Contaminants in Eastern Washigton and Northern Idaho : How to Filter Local Water Contaminants

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When looking for effective water filtration, you’ll want to make sure you know exactly what water contaminants you have. We offer complimentary water testing for Inland Northwest homeowners. Common contaminants found in the Inland Northwest include, but are not limited to:

  • Antimony
  • Arsenic
  • Barium
  • Bromoform
  • Chlorate
  • Chloroform
  • Chloromethane
  • Chromium
  • Colbalt
  • Cyanide 
  • Fluoride
  • Germanium
  • Haloacetic acids
  • Iron
  • Lead
  • Lithium
  • Manganese
  • Mercury 
  • Microplastics
  • Molybdenum
  • Nitrate
  • Nitrite
  • Perfluorooctanoic acid (PFOA)
  • Perfluoroctane sulfonate (PFOS)
  • Radium
  • Radon
  • Selenium
  • Strontium
  • Tannins
  • Trichloroacetic acid
  • Toluene
  • Total trihalomethanes (TTHMs)
  • Uranium
  • Vanadium

+ More contaminants not listed above* 

Potential Effects of Inland Northwest Water Contamination

  • Low water pressure
  • Pipe clogs
  • Limescale buildup
  • Water spots
  • Stiff or dull laundry
  • Shorter appliance lifespan
  • Dry hair, nails, and skin
  • Health risks when consumed
  • Unwanted odors and tastes

+ More not listed above*

Effective Methods of Filtration

  1. Reverse Osmosis Systems (Point-of-Use)
  2. Ultraviolet (UV) Purification
  3. Ion Exchange Water Softeners
  4. Whole House Filtration (Point-of-Entry)
  5. Active Carbon Filtration

+ More not listed above*

Receive a Complimentary Water Analysis

If you’d like to learn exactly what’s in your household water, we offer complimentary water testing for homeowners in Eastern Washington and Northern Idaho. Put you and your family’s health first. Get started today!

SOURCES

Environmental Working Group (EWG) “EWG’s Tap Water Database: Contaminants in Your Water.” Www.ewg.orgwww.ewg.org/tapwater/chemical-contaminants.php

Environmental Protection Agency (EPA) “US EPA.” 2023, www.epa.gov  

Published on: 4/24/2026

Last updated on: 4/24/

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