WaterQ
Iowa State Report All States
Official Status: March 2026

Is Ottumwa tap water safe to drink?

✓ Generally Safe
B

Mostly yes — Ottumwa scores 81/100.

Safety Score
81
out of 100

Still not sure if you need a filter in Ottumwa?

Read Decision Guide →

Ottumwa

Iowa

View Iowa state report Verified: Apr 2026

Is Ottumwa tap water safe to drink?

Mostly yes — Ottumwa scores 81/100. This report aggregates EPA drinking water data across 0 local systems in Ottumwa. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 07:45 PM
0mm Precipitation

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

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 Ottumwa?

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?

Should you buy a water purifier in Ottumwa? See our analysis.

Baby Formula Safety

Is Ottumwa tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Ottumwa, water quality is a key factor in long-term property maintenance. The high safety score (81/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Score Breakdown for Ottumwa

EPA Compliance & Violations 85/100
Contaminant Safety Margin 81%

*Scores are calculated using weighted EPA monitoring data from the past 5 years.

Frequently Asked Questions

Is Ottumwa tap water safe to drink?

Mostly yes — Ottumwa scores 81/100.

How many water systems serve Ottumwa?

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

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

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

What is the water quality score for Ottumwa?

The water quality score for Ottumwa is N/A out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Ottumwa?

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

Water Quality Score
81/100
Grade
B
Water Systems
2
Population
42,792

Ottumwa Water Quality Summary

Ottumwa, IA receives a water quality score of 81/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

Ottumwa's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

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

Water Systems Serving Ottumwa (0)

Water system data coming soon for Ottumwa.

Related

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