F0/100
CHEROKEE — Water Quality Report 2026
Serving 1,630 people · Oklahoma
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
OK2000208
Violations
67
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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
Is CHEROKEE water safe to drink?
CHEROKEE water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 67 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CHEROKEE detected?
1 contaminants were tested in CHEROKEE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CHEROKEE have any EPA violations?
Yes, CHEROKEE has 67 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, TT, Other. 15 are health-based violations.
How many people does CHEROKEE serve?
CHEROKEE serves approximately 1,630 people, Oklahoma.
What type of water does CHEROKEE provide?
CHEROKEE sources its water from groundwater under influence of surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OK2000208.
How does CHEROKEE compare to other utilities in Oklahoma?
CHEROKEE 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.