ZipCheckup grade for 53925: B.

This ZIP has a few items worth a quick check.

Your top priority: match a filter's certification to the violations (6 health-based violations). Check your ZIP → NSF certified filters

Health Violations Found
B 80

Columbus, WI (53925): 6 Health-Based Violations Recorded for Mapped Water Systems - 80/100

EPA data combined for 4 water systems mapped to this ZIP (largest mapped system: Columbus Utilities)

Health Violations Found

Health-based violation records by water system:

EPA records for the water systems mapped to 53925 in Columbus, WI contain 11 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 6 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 80/100
Water Quality Issues 6 health-based violation records
Lead Risk Moderate 0.0089 mg/L, 90th percentile, sample period ending 2025-09-30
NFIP Claim History Claim records 25 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 6 health-based violations and 5 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0089 mg/L is below the EPA action level, but EPA's health goal for lead is zero; filtration is advisable.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
  • Flood 25 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Contaminant Summary
Health Violations
11 violations 6 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: 80 / 100
Home Safety Score higher than 60% of ZIP codes nationwide
4
Water Systems
5,173
People Served
6
Health Violations (since 2021)Median is 0
Groundwater
Water Source
0.00888 mg/L
Reported Lead Result3.9× the national median for this measure
Zone 2
County Radon Potential · Moderate
$258K
Median Home Value21% above state median ($214K)

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Score Breakdown

Overall Home Safety Score: 80/100

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
82/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
91/100
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 53925 in Columbus, Wisconsin is mapped to the water system Columbus Utilities (EPA ID: WI1110038). This system provides water to approximately 5,173 people from groundwater sources.

There are 4 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Columbus Utilities WI1110038 5,173 Groundwater
Fall River Waterworks WI1110098 1,793 Groundwater
Marshall Waterworks WI1130237 3,862 Groundwater
Randolph Water Department WI1110125 1,800 Groundwater

Other Water Quality Reports in Wisconsin

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 Columbus Utilities (WI1110038) 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 →

Compliance History

2021 2022 2023 2024 4 2025 2
Health-based (MCL/TT) Other violations

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 53925 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

Possible home maintenance concerns - talk to a local expert.

Call (855) 384-4856

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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 Columbus

Based on local data for ZIP 53925, 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 Columbus has 25 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 53925 was built around 1964. 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 Columbus is 1964; 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 1964 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 53925 safe to drink?

EPA SDWIS records 11 violations since 2021 across the water systems mapped to ZIP 53925 (primary system: Columbus Utilities), including 6 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 53925's water come from?

The recorded water source for Columbus Utilities, a system mapped to ZIP code 53925, is Groundwater. This system serves approximately 5,173 people.

How does Columbus water compare to the national average?

Columbus's Home Safety Score ranks better than 60% of U.S. ZIP codes, and at or above 60% within Wisconsin.

How can I get my water tested in Columbus?

If Columbus Utilities 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 53925 tap water?

The Lead and Copper Rule record selected for 53925 reports a 90th-percentile lead result of 0.00888 mg/L for a water system mapped to this ZIP (record date 2025-09-30). 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 53925?

53925 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Columbia 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 53925?

FEMA records contain 25 flood insurance claims filed in ZIP code 53925; 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). Columbus, WI (53925): 6 Health-Based Violations Recorded for Mapped Water Systems - 80/100. https://zipcheckup.com/report/53925/
BibTeX 
@misc{zipcheckup-report-53925,
  author = {{ZipCheckup}},
  title  = {{Columbus, WI (53925): 6 Health-Based Violations Recorded for Mapped Water Systems - 80/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/53925/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 53925

ZIP Code City, State Distance Grade Violations
53932 Fall River, WI 5.1 mi N/A 2
53579 Reeseville, WI 8.8 mi N/A 0
53928 Doylestown, WI 9.0 mi N/A 0
53594 Waterloo, WI 10.5 mi C 1
53559 Marshall, WI 11.9 mi C 5
53557 Lowell, WI 12.1 mi N/A 0
53960 Rio, WI 12.2 mi N/A 4
53916 Beaver Dam, WI 13.0 mi C 8
53590 Sun Prairie, WI 14.0 mi C 6
53957 Randolph, WI 14.1 mi N/A 0

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