A84/100
SANDUSKY, CITY OF — Water Quality Report 2026
Serving 2,679 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0005920
Violations
12
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2023 – April 30, 2023Enforcement: 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 SANDUSKY, CITY OF
Is SANDUSKY, CITY OF water safe to drink?
SANDUSKY, CITY OF water receives a grade of A (84/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has SANDUSKY, CITY OF detected?
1 contaminants were tested in SANDUSKY, CITY OF's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SANDUSKY, CITY OF have any EPA violations?
Yes, SANDUSKY, CITY OF has 12 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does SANDUSKY, CITY OF serve?
SANDUSKY, CITY OF serves approximately 2,679 people, Michigan. The system provides water to 1 community: Sandusky.
What type of water does SANDUSKY, CITY OF provide?
SANDUSKY, CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0005920.
How does SANDUSKY, CITY OF compare to other utilities in Michigan?
SANDUSKY, CITY OF scores 84/100 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.