Tap Water Quality in Spokane, Washington (ZIP 99203)
Serving Spokane, Washington
Is the Tap Water Safe in Spokane, Washington?
Tap water in Spokane, Washington (ZIP 99203) has 7 contaminants above EPA health-based guidelines (MCLGs) in at least one of the 1 city served. We recommend reviewing detailed city reports below and considering a certified water filter for additional protection.
ZIP 99203 is served by 6 water utilities providing water to Spokane. Water quality varies by utility and city. Click on the cities below to see detailed reports for your specific area.
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Water Quality Report for ZIP 99203
4 contaminants above EPA health guidelines
These levels represent the worst case across all cities in this ZIP code. Check individual city reports for specific details.
Found in Spokane
Found in Spokane
Found in Spokane
Found in Spokane
Water Utilities Serving ZIP 99203
HIDDEN HILLS ESTATES
39
Not available
Water Source:
Groundwater
Contaminants Tested:
174
PASADENA PARK IRR DIST 17
6,269
Not available
Water Source:
Groundwater
Contaminants Tested:
101
SPOKANE CITY OF
244,817
Not available
Water Source:
Groundwater
Contaminants Tested:
197
North Spokane Irrigation District 8
2,214
Not available
Water Source:
Groundwater
Contaminants Tested:
164
RIDGEVIEW PARK ESTATES
30
Not available
Water Source:
Groundwater
Contaminants Tested:
166
PONDORAY SHORES WATER & SEWER
63
Not available
Water Source:
Groundwater
Contaminants Tested:
65
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Best Water Filters for Spokane (ZIP 99203)
Based on the contaminants found in your area, we recommend NSF-certified water filters that can remove the specific contaminants above health guidelines.
Filter guides for the contaminants detected here:
Check if your filter is certified to remove Arsenic
Marketing pages and Amazon listings often say "filters arsenic" without naming the NSF/ANSI standard behind the claim. Search any brand or model in our cert-checker to see whether Arsenic reduction is in the third-party-verified listing.
Check filters certified for ArsenicCheck if your filter is certified to remove Lead
Marketing pages and Amazon listings often say "filters lead" without naming the NSF/ANSI standard behind the claim. Search any brand or model in our cert-checker to see whether Lead reduction is in the third-party-verified listing.
Check filters certified for LeadFrequently Asked Questions about Spokane Tap Water
Is the tap water safe in Spokane, Washington (ZIP 99203)?
Which water utilities serve ZIP code 99203?
How do I pay my water bill in Spokane (ZIP 99203)?
What contaminants are in Spokane water (ZIP 99203)?
Should I use a water filter in Spokane (ZIP 99203)?
What cities are in ZIP code 99203?
How we built this page
Water-quality data on this page comes from public federal and state records for the 6 utilityies serving ZIP 99203. We refresh each utility's record whenever its underlying source publishes new data.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: the most recent published Consumer Confidence Report (CCR) from each utility serving this ZIP, where available.
- Service area & contact: EPA SDWIS plus the Washington Department of Environmental Protection / Drinking Water program.
Spotted a data issue? Use the Spotted something off? link at the bottom of the page — corrections feed back into the next data refresh. Learn more about TapWaterData.
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