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Community Water System · PWS OK2001903

Depew

Depew, Oklahoma 74028-0357 - drinking water served from groundwater sources to 555 people, tracked in EPA SDWIS and UCMR5.

555
People served
292
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 292 drinking-water violations at Depew, 3% of them health-based - above the Oklahoma per-system average.

292
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
555
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Depew

Depew is a local-owned community water system that delivers drinking water to 555 residents in Depew, Oklahoma (Creek County) through 205 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 292 total violations for this system , of which 10 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 250 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 96 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%).

Depew's 292 violations sit above 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
555
Total Violations
292
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
205
County
Creek
School/Daycare
No
MCL Violations
10
Monitoring Violations
250
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 96 2014
Coliform (TCR) MCL 10 1997
Consumer Confidence Rule Other 10 2025
Lead and Copper Rule MR 10 2012
Xylenes, Total MR 7 2003
o-Dichlorobenzene MR 7 2003
1,1-Dichloroethylene MR 7 2003
1,1,1-Trichloroethane MR 7 2003
Carbon tetrachloride MR 7 2003
1,2-Dichloropropane MR 7 2003
CHLOROBENZENE MR 7 2003
Benzene MR 7 2003
Ethylbenzene MR 7 2003
Styrene MR 7 2003
cis-1,2-Dichloroethylene MR 7 2003
DICHLOROMETHANE MR 7 2003
Vinyl chloride MR 7 2003
1,1,2-Trichloroethane MR 7 2003
1,2,4-Trichlorobenzene MR 7 2003
p-Dichlorobenzene MR 7 2003
trans-1,2-Dichloroethylene MR 7 2003
Tetrachloroethylene MR 7 2003
Toluene MR 7 2003
Trichloroethylene MR 7 2003
E. COLI MR 4 2014

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 Depew.

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 OK2001903 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
2025 Consumer Confidence Rule Other 10 SDWIS / OK2001903 / 7000
2014 Coliform (TCR) MR 96 SDWIS / OK2001903 / 3100
2014 E. COLI MR 4 SDWIS / OK2001903 / 3014
2012 Lead and Copper Rule MR 10 SDWIS / OK2001903 / 5000
2003 Xylenes, Total MR 7 SDWIS / OK2001903 / 2955
2003 o-Dichlorobenzene MR 7 SDWIS / OK2001903 / 2968
2003 1,1-Dichloroethylene MR 7 SDWIS / OK2001903 / 2977
2003 1,1,1-Trichloroethane MR 7 SDWIS / OK2001903 / 2981
2003 Carbon tetrachloride MR 7 SDWIS / OK2001903 / 2982
2003 1,2-Dichloropropane MR 7 SDWIS / OK2001903 / 2983
2003 CHLOROBENZENE MR 7 SDWIS / OK2001903 / 2989
2003 Benzene MR 7 SDWIS / OK2001903 / 2990
2003 Ethylbenzene MR 7 SDWIS / OK2001903 / 2992
2003 Styrene MR 7 SDWIS / OK2001903 / 2996
2003 cis-1,2-Dichloroethylene MR 7 SDWIS / OK2001903 / 2380

How Depew Compares

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

Metric Depew Oklahoma avg Federal benchmark
Total violations 292 266.8 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 555 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 Depew water safe to drink? ▼
Depew (PWS ID: OK2001903) has 292 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 555 people using Groundwater sources.
How many people does Depew serve? ▼
Depew serves 555 people in Depew, Oklahoma. It is a Local-owned system using Groundwater water sources with 205 service connections.
What type of violations does Depew have? ▼
Depew has 292 total violations: 10 health-based violations (MCL exceedances or treatment failures), 250 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Depew water? ▼
No PFAS testing data is available for Depew under the EPA's UCMR5 monitoring program.
What water source does Depew use? ▼
Depew 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.

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

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.