ZipCheckup grade for 48138: A.
The model grade is high, but the records on this page include findings worth reviewing.
Your top priority: test your tap water for lead. Check your ZIP → EPA lead guide
Grosse Ile, MI (48138): Lead Above EPA Action Level - 90/100
EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Grosse Ile Township)
EPA records for the water systems mapped to 48138 in Grosse Ile, MI contain 4 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 4 violations (non-health) (since 2021).
- Lead 90th-percentile lead reading of 0.0192 mg/L; the EPA action level of 0.015 mg/L applies to a water system's 90th-percentile result.
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 59 cumulative NFIP claim records. Check the current FEMA map for a specific address.
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The critical alert on record for 48138 in Grosse Ile stands alone - no high-priority findings appear in the same compiled data.
Score Breakdown
Overall Home Safety Score: 90/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (6) CRITICAL
Your Water System
ZIP code 48138 in Grosse Ile, Michigan is mapped to the water system Grosse Ile Township (EPA ID: MI0002870). This system provides water to approximately 10,788 people from surface water sources.
There are 3 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Grosse Ile Township | MI0002870 | 10,788 | Surface water |
| Trenton | MI0006650 | 18,544 | Surface water |
| Wyandotte | MI0007210 | 25,883 | Surface water |
Other Water Quality Reports in Michigan
- 48001 (Algonac) - 2 violations recorded for mapped water systems
- 48002 (Allenton)
- 48003 (Almont) - 2 violations recorded for mapped water systems
- 48004 (Anchorville)
- 48005 (Armada) - 4 violations recorded for mapped water systems
- 48006 (Avoca)
- 48007 (Troy)
- 48009 (Birmingham) - 6 violations recorded for mapped water systems
- 48012 (Birmingham)
- 48014 (Capac) - 6 violations recorded for mapped water systems
- 48015 (Center Line)
- 48017 (Clawson) - 4 violations recorded for mapped water systems
- 48021 (Eastpointe) - 4 violations recorded for mapped water systems
- 48022 (Emmett)
- 48023 (Fair Haven)
- 48025 (Franklin) - 6 violations recorded for mapped water systems
- 48026 (Fraser) - 8 violations recorded for mapped water systems
- 48027 (Goodells)
- 48028 (Harsens Island)
- 48030 (Hazel Park)
Nearby Water Quality Reports
- 48183 (Trenton) - 3 mi - 9 violations recorded for mapped water systems
- 48192 (Wyandotte) - 5 mi - 1 violation recorded for mapped water systems
- 48173 (Rockwood) - 5 mi - 9 violations recorded for mapped water systems
- 48195 (Southgate) - 5 mi - 2 violations recorded for mapped water systems
- 48193 (Riverview) - 5 mi - 4 violations recorded for mapped water systems
- 48134 (Flat Rock) - 7 mi - 9 violations recorded for mapped water systems
- 48121 (Dearborn) - 7 mi
- 48123 (Dearborn) - 7 mi
- 48136 (Garden City) - 7 mi
- 48222 (Detroit) - 7 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Grosse Ile Township (MI0002870) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
UCMR 5 PFAS monitoring: no reportable detections in available records
Available federal UCMR5 records for water systems mapped to ZIP code 48138 show no PFAS detections among the compounds tested, at the program's reporting levels.
The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.
Environmental Hazards (11) CRITICAL
Home & Infrastructure (6) MODERATE
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Grosse Ile
Based on local data for ZIP 48138, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Grosse Ile has 59 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 48138 was built around 1976. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Grosse Ile is 1976; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsRoofing Inspection & Repair
Homes built around 1976 may be on their second or third roof. A professional inspection can catch damage before leaks start.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 48138 safe to drink?
EPA SDWIS records 4 violations since 2021 across the water systems mapped to ZIP 48138 (primary system: Grosse Ile Township), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 48138's water come from?
The recorded water source for Grosse Ile Township, a system mapped to ZIP code 48138, is Surface water. This system serves approximately 10,788 people.
How does Grosse Ile water compare to the national average?
Grosse Ile's Home Safety Score ranks better than 81% of U.S. ZIP codes, and at or above 58% within Michigan.
How can I get my water tested in Grosse Ile?
If Grosse Ile Township supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 48138 tap water?
The Lead and Copper Rule record selected for 48138 reports a 90th-percentile lead result of 0.0192 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This system 90th-percentile result is above the EPA lead action level of 0.015 mg/L, which requires corrective action by the system; consider a filter certified for lead reduction.
What is the radon risk for 48138?
48138 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Wayne County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
What does the NFIP claim history show for ZIP 48138?
FEMA records contain 59 flood insurance claims filed in ZIP code 48138; the recorded rated-zone value (the most frequent one if there are several claims) is A, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Grosse Ile, MI (48138): Lead Above EPA Action Level - 90/100. https://zipcheckup.com/report/48138/
@misc{zipcheckup-report-48138,
author = {{ZipCheckup}},
title = {{Grosse Ile, MI (48138): Lead Above EPA Action Level - 90/100}},
year = {2026},
url = {https://zipcheckup.com/report/48138/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 48138
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 48183 | Trenton, MI | 3.2 mi | A | 9 |
| 48192 | Wyandotte, MI | 5.1 mi | A | 1 |
| 48173 | Rockwood, MI | 5.2 mi | A | 9 |
| 48195 | Southgate, MI | 5.3 mi | A | 2 |
| 48193 | Riverview, MI | 5.5 mi | A | 4 |
| 48134 | Flat Rock, MI | 6.6 mi | A | 9 |
| 48121 | Dearborn, MI | 7.2 mi | N/A | 0 |
| 48123 | Dearborn, MI | 7.2 mi | N/A | 0 |
| 48136 | Garden City, MI | 7.2 mi | N/A | 0 |
| 48222 | Detroit, MI | 7.2 mi | N/A | 0 |
Nearby ZIP Code Reports
2026 Rankings for Your Area
Overall safety breakdown
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ZIP 48138 scores in the top tier nationally.