PlainWater

GRANT COUNTY RWD #1

PWS ID: OK3002707 · WAKITA, Oklahoma 73771

GRANT COUNTY RWD #1 serves 100 people in WAKITA, Oklahoma using Groundwater water sources. It has 110 recorded EPA violations, including 8 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GRANT COUNTY RWD #1

GRANT COUNTY RWD #1 is a local-owned community water system that delivers drinking water to 100 residents in WAKITA, Oklahoma (Grant County) through 110 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 110 total violations for this system , of which 8 (7%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 51 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 30 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. GRANT COUNTY RWD #1's 110 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
100
Total Violations
110
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
110
County
Grant
School/Daycare
No
MCL Violations
7
Monitoring Violations
51
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 30 2009
Chlorine MR 11 2025
Coliform (TCR) MCL 7 1993
Revised Total Coliform Rule MON 7 2025
Lead and Copper Rule MR 3 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024
LEAD AND COPPER RULE REVISIONS TT 1 2024
Consumer Confidence Rule Other 1 2025

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 GRANT COUNTY RWD #1.

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 OK3002707 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 Chlorine MR 11 SDWIS / OK3002707 / 0999
2025 Revised Total Coliform Rule MON 7 SDWIS / OK3002707 / 8000
2025 Consumer Confidence Rule Other 1 SDWIS / OK3002707 / 7000
2024 Lead and Copper Rule MR 3 SDWIS / OK3002707 / 5000
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / OK3002707 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / OK3002707 / 5200
2009 Coliform (TCR) MR 30 SDWIS / OK3002707 / 3100
1993 Coliform (TCR) MCL 7 SDWIS / OK3002707 / 3100

How GRANT COUNTY RWD #1 Compares

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

Metric GRANT COUNTY RWD #1 Oklahoma avg Federal benchmark
Total violations 110 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 8 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 100 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 GRANT COUNTY RWD #1 water safe to drink?
GRANT COUNTY RWD #1 (PWS ID: OK3002707) has 110 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does GRANT COUNTY RWD #1 serve?
GRANT COUNTY RWD #1 serves 100 people in WAKITA, Oklahoma. It is a Local-owned system using Groundwater water sources with 110 service connections.
What type of violations does GRANT COUNTY RWD #1 have?
GRANT COUNTY RWD #1 has 110 total violations: 8 health-based violations (MCL exceedances or treatment failures), 51 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GRANT COUNTY RWD #1 water?
No PFAS testing data is available for GRANT COUNTY RWD #1 under the EPA's UCMR5 monitoring program.
What water source does GRANT COUNTY RWD #1 use?
GRANT COUNTY RWD #1 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.

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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