PlainWater

BIG CABIN PWA

PWS ID: OK3001805 · BIG CABIN, Oklahoma 74332

BIG CABIN PWA serves 293 people in BIG CABIN, Oklahoma using Surface Water water sources. It has 261 recorded EPA violations, including 172 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: BIG CABIN PWA

BIG CABIN PWA is a local-owned community water system that delivers drinking water to 293 residents in BIG CABIN, Oklahoma (Craig County) through 308 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 261 total violations for this system , of which 172 (66%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 53 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 Total Haloacetic Acids (HAA5), recorded in 101 violations (MCL, health-based). 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. BIG CABIN PWA's 261 violations sit below 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
293
Total Violations
261
Health-Based Violations
172
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
308
County
Craig
School/Daycare
No
MCL Violations
172
Monitoring Violations
53
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 101 2025
TTHM MCL 71 2019
Total Haloacetic Acids (HAA5) MR 16 2021
Lead and Copper Rule MR 14 2023
TTHM MR 12 2021
Coliform (TCR) MR 8 2003
Chlorine MR 3 2017

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 BIG CABIN PWA.

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 OK3001805 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 Total Haloacetic Acids (HAA5) MCL 101 SDWIS / OK3001805 / 2456
2023 Lead and Copper Rule MR 14 SDWIS / OK3001805 / 5000
2021 Total Haloacetic Acids (HAA5) MR 16 SDWIS / OK3001805 / 2456
2021 TTHM MR 12 SDWIS / OK3001805 / 2950
2019 TTHM MCL 71 SDWIS / OK3001805 / 2950
2017 Chlorine MR 3 SDWIS / OK3001805 / 0999
2003 Coliform (TCR) MR 8 SDWIS / OK3001805 / 3100

How BIG CABIN PWA Compares

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

Metric BIG CABIN PWA Oklahoma avg Federal benchmark
Total violations 261 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 172 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 293 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 BIG CABIN PWA water safe to drink?
BIG CABIN PWA (PWS ID: OK3001805) has 261 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 293 people using Surface Water sources.
How many people does BIG CABIN PWA serve?
BIG CABIN PWA serves 293 people in BIG CABIN, Oklahoma. It is a Local-owned system using Surface Water water sources with 308 service connections.
What type of violations does BIG CABIN PWA have?
BIG CABIN PWA has 261 total violations: 172 health-based violations (MCL exceedances or treatment failures), 53 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in BIG CABIN PWA water?
No PFAS testing data is available for BIG CABIN PWA under the EPA's UCMR5 monitoring program.
What water source does BIG CABIN PWA use?
BIG CABIN PWA uses Surface Water 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial