COMPLIMENTARY WATER ANALYSIS
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Complimentary Home Water Testing in Eastern Washington and Northern Idaho
EcoWater offers no-cost water testing for Spokane, Coeur d'Alene, Post Falls, and the surrounding areas of Eastern Washington and Northern Idaho.
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CERTIFIED MAIL-IN WATER TESTING FOR HOME LOANS AND REFINANCE
OUR CERTIFICATIONS
EWG PFAS Contamination Map
Testing Process
This is a certification standard developed by NSF International, an independent organization that tests and certifies products related to public health and safety. NSF/ANSI Standard 58 establishes requirements for the performance and safety of reverse osmosis drinking water treatment systems. Reverse osmosis is a process that removes impurities from water by forcing it through a semipermeable membrane. Certification to NSF/ANSI Standard 58 indicates that a reverse osmosis system has been tested and meets specific performance and safety standards.
Last updated on: 9/12/2025
This is a certification standard developed by NSF International that establishes requirements for the performance and safety of point-of-use (POU) and point-of-entry (POE) drinking water treatment systems. POU and POE systems are designed to treat water at the point where it is consumed or where it enters a building. Certification to NSF/ANSI Standard 42 indicates that a water treatment system has been tested and meets specific performance and safety standards related to the reduction of aesthetic contaminants such as taste, odor, and color.
Last updated on: 9/12/2025
This is a certification standard developed by NSF International that establishes requirements for the performance and safety of bottled water products. Certification to NSF/ANSI Standard 473 indicates that a bottled water product has been tested and meets specific performance and safety standards related to its source, treatment, and packaging.
Last updated on: 9/12/2025
This is a certification standard developed by NSF International that establishes requirements for the performance and safety of water filtration systems related to the reduction of emerging contaminants. Emerging contaminants are chemical or microbial substances that have been identified in water sources, but for which there are no established health standards. Certification to NSF/ANSI Standard 401 indicates that a water filtration system has been tested and meets specific performance and safety standards related to the reduction of these emerging contaminants.
Last updated on: 9/12/2025
VOCs (volatile organic compounds) are organic chemicals that have a high vapor pressure at room temperature. They are emitted by a variety of products and materials, including paints, adhesives, cleaning agents, and building materials. Exposure to VOCs can cause a range of health effects, including respiratory problems and neurological damage. Surrogate testing using chloroform is a method for measuring the concentration of VOCs in air or water samples. Chloroform is used as a surrogate because it is easy to measure and its behavior is similar to that of many VOCs. The importance of VOC testing is related to the health effects of exposure and the need to control emissions of these chemicals to protect human health and the environment.
Source:
US EPA. “What Are Volatile Organic Compounds (VOCs)?” US EPA, 19 Feb. 2019, www.epa.gov/indoor-air-quality-iaq/what-are-volatile-organic-compounds-vocs.
Last updated on: 9/12/2025
Common Drinking Water Questions
A: Spokane’s public drinking water is regulated under the EPA Safe Drinking Water Act. Safety can vary by source and home plumbing. Review your utility’s annual Consumer Confidence Report (CCR), consider a water test, and use NSF/ANSI-certified filters if needed for added protection.
Sources: EPA — Consumer Confidence Reports (CCR) for Drinking Water
Last updated: 8/25/2025
A: Lake Coeur d’Alene is not recommended as a direct drinking water source without treatment. EPA and Idaho DEQ report historic mining contamination with lead, cadmium, and zinc. For safe use, test water and install NSF/ANSI-certified treatment such as reverse osmosis or certified carbon filtration.
Sources: EPA — Coeur d’Alene Basin Cleanup
NSF — Certified Drinking Water Treatment Units
Last updated: 8/25/2025
A: EPA and state assessments list Spokane River impairments that can include PCBs, certain metals (e.g., lead, cadmium, zinc), nutrients, and bacteria. Check your segment in EPA’s How’s My Waterway and consider NSF/ANSI-certified treatment for drinking water if needed.
Sources: EPA — Spokane River PCBs
NSF — Certified Drinking Water Treatment Units (DWTU)
Last updated: 8/25/2025
A: Yes. A water softener removes hardness minerals like calcium and magnesium, but it does not remove contaminants such as lead, PFAS, or nitrates. For safe drinking water, the EPA and CDC recommend point-of-use treatment like an NSF/ANSI 58-certified reverse osmosis system in addition to a softener.
Sources: EPA — Home Water Treatment
NSF — Certified Drinking Water Treatment Units (NSF/ANSI 58)
Last updated: 8/25/2025
A: Common signs include bad taste or odor, staining, cloudy ice, and PFAS concerns. Review your EPA Consumer Confidence Report and test your water; select NSF/ANSI-certified carbon or RO filtration matched to your results. EcoWater Spokane offers complimentary water testing for Eastern Washington and Northern Idaho homeowners.
