PlainWater

HARDESTY UTILITIES

PWS ID: OK2007004 · HARDESTY, Oklahoma 73944

HARDESTY UTILITIES serves 277 people in HARDESTY, Oklahoma using Groundwater water sources. It has 428 recorded EPA violations, including 19 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HARDESTY UTILITIES

HARDESTY UTILITIES is a local-owned community water system that delivers drinking water to 277 residents in HARDESTY, Oklahoma (Texas County) through 135 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 428 total violations for this system , of which 19 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 375 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 31 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. HARDESTY UTILITIES's 428 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
277
Total Violations
428
Health-Based Violations
19
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
135
County
Texas
School/Daycare
No
MCL Violations
19
Monitoring Violations
375
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 31 2015
Consumer Confidence Rule Other 18 2025
Lead and Copper Rule MR 12 2018
Gross Alpha, Excl. Radon and U MR 12 2024
Combined Uranium MR 12 2024
Combined Radium (-226 and -228) MR 12 2024
Gross Beta Particle Activity MR 12 2024
1,2,4-Trichlorobenzene MR 12 2024
cis-1,2-Dichloroethylene MR 12 2024
Xylenes, Total MR 12 2024
Vinyl chloride MR 12 2024
1,1-Dichloroethylene MR 12 2024
trans-1,2-Dichloroethylene MR 12 2024
1,2-Dichloroethane MR 12 2024
1,1,1-Trichloroethane MR 12 2024
1,2-Dichloropropane MR 12 2024
Trichloroethylene MR 12 2024
Benzene MR 12 2024
DICHLOROMETHANE MR 12 2024
o-Dichlorobenzene MR 12 2024
1,1,2-Trichloroethane MR 12 2024
Tetrachloroethylene MR 12 2024
Ethylbenzene MR 12 2024
Styrene MR 12 2024
p-Dichlorobenzene MR 12 2024
Carbon tetrachloride MR 12 2024
CHLOROBENZENE MR 12 2024
Toluene MR 12 2024
Glyphosate MR 11 2024
Coliform (TCR) MCL 11 2002

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 HARDESTY UTILITIES.

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 OK2007004 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 18 SDWIS / OK2007004 / 7000
2024 Gross Alpha, Excl. Radon and U MR 12 SDWIS / OK2007004 / 4000
2024 Combined Uranium MR 12 SDWIS / OK2007004 / 4006
2024 Combined Radium (-226 and -228) MR 12 SDWIS / OK2007004 / 4010
2024 Gross Beta Particle Activity MR 12 SDWIS / OK2007004 / 4100
2024 1,2,4-Trichlorobenzene MR 12 SDWIS / OK2007004 / 2378
2024 cis-1,2-Dichloroethylene MR 12 SDWIS / OK2007004 / 2380
2024 Xylenes, Total MR 12 SDWIS / OK2007004 / 2955
2024 Vinyl chloride MR 12 SDWIS / OK2007004 / 2976
2024 1,1-Dichloroethylene MR 12 SDWIS / OK2007004 / 2977
2024 trans-1,2-Dichloroethylene MR 12 SDWIS / OK2007004 / 2979
2024 1,2-Dichloroethane MR 12 SDWIS / OK2007004 / 2980
2024 1,1,1-Trichloroethane MR 12 SDWIS / OK2007004 / 2981
2024 1,2-Dichloropropane MR 12 SDWIS / OK2007004 / 2983
2024 Trichloroethylene MR 12 SDWIS / OK2007004 / 2984

How HARDESTY UTILITIES Compares

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

Metric HARDESTY UTILITIES Oklahoma avg Federal benchmark
Total violations 428 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 19 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 277 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 HARDESTY UTILITIES water safe to drink?
HARDESTY UTILITIES (PWS ID: OK2007004) has 428 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 277 people using Groundwater sources.
How many people does HARDESTY UTILITIES serve?
HARDESTY UTILITIES serves 277 people in HARDESTY, Oklahoma. It is a Local-owned system using Groundwater water sources with 135 service connections.
What type of violations does HARDESTY UTILITIES have?
HARDESTY UTILITIES has 428 total violations: 19 health-based violations (MCL exceedances or treatment failures), 375 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HARDESTY UTILITIES water?
No PFAS testing data is available for HARDESTY UTILITIES under the EPA's UCMR5 monitoring program.
What water source does HARDESTY UTILITIES use?
HARDESTY UTILITIES 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.

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