A94/100
OAK HILL ESTATES MHC — Water Quality Report 2026
Serving 1,260 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0040391
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 OAK HILL ESTATES MHC
Is OAK HILL ESTATES MHC water safe to drink?
OAK HILL ESTATES MHC water receives a grade of A (94/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has OAK HILL ESTATES MHC detected?
1 contaminants were tested in OAK HILL ESTATES MHC's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does OAK HILL ESTATES MHC have any EPA violations?
Yes, OAK HILL ESTATES MHC has 3 EPA violation(s) on record, with the most recent in 2019. Violation types include MON, MR.
How many people does OAK HILL ESTATES MHC serve?
OAK HILL ESTATES MHC serves approximately 1,260 people, Michigan.
What type of water does OAK HILL ESTATES MHC provide?
OAK HILL ESTATES MHC sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0040391.
How does OAK HILL ESTATES MHC compare to other utilities in Michigan?
OAK HILL ESTATES MHC 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.