District of Columbia Water Quality
Check tap water quality for any ZIP code in District of Columbia. See contaminants, violations, and health risks for your water system.
Enter a District of Columbia ZIP code to get your free water quality report.
Water Quality in District of Columbia
Key factors and concerns
The District of Columbia made national headlines for lead contamination in the early 2000s. While significant improvements have been made, aging infrastructure and lead service line replacement remain ongoing priorities for DC Water.
What's in your District of Columbia water report
Contaminant levels
Every detected contaminant in your District of Columbia water system, compared to EPA limits and health guidelines.
Violation history
All EPA violations on record for water systems in District of Columbia, 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.
Check your District of Columbia water now
Enter your ZIP code for a free water quality report specific to your water system in District of Columbia.
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