B70/100
GROSSE POINTE PARK — Water Quality Report 2026
Serving 11,555 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0002900
Violations
23
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
5
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: November 23, 2023 – January 26, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved
Public notification violation
When: July 1, 2023 – December 31, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – November 15, 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
Frequently Asked Questions About GROSSE POINTE PARK
Is GROSSE POINTE PARK water safe to drink?
GROSSE POINTE PARK water receives a grade of B (70/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GROSSE POINTE PARK detected?
69 contaminants were tested in GROSSE POINTE PARK's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GROSSE POINTE PARK have any EPA violations?
Yes, GROSSE POINTE PARK has 23 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, TT, MR. 1 are health-based violations.
How many people does GROSSE POINTE PARK serve?
GROSSE POINTE PARK serves approximately 11,555 people, Michigan. The system provides water to 1 community: Grosse Pointe Park.
What type of water does GROSSE POINTE PARK provide?
GROSSE POINTE PARK sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MI0002900.
How does GROSSE POINTE PARK compare to other utilities in Michigan?
GROSSE POINTE PARK scores 70/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Michigan state page for a full comparison of water systems.