WaterVerge

Is Grosse Pointe, MI Tap Water Safe to Drink?

Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

5K residents served 1 water system PWSID: MI0002880
Overall Score
90.4 / 100
Violations
2 active
Last Updated
May 2026
Source
Purchased surface water
#108 of 520 in Michigan Top 14% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90.4/100
waterverge.com
A 90.4/100

Grosse Pointe, MI — Water Quality Report

Grosse Pointe's drinking water received a grade of A (90.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 5,421 residents using purchased surface water.

Lead levels were measured at 2.4 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 7 violations on record, including 0 health-based violations. 2 remain unresolved.

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

What to know about Grosse Pointe's water

Grosse Pointe ranks #108 out of 520 cities in Michigan for water quality, placing it above 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.

Quality Breakdown

Water quality score

See methodology →
90.4 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.9/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.4 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, MI water safe to drink?

Use Caution

Grosse Pointe's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (90.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 5,421 residents using surface water (rivers, lakes, or reservoirs).

2
Active Violations
2.4 ppb
Lead (90th %ile)
None
PFAS Detected
6 events
Disaster History

Recent water quality updates for Grosse Pointe

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's water quality assessment. Grade: A (90.4/100).

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

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

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

Contaminants: TTHM.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

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's water supply.

Lead Within Limits
Detected: 2.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Grosse Pointe's water system has 7 total violations on record, including 0 health-based violations. 2 remain unresolved. 4 violations were issued in the last 5 years.

MROther
Most recent violations:
Apr 2022 TTHM Resolved
Apr 2022 Total Haloacetic Acids (HAA5) Resolved
Dec 2021 TTHM Resolved
Oct 2021 Lead and Copper Rule Open
Mar 2019 TTHM Resolved

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.

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's water come from?

Grosse Pointe's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 5,421 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Grosse Pointe residents can do

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.

Monitor alerts during storms

Grosse Pointe'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
2.4 ppb
EPA Action Level: 15 ppb · 16% of limit
Safe Level
PFAS Testing

Forever chemicals overview

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

Violation summary

7
Total violations
0
Health-based
2
Active / unresolved
Apr 2022
Most recent violation
Compliance Record

Violations & advisories

7 Total
2 Active
0 Health-based
5 Resolved
3 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
5
Lead and Copper Rule
1
Consumer Confidence Rule
1
Oct 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Apr 2022 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2022
Apr 2022 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2022
Dec 2021 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Feb 2022
Mar 2019 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved May 2019
Mar 2019 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved May 2019
Industrial pollution

Top industrial polluters within 10 miles of Grosse Pointe

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
BEACON PARK FINISHING LLC
Fabricated Metals · NA
ROSEVILLE, MI48066
9.4 mi
WOLVERINE BRONZE CO
Primary Metals · NA
ROSEVILLE, MI48066
8.9 mi
WOLVERINE PLATING CORP
Fabricated Metals · NA
ROSEVILLE, MI48066
9.2 mi
WIELAND NATIONAL BRONZE
Fabricated Metals · WIELAND HOLDINGS INC
ROSEVILLE, MI48066
8.8 mi
CADILLAC PLATING CORP
Fabricated Metals · NA
WARREN, MI48089
7.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Grosse Pointe

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) 2.4 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 12.6 ppb from 1992 (15.0 ppb) to 2025 (2.4 ppb).
Contaminant Rankings

See how Grosse Pointe compares by contaminant

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

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
5,421
Water Systems
1
Water Source

Where Grosse Pointe's water comes from

Purchased Surface Water

Grosse Pointe'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 5,421 people through 1 water system.

Infrastructure

Water systems serving Grosse Pointe

System Name PWSID Population Source
GROSSE POINTE, CITY OF MI0002880 5,421 SWP
Regional Comparison

How Grosse Pointe compares

Full Michigan rankings →

Grosse Pointe's score of 90.4/100 is above the average of 70/100 among major Michigan cities. It outscores 8 of 10 nearby cities.

Grosse Pointe (this city)
90.4
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
City Profile

About Grosse Pointe, MI

Wikipedia →

Grosse Pointe is a city in Wayne County in the U.S. state of Michigan. As of the 2020 census, the city had a population of 5,678.

Economic Profile
$136,094
Median Income
$379,626
Median Home Value
$1,624/mo
Median Rent
4%
Unemployment
Community
44.1
Median Age
2,044
People / sq mi
74.1%
College Educated
86.1%
Homeownership
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Frequently asked questions

Is Grosse Pointe, MI tap water safe to drink?

Grosse Pointe's water quality earned a grade of A (90.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #108 out of 520 cities tested in Michigan.

What contaminants are in Grosse Pointe's water?

Lead was measured at 2.4 ppb (90th percentile). No PFAS compounds were detected. 7 violations are on record.

How is Grosse Pointe'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?

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

Where does Grosse Pointe's water come from?

Grosse Pointe's water is sourced from Purchased surface water. The city has 1 water system serving approximately 5,421 residents.

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

Grosse Pointe ranks #108 out of 520 cities in Michigan (better than 79% of state cities) and #2223 out of 15744 cities nationally (86th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.