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PRYOR WATER SYSTEM

PWS ID: 083090012 · CROW AGENCY, 08 59022

PRYOR WATER SYSTEM serves 406 people in CROW AGENCY, 08 using Groundwater water sources. It has 222 recorded EPA violations, including 17 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: PRYOR WATER SYSTEM

PRYOR WATER SYSTEM is a native american-owned community water system that delivers drinking water to 406 residents in CROW AGENCY, 08 through 98 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 222 total violations for this system , of which 17 (8%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 195 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 Revised Total Coliform Rule, recorded in 29 violations (MON). 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. PRYOR WATER SYSTEM's 222 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
406
Total Violations
222
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
98
School/Daycare
No
MCL Violations
15
Monitoring Violations
195
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 29 2020
Coliform (TCR) MR 21 2007
Coliform (TCR) MCL 15 2007
Consumer Confidence Rule Other 8 2023
Nitrate-Nitrite MR 7 2020
Lead and Copper Rule MR 4 2024
E. COLI MR 2 2023
Groundwater Rule TT 2 2020
Chlorine MR 2 2023
1,2,4-Trichlorobenzene MR 2 2020
cis-1,2-Dichloroethylene MR 2 2020
Xylenes, Total MR 2 2020
DICHLOROMETHANE MR 2 2020
o-Dichlorobenzene MR 2 2020
p-Dichlorobenzene MR 2 2020
1,1-Dichloroethylene MR 2 2020
1,2-Dichloroethane MR 2 2020
1,1,1-Trichloroethane MR 2 2020
Carbon tetrachloride MR 2 2020
1,1,2-Trichloroethane MR 2 2020
TTHM MR 2 2022
1,2-Dichloropropane MR 2 2020
Trichloroethylene MR 2 2020
CHLOROBENZENE MR 2 2020
Benzene MR 2 2020
Ethylbenzene MR 2 2020
Vinyl chloride MR 2 2020
trans-1,2-Dichloroethylene MR 2 2020
Mercury MR 2 2020
Selenium MR 2 2020

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 PRYOR WATER SYSTEM.

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 083090012 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
2024 Lead and Copper Rule MR 4 SDWIS / 083090012 / 5000
2023 Consumer Confidence Rule Other 8 SDWIS / 083090012 / 7000
2023 E. COLI MR 2 SDWIS / 083090012 / 3014
2023 Chlorine MR 2 SDWIS / 083090012 / 0999
2022 TTHM MR 2 SDWIS / 083090012 / 2950
2022 Total Haloacetic Acids (HAA5) MR 2 SDWIS / 083090012 / 2456
2020 Revised Total Coliform Rule MON 29 SDWIS / 083090012 / 8000
2020 Nitrate-Nitrite MR 7 SDWIS / 083090012 / 1038
2020 Groundwater Rule TT 2 SDWIS / 083090012 / 0700
2020 1,2,4-Trichlorobenzene MR 2 SDWIS / 083090012 / 2378
2020 cis-1,2-Dichloroethylene MR 2 SDWIS / 083090012 / 2380
2020 Xylenes, Total MR 2 SDWIS / 083090012 / 2955
2020 DICHLOROMETHANE MR 2 SDWIS / 083090012 / 2964
2020 o-Dichlorobenzene MR 2 SDWIS / 083090012 / 2968
2020 p-Dichlorobenzene MR 2 SDWIS / 083090012 / 2969

How PRYOR WATER SYSTEM Compares

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

Metric PRYOR WATER SYSTEM 08 avg Federal benchmark
Total violations 222 81.7 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 17 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 406 906 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 PRYOR WATER SYSTEM water safe to drink? ▼
PRYOR WATER SYSTEM (PWS ID: 083090012) has 222 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 406 people using Groundwater sources.
How many people does PRYOR WATER SYSTEM serve? ▼
PRYOR WATER SYSTEM serves 406 people in CROW AGENCY, 08. It is a Native American-owned system using Groundwater water sources with 98 service connections.
What type of violations does PRYOR WATER SYSTEM have? ▼
PRYOR WATER SYSTEM has 222 total violations: 17 health-based violations (MCL exceedances or treatment failures), 195 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PRYOR WATER SYSTEM water? ▼
No PFAS testing data is available for PRYOR WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does PRYOR WATER SYSTEM use? ▼
PRYOR WATER SYSTEM 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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