GRAYHORSE RWD EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system OK3005717. It does not test household tap water or determine whether water is currently safe to drink.

F

Frequent health-based records

TapScore compliance-history grade

38 EPA violation records from July 1, 2021 through June 30, 2026

23 classified as health-based

System details

PWSID
OK3005717
Population served
100
Water source
Surface Water
Owner type
Local Government
State
Oklahoma
EPA region
6
All historical records
99
Not marked resolved
57

How to read this grade

Grade F means “Frequent health-based records” under TapScore's published method. It is a comparison of recent EPA compliance records, not an EPA grade, laboratory result, health recommendation, or guarantee of present water quality.

EPA contaminant categories in violation records

EPA categoryClassificationRecords
Total Trihalomethanes (TTHMs)Health-based record49
Haloacetic Acids (HAA5)Health-based record36
Consumer Confidence RuleMonitoring/reporting record7
Lead and Copper RuleMonitoring/reporting record4
Coliform (TCR)Monitoring/reporting record2

These are compliance records associated with an EPA contaminant code, not current tap-water test results or proof that a substance is presently detected.

Violation history by year

2025
6
2024
6
2023
8
2022
13
2021
11
2020
4
2019
14
2018
11
2017
10
2016
6

Historical counts may include resolved records. For current notices and local sampling results, check the utility's latest Consumer Confidence Report and your state drinking-water agency.

Reported service area

Cities served

ZIP codes served

County: Osage