PlainWater

CHEROKEE CO. RWD #12

PWS ID: OK2001189 · HULBERT, Oklahoma 74441

CHEROKEE CO. RWD #12 serves 95 people in HULBERT, Oklahoma using Groundwater water sources. It has 204 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CHEROKEE CO. RWD #12

CHEROKEE CO. RWD #12 is a local-owned community water system that delivers drinking water to 95 residents in HULBERT, Oklahoma (Cherokee County) through 87 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 204 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 166 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 20 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. CHEROKEE CO. RWD #12's 204 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
95
Total Violations
204
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
87
County
Cherokee
School/Daycare
No
MCL Violations
0
Monitoring Violations
166
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 20 2015
Lead and Copper Rule MR 14 2022
cis-1,2-Dichloroethylene MR 6 2021
p-Dichlorobenzene MR 6 2021
1,1-Dichloroethylene MR 6 2021
Carbon tetrachloride MR 6 2021
1,2-Dichloropropane MR 6 2021
Trichloroethylene MR 6 2021
Tetrachloroethylene MR 6 2021
CHLOROBENZENE MR 6 2021
Benzene MR 6 2021
Toluene MR 6 2021
o-Dichlorobenzene MR 6 2021
1,1,1-Trichloroethane MR 6 2021
1,1,2-Trichloroethane MR 6 2021
Ethylbenzene MR 6 2021
Styrene MR 6 2021
1,2,4-Trichlorobenzene MR 6 2021
trans-1,2-Dichloroethylene MR 6 2021
Xylenes, Total MR 6 2021
DICHLOROMETHANE MR 6 2021
Vinyl chloride MR 6 2021
Nitrate-Nitrite MR 4 2003
Consumer Confidence Rule Other 4 2017
Chlorine MR 4 2021
1,2-Dichloroethane MR 4 2021

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 CHEROKEE CO. RWD #12.

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 OK2001189 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 Lead and Copper Rule MR 14 SDWIS / OK2001189 / 5000
2021 cis-1,2-Dichloroethylene MR 6 SDWIS / OK2001189 / 2380
2021 p-Dichlorobenzene MR 6 SDWIS / OK2001189 / 2969
2021 1,1-Dichloroethylene MR 6 SDWIS / OK2001189 / 2977
2021 Carbon tetrachloride MR 6 SDWIS / OK2001189 / 2982
2021 1,2-Dichloropropane MR 6 SDWIS / OK2001189 / 2983
2021 Trichloroethylene MR 6 SDWIS / OK2001189 / 2984
2021 Tetrachloroethylene MR 6 SDWIS / OK2001189 / 2987
2021 CHLOROBENZENE MR 6 SDWIS / OK2001189 / 2989
2021 Benzene MR 6 SDWIS / OK2001189 / 2990
2021 Toluene MR 6 SDWIS / OK2001189 / 2991
2021 o-Dichlorobenzene MR 6 SDWIS / OK2001189 / 2968
2021 1,1,1-Trichloroethane MR 6 SDWIS / OK2001189 / 2981
2021 1,1,2-Trichloroethane MR 6 SDWIS / OK2001189 / 2985
2021 Ethylbenzene MR 6 SDWIS / OK2001189 / 2992

How CHEROKEE CO. RWD #12 Compares

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

Metric CHEROKEE CO. RWD #12 Oklahoma avg Federal benchmark
Total violations 204 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 95 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 CHEROKEE CO. RWD #12 water safe to drink?
CHEROKEE CO. RWD #12 (PWS ID: OK2001189) has 204 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 95 people using Groundwater sources.
How many people does CHEROKEE CO. RWD #12 serve?
CHEROKEE CO. RWD #12 serves 95 people in HULBERT, Oklahoma. It is a Local-owned system using Groundwater water sources with 87 service connections.
What type of violations does CHEROKEE CO. RWD #12 have?
CHEROKEE CO. RWD #12 has 204 total violations: 0 health-based violations (MCL exceedances or treatment failures), 166 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CHEROKEE CO. RWD #12 water?
No PFAS testing data is available for CHEROKEE CO. RWD #12 under the EPA's UCMR5 monitoring program.
What water source does CHEROKEE CO. RWD #12 use?
CHEROKEE CO. RWD #12 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