ZipCheckup grade for 48458: B.

This ZIP has a few items worth a quick check.

Your top priority: have older plumbing checked for lead solder. Check your ZIP → EPA: reduce lead

Health Violations Found
B 72

Mount Morris, MI (48458): 2 Health-Based Violations Recorded for Mapped Water Systems - 72/100

EPA data combined for 4 water systems mapped to this ZIP (largest mapped system: City of Mount Morris)

Health Violations Found

Health-based violation records by water system:

EPA records for the water systems mapped to 48458 in Mount Morris, MI contain 30 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 2 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score
B 72/100
Water Quality Issues 2 health-based violation records
Lead Risk Below action level 0.004 mg/L, 90th percentile, sample period ending 2023-12-31
NFIP Claim History Claim records 1 claim
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 2 health-based violations and 28 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.004 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
  • Flood 1 cumulative NFIP claim record. Claim evidence is historical, not current map coverage.
Contaminant Summary
Health Violations
30 violations 2 health-based
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
B
ZIP-level Home Safety model score: 72 / 100
Bottom 47% of U.S. ZIP codes
4
Water Systems
3,086
People Served
2
Health Violations (since 2021)Median is 0
Surface water
Water Source
0.004 mg/L
Reported Lead Result1.7× the national median for this measure
Zone 2
County Radon Potential · Moderate
$87K
Median Home Value51% below state median ($179K)

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Score Breakdown

Overall Home Safety Score: 72/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance
30/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
65/100
Indoor environment
50/100
Outdoor environment
100/100

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 48458 in Mount Morris, Michigan is mapped to the water system City of Mount Morris (EPA ID: MI0004520). This system provides water to approximately 3,086 people from surface water sources.

There are 4 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
City of Mount Morris, MI0004520 3,086 Surface water
Beecher Metropolitan District MI0000540 9,400 Groundwater
Genesee County Water System MI0002615 73,726 Surface water
North Morris Estates MI0040155 313 Groundwater

Other Water Quality Reports in Michigan

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Mount Morris (MI0004520) 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.

📊 EPA Safe Drinking Water · View source →

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 48458 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.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) HIGH
Home & Infrastructure (6) MODERATE

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Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Mount Morris

Based on local data for ZIP 48458, 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 Mount Morris has 1 FEMA flood claim 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 48458 was built around 1965. 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 Costs

Window Replacement

The median build year of homes in Mount Morris is 1965; 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 Costs

Roofing Inspection & Repair

Homes built around 1965 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 Needs

Service 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 48458 safe to drink?

EPA SDWIS records 30 violations since 2021 across the water systems mapped to ZIP 48458 (primary system: City of Mount Morris), including 2 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 48458's water come from?

The recorded water source for City of Mount Morris, a system mapped to ZIP code 48458, is Surface water. This system serves approximately 3,086 people.

How does Mount Morris water compare to the national average?

Mount Morris's Home Safety Score ranks lower than 53% of U.S. ZIP codes, and lower than 87% of ZIP codes within Michigan.

How can I get my water tested in Mount Morris?

If City of Mount Morris 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 48458 tap water?

The Lead and Copper Rule record selected for 48458 reports a 90th-percentile lead result of 0.004 mg/L for a water system mapped to this ZIP (record date 2023-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 48458?

48458 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Genesee 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 48458?

FEMA records contain 1 flood insurance claim filed in ZIP code 48458. Claim records do not establish current property risk. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Mount Morris, MI (48458): 2 Health-Based Violations Recorded for Mapped Water Systems - 72/100. https://zipcheckup.com/report/48458/
BibTeX 
@misc{zipcheckup-report-48458,
  author = {{ZipCheckup}},
  title  = {{Mount Morris, MI (48458): 2 Health-Based Violations Recorded for Mapped Water Systems - 72/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/48458/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 48458

ZIP Code City, State Distance Grade Violations
48505 Flint, MI 3.7 mi B 1
48437 Genesee, MI 3.7 mi B 1
48506 Flint, MI 4.6 mi B 2
48420 Clio, MI 4.6 mi B 33
48504 Flint, MI 5.1 mi B 4
48557 Flint, MI 5.3 mi N/A 0
48550 Flint, MI 5.6 mi N/A 0
48556 Flint, MI 6.2 mi N/A 0
48502 Flint, MI 7.0 mi B 1
48503 Flint, MI 7.1 mi B 1

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