Drinking water by city
US tap water quality reports
Drinking water quality reports for cities across the United States — contaminant levels compared against EPA legal limits and EWG health guidelines, with filter recommendations matched to what's actually in the water. Built on EPA SDWIS and UCMR5 data.
Don't see your city? Check by ZIP code.
Your ZIP code maps directly to your water utility—enter it for a personalised report.
Reports available now
New York City, NY
New York City System
Los Angeles, CA
Los Angeles Dept. Of Water & Power (Ladwp)
Chicago, IL
Chicago
Miami, FL
Mdwasa - Main System
Houston, TX
Houston Public Works (Houston Water)
Washington DC Metro, MD
Washington Suburban Sanitary Commission
Phoenix, AZ
Phoenix Water Services
Baltimore, MD
City Of Baltimore
Seattle, WA
Seattle Public Utilities
San Diego, CA
City Of San Diego — Public Utilities Department
Dallas, TX
Dallas Water Utilities
Columbus, OH
Columbus Public Water System
Denver, CO
Denver Water Board
Suffolk County, NY
Suffolk County Water Authority
San Antonio, TX
San Antonio Water System (Saws)
Orlando, FL
Orange County Utilities
San Jose, CA
San Jose Water
Fort Worth, TX
Fort Worth Water Department
Indianapolis, IN
Citizens Water - Indianapolis
Jacksonville, FL
Jea Major Grid
Nashville, TN
Metro Water Services
Rochester, NY
Mcwa
Louisville, KY
Louisville Water Company
Cincinnati, OH
Cincinnati Public Water System
El Paso, TX
El Paso Water Utilities Public Service B
DeKalb County, GA
Dekalb County
Tampa, FL
City Of Tampa Water Department
Cobb County, GA
Cobb County
Pittsburgh Area, PA
Pa Amer Water Co-Pittsburgh
Boston, MA
Boston Water And Sewer Commission (Mwra)
Lexington, KY
Kentucky-American Water Co
Omaha, NE
Metropolitan Utilities District
Portland, OR
Portland Water Bureau
Atlanta, GA
City Of Atlanta — Department Of Watershed Management
Coming soon
These utilities are in our system. Sign up on the city page and we'll notify you when your report is ready.
Philadelphia, PA
Philadelphia Water Department
Las Vegas, NV
Las Vegas Valley Water District
Oakland, CA
East Bay Mud
Cleveland, OH
Cleveland Public Water System
Charlotte, NC
Charlotte Water
Herndon, VA
Fairfax County Water Authority
Austin, TX
City Of Austin Water & Wastewater
Chesterfield, MO
Mo American St Louis St Charles Counties
Bayamon, PR
Metropolitano
Buford, GA
Gwinnett Co. Dept. Of Water Resources
San Francisco, CA
San Francisco Public Utilities Commission
Bryn Mawr, PA
Aqua Pa Main System
Guttenberg, NJ
Veolia Water New Jersey Hackensack
Tucson, AZ
City of Tucson
Riverside County, CA
Eastern Municipal Wd
Memphis, TN
Memphis Light, Gas, & Water
Scottsdale, AZ
City Of Scottsdale Water
Your water, not your city's average
City reports reflect utility-wide averages. Enter your ZIP code to see the report for your specific utility—some cities have multiple providers.
Check my water →Free · No email required · Powered by EPA data