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Transient Non-Community Water System · PWS OK2001993

Oaklake Trails Naturist Park

Depew, Oklahoma 74028 - drinking water served from groundwater sources to 48 people, tracked in EPA SDWIS and UCMR5.

48
People served
303
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 303 drinking-water violations at Oaklake Trails Naturist Park, 1% of them health-based - above the Oklahoma per-system average.

303
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
48
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Oaklake Trails Naturist Park

Oaklake Trails Naturist Park is a private-owned transient non-community water system that delivers drinking water to 48 residents in Depew, Oklahoma (Creek County) through 60 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 303 total violations for this system , of which 2 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 299 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 Coliform (TCR), recorded in 48 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%).

Oaklake Trails Naturist Park's 303 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
48
Total Violations
303
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
60
County
Creek
School/Daycare
No
MCL Violations
2
Monitoring Violations
299
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 48 2008
Vinyl chloride MR 11 2004
1,1-Dichloroethylene MR 11 2004
trans-1,2-Dichloroethylene MR 11 2004
1,1,1-Trichloroethane MR 11 2004
Tetrachloroethylene MR 11 2004
Toluene MR 11 2004
Styrene MR 11 2004
1,2,4-Trichlorobenzene MR 11 2004
cis-1,2-Dichloroethylene MR 11 2004
Carbon tetrachloride MR 11 2004
1,2-Dichloropropane MR 11 2004
Trichloroethylene MR 11 2004
1,1,2-Trichloroethane MR 11 2004
Benzene MR 11 2004
Ethylbenzene MR 11 2004
o-Dichlorobenzene MR 11 2004
p-Dichlorobenzene MR 11 2004
CHLOROBENZENE MR 11 2004
DICHLOROMETHANE MR 11 2004
Xylenes, Total MR 11 2004
Nitrite MR 8 2014
Nitrate-Nitrite MR 8 2004
Gross Alpha, Excl. Radon and U MR 4 2001
Combined Radium (-226 and -228) MR 4 2001
Gross Beta Particle Activity MR 4 2001
E. COLI MR 3 2022
Coliform (TCR) MCL 2 2000

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 Oaklake Trails Naturist Park.

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 OK2001993 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 3 SDWIS / OK2001993 / 3014
2014 Nitrite MR 8 SDWIS / OK2001993 / 1041
2008 Coliform (TCR) MR 48 SDWIS / OK2001993 / 3100
2004 Vinyl chloride MR 11 SDWIS / OK2001993 / 2976
2004 1,1-Dichloroethylene MR 11 SDWIS / OK2001993 / 2977
2004 trans-1,2-Dichloroethylene MR 11 SDWIS / OK2001993 / 2979
2004 1,1,1-Trichloroethane MR 11 SDWIS / OK2001993 / 2981
2004 Tetrachloroethylene MR 11 SDWIS / OK2001993 / 2987
2004 Toluene MR 11 SDWIS / OK2001993 / 2991
2004 Styrene MR 11 SDWIS / OK2001993 / 2996
2004 1,2,4-Trichlorobenzene MR 11 SDWIS / OK2001993 / 2378
2004 cis-1,2-Dichloroethylene MR 11 SDWIS / OK2001993 / 2380
2004 Carbon tetrachloride MR 11 SDWIS / OK2001993 / 2982
2004 1,2-Dichloropropane MR 11 SDWIS / OK2001993 / 2983
2004 Trichloroethylene MR 11 SDWIS / OK2001993 / 2984

How Oaklake Trails Naturist Park Compares

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

Metric Oaklake Trails Naturist Park Oklahoma avg Federal benchmark
Total violations 303 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 48 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 Oaklake Trails Naturist Park water safe to drink? ▼
Oaklake Trails Naturist Park (PWS ID: OK2001993) has 303 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 48 people using Groundwater sources.
How many people does Oaklake Trails Naturist Park serve? ▼
Oaklake Trails Naturist Park serves 48 people in Depew, Oklahoma. It is a Private-owned system using Groundwater water sources with 60 service connections.
What type of violations does Oaklake Trails Naturist Park have? ▼
Oaklake Trails Naturist Park has 303 total violations: 2 health-based violations (MCL exceedances or treatment failures), 299 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Oaklake Trails Naturist Park water? ▼
No PFAS testing data is available for Oaklake Trails Naturist Park under the EPA's UCMR5 monitoring program.
What water source does Oaklake Trails Naturist Park use? ▼
Oaklake Trails Naturist Park uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.