Marshall
Is Marshall tap water safe to drink?
Mostly yes — Marshall scores 80/100. This report aggregates EPA drinking water data across 2 local systems in Marshall. We found 141 total violations (11 unresolved).
Real-Time Environment
Live: 01:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Marshall.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Marshall?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Evaluation of municipal compliance and household filtration options in Marshall.
Baby Formula Safety
EPA compliance thresholds and pediatric water precautions for Marshall.
Homebuyer's Perspective
Water system history in Marshall informs property maintenance and private filtration requirements. The high safety score (80/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Marshall
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Marshall.
Frequently Asked Questions
Is Marshall tap water safe to drink?
Mostly yes — Marshall scores 80/100.
How many water systems serve Marshall?
Marshall is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Marshall?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Marshall.
What is the water quality score for Marshall?
The water quality score for Marshall is 80 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.
What are the top contaminants in Marshall?
The top contaminants detected in Marshall include Lead (90th percentile). View detailed information on our contaminants page.
Marshall Water Quality Summary
Marshall, MO receives a water quality score of 80/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Marshall'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.
Marshall's score of 80 is 2 points above the Missouri state average of 78, and above the nationwide average of roughly 78/100 across all U.S. states.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Missouri water quality rankings report →
Key Contaminants
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Water Systems Serving Marshall (2)
Check Your Specific Address
Water quality can vary by neighborhood in Marshall.
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Compare Marshall water quality: View all states · Contaminant library · How we score water quality