Water Quality Report

Dubuque, IA (52001): PFAS Detected in Mapped Water Systems

EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Dubuque Water Works)

PFAS Detected High County Radon Potential

EPA records for the water systems mapped to 52001 in Dubuque, IA contain 3 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 N/A
Water Quality PFAS above MCL 3 non-health-based violation records in EPA data
Lead Risk Moderate 0.005 mg/L, 90th percentile, sample period ending 2023-12-31
NFIP Claim History Claim records 46 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 3 violations (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result of 0.005 mg/L is below the EPA action level, but EPA's health goal for lead is zero; filtration is advisable.
  • PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
  • Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
  • Flood 46 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Contaminant Summary
Violations on record (not health-based)
3 violations 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
3
Water Systems
59,667
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
0.005 mg/L
Reported Lead Result2.2× the national median for this measure
Zone 1
County Radon Potential · High
$169K
Median Home Value11% above state median ($152K)

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Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
94/100
Observed
PFAS MCL screen
0/100
Observed
EPA radon zone
0/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
47/100
Indoor environment
0/100
Outdoor environment
Unknown

Coverage: 3 of 4 components and 2 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (7) HIGH

Your Water System

ZIP code 52001 in Dubuque, Iowa is mapped to the water system Dubuque Water Works (EPA ID: IA3126052). This system provides water to approximately 59,667 people from groundwater sources.

There are 3 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Dubuque Water Works IA3126052 59,667 Groundwater
Asbury Municipal Water System IA3102001 5,943 Groundwater
North End Mobile Home Park IA3100609 40 Groundwater

Other Water Quality Reports in Iowa

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 Dubuque Water Works (IA3126052) 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 52001. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.

Detected compounds: PFBA, PFOA.

Highest measured level: 0.013 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 (6) HIGH

Possible home maintenance concerns - talk to a local expert.

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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 Dubuque

Based on local data for ZIP 52001, 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 Dubuque has 46 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 52001 was built around 1955. 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 Dubuque is 1955; 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 1955 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 52001 safe to drink?

EPA SDWIS records 3 violations since 2021 across the water systems mapped to ZIP 52001 (primary system: Dubuque Water Works), 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 52001's water come from?

The recorded water source for Dubuque Water Works, a system mapped to ZIP code 52001, is Groundwater. This system serves approximately 59,667 people.

How can I get my water tested in Dubuque?

If Dubuque Water Works 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 52001 tap water?

The Lead and Copper Rule record selected for 52001 reports a 90th-percentile lead result of 0.005 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 52001?

52001 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Dubuque 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 52001's water?

Yes, PFAS have been detected in samples from water systems mapped to 52001. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. 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 52001?

FEMA records contain 46 flood insurance claims filed in ZIP code 52001; the recorded rated-zone value (the most frequent one if there are several claims) is X, 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). Dubuque, IA (52001): PFAS Detected in Mapped Water Systems. https://zipcheckup.com/report/52001/
BibTeX
@misc{zipcheckup-report-52001,
  author = {{ZipCheckup}},
  title  = {{Dubuque, IA (52001): PFAS Detected in Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/52001/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 52001

ZIP Code City, State Distance Grade Violations
52004 Dubuque, IA 1.3 mi N/A 0
52099 Dubuque, IA 1.3 mi N/A 0
52002 Dubuque, IA 2.9 mi N/A 1
52003 Dubuque, IA 3.5 mi N/A 6
61025 East Dubuque, IL 4.4 mi N/A 20
53812 Kieler, WI 6.1 mi N/A 0
53824 Sinsinawa, WI 7.3 mi N/A 0
52068 Peosta, IA 8.2 mi N/A 0
53811 Hazel Green, WI 8.8 mi N/A 22
53808 Dickeyville, WI 8.9 mi N/A 2

Contaminants Detected in 52001

Learn more about the contaminants found in your water supply:

Overall safety breakdown

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Coverage: 14/17 risk factors Data sources →
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