ZipCheckup grade for 56258: C.

A mixed picture - some signals here are worth your attention.

Your top priority: review your flood insurance coverage. Check your ZIP → FloodSmart

Water Quality Report
C 66

Marshall, MN (56258): PFAS Detected in Mapped Water Systems - 66/100

EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Marshall)

PFAS Detected High County Radon Potential

EPA records for the water systems mapped to 56258 in Marshall, MN contain 1 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

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
C 66/100
Water Quality Concerns 1 non-health-based violation record in EPA data
Lead Risk Moderate 0.008 mg/L, 90th percentile, sample period ending 2024-12-31
NFIP Claim History Claim records 52 claims
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 1 violation (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result of 0.008 mg/L is below the EPA action level, but EPA's health goal for lead is zero; filtration is advisable.
  • PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
  • Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
  • Flood 52 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Contaminant Summary
Violations on record (not health-based)
1 violation PFAS detected
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 Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record
C
ZIP-level Home Safety model score: 66 / 100
Bottom 29% of U.S. ZIP codes
2
Water Systems
13,890
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
0.008 mg/L
Reported Lead Result3.5× the national median for this measure
Zone 1
County Radon Potential · High
$210K
Median Home ValueState median: $221K

Get updates when new water-quality data is available for your area

Free alerts when new EPA data affects ZIP code 56258. No spam - just safety updates.

Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.

Share Your Area Home Safety Score

Tip: You can also screenshot the card above to share it as an image.

Score Breakdown

Overall Home Safety Score: 66/100

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
98/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
0/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
99/100
Indoor environment
0/100
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 (8) HIGH

Your Water System

ZIP code 56258 in Marshall, Minnesota is mapped to the water system Marshall (EPA ID: MN1420006). This system provides water to approximately 13,890 people from groundwater sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Marshall MN1420006 13,890 Groundwater
Lincoln-Pipestone Rural Water System MN1410007 13,644 Surface water

Other Water Quality Reports in Minnesota

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 Marshall (MN1420006) on EPA.gov.

5 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 →

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 56258.

Detected compounds: PFHxS.

Highest measured level: 0.0047 µg/L

Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) HIGH
Home & Infrastructure (7) MODERATE
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 Marshall

Based on local data for ZIP 56258, 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 Marshall has 52 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 56258 was built around 1975. 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 Marshall is 1975; 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 1975 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 56258 safe to drink?

EPA SDWIS records 1 violation since 2021 across the water systems mapped to ZIP 56258 (primary system: Marshall), 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 56258's water come from?

The recorded water source for Marshall, a system mapped to ZIP code 56258, is Groundwater. This system serves approximately 13,890 people.

How does Marshall water compare to the national average?

Marshall's Home Safety Score ranks lower than 71% of U.S. ZIP codes, and lower than 78% of ZIP codes within Minnesota.

How can I get my water tested in Marshall?

If Marshall 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 56258 tap water?

The Lead and Copper Rule record selected for 56258 reports a 90th-percentile lead result of 0.008 mg/L for a water system mapped to this ZIP (record date 2024-12-31). 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 56258?

56258 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Lyon County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

Are there PFAS (forever chemicals) in 56258's water?

Yes, PFAS have been detected in samples from water systems mapped to 56258. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

What does the NFIP claim history show for ZIP 56258?

FEMA records contain 52 flood insurance claims filed in ZIP code 56258; the recorded rated-zone value (the most frequent one if there are several claims) is A05, 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

APA ZipCheckup. (2026). Marshall, MN (56258): PFAS Detected in Mapped Water Systems - 66/100. https://zipcheckup.com/report/56258/
BibTeX
@misc{zipcheckup-report-56258,
  author = {{ZipCheckup}},
  title  = {{Marshall, MN (56258): PFAS Detected in Mapped Water Systems - 66/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/56258/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 56258

ZIP Code City, State Distance Grade Violations
56239 Ghent, MN 7.0 mi N/A 1
56157 Lynd, MN 7.7 mi N/A 1
56263 Milroy, MN 11.1 mi N/A 0
56229 Cottonwood, MN 11.4 mi N/A 1
56169 Russell, MN 12.0 mi N/A 1
56264 Minneota, MN 12.4 mi N/A 1
56132 Garvin, MN 15.1 mi N/A 1
56115 Balaton, MN 16.2 mi N/A 1
56245 Hanley Falls, MN 16.6 mi N/A 1
56175 Tracy, MN 16.7 mi N/A 1

Contaminants Detected in 56258

Learn more about the contaminants found in your water supply:

Overall safety breakdown

Home Safety Score →

Find the right water filter

Water Filter Matcher →

Compare filters, tests & services

Compare My Options →

Compare with another ZIP

Compare Tool →
Coverage: 16/17 risk factors Data sources →
Get alerts for 56258