A88/100
Caseville Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,005 residents · Michigan
What's In Caseville's Tap Water?
2
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.44 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – September 17, 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
Water Utility Details
CASEVILLE TOWNSHIP
Population Served
2,005
Water Source
Purchased Surface Water
System ID
MI0001195
Frequently Asked Questions About Caseville Water
Is Caseville tap water safe to drink?
Caseville, Michigan tap water receives a grade of A (88/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 2 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Caseville's water?
Of the 2 contaminants tested in Caseville's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Caseville have any water quality violations?
Yes, Caseville has 1 EPA violation(s) on record, with the most recent in 2021. Violation types include Other. None of these are classified as health-based violations.
Do I need a water filter in Caseville?
Based on EPA data, using a water filter in Caseville is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Caseville's tap water come from?
Caseville's drinking water is sourced from purchased surface water and supplied by CASEVILLE TOWNSHIP. The system serves approximately 2,005 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Caseville's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Caseville's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Caseville's water compare to other cities in Michigan?
Caseville's water quality score of 88/100 earns a grade of A, which is considered excellent. This places Caseville among the better-performing water systems in Michigan. Visit our Michigan state page to see how all cities in the state compare.
What should I do if I'm concerned about Caseville's water quality?
If you have concerns about Caseville's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (CASEVILLE TOWNSHIP) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.