C54/100
CRESCENT — Water Quality Report 2026
Serving 1,411 people · Oklahoma
Water Source
Groundwater
County
—
System ID
OK2004204
Violations
19
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.49 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2022 – February 16, 2023Rule: 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 CRESCENT
Is CRESCENT water safe to drink?
CRESCENT water receives a grade of C (54/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 19 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CRESCENT detected?
2 contaminants were tested in CRESCENT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CRESCENT have any EPA violations?
Yes, CRESCENT has 19 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, MCL, Other. 4 are health-based violations.
How many people does CRESCENT serve?
CRESCENT serves approximately 1,411 people, Oklahoma.
What type of water does CRESCENT provide?
CRESCENT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OK2004204.
How does CRESCENT compare to other utilities in Oklahoma?
CRESCENT scores 54/100 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.