A99/100
OTSEGO — Water Quality Report 2026
Serving 4,120 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0005060
Violations
1
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
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: July 11, 2024 – August 22, 2024Rule: 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 OTSEGO
Is OTSEGO water safe to drink?
OTSEGO water receives a grade of A (99/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has OTSEGO detected?
31 contaminants were tested in OTSEGO's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does OTSEGO have any EPA violations?
Yes, OTSEGO has 1 EPA violation(s) on record, with the most recent in 2024. Violation types include MR.
How many people does OTSEGO serve?
OTSEGO serves approximately 4,120 people, Michigan. The system provides water to 1 community: Otsego.
What type of water does OTSEGO provide?
OTSEGO sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0005060.
How does OTSEGO compare to other utilities in Michigan?
OTSEGO scores 99/100 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.