F0/100
ARDMORE — Water Quality Report 2026
Serving 24,893 people · Oklahoma
Water Source
Surface Water
County
—
System ID
OK1010814
Violations
41
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.019 mg/L | 0.015 mg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 1 — URGENTResolved
Violation related to Nitrate
When: May 1, 2024 – May 31, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
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 ARDMORE
Is ARDMORE water safe to drink?
ARDMORE water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 41 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ARDMORE detected?
69 contaminants were tested in ARDMORE's water. Notable contaminants include Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does ARDMORE have any EPA violations?
Yes, ARDMORE has 41 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, MR, MCL. 28 are health-based violations.
How many people does ARDMORE serve?
ARDMORE serves approximately 24,893 people, Oklahoma.
What type of water does ARDMORE provide?
ARDMORE 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 OK1010814.
How does ARDMORE compare to other utilities in Oklahoma?
ARDMORE scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Oklahoma state page for a full comparison of water systems.