C41/100
GROVE MUNICIPAL SERVICES AUTH. — Water Quality Report 2026
Serving 7,311 people · Oklahoma
Water Source
Surface Water
County
—
System ID
OK1021614
Violations
20
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.009 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Unresolved
Failed treatment technique requirements
When: December 1, 2023 – December 31, 2023Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – September 28, 2022Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About GROVE MUNICIPAL SERVICES AUTH.
Is GROVE MUNICIPAL SERVICES AUTH. water safe to drink?
GROVE MUNICIPAL SERVICES AUTH. water receives a grade of C (41/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 20 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has GROVE MUNICIPAL SERVICES AUTH. detected?
69 contaminants were tested in GROVE MUNICIPAL SERVICES AUTH.'s water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GROVE MUNICIPAL SERVICES AUTH. have any EPA violations?
Yes, GROVE MUNICIPAL SERVICES AUTH. has 20 EPA violation(s) on record, with the most recent in 2023. Violation types include TT, Other, MR. 9 are health-based violations.
How many people does GROVE MUNICIPAL SERVICES AUTH. serve?
GROVE MUNICIPAL SERVICES AUTH. serves approximately 7,311 people, Oklahoma.
What type of water does GROVE MUNICIPAL SERVICES AUTH. provide?
GROVE MUNICIPAL SERVICES AUTH. sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OK1021614.
How does GROVE MUNICIPAL SERVICES AUTH. compare to other utilities in Oklahoma?
GROVE MUNICIPAL SERVICES AUTH. scores 41/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Oklahoma state page for a full comparison of water systems.