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A83/100

CASS COUNTY WATER SYSTEM — Water Quality Report 2026

Serving 1,350 people · Michigan

Water Source
Groundwater
County
—
System ID
MI0005234
Violations
9

Contaminant Test Results

EPA Violation History

7

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 – December 31, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Treatment technique violation

When: October 17, 2024 – December 31, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2022 – October 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: September 1, 2022 – September 30, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2022 – July 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: June 1, 2022 – June 30, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: May 1, 2022 – May 31, 2022Rule: Total Coliform 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 CASS COUNTY WATER SYSTEM

Is CASS COUNTY WATER SYSTEM water safe to drink?

CASS COUNTY WATER SYSTEM water receives a grade of A (83/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.

What contaminants has CASS COUNTY WATER SYSTEM detected?

1 contaminants were tested in CASS COUNTY WATER SYSTEM's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does CASS COUNTY WATER SYSTEM have any EPA violations?

Yes, CASS COUNTY WATER SYSTEM has 9 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, MON. 2 are health-based violations.

How many people does CASS COUNTY WATER SYSTEM serve?

CASS COUNTY WATER SYSTEM serves approximately 1,350 people, Michigan.

What type of water does CASS COUNTY WATER SYSTEM provide?

CASS COUNTY WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0005234.

How does CASS COUNTY WATER SYSTEM compare to other utilities in Michigan?

CASS COUNTY WATER SYSTEM scores 83/100 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.