PlainWater

Community Water System · PWS OK1010601

Durant Utilities Authority

Durant, Oklahoma 74701 - drinking water served from surface water sources to 15,545 people, tracked in EPA SDWIS and UCMR5.

15,545
People served
56
EPA violations
36
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 56 drinking-water violations at Durant Utilities Authority, 64% of them health-based - below the Oklahoma per-system average.

56
Total EPA violations on record
64%
Health-based (MCL / treatment failure)
15,545
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Durant Utilities Authority

Durant Utilities Authority is a local-owned community water system that delivers drinking water to 15,545 residents in Durant, Oklahoma (Bryan County) through 7,538 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 56 total violations for this system , of which 36 (64%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 18 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 Total Haloacetic Acids (HAA5), recorded in 29 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%).

Durant Utilities Authority's 56 violations sit below the Oklahoma 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
15,545
Total Violations
56
Health-Based Violations
36
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
7,538
County
Bryan
School/Daycare
No
MCL Violations
32
Monitoring Violations
18
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 29 2024
Chlorite MR 8 2010
Coliform (TCR) MR 4 2003
CARBON, TOTAL TT 3 2004
TTHM MR 3 2011
Total Haloacetic Acids (HAA5) MR 3 2011
Coliform (TCR) MCL 3 1999
Surface Water Treatment Rule TT 1 1994

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFTrDA 9/18/2023 <7.00 ppt 7.00 ppt Not Detected
4:2 FTS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/18/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFTA 9/18/2023 <8.00 ppt 8.00 ppt Not Detected
NEtFOSAA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 9/18/2023 <6.00 ppt 6.00 ppt Not Detected
PFHxS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFOA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFBA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFNA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/18/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/18/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 6/10/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 6/10/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFOA 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
NEtFOSAA 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 6/10/2024 <20.00 ppt 20.00 ppt Not Detected
PFBA 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 6/10/2024 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 6/10/2024 <7.00 ppt 7.00 ppt Not Detected
PFTA 6/10/2024 <8.00 ppt 8.00 ppt 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 Durant Utilities Authority.

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 OK1010601 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
2024 Total Haloacetic Acids (HAA5) MCL 29 SDWIS / OK1010601 / 2456
2011 TTHM MR 3 SDWIS / OK1010601 / 2950
2011 Total Haloacetic Acids (HAA5) MR 3 SDWIS / OK1010601 / 2456
2010 Chlorite MR 8 SDWIS / OK1010601 / 1009
2004 CARBON, TOTAL TT 3 SDWIS / OK1010601 / 2920
2003 Coliform (TCR) MR 4 SDWIS / OK1010601 / 3100
1999 Coliform (TCR) MCL 3 SDWIS / OK1010601 / 3100
1994 Surface Water Treatment Rule TT 1 SDWIS / OK1010601 / 0200

How Durant Utilities Authority Compares

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

Metric Durant Utilities Authority Oklahoma avg Federal benchmark
Total violations 56 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 36 90.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 15,545 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 (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 Durant Utilities Authority water safe to drink?
Durant Utilities Authority (PWS ID: OK1010601) has 56 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 15,545 people using Surface Water sources.
How many people does Durant Utilities Authority serve?
Durant Utilities Authority serves 15,545 people in Durant, Oklahoma. It is a Local-owned system using Surface Water water sources with 7,538 service connections.
What type of violations does Durant Utilities Authority have?
Durant Utilities Authority has 56 total violations: 36 health-based violations (MCL exceedances or treatment failures), 18 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Durant Utilities Authority water?
No. Durant Utilities Authority was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Durant Utilities Authority use?
Durant Utilities Authority uses Surface Water 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.