WaterVerge

Is Grosse Pointe Park, MI Tap Water Safe to Drink?

Graded B+, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

12K residents served 1 water system PWSID: MI0002900
Overall Score
83.1 / 100
Violations
6 active
Last Updated
May 2026
Source
Purchased surface water
#304 of 520 in Michigan Top 42% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83.1/100
waterverge.com
B+ 83.1/100

Grosse Pointe Park, MI — Water Quality Report

Grosse Pointe Park's drinking water received a grade of B+ (83.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 11,555 residents using purchased surface water.

Lead levels were measured at 3.4 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 24 violations on record, including 1 health-based violation. 6 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Grosse Pointe Park's water

Grosse Pointe Park ranks #304 out of 520 cities in Michigan for water quality, placing it below average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

Hexavalent chromium (chromium-6) was detected at 0.17 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

Quality Breakdown

Water quality score

See methodology →
83.1 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.6/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 3.4 ppb (90th percentile).
Contaminants
19.5/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Grosse Pointe Park, MI water safe to drink?

Concerns Identified

Grosse Pointe Park's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 11,555 residents using surface water (rivers, lakes, or reservoirs).

6
Active Violations
3.4 ppb
Lead (90th %ile)
None
PFAS Detected
6 events
Disaster History

Recent water quality updates for Grosse Pointe Park

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Grosse Pointe Park's water quality assessment. Grade: B+ (83.1/100).

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4757). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Lead and Copper Rule.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4195). Flood event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Grosse Pointe Park's water supply.

Lead Within Limits
Detected: 3.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Grosse Pointe Park's water system has 24 total violations on record, including 1 health-based violation. 6 remain unresolved. 5 violations were issued in the last 5 years.

OtherTTMR
Most recent violations:
Nov 2023 Public Notice Open
Jul 2023 Lead and Copper Rule Resolved
Apr 2022 Total Haloacetic Acids (HAA5) Resolved
Apr 2022 TTHM Resolved
Jul 2021 Consumer Confidence Rule Open

Flood & environmental risk

Wayne County has experienced 6 federally declared disasters since 1972. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Red Run.

SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-4757
SEVERE STORMS AND FLOODING
Flood FEMA DR-4195
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3225

Where does Grosse Pointe Park's water come from?

Grosse Pointe Park's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 11,555 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Red Run (river).

What Grosse Pointe Park residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Grosse Pointe Park's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Grosse Pointe Park's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
3.4 ppb
EPA Action Level: 15 ppb · 23% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
2.6 µg/L
EPA MCL: 60 µg/L · 4% of limit
Within LimitUCMR 4 DataHAA6Br: 1.2 µg/LHAA9: 3.8 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.17 µg/L
CA MCL (no federal MCL): 10 µg/L · 2% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
106.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 7% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Detected
1.5 µg/L
EPA Secondary MCL: 50 µg/L · 3% of limit
DetectedUCMR 4 Data
Vanadium
Inorganic
Detected
0.58 µg/L
EPA Short-term HA: 21 µg/L · 3% of limit
DetectedUCMR 3 Data
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

24
Total violations
1
Health-based
6
Active / unresolved
Nov 2023
Most recent violation
Compliance Record

Violations & advisories

24 Total
6 Active
1 Health-based
18 Resolved
11 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
13
Stage 1 Disinfectants and Disinfection Byproducts Rule
4
Lead and Copper Rule
3
Consumer Confidence Rule
2
Public Notice Rule and Revised PN Rule
1
Nov 2023 Active
Public Notice
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Oct 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Jan 1998 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jul 2023 Resolved
Lead and Copper Rule
Treatment Technique
Health-Based Health Resolved Dec 2023
Apr 2022 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2022
Apr 2022 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2022
Sep 2018 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Nov 2018
Sep 2018 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Nov 2018
Mar 2018 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved May 2018
Mar 2018 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved May 2018
Dec 2017 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Feb 2018
Dec 2017 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Feb 2018
Dec 2015 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Feb 2016
Sep 2014 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2014
Sep 2014 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2014
Oct 2012 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2012
Showing 20 of 24 violations
Industrial pollution

Top industrial polluters within 10 miles of Grosse Pointe Park

Industrial polluters nearby

Reported releases to surface water by facilities near Grosse Pointe Park, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
INLAND WATERS POLLUTION CONTROL DETROIT FACILITY
Chemicals · PURIS CORP
DETROIT, MI48210
9.5 mi
BEACON PARK FINISHING LLC
Fabricated Metals · NA
ROSEVILLE, MI48066
9.9 mi
WOLVERINE BRONZE CO
Primary Metals · NA
ROSEVILLE, MI48066
9.3 mi
WOLVERINE PLATING CORP
Fabricated Metals · NA
ROSEVILLE, MI48066
9.7 mi
WIELAND NATIONAL BRONZE
Fabricated Metals · WIELAND HOLDINGS INC
ROSEVILLE, MI48066
9.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Grosse Pointe Park

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

6
Declared disasters
Feb 2024
Most recent
Flood
Most common type

Wayne County has experienced 6 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Feb 2024
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #4757
Sep 2014
SEVERE STORMS AND FLOODING
Flood FEMA #4195
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3225
Sep 1980
SEVERE STORMS & FLOODING
Flood FEMA #631
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #371
Dec 1972
SEVERE STORMS & FLOODING
Flood FEMA #363

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.4 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 320.6 ppb from 1992 (324.0 ppb) to 2025 (3.4 ppb).
Contaminant Rankings

See how Grosse Pointe Park compares by contaminant

Explore where Grosse Pointe Park ranks among all Michigan cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
11,555
Water Systems
1
Water Source

Where Grosse Pointe Park's water comes from

Purchased Surface Water

Grosse Pointe Park's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 11,555 people through 1 water system.

Local Hydrology

Water bodies near Grosse Pointe Park

Grosse Pointe Park is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Red Run
river
Infrastructure

Water systems serving Grosse Pointe Park

System Name PWSID Population Source
GROSSE POINTE PARK MI0002900 11,555 SWP
Regional Comparison

How Grosse Pointe Park compares

Full Michigan rankings →

Grosse Pointe Park's score of 83.1/100 is above the average of 70/100 among major Michigan cities. It outscores 5 of 10 nearby cities.

Grosse Pointe Park (this city)
83.1
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
City Profile

About Grosse Pointe Park, MI

Economic Profile
$128,333
Median Income
$446,051
Median Home Value
$1,417/mo
Median Rent
2.3%
Unemployment
Community
42.6
Median Age
2,052
People / sq mi
70.9%
College Educated
76.6%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Grosse Pointe Park, MI tap water safe to drink?

Grosse Pointe Park's water quality earned a grade of B+ (83.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #304 out of 520 cities tested in Michigan.

What contaminants are in Grosse Pointe Park's water?

Lead was measured at 3.4 ppb (90th percentile). No PFAS compounds were detected. 24 violations are on record.

How is Grosse Pointe Park's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Grosse Pointe Park?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Grosse Pointe Park's water come from?

Grosse Pointe Park's water is sourced from Purchased surface water. The city has 1 water system serving approximately 11,555 residents.

What health violations has Grosse Pointe Park's water system had?

Grosse Pointe Park has 1 health-based violation on record. The most recent violation was recorded in November 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

How does Grosse Pointe Park's water compare to other cities?

Grosse Pointe Park ranks #304 out of 520 cities in Michigan (better than 42% of state cities) and #6581 out of 15744 cities nationally (58th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.