A94/100
SCIO TOWNSHIP — Water Quality Report 2026
Serving 8,500 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0005977
Violations
6
Contaminant Test Results
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 11, 2024 – December 2, 2024Rule: Total Coliform RuleEnforcement: Formal — state order issued
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 11, 2023 – November 27, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
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 11, 2022 – December 19, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – September 29, 2021Enforcement: 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 SCIO TOWNSHIP
Is SCIO TOWNSHIP water safe to drink?
SCIO TOWNSHIP water receives a grade of A (94/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has SCIO TOWNSHIP detected?
31 contaminants were tested in SCIO TOWNSHIP's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SCIO TOWNSHIP have any EPA violations?
Yes, SCIO TOWNSHIP has 6 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, MR, Other.
How many people does SCIO TOWNSHIP serve?
SCIO TOWNSHIP serves approximately 8,500 people, Michigan. The system provides water to 1 community: Ann Arbor.
What type of water does SCIO TOWNSHIP provide?
SCIO 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 MI0005977.
How does SCIO TOWNSHIP compare to other utilities in Michigan?
SCIO TOWNSHIP scores 94/100 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.