? ▼
ARAPAHOE INDUSTRIAL PARK 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.

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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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