Spokane Valley
WA

Is Spokane Valley, WA Tap Water Safe to Drink?

Spokane Valley tap water meets federal Safe Drinking Water Act standards but 3 of 5 ZIP codes show detections above EPA health guidelines, primarily for lithium. A certified filter is recommended for households that want an additional layer of protection.

12Water systems
5ZIP codes
60%ZIPs above EPA guideline
Metro areaSpokane-Spokane Valley, WA
Latest data2025-11-13

Where Does Spokane Valley Get Its Water?

Water in Spokane Valley, WA is provided by 12 public water systems: EAST SPOKANE WATER DIST 1, IRVIN WATER DISTRICT #6, MODERN ELECTRIC WATER CO, SPO CO WATER DIST 3 SYS 2, SPOKANE CITY OF, VERA WATER & POWER, CONSOLIDATED IRRIG DIST 19 SYSTEM 1, CONSOLIDATED IRRIG DIST 19 SYSTEM 2, ORCHARD AVENUE IRRIGATION DIST 6, PASADENA PARK IRR DIST 17, SPOKANE BUSINESS & INDUSTRIAL PARK and TRENTWOOD IRRIGATION DISTRICT 3.

How Is Spokane Valley Tap Water Treated?

Treated water is disinfected using chloramines and free chlorine. Treatment includes groundwater disinfection.

What's in Spokane Valley Tap Water?

The following contaminants were detected most frequently in Spokane Valley public water systems. 3 of 5 ZIP codes showed detections above EPA health guidelines.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
lithium 12 µg/L 10 µg/L 3 ZIPs Above guideline
PFTrDA 0.007 µg/L — 0 ZIPs Within guideline
8:2 FTS 0.005 µg/L 0.005 µg/L 1 ZIP Within guideline
6:2 FTS 0.005 µg/L 0.005 µg/L 1 ZIP Within guideline
PFBA 0.005 µg/L — 0 ZIPs Within guideline

Health Risk Profile for Spokane Valley

Based on EPA monitoring data, 3 of 5 ZIP codes in Spokane Valley have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.

Best Broad-Spectrum Filters for This Water Profile

This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.

Waterdrop G3P600 Reverse Osmosis System
Under-sink RO system

8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.

See recommendations matched to your exact address: choose your ZIP code below.

Frequently Asked Questions about Spokane Valley Tap Water

Is Spokane Valley tap water safe to drink?

Spokane Valley tap water meets Safe Drinking Water Act requirements but 3 of 5 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.

What contaminants are in Spokane Valley tap water?

The most commonly detected contaminants in Spokane Valley water systems include: lithium, PFTrDA, 8:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does Spokane Valley get its drinking water?

Spokane Valley receives water from 12 public water systems, including EAST SPOKANE WATER DIST 1.

Do I need a water filter in Spokane Valley?

If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.

How often is Spokane Valley tap water tested?

Public water systems in Spokane Valley are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2025-11-13.

Tap water reports by ZIP in Spokane Valley

Water utilities serving Spokane Valley, WA

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline.

Also covers / overlaps with