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Community Water System · PWS OK2001902

Drumright

Drumright, Oklahoma 74030 - drinking water served from groundwater sources to 2,876 people, tracked in EPA SDWIS and UCMR5.

2,876
People served
49
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 49 drinking-water violations at Drumright, 14% of them health-based - below the Oklahoma per-system average.

49
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
2,876
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Drumright

Drumright is a local-owned community water system that delivers drinking water to 2,876 residents in Drumright, Oklahoma (Creek County) through 1,712 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 49 total violations for this system , of which 7 (14%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 35 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 9 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 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%).

Drumright's 49 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
2,876
Total Violations
49
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,712
County
Creek
School/Daycare
No
MCL Violations
7
Monitoring Violations
35
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
E. COLI MR 9 2015
Coliform (TCR) MR 8 2007
Coliform (TCR) MCL 7 2015
Total Haloacetic Acids (HAA5) MR 6 2008
TTHM MR 6 2008
Lead and Copper Rule MR 6 2009
Consumer Confidence Rule Other 2 2022

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 Drumright.

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 OK2001902 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 Consumer Confidence Rule Other 2 SDWIS / OK2001902 / 7000
2015 E. COLI MR 9 SDWIS / OK2001902 / 3014
2015 Coliform (TCR) MCL 7 SDWIS / OK2001902 / 3100
2009 Lead and Copper Rule MR 6 SDWIS / OK2001902 / 5000
2008 Total Haloacetic Acids (HAA5) MR 6 SDWIS / OK2001902 / 2456
2008 TTHM MR 6 SDWIS / OK2001902 / 2950
2007 Coliform (TCR) MR 8 SDWIS / OK2001902 / 3100

How Drumright Compares

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

Metric Drumright Oklahoma avg Federal benchmark
Total violations 49 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 2,876 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 Drumright water safe to drink?
Drumright (PWS ID: OK2001902) has 49 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,876 people using Groundwater sources.
How many people does Drumright serve?
Drumright serves 2,876 people in Drumright, Oklahoma. It is a Local-owned system using Groundwater water sources with 1,712 service connections.
What type of violations does Drumright have?
Drumright has 49 total violations: 7 health-based violations (MCL exceedances or treatment failures), 35 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Drumright water?
No PFAS testing data is available for Drumright under the EPA's UCMR5 monitoring program.
What water source does Drumright use?
Drumright 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. 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.