ZipCheckup grade for 52246: C.

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

Water Quality Report
C 63

Iowa City, IA (52246): 8 Violations Recorded for Mapped Water Systems - 63/100

EPA data combined for 4 water systems mapped to this ZIP (largest mapped system: Iowa City Water Department)

High County Radon Potential NFIP Claim History

EPA records for the water systems mapped to 52246 in Iowa City, IA contain 8 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 63/100
Water Quality Concerns 8 non-health-based violation records in EPA data
Lead Risk Below action level 0.004 mg/L, 90th percentile, sample period ending 2023-12-31
NFIP Claim History Claim records 130 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 8 violations (non-health) (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 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
  • Flood 130 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
Contaminant Summary
Violations on record (not health-based)
8 violations
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: 63 / 100
Bottom 21% of U.S. ZIP codes
4
Water Systems
68,753
People Served
0
Health Violations (since 2021)
Surface water
Water Source
0.004 mg/L
Reported Lead Result1.7× the national median for this measure
Zone 1
County Radon Potential · High
$327K
Median Home Value116% above state median ($152K)

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Score Breakdown

Overall Home Safety Score: 63/100

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
76/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
0/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
88/100
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 52246 in Iowa City, Iowa is mapped to the water system Iowa City Water Department (EPA ID: IA5225079). This system provides water to approximately 68,753 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
Iowa City Water Department IA5225079 68,753 Surface water
University Water System IA5225101 26,684 Surface water
Lake Ridge, Incorporated IA5225315 1,300 Groundwater
Hills Water Supply IA5221001 863 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 Iowa City Water Department (IA5225079) 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 52246 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) 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 Iowa City

Based on local data for ZIP 52246, 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 Iowa City has 130 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 52246 was built around 1982. 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 Iowa City is 1982; 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

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 52246 safe to drink?

EPA SDWIS records 8 violations since 2021 across the water systems mapped to ZIP 52246 (primary system: Iowa City Water Department), 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 52246's water come from?

The recorded water source for Iowa City Water Department, a system mapped to ZIP code 52246, is Surface water. This system serves approximately 68,753 people.

How does Iowa City water compare to the national average?

Iowa City's Home Safety Score ranks lower than 79% of U.S. ZIP codes, and lower than 77% of ZIP codes within Iowa.

How can I get my water tested in Iowa City?

If Iowa City Water Department 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 52246 tap water?

The Lead and Copper Rule record selected for 52246 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 52246?

52246 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Johnson 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 52246?

FEMA records contain 130 flood insurance claims filed in ZIP code 52246; 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. 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). Iowa City, IA (52246): 8 Violations Recorded for Mapped Water Systems - 63/100. https://zipcheckup.com/report/52246/
BibTeX
@misc{zipcheckup-report-52246,
  author = {{ZipCheckup}},
  title  = {{Iowa City, IA (52246): 8 Violations Recorded for Mapped Water Systems - 63/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/52246/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 52246

ZIP Code City, State Distance Grade Violations
52242 Iowa City, IA 1.6 mi C 0
52243 Iowa City, IA 2.2 mi N/A 0
52245 Iowa City, IA 3.0 mi C 10
52240 Iowa City, IA 3.4 mi C 20
52241 Coralville, IA 3.7 mi C 0
52235 Hills, IA 6.4 mi N/A 0
52244 Iowa City, IA 6.9 mi N/A 0
52340 Tiffin, IA 7.0 mi N/A 0
52317 North Liberty, IA 7.2 mi C 3
52322 Oxford, IA 10.6 mi N/A 0

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