💧 TapWaterData

Water Quality in ZIP Code 20001

Serving Washington, DC

Monitor
2 above health guidelines
1
City
19+
Tested
2
Above Guidelines
1
Utility

Is Water Safe in ZIP Code 20001?

Water in ZIP code 20001 has 2 contaminants above EPA health-based guidelines (MCLGs) in at least one of the 1 city served. We recommend reviewing detailed city reports below and considering a certified water filter for additional protection.

This ZIP code is served by 1 water utility providing water to Washington. Water quality varies by utility and city. Click on the cities below to see detailed reports for your specific area.

Water Quality Report for ZIP 20001

2 contaminants above EPA health guidelines

These levels represent the worst case across all cities in this ZIP code. Check individual city reports for specific details.

Bromodichloromethane

Found in Washington

11.3 PPB
Guideline: 0 PPB
Dichloroacetic Acid (DCA)

Found in Washington

0.0121 PPM
Guideline: 0 PPM

Water Utilities Serving ZIP 20001

D.C. WATER AND SEWER AUTHORITY

People Served:

632,323

Contact:
202-364-3148

Water Source:

Surface water purchased

MCL Violations:

No violations

Best Water Filters for ZIP 20001

Based on the contaminants found in your area, we recommend NSF-certified water filters that can remove the specific contaminants above health guidelines.

Stay Informed About Your Water Quality

Get EPA reports, filter recommendations, and safety alerts for your area.

Join 10,000+ people protecting their families. Unsubscribe anytime.

Is Tap Water Safe in ZIP 20001? Washington Water Quality 2025 | Test Results & Contaminants | TapWaterData