A96/100
COTTRELLVILLE TOWNSHIP — Water Quality Report 2026
Serving 3,200 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0001650
Violations
4
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
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: April 1, 2023 – June 30, 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: April 1, 2023 – June 30, 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 COTTRELLVILLE TOWNSHIP
Is COTTRELLVILLE TOWNSHIP water safe to drink?
COTTRELLVILLE TOWNSHIP water receives a grade of A (96/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has COTTRELLVILLE TOWNSHIP detected?
1 contaminants were tested in COTTRELLVILLE TOWNSHIP's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does COTTRELLVILLE TOWNSHIP have any EPA violations?
Yes, COTTRELLVILLE TOWNSHIP has 4 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, Other.
How many people does COTTRELLVILLE TOWNSHIP serve?
COTTRELLVILLE TOWNSHIP serves approximately 3,200 people, Michigan.
What type of water does COTTRELLVILLE TOWNSHIP provide?
COTTRELLVILLE TOWNSHIP 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 MI0001650.
How does COTTRELLVILLE TOWNSHIP compare to other utilities in Michigan?
COTTRELLVILLE TOWNSHIP scores 96/100 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.