PlainWater

OKARCHE RWD, INC

PWS ID: OK2003715 · OKARCHE, Oklahoma 73762

OKARCHE RWD, INC serves 250 people in OKARCHE, Oklahoma using Groundwater water sources. It has 1,097 recorded EPA violations, including 910 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: OKARCHE RWD, INC

OKARCHE RWD, INC is a private-owned community water system that delivers drinking water to 250 residents in OKARCHE, Oklahoma (Kingfisher County) through 120 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,097 total violations for this system , of which 910 (83%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 168 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 Nitrate-Nitrite, recorded in 513 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. OKARCHE RWD, INC's 1,097 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
250
Total Violations
1,097
Health-Based Violations
910
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
120
County
Kingfisher
School/Daycare
No
MCL Violations
909
Monitoring Violations
168
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate-Nitrite MCL 513 2025
Nitrate MCL 233 2003
Vinyl chloride MCL 163 2014
Vinyl chloride MR 24 2014
Coliform (TCR) MR 23 2011
Nitrate-Nitrite MR 18 2007
Lead and Copper Rule MR 15 2010
Chlorine MR 8 2024
Consumer Confidence Rule Other 7 2025
p-Dichlorobenzene MR 4 2012
trans-1,2-Dichloroethylene MR 4 2012
Benzene MR 4 2012
Toluene MR 4 2012
Ethylbenzene MR 4 2012
Carbon tetrachloride MR 4 2012
1,2,4-Trichlorobenzene MR 4 2012
1,2-Dichloropropane MR 4 2012
DICHLOROMETHANE MR 4 2012
Styrene MR 4 2012
1,1-Dichloroethylene MR 4 2012
1,1,1-Trichloroethane MR 4 2012
CHLOROBENZENE MR 4 2012
o-Dichlorobenzene MR 4 2012
Xylenes, Total MR 4 2012
Tetrachloroethylene MR 4 2012
Trichloroethylene MR 4 2012
1,1,2-Trichloroethane MR 4 2012
1,2-Dichloroethane MR 4 2012
cis-1,2-Dichloroethylene MR 4 2012
LEAD AND COPPER RULE REVISIONS TT 1 2024

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 OKARCHE RWD, INC.

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 OK2003715 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 Nitrate-Nitrite MCL 513 SDWIS / OK2003715 / 1038
2025 Consumer Confidence Rule Other 7 SDWIS / OK2003715 / 7000
2024 Chlorine MR 8 SDWIS / OK2003715 / 0999
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / OK2003715 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / OK2003715 / 5200
2014 Vinyl chloride MCL 163 SDWIS / OK2003715 / 2976
2014 Vinyl chloride MR 24 SDWIS / OK2003715 / 2976
2012 p-Dichlorobenzene MR 4 SDWIS / OK2003715 / 2969
2012 trans-1,2-Dichloroethylene MR 4 SDWIS / OK2003715 / 2979
2012 Benzene MR 4 SDWIS / OK2003715 / 2990
2012 Toluene MR 4 SDWIS / OK2003715 / 2991
2012 Ethylbenzene MR 4 SDWIS / OK2003715 / 2992
2012 Carbon tetrachloride MR 4 SDWIS / OK2003715 / 2982
2012 1,2,4-Trichlorobenzene MR 4 SDWIS / OK2003715 / 2378
2012 1,2-Dichloropropane MR 4 SDWIS / OK2003715 / 2983

How OKARCHE RWD, INC Compares

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

Metric OKARCHE RWD, INC Oklahoma avg Federal benchmark
Total violations 1,097 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 910 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 250 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 OKARCHE RWD, INC water safe to drink?
OKARCHE RWD, INC (PWS ID: OK2003715) has 1097 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 250 people using Groundwater sources.
How many people does OKARCHE RWD, INC serve?
OKARCHE RWD, INC serves 250 people in OKARCHE, Oklahoma. It is a Private-owned system using Groundwater water sources with 120 service connections.
What type of violations does OKARCHE RWD, INC have?
OKARCHE RWD, INC has 1,097 total violations: 910 health-based violations (MCL exceedances or treatment failures), 168 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in OKARCHE RWD, INC water?
No PFAS testing data is available for OKARCHE RWD, INC under the EPA's UCMR5 monitoring program.
What water source does OKARCHE RWD, INC use?
OKARCHE RWD, INC 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