Sources: EPA — Consumer Confidence Reports (CCR)
NSF — DWTU Listings (Standards 42/53/58)
EPA — Secondary Drinking Water Standards
Last updated 8/25/2025
A: PFAS are per- and polyfluoroalkyl substances, also called “forever chemicals,” that may be found in Spokane water from industrial and consumer sources. EPA health advisories recommend reducing PFAS exposure. The best removal options are NSF/ANSI 53–53-certified carbon filters or NSF/ANSI 58 reverse osmosis systems, which EcoWater Spokane installs locally.
Sources: EPA — PFAS Explained
NSF — Certified Drinking Water Treatment Units for PFAS (Standards 53 & 58)
CDC — Per- and Polyfluoroalkyl Substances (PFAS) and Your Health
Last updated: 8/25/2025
A: Use a drinking-water filter certified for lead reduction—NSF/ANSI 53 (carbon) or NSF/ANSI 58 (reverse osmosis). Install at the tap, use cold water for drinking/cooking, and test your water. EcoWater Spokane installs certified RO and filters for CDA homes.
Sources: EPA — Lead in Drinking Water
NSF/ANSI Drinking Water Treatment Units Certifications (e.g., 53 & 58)
Last updated: 8/25/2025.
A: Choose a reverse osmosis system certified to NSF/ANSI 58 for contaminant reduction, matched to your household use, and professionally installed. Review your utility’s EPA Consumer Confidence Report, then select an NSF-listed unit. In Spokane, EcoWater Spokane installs NSF/ANSI 58-certified RO and provides in-home testing and quotes.
Sources: NSF — Certified Drinking Water Treatment Units (NSF/ANSI 58)
EPA — Consumer Confidence Reports (CCR) for Drinking Water
Last updated: 8/25/2025
A: Certified local providers, including EcoWater Spokane, install PFAS-reducing systems that use activated carbon or reverse osmosis and are certified to NSF/ANSI 53 or 58. Choose equipment verified for PFOA/PFOS reduction and confirm needs with testing per EPA guidance. Certified local providers, including EcoWater Spokane, install PFAS-reducing systems that use activated carbon or reverse osmosis and are certified to NSF/ANSI 53 or 58. Choose equipment verified for PFOA/PFOS reduction and confirm needs with testing per EPA guidance.
The best water softener for well water depends on the water chemistry and hardness levels. We at EcoWater Spokane offer complimentary water testing. We'll help you determine the best water system for your home.
Sources: EPA — PFAS in Drinking Water
NSF — Certified Drinking Water Treatment Units (PFAS-related standards 53 & 58)
Last updated: 8/25/2025
A: RO (NSF/ANSI 58) targets drinking-water contaminants like lead, arsenic, and PFAS at one faucet. Whole-home filters (NSF/ANSI 42/53) treat all taps for chlorine, taste, odor, and some contaminants. Many homes use both. Test first, then match solutions to results.
Sources: NSF — DWTU Listings (42/53/58)
EPA — Consumer Confidence Reports (CCR)
Last updated 8/25/2025
A: To maintain your RO system, replace pre- and post-filters every 6–12 months and the membrane every 2–3 years. Use only NSF/ANSI 58-certified replacement filters. Check the EPA Consumer Confidence Report or conduct regular water tests to ensure continuing performance.
Sources: NSF/ANSI 58 — Reverse Osmosis Drinking Water Treatment Units (Certified DWTU Listings)
Last updated 8/25/2025
A: Quality water matters because regional sources can contain lead, arsenic, and PFAS that affect health. EPA and CDC recommend testing and using NSF/ANSI-certified filtration to reduce risks and ensure safe drinking water for Spokane, CDA, and Northwest homes.
Sources: EPA — PFAS & Drinking Water
CDC — Drinking Water (Home Treatment)
NSF — Certified Drinking Water Treatment Units
Last updated 8/25/2025
A: Choose low-waste, NSF/ANSI-certified systems: high-efficiency reverse osmosis (NSF/ANSI 58) and certified activated carbon filters (NSF/ANSI 42/53). Test your water, size the system correctly, and maintain filters. EcoWater Spokane installs efficient RO and carbon solutions for Coeur d’Alene homes.
Sources: NSF — Certified Drinking Water Treatment Units (NSF/ANSI 42, 53, 58)
EPA — Consumer Confidence Reports (CCR) for Drinking Water
Last updated: 8/25/2025
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