PlainWater
States → Oklahoma

PURCELL

PWS ID: OK2004701 · PURCELL, Oklahoma 73080

PURCELL serves 6,693 people in PURCELL, Oklahoma using Groundwater water sources. It has 74 recorded EPA violations, including 1 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: PURCELL

PURCELL is a local-owned community water system that delivers drinking water to 6,693 residents in PURCELL, Oklahoma (McClain County) through 4,147 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 74 total violations for this system , of which 1 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 66 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is E. COLI, recorded in 28 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 15.5 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Oklahoma, EPA tracks 1,262 public water systems serving 3,699,452 people, with 336,706 cumulative violations and 113,804 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 266.8 violations. PURCELL's 74 violations sit below the Oklahoma average. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
6,693
Total Violations
74
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
4,147
County
McClain
School/Daycare
No
MCL Violations
1
Monitoring Violations
66
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
E. COLI MR 28 2022
Coliform (TCR) MR 13 2010
2,4-D MR 5 2019
Lead and Copper Rule MR 4 2009
TTHM MR 4 2022
Total Haloacetic Acids (HAA5) MR 4 2022
Chlorine MR 4 2018
Asbestos MR 4 2021
Consumer Confidence Rule Other 2 2014
Coliform (TCR) MCL 1 1991

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 6/12/2023 12.0000 µg/L 9 µg/L Detected
NMeFOSAA 6/12/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/12/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/12/2023 <0.008 µg/L 0.008 µg/L Not Detected
6:2 FTS 3/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 3/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 3/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 3/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 3/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 3/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 3/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 3/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 3/6/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 3/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 3/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 3/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 3/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 3/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 12/6/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 12/6/2023 15.5000 µg/L 9 µg/L Detected
NMeFOSAA 12/6/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 12/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 12/6/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFHxA 10/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 10/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 10/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 10/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 10/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 10/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 10/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 10/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 10/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 10/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 10/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 10/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 10/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 10/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 10/18/2023 <0.002 µg/L 0.002 µg/L Not Detected

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 PURCELL.

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 OK2004701 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Oklahoma Drinking Water Authority

Oklahoma'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 OK 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
2022 E. COLI MR 28 SDWIS / OK2004701 / 3014
2022 TTHM MR 4 SDWIS / OK2004701 / 2950
2022 Total Haloacetic Acids (HAA5) MR 4 SDWIS / OK2004701 / 2456
2021 Asbestos MR 4 SDWIS / OK2004701 / 1094
2019 2,4-D MR 5 SDWIS / OK2004701 / 2105
2018 Chlorine MR 4 SDWIS / OK2004701 / 0999
2014 Consumer Confidence Rule Other 2 SDWIS / OK2004701 / 7000
2010 Coliform (TCR) MR 13 SDWIS / OK2004701 / 3100
2009 Lead and Copper Rule MR 4 SDWIS / OK2004701 / 5000
1991 Coliform (TCR) MCL 1 SDWIS / OK2004701 / 3100

How PURCELL Compares

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

Metric PURCELL Oklahoma avg Federal benchmark
Total violations 74 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 90.2 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 60.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 6,693 2,931 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,262 regulated public water systems in Oklahoma.

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 PURCELL water safe to drink? ▼
PURCELL (PWS ID: OK2004701) has 74 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 6,693 people using Groundwater sources.
How many people does PURCELL serve? ▼
PURCELL serves 6,693 people in PURCELL, Oklahoma. It is a Local-owned system using Groundwater water sources with 4,147 service connections.
What type of violations does PURCELL have? ▼
PURCELL has 74 total violations: 1 health-based violations (MCL exceedances or treatment failures), 66 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PURCELL water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in PURCELL's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does PURCELL use? ▼
PURCELL 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.

Explore PlainWater

Water in Oklahoma

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Oklahoma

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial