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    • Home
    • About
    • TESTING
      • No Cost Water Analysis
      • Certified Water Testing
    • PRODUCTS
      • Ultimate Guide
      • System Service
      • Softeners & Conditioners
      • Commercial Water Solution
      • Replacement Water Filters
      • Reverse Osmosis Systems
      • Tankless RO System
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      • Water Contaminants Guide
      • Water Contaminants List
      • Complimentary Gift
      • Blog
    • For Kids
      • Learn
    • Careers
EcoWater Spokane
  • Home
  • About
  • TESTING
    • No Cost Water Analysis
    • Certified Water Testing
  • PRODUCTS
    • Ultimate Guide
    • System Service
    • Softeners & Conditioners
    • Commercial Water Solution
    • Replacement Water Filters
    • Reverse Osmosis Systems
    • Tankless RO System
  • Water Resource Center
    • FAQ's
    • Service Area & Reports
    • Water Filtration Guide
    • Water Contaminants Guide
    • Water Contaminants List
    • Complimentary Gift
    • Blog
  • For Kids
    • Learn
  • Careers

INLAND NORTHWEST FILTRATION GUIDE

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Your filtration guide for Eastern Washington and Northern Idaho water contaminants. Learn how to filter contaminants in Spokane, Mead, Post Falls, Coeur d'Alene, and more local areas to keep you and your family safe! 

SEE LOCAL WATER REPORTS

INLAND NORTHWEST WATER CONTAMINANTS A-N

You can filter antimony from your water with a Reverse Osmosis under-sink drinking water system.


You can filter arsenic from your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter barium from your water with a water softener using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter bromodichlormethane from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter bromoform from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce chlorate in your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter chlorine from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce chlorodifluoromethane in your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter chloroform from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter chloromethane from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter chromium from your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter colbalt from your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter cyanide from your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter dibromochloromethane from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter di(2-ethylhexyl) phthalate from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter fluoride from your water with a reverse osmosis (RO) under-sink drinking water system.


You can filter germanium from your water with a reverse osmosis (RO) under-sink drinking water system.


You can filter haloacetic acids from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter lithium from your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter manganese from your water with a whole-home water system using ion-exchange.


You can reduce mercury in your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter microplastics from your water with a Reverse Osmosis under-sink drinking water system.


You can filter molybdenum from your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter nitrates from your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter nitrites from your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


INLAND NORTHWEST WATER CONTAMINANTS P-V

You can reduce perfluorobutanoic acid (PFBA) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce perfluorobutane sulfonate (PFBS) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce perfluorodecanoic acid (PFDA) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce perfluoroheptanoic acid (PFHPA) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce perfluorohexanoic acid (PFHxA) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce perfluorohexane sulfonate (PFHXS) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce perfluorononactonic acid (PFNA) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce perfluorooctanoic acid (PFOA) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce perfluoroctane sulfonate (PFOS) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce perfluoropentanoic acid (PFPeA) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can reduce perfluoropentane sulfonic acid (PFPeS) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter radium from your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter radon from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter selenium from your water with a Reverse Osmosis under-sink drinking water system.


You can filter strontium from your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter trichloroacetic acid from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter toluene from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter total trihalomethanes (TTHMs) from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter uranium from your water with a whole-home water system using ion exchange or a reverse osmosis (RO) under-sink drinking water system.


You can filter vanadium from your water with a whole-home water system using ion exchange.


+ MORE COMMON CONTAMINANTS

Look for a point-of-entry water filtration system designed to reduce iron, among other contaminants. 


You can filter lead from your water with a whole-home water system using activated carbon or a reverse osmosis (RO) under-sink drinking water system.


You can filter tannins with a specialized whole-home water treatment system designed to reduce contaminants such as tannins.


CONTACT A WATER EXPERT

DRINKING WATER SYSTEMS

SEE REVERSE OSMOSIS SYSTEMS

WHOLE-HOME SYSTEMS

SEE SOFTENERS & CONDITIONERS

OUR CERTIFICATIONS

CULUS certification mark certification to meet both Canadian (c) and US (us) standards
CSA certification to meet recognized standards for safety or performance in North America and Canada
The CE certification for essential health, safety, and environmental protection requirements (EEA)
CUSA certification for passing the Certified Utility Safety Program (CUSP) and CUSP exam
FCC certification for meeting the Federal Communications Commission's standards
ISO 9001 certification for quality management system (QMS)
NSF certification of quality and safety for products and systems
  • ISO 9001 certification for quality management system (QMS)
  • NSF certification of quality and safety for products and systems
  • CULUS certification mark certification to meet both Canadian (c) and US (us) standards
  • CSA certification to meet recognized standards for safety or performance in North America and Canada
  • The CE certification for essential health, safety, and environmental protection requirements (EEA)
  • CUSA certification for passing the Certified Utility Safety Program (CUSP) and CUSP exam
  • FCC certification for meeting the Federal Communications Commission's standards
  • ISO 9001 certification for quality management system (QMS)
  • NSF certification of quality and safety for products and systems
  • CULUS certification mark certification to meet both Canadian (c) and US (us) standards
  • CSA certification to meet recognized standards for safety or performance in North America and Canada

WORK CITED

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

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

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Published on: 2/9/2026

Last updated on: 2/9/2026 

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