C55/100
MINCO — Water Quality Report 2026
Serving 1,632 people · Oklahoma
Water Source
Groundwater
County
—
System ID
OK2002610
Violations
21
Contaminant Test Results
EPA Violation History
3
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 3Unresolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Treatment technique violation
When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 – October 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 MINCO
Is MINCO water safe to drink?
MINCO water receives a grade of C (55/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 21 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MINCO detected?
1 contaminants were tested in MINCO's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does MINCO have any EPA violations?
Yes, MINCO has 21 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, MR. 6 are health-based violations.
How many people does MINCO serve?
MINCO serves approximately 1,632 people, Oklahoma.
What type of water does MINCO provide?
MINCO sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OK2002610.
How does MINCO compare to other utilities in Oklahoma?
MINCO scores 55/100 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.