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MASON TRAILER PARK

PWS ID: OK2007062 · PONCA CITY, Oklahoma 74604

MASON TRAILER PARK serves 50 people in PONCA CITY, Oklahoma using Groundwater water sources. It has 603 recorded EPA violations, including 7 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MASON TRAILER PARK

MASON TRAILER PARK is a private-owned community water system that delivers drinking water to 50 residents in PONCA CITY, Oklahoma (Texas County) through 24 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 603 total violations for this system , of which 7 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 590 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 58 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. MASON TRAILER PARK's 603 violations sit above the Oklahoma average. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%). 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
50
Total Violations
603
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
24
County
Texas
School/Daycare
No
MCL Violations
7
Monitoring Violations
590
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 58 2013
Revised Total Coliform Rule MON 28 2024
Vinyl chloride MR 23 2015
DICHLOROMETHANE MR 23 2015
1,1-Dichloroethylene MR 23 2015
1,1,1-Trichloroethane MR 23 2015
1,1,2-Trichloroethane MR 23 2015
Tetrachloroethylene MR 23 2015
CHLOROBENZENE MR 23 2015
o-Dichlorobenzene MR 23 2015
Benzene MR 23 2015
Ethylbenzene MR 23 2015
1,2,4-Trichlorobenzene MR 23 2015
cis-1,2-Dichloroethylene MR 23 2015
Xylenes, Total MR 23 2015
p-Dichlorobenzene MR 23 2015
Carbon tetrachloride MR 23 2015
1,2-Dichloropropane MR 23 2015
Styrene MR 23 2015
trans-1,2-Dichloroethylene MR 23 2015
Trichloroethylene MR 23 2015
Toluene MR 23 2015
Lead and Copper Rule MR 14 2025
Nitrate-Nitrite MR 8 2022
Coliform (TCR) MCL 7 2008
Consumer Confidence Rule Other 5 2016
Gross Alpha, Excl. Radon and U MR 4 2001
1,2-Dichloroethane MR 4 2015
Gross Beta Particle Activity MR 4 2001
Combined Radium (-226 and -228) MR 4 2001

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 MASON TRAILER 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 OK2007062 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 Lead and Copper Rule MR 14 SDWIS / OK2007062 / 5000
2024 Revised Total Coliform Rule MON 28 SDWIS / OK2007062 / 8000
2022 Nitrate-Nitrite MR 8 SDWIS / OK2007062 / 1038
2022 E. COLI MR 4 SDWIS / OK2007062 / 3014
2016 Consumer Confidence Rule Other 5 SDWIS / OK2007062 / 7000
2015 Vinyl chloride MR 23 SDWIS / OK2007062 / 2976
2015 DICHLOROMETHANE MR 23 SDWIS / OK2007062 / 2964
2015 1,1-Dichloroethylene MR 23 SDWIS / OK2007062 / 2977
2015 1,1,1-Trichloroethane MR 23 SDWIS / OK2007062 / 2981
2015 1,1,2-Trichloroethane MR 23 SDWIS / OK2007062 / 2985
2015 Tetrachloroethylene MR 23 SDWIS / OK2007062 / 2987
2015 CHLOROBENZENE MR 23 SDWIS / OK2007062 / 2989
2015 o-Dichlorobenzene MR 23 SDWIS / OK2007062 / 2968
2015 Benzene MR 23 SDWIS / OK2007062 / 2990
2015 Ethylbenzene MR 23 SDWIS / OK2007062 / 2992

How MASON TRAILER PARK Compares

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

Metric MASON TRAILER PARK Oklahoma avg Federal benchmark
Total violations 603 266.8 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 50 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is MASON TRAILER PARK water safe to drink? ▼
MASON TRAILER PARK (PWS ID: OK2007062) has 603 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does MASON TRAILER PARK serve? ▼
MASON TRAILER PARK serves 50 people in PONCA CITY, Oklahoma. It is a Private-owned system using Groundwater water sources with 24 service connections.
What type of violations does MASON TRAILER PARK have? ▼
MASON TRAILER PARK has 603 total violations: 7 health-based violations (MCL exceedances or treatment failures), 590 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MASON TRAILER PARK water? ▼
No PFAS testing data is available for MASON TRAILER PARK under the EPA's UCMR5 monitoring program.
What water source does MASON TRAILER PARK use? ▼
MASON TRAILER PARK 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.

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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.

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