F0/100
EAST CENTRAL OKLAHOMA WATER AUTHORITY — Water Quality Report 2026
Serving 1,200 people · Oklahoma
Water Source
Surface Water
County
—
System ID
OK1021713
Violations
92
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Failed treatment technique requirements
When: October 1, 2021 – October 31, 2021Rule: 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 EAST CENTRAL OKLAHOMA WATER AUTHORITY
Is EAST CENTRAL OKLAHOMA WATER AUTHORITY water safe to drink?
EAST CENTRAL OKLAHOMA WATER AUTHORITY water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 92 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has EAST CENTRAL OKLAHOMA WATER AUTHORITY detected?
1 contaminants were tested in EAST CENTRAL OKLAHOMA WATER AUTHORITY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does EAST CENTRAL OKLAHOMA WATER AUTHORITY have any EPA violations?
Yes, EAST CENTRAL OKLAHOMA WATER AUTHORITY has 92 EPA violation(s) on record, with the most recent in 2021. Violation types include TT, MR, MCL. 29 are health-based violations.
How many people does EAST CENTRAL OKLAHOMA WATER AUTHORITY serve?
EAST CENTRAL OKLAHOMA WATER AUTHORITY serves approximately 1,200 people, Oklahoma.
What type of water does EAST CENTRAL OKLAHOMA WATER AUTHORITY provide?
EAST CENTRAL OKLAHOMA WATER AUTHORITY 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 OK1021713.
How does EAST CENTRAL OKLAHOMA WATER AUTHORITY compare to other utilities in Oklahoma?
EAST CENTRAL OKLAHOMA WATER AUTHORITY 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.