ZipCheckup grade for 55302: C.

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

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

Water Quality Report
C 67

Annandale, MN (55302): High Radon Potential Area - 67/100

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

High County Radon Potential

EPA records for the water systems mapped to 55302 in Annandale, MN contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.

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 67/100
Water Quality No violations
Lead Risk Below action level 0.001 mg/L, 90th percentile, sample period ending 2023-12-31
NFIP Claim History Claim records 17 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water No drinking-water violations in EPA records since 2021.
  • Lead The reported 90th-percentile lead result of 0.001 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
  • Flood 17 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
Contaminant Summary
Evidence unavailable
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: 67 / 100
Bottom 35% of U.S. ZIP codes
2
Water Systems
3,430
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
0.001 mg/L
Reported Lead ResultBelow the national median of system results
Zone 1
County Radon Potential · High
$312K
Median Home Value41% above state median ($221K)

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Score Breakdown

Overall Home Safety Score: 67/100

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

Required domains

Drinking water
100/100
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 (7) HIGH

Your Water System

ZIP code 55302 in Annandale, Minnesota is mapped to the water system Annandale (EPA ID: MN1860002). This system provides water to approximately 3,430 people from groundwater sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Annandale MN1860002 3,430 Groundwater
Clearwater MN1860025 2,129 Groundwater

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 Annandale (MN1860002) 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 →

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 55302 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) MODERATE
Home & Infrastructure (7) OK
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 Annandale

Based on local data for ZIP 55302, 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 Annandale has 17 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 55302 was built around 1972. 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 Annandale is 1972; 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 1972 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 55302 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 55302 (primary system: Annandale), 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 55302's water come from?

The recorded water source for Annandale, a system mapped to ZIP code 55302, is Groundwater. This system serves approximately 3,430 people.

How does Annandale water compare to the national average?

Annandale's Home Safety Score ranks lower than 65% of U.S. ZIP codes, and at or above 56% within Minnesota.

How can I get my water tested in Annandale?

If Annandale 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 55302 tap water?

The Lead and Copper Rule record selected for 55302 reports a 90th-percentile lead result of 0.001 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 55302?

55302 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Wright 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 55302?

FEMA records contain 17 flood insurance claims filed in ZIP code 55302; the recorded rated-zone value (the most frequent one if there are several claims) is AE, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Annandale, MN (55302): High Radon Potential Area - 67/100. https://zipcheckup.com/report/55302/
BibTeX
@misc{zipcheckup-report-55302,
  author = {{ZipCheckup}},
  title  = {{Annandale, MN (55302): High Radon Potential Area - 67/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/55302/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 55302

ZIP Code City, State Distance Grade Violations
55382 South Haven, MN 6.0 mi N/A 1
55358 Maple Lake, MN 7.2 mi N/A 0
55380 Silver Creek, MN 7.7 mi N/A 0
55320 Clearwater, MN 10.1 mi N/A 1
55592 Maple Plain, MN 11.1 mi N/A 0
55353 Kimball, MN 11.6 mi N/A 1
55313 Buffalo, MN 12.7 mi C 0
55321 Cokato, MN 12.7 mi N/A 1
55349 Howard Lake, MN 13.0 mi N/A 1
55575 Howard Lake, MN 13.1 mi N/A 0

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