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Community Water System · PWS OK2007701

Woodward

Woodward, Oklahoma 73801 - drinking water served from groundwater sources to 15,000 people, tracked in EPA SDWIS and UCMR5.

15,000
People served
64
EPA violations
10
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 64 drinking-water violations at Woodward, 16% of them health-based - below the Oklahoma per-system average.

64
Total EPA violations on record
16%
Health-based (MCL / treatment failure)
15,000
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Woodward

Woodward is a local-owned community water system that delivers drinking water to 15,000 residents in Woodward, Oklahoma (Woodward County) through 6,607 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 64 total violations for this system , of which 10 (16%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 45 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 14 violations (MR). 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%).

Woodward's 64 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
15,000
Total Violations
64
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
6,607
County
Woodward
School/Daycare
No
MCL Violations
9
Monitoring Violations
45
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 14 2024
Revised Total Coliform Rule MON 14 2024
Coliform (TCR) MCL 9 1999
Lead and Copper Rule MR 8 2010
Coliform (TCR) MR 5 1998
E. COLI MR 4 2014
Consumer Confidence Rule Other 4 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024
LEAD AND COPPER RULE REVISIONS TT 1 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 174 samples detected PFAS.

Contaminant Date Result MRL Status
PFUnA 8/4/2025 <2.00 ppt 2.00 ppt Not Detected
9Cl-PF3ONS 8/4/2025 <2.00 ppt 2.00 ppt Not Detected
PFHpS 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/4/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/4/2025 <20.00 ppt 20.00 ppt Not Detected
PFEESA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/4/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/4/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/4/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/4/2025 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/4/2025 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 8/4/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 8/4/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/4/2025 <6.00 ppt 6.00 ppt Not Detected
PFBS 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 8/4/2025 <5.00 ppt 5.00 ppt Not Detected
PFNA 8/4/2025 <4.00 ppt 4.00 ppt Not Detected
PFTA 8/4/2025 <8.00 ppt 8.00 ppt Not Detected
PFOA 8/4/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/4/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxS 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/4/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/4/2025 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 8/4/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 8/4/2025 <7.00 ppt 7.00 ppt Not Detected
6:2 FTS 8/4/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/4/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/4/2025 <20.00 ppt 20.00 ppt Not Detected
PFMBA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/4/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpS 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 8/4/2025 <8.00 ppt 8.00 ppt Not Detected
PFHxS 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 8/4/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpA 8/4/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/4/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/4/2025 <4.00 ppt 4.00 ppt Not Detected
PFOA 8/4/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 8/4/2025 <3.00 ppt 3.00 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 Woodward.

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 OK2007701 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 Chlorine MR 14 SDWIS / OK2007701 / 0999
2024 Revised Total Coliform Rule MON 14 SDWIS / OK2007701 / 8000
2024 Consumer Confidence Rule Other 4 SDWIS / OK2007701 / 7000
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / OK2007701 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / OK2007701 / 5200
2014 E. COLI MR 4 SDWIS / OK2007701 / 3014
2010 Lead and Copper Rule MR 8 SDWIS / OK2007701 / 5000
1999 Coliform (TCR) MCL 9 SDWIS / OK2007701 / 3100
1998 Coliform (TCR) MR 5 SDWIS / OK2007701 / 3100

How Woodward Compares

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

Metric Woodward Oklahoma avg Federal benchmark
Total violations 64 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 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 15,000 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 Woodward water safe to drink?
Woodward (PWS ID: OK2007701) has 64 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 15,000 people using Groundwater sources.
How many people does Woodward serve?
Woodward serves 15,000 people in Woodward, Oklahoma. It is a Local-owned system using Groundwater water sources with 6,607 service connections.
What type of violations does Woodward have?
Woodward has 64 total violations: 10 health-based violations (MCL exceedances or treatment failures), 45 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Woodward water?
No. Woodward was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Woodward use?
Woodward 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. 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.