PlainWater

STIGLER

PWS ID: OK1020303 · STIGLER, Oklahoma 74462

STIGLER serves 2,731 people in STIGLER, Oklahoma using Surface Water water sources. It has 199 recorded EPA violations, including 109 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: STIGLER

STIGLER is a local-owned community water system that delivers drinking water to 2,731 residents in STIGLER, Oklahoma (Haskell County) through 1,393 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 199 total violations for this system , of which 109 (55%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 39 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is CARBON, TOTAL, recorded in 74 violations (TT, 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. STIGLER's 199 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
2,731
Total Violations
199
Health-Based Violations
109
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,393
County
Haskell
School/Daycare
No
MCL Violations
16
Monitoring Violations
39
Treatment Tech Violations
93

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
CARBON, TOTAL TT 74 2023
Interim Enhanced Surface Water Treatment Rule TT 16 2010
Lead and Copper Rule MR 11 2001
Nitrate-Nitrite MR 8 2024
Coliform (TCR) MCL 8 2006
TTHM MCL 8 2015
CARBON, TOTAL MR 6 2004
Coliform (TCR) MR 5 2009
Total Haloacetic Acids (HAA5) MR 4 2022
TTHM MR 4 2022
Surface Water Treatment Rule TT 3 1995
Surface Water Treatment Rule MR 1 1999

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 STIGLER.

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 OK1020303 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
2024 Nitrate-Nitrite MR 8 SDWIS / OK1020303 / 1038
2023 CARBON, TOTAL TT 74 SDWIS / OK1020303 / 2920
2022 Total Haloacetic Acids (HAA5) MR 4 SDWIS / OK1020303 / 2456
2022 TTHM MR 4 SDWIS / OK1020303 / 2950
2015 TTHM MCL 8 SDWIS / OK1020303 / 2950
2010 Interim Enhanced Surface Water Treatment Rule TT 16 SDWIS / OK1020303 / 0300
2009 Coliform (TCR) MR 5 SDWIS / OK1020303 / 3100
2006 Coliform (TCR) MCL 8 SDWIS / OK1020303 / 3100
2004 CARBON, TOTAL MR 6 SDWIS / OK1020303 / 2920
2001 Lead and Copper Rule MR 11 SDWIS / OK1020303 / 5000
1999 Surface Water Treatment Rule MR 1 SDWIS / OK1020303 / 0200
1995 Surface Water Treatment Rule TT 3 SDWIS / OK1020303 / 0200

How STIGLER Compares

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

Metric STIGLER Oklahoma avg Federal benchmark
Total violations 199 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 109 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 2,731 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 STIGLER water safe to drink?
STIGLER (PWS ID: OK1020303) has 199 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,731 people using Surface Water sources.
How many people does STIGLER serve?
STIGLER serves 2,731 people in STIGLER, Oklahoma. It is a Local-owned system using Surface Water water sources with 1,393 service connections.
What type of violations does STIGLER have?
STIGLER has 199 total violations: 109 health-based violations (MCL exceedances or treatment failures), 39 monitoring/reporting violations, and 93 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in STIGLER water?
No PFAS testing data is available for STIGLER under the EPA's UCMR5 monitoring program.
What water source does STIGLER use?
STIGLER 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 Kiznis Studio Editorial