F0/100
CHEROKEE CO. RWD #13 — Water Quality Report 2026
Serving 1,640 people · Oklahoma
Water Source
Surface Water
County
—
System ID
OK1021721
Violations
72
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
2
Violations (last 5yr)
2
Unresolved
2
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
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 CHEROKEE CO. RWD #13
Is CHEROKEE CO. RWD #13 water safe to drink?
CHEROKEE CO. RWD #13 water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 72 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CHEROKEE CO. RWD #13 detected?
1 contaminants were tested in CHEROKEE CO. RWD #13's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CHEROKEE CO. RWD #13 have any EPA violations?
Yes, CHEROKEE CO. RWD #13 has 72 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR, TT. 41 are health-based violations.
How many people does CHEROKEE CO. RWD #13 serve?
CHEROKEE CO. RWD #13 serves approximately 1,640 people, Oklahoma.
What type of water does CHEROKEE CO. RWD #13 provide?
CHEROKEE CO. RWD #13 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 OK1021721.
How does CHEROKEE CO. RWD #13 compare to other utilities in Oklahoma?
CHEROKEE CO. RWD #13 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.