A88/100
MAYES CO RWD # 5 — Water Quality Report 2026
Serving 3,360 people · Oklahoma
Water Source
Purchased Surface Water
County
—
System ID
OK3004616
Violations
4
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
1
Health-Related
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 MAYES CO RWD # 5
Is MAYES CO RWD # 5 water safe to drink?
MAYES CO RWD # 5 water receives a grade of A (88/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has MAYES CO RWD # 5 detected?
31 contaminants were tested in MAYES CO RWD # 5's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does MAYES CO RWD # 5 have any EPA violations?
Yes, MAYES CO RWD # 5 has 4 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR. 2 are health-based violations.
How many people does MAYES CO RWD # 5 serve?
MAYES CO RWD # 5 serves approximately 3,360 people, Oklahoma.
What type of water does MAYES CO RWD # 5 provide?
MAYES CO RWD # 5 sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OK3004616.
How does MAYES CO RWD # 5 compare to other utilities in Oklahoma?
MAYES CO RWD # 5 scores 88/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Oklahoma state page for a full comparison of water systems.