F5/100
CHELSEA ECONOMIC DEV. AUTH. — Water Quality Report 2026
Serving 1,964 people · Oklahoma
Water Source
Surface Water
County
—
System ID
OK1021504
Violations
52
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 CHELSEA ECONOMIC DEV. AUTH.
Is CHELSEA ECONOMIC DEV. AUTH. water safe to drink?
CHELSEA ECONOMIC DEV. AUTH. water receives a grade of F (5/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 52 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CHELSEA ECONOMIC DEV. AUTH. detected?
1 contaminants were tested in CHELSEA ECONOMIC DEV. AUTH.'s water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CHELSEA ECONOMIC DEV. AUTH. have any EPA violations?
Yes, CHELSEA ECONOMIC DEV. AUTH. has 52 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, Other, MCL. 10 are health-based violations.
How many people does CHELSEA ECONOMIC DEV. AUTH. serve?
CHELSEA ECONOMIC DEV. AUTH. serves approximately 1,964 people, Oklahoma.
What type of water does CHELSEA ECONOMIC DEV. AUTH. provide?
CHELSEA ECONOMIC DEV. 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 OK1021504.
How does CHELSEA ECONOMIC DEV. AUTH. compare to other utilities in Oklahoma?
CHELSEA ECONOMIC DEV. AUTH. scores 5/100 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.