WaterQ
Iowa State Report All States
Official Status: March 2026

Is Iowa City tap water safe to drink?

⚠ Caution Advised
F

Use extra caution — Iowa City scores 29/100.

Safety Score
29
out of 100

Still not sure if you need a filter in Iowa City?

Read Decision Guide →

Iowa City

Iowa

View Iowa state report Data updated: Mar 2026

Is Iowa City tap water safe to drink?

Use extra caution — Iowa City scores 29/100. This report aggregates EPA drinking water data across 0 local systems in Iowa City. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 02:45 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Iowa City.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Iowa City?

Requirement Status
Recommended
🟡
💡

Expert Advice

Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.

Buying a Filter?

Wondering if Iowa City tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with Iowa City tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Iowa City, water quality belongs on your due-diligence checklist alongside schools and crime data. With a score of 29/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

Health & Family Safety

Current records show no major contaminant spikes, making Iowa City a preferred choice for health-conscious families.

View Health Risk Glossary →

Compliance Record for Iowa City

0
Violations (5yr)
0
Unresolved
0
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Iowa City.

Frequently Asked Questions

Is Iowa City tap water safe to drink?

Use extra caution — Iowa City scores 29/100.

How many water systems serve Iowa City?

Iowa City is served by 0 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Iowa City?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Iowa City.

What is the water quality score for Iowa City?

The water quality score for Iowa City is 29 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Iowa City?

Current contaminant data for Iowa City is being updated. Check back soon or search your specific address for the latest results.

Water Quality Score
29/100
Grade
F
Water Systems
2
Population
95,437

Iowa City Water Quality Summary

Iowa City, IA receives a water quality score of 29/100 (Grade F) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

Iowa City's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.

Iowa City's score of 29 is 44 points below the Iowa state average of 73, and below the nationwide average of roughly 78/100 across all U.S. states.

For residents of Iowa City, tap water safety is heavily shaped by its Midwestern setting, where intensive row-crop and livestock agriculture sits over nitrate-prone groundwater. Managing the two local water systems under these conditions presents critical hurdles, resulting in safety marks that fall far short of standard benchmarks. Consequently, anyone moving to or living in this mid-size city should remain vigilant about the quality of their household water supply.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Iowa water quality rankings report →

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Water Systems Serving Iowa City (0)

Water system data coming soon for Iowa City.

Related

Compare Iowa City water quality: View all states · Contaminant library · How we score water quality