Tap Water Quality in St. Louis, MO
Find out what's in your drinking water. Enter your ZIP code below for a detailed water quality report for St. Louis, Missouri.
Try 63101 for St. Louis
St. Louis Drinking Water Overview
Population: ~300,000 | Source: Missouri River and Mississippi River
St. Louis draws from both the Missouri and Mississippi Rivers, treating water at two major plants. The city's aging infrastructure includes lead service lines in many older neighborhoods. Lead mining legacy in southeastern Missouri also contributes trace amounts of lead to the watershed. The utility has enhanced corrosion control to minimize lead leaching.
Common water quality concerns in St. Louis
Lead service lines
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Disinfection byproducts
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Agricultural and industrial upstream discharges
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What's in your St. Louis water report
Contaminant levels
Every detected contaminant in your St. Louis water system, compared to EPA limits and health guidelines.
Violation history
All EPA violations on record for water systems serving St. Louis, including health-based and monitoring violations.
Water quality grade
An A through F grade based on violation history, contaminant levels, and health guideline comparisons.
Filter recommendations
Which type of water filter will actually remove the contaminants found in your specific water system.
Water quality in nearby cities
Check your St. Louis water now
Enter your ZIP code for a free water quality report specific to your water system in St. Louis, Missouri.