C53/100
WILSON MUNICIPAL AUTHORITY — Water Quality Report 2026
Serving 1,600 people · Oklahoma
Water Source
Groundwater
County
—
System ID
OK2001001
Violations
28
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2025 – April 10, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – July 15, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – July 15, 2025Rule: Ground Water RuleEnforcement: 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 WILSON MUNICIPAL AUTHORITY
Is WILSON MUNICIPAL AUTHORITY water safe to drink?
WILSON MUNICIPAL AUTHORITY water receives a grade of C (53/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 28 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WILSON MUNICIPAL AUTHORITY detected?
1 contaminants were tested in WILSON MUNICIPAL AUTHORITY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WILSON MUNICIPAL AUTHORITY have any EPA violations?
Yes, WILSON MUNICIPAL AUTHORITY has 28 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, TT. 4 are health-based violations.
How many people does WILSON MUNICIPAL AUTHORITY serve?
WILSON MUNICIPAL AUTHORITY serves approximately 1,600 people, Oklahoma.
What type of water does WILSON MUNICIPAL AUTHORITY provide?
WILSON MUNICIPAL AUTHORITY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OK2001001.
How does WILSON MUNICIPAL AUTHORITY compare to other utilities in Oklahoma?
WILSON MUNICIPAL AUTHORITY scores 53/100 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.