Is Grosse Pointe Shores, 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 ↓
90.7/100
waterverge.com Grosse Pointe Shores, MI — Water Quality Report
Grosse Pointe Shores's drinking water received a grade of A (90.7 out of 100), indicating excellent water quality. The city's 2 water systems serve approximately 3,077 residents using purchased surface water.
Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 15 violations on record, including 7 health-based violations. 2 remain unresolved.
What to know about Grosse Pointe Shores's water
Grosse Pointe Shores ranks #98 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.
As a small community water system, Grosse Pointe Shores may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Grosse Pointe Shores, MI water safe to drink?
Grosse Pointe Shores's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (90.7/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 2 water systems serve approximately 3,077 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Grosse Pointe Shores
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Grosse Pointe Shores's water quality assessment. Grade: A (90.7/100).
Federal disaster declaration (FEMA DR-4757). Flood event — may have impacted local water infrastructure.
Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Federal disaster declaration (FEMA DR-4195). Flood event — may have impacted local water infrastructure.
1 health-based. Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Grosse Pointe Shores's water supply.
Well within EPA limits.
Violation history
Grosse Pointe Shores's water system has 15 total violations on record, including 7 health-based violations. 2 remain unresolved. 2 violations were issued in the last 5 years.
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 Clinton River.
Where does Grosse Pointe Shores's water come from?
Grosse Pointe Shores's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 3,077 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Clinton River (river).
What Grosse Pointe Shores residents can do
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.
Grosse Pointe Shores'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Flood & disaster history
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.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Grosse Pointe Shores compares by contaminant
Explore where Grosse Pointe Shores ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Grosse Pointe Shores's water comes from
Grosse Pointe Shores'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 3,077 people through 2 water systems.
Water bodies near Grosse Pointe Shores
Grosse Pointe Shores is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Grosse Pointe Shores
| System Name | PWSID | Population | Source |
|---|---|---|---|
| GROSSE POINTE SHORES | MI0002910 | 2,929 | SWP |
| COUNTRY HOLIDAY ESTATES | MI0040488 | 148 | GW |
How Grosse Pointe Shores compares
Full Michigan rankings →Grosse Pointe Shores's score of 90.7/100 is above the average of 70/100 among major Michigan cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Michigan rankings →Learn more about your water
Guides and resources related to Grosse Pointe Shores's water quality findings.
Explore water quality across Wayne
Frequently asked questions
Is Grosse Pointe Shores, MI tap water safe to drink?
Grosse Pointe Shores's water quality earned a grade of A (90.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #98 out of 520 cities tested in Michigan.
What contaminants are in Grosse Pointe Shores's water?
Lead was measured at 0.0 ppb (90th percentile). 15 violations are on record.
How is Grosse Pointe Shores'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 Shores?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Grosse Pointe Shores's water come from?
Grosse Pointe Shores's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 3,077 residents.
What health violations has Grosse Pointe Shores's water system had?
Grosse Pointe Shores has 7 health-based violations on record. The most recent violation was recorded in August 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.
How does Grosse Pointe Shores's water compare to other cities?
Grosse Pointe Shores ranks #98 out of 520 cities in Michigan (better than 81% of state cities) and #2076 out of 15744 cities nationally (87th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.