LOCAL WATER QUALITY REPORTS
EASTERN WASHINGTON CITY WATER
Airway Heights, WA
Airway Heights, WA
Airway Heights, WA
Cheney, WA
Airway Heights, WA
Airway Heights, WA
Chewelah, WA
Airway Heights, WA
Chewelah, WA
Colfax, WA
Deer Park, WA
Chewelah, WA
Colville, WA
Deer Park, WA
Deer Park, WA
Deer Park, WA
Deer Park, WA
Deer Park, WA
Liberty Lake, WA
Liberty Lake, WA
Liberty Lake, WA
Medical Lake, WA
Liberty Lake, WA
Liberty Lake, WA
Newport, WA
Liberty Lake, WA
Newport, WA
Pullman, WA
Ritzville, WA
Newport, WA
Ritzville, WA
Ritzville, WA
Ritzville, WA
Spokane, WA
Ritzville, WA
Ritzville, WA
NORTHERN IDAHO CITY WATER
Athol, ID
Bonners Ferry, ID
Bonners Ferry, ID
Bonners Ferry, ID
Bonners Ferry, ID
Bonners Ferry, ID
Coeur D'Alene, ID
Bonners Ferry, ID
Coeur D'Alene, ID
Deary, ID
Harrison, ID
Coeur D'Alene, ID
Harrison, ID
Harrison, ID
Harrison, ID
Lewiston, ID
Harrison, ID
Harrison, ID
Moscow, ID
Post Falls, ID
Post Falls, ID
Post Falls, ID
Post Falls, ID
Post Falls, ID
Sagle, ID
Post Falls, ID
Sandpoint, ID
Sandpoint, ID
St. Maries, ID
Sandpoint, ID
St. Maries, ID
St. Maries, ID
St. Maries, ID
Wallace, ID
St. Maries, ID
St. Maries, ID
Public Health Guidelines & Water Quality Testing
The Environmental Working Group (EWG) Drinking Water Guidelines PDF as of 2025
EWG PFAS Contamination Map
EWG Arsenic, Nitrates and Chromium-6 Map
CONCERNED ABOUT YOUR WATER?
We partner with local water companies that offer water testing at no cost to you.
SOURCE
Environmental Working Group (EWG) “EWG’s Tap Water Database: What’s in Your Drinking Water?” 2024 https://www.ewg.org/tapwater/
Last updated: 11/21/2025
WHS Water Division
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