Washington
Is Washington tap water safe to drink?
Generally acceptable, but review local hotspots — score 78/100. This report aggregates EPA drinking water data across 0 local systems in Washington. We found 0 total violations (0 unresolved).
Real-Time Environment
Live: 04:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Washington.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Washington?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Filter or no filter for Washington water? Here's what the data says.
Baby Formula Safety
What new parents in Washington should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Washington, but it can affect plumbing longevity and appliance lifespan. With a score of 78/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.
Health & Family Safety
Current records show no major contaminant spikes, making Washington a preferred choice for health-conscious families.
View Health Risk Glossary →Compliance Record for Washington
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Washington.
Frequently Asked Questions
Is Washington tap water safe to drink?
Generally acceptable, but review local hotspots — score 78/100.
How many water systems serve Washington?
Washington is served by 0 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Washington?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Washington.
What is the water quality score for Washington?
The water quality score for Washington is 78 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.
What are the top contaminants in Washington?
Current contaminant data for Washington is being updated. Check back soon or search your specific address for the latest results.
Washington Water Quality Summary
Washington, DC receives a water quality score of 78/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 4 public water systems serving the area.
Washington's water quality is near the national average. While most systems meet EPA standards, some violations have been recorded. Residents may wish to review their specific water system's report for contaminant details.
and in line with the nationwide average of roughly 78/100 across all U.S. states.
For residents and home seekers in Washington, DC, navigating the water landscape means understanding that this large city distributes its supply across a handful of distinct water systems. While the overall quality of these utilities is respectable compared to standard US baselines, there remains room for improvement to elevate the water quality standard. Because tap water consistency can vary depending on which system serves a specific property, staying informed on localized reports is a practical habit for households in the area.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology →
Get notified if Washington's water quality changes
Free email alert when the EPA reports a new violation or boil-water advisory for your water system. No spam — just the alerts you asked for.
By subscribing you agree to receive occasional water-quality alert emails. Unsubscribe anytime. See our Privacy Policy.
Water Systems Serving Washington (0)
Water system data coming soon for Washington.
Check Your Specific Address
Water quality can vary by neighborhood in Washington.
Related
Compare Washington water quality: View all states · Contaminant library · How we score water quality