A87/100
ORONOKO TOWNSHIP — Water Quality Report 2026
Serving 1,610 people · Michigan
Water Source
Purchased Groundwater
County
—
System ID
MI0005034
Violations
9
Contaminant Test Results
EPA Violation History
5
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – November 12, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – November 12, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 5, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
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.
When: January 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
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.
When: January 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: 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 ORONOKO TOWNSHIP
Is ORONOKO TOWNSHIP water safe to drink?
ORONOKO TOWNSHIP water receives a grade of A (87/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has ORONOKO TOWNSHIP detected?
1 contaminants were tested in ORONOKO TOWNSHIP's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does ORONOKO TOWNSHIP have any EPA violations?
Yes, ORONOKO TOWNSHIP has 9 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, Other. 1 are health-based violations.
How many people does ORONOKO TOWNSHIP serve?
ORONOKO TOWNSHIP serves approximately 1,610 people, Michigan.
What type of water does ORONOKO TOWNSHIP provide?
ORONOKO TOWNSHIP sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0005034.
How does ORONOKO TOWNSHIP compare to other utilities in Michigan?
ORONOKO TOWNSHIP scores 87/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Michigan state page for a full comparison of water systems.