Baltimore
Is Baltimore tap water safe to drink?
Mostly yes — Baltimore scores 88/100. This report aggregates EPA drinking water data across 5 local systems in Baltimore. We found 121 total violations (15 unresolved).
Real-Time Environment
Live: 03:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Baltimore.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Baltimore?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Should you buy a water purifier in Baltimore? See our analysis.
Baby Formula Safety
Is Baltimore tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Baltimore, water quality is a key factor in long-term property maintenance. The high safety score (88/100) 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 Baltimore
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Baltimore.
Frequently Asked Questions
Is Baltimore tap water safe to drink?
Mostly yes — Baltimore scores 88/100.
How many water systems serve Baltimore?
Baltimore is served by 5 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Baltimore?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Baltimore.
What is the water quality score for Baltimore?
The water quality score for Baltimore is 88 out of 100, based on EPA contaminant data, violation history, and testing results across the 5 systems serving the city.
What are the top contaminants in Baltimore?
The top contaminants detected in Baltimore include Lead (90th percentile). View detailed information on our contaminants page.
Baltimore Water Quality Summary
Baltimore, MD receives a water quality score of 88/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 5 public water systems serving the area.
Baltimore'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.
Baltimore's score of 88 is 2 points below the Maryland state average of 90, and above the nationwide average of roughly 78/100 across all U.S. states.
Homebuyers and residents in Baltimore, a large city situated within the dense Baltimore/DC urban corridor, rely on a municipal infrastructure supplied by multiple distinct water systems. This coastal Maryland community, nestled in the Mid-Atlantic region near the Chesapeake Bay, enjoys a consistently solid water quality rating that indicates a reliable standard of safety. While the overall utility health is dependable, the distribution across these different networks is a key characteristic of the area's urban infrastructure.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Maryland water quality rankings report →
Key Contaminants
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Water Systems Serving Baltimore (5)
Johns Hopkins University
ACity Of Baltimore
DJohns Hopkins Hospital
AHereford High School
AHereford Middle School
ACheck Your Specific Address
Water quality can vary by neighborhood in Baltimore.
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Compare Baltimore water quality: View all states · Contaminant library · How we score water quality