Spokane County, Washington
51 ZIP codes · Avg score 49/100 · Grade D · Updated
ZipCheckup grade for Spokane County: D.
Several federal signals point to home-safety risks in this ZIP.
Your top priority: see the breakdown below and consider a certified water filter. NSF certified filters →
Spanning 51 ZIP codes, Spokane County carries a low water safety grade - health-based violations appear in a significant share of areas.
How Spokane County Compares
How Spokane County Compares
Spokane County scores 37 points below the Washington state average (86/100) and 24 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Spokane County, Washington
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12 (asthma 11.5%, diabetes 10.2%)
Estimated additional annual cost per homeowner: $891, driven primarily by energy_code_gap
56.5% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $891
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
222,701 housing units in Spokane County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Spokane County
Remediation costs are relatively manageable for most homeowners in Spokane County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Spokane County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Spokane County
8 community water systems serving Spokane County.
- D
- D
- D
- D
- D
- D
Show all 8 water systems
- D
- D
36 total water systems serve Spokane County.
Systems with the most violations in Spokane County
5 water systems with recorded EPA violations.
- F
- D
- D
- D
All ZIP Codes in Spokane County
51 ZIP codes tracked in Spokane County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 99019 | Liberty Lake | 63 | C | 10 | $558K |
| 2 | 99016 | Greenacres | 61 | C | 14 | $450K |
| 3 | 99037 | Veradale | 61 | C | 14 | $447K |
| 4 | 99206 | Spokane | 59 | C | 20 (1 health) | $362K |
| 5 | 99001 | Airway Heights | 50 | D | 1 | $281K |
| 6 | 99011 | Fairchild Air Force Base | 50 | D | 1 | — |
| 7 | 99201 | Spokane | 50 | D | 0 | $260K |
| 8 | 99202 | Spokane | 50 | D | 1 | $269K |
| 9 | 99203 | Spokane | 50 | D | 0 | $449K |
| 10 | 99204 | Spokane | 50 | D | 0 | $356K |
| 11 | 99207 | Spokane | 50 | D | 0 | $247K |
| 12 | 99258 | Spokane | 50 | D | 0 | — |
| 13 | 99004 | Cheney | 49 | D | 4 | $369K |
| 14 | 99205 | Spokane | 49 | D | 2 | $286K |
| 15 | 99218 | Spokane | 49 | D | 3 | $405K |
| 16 | 99005 | Colbert | 48 | D | 3 | $488K |
| 17 | 99022 | Medical Lake | 48 | D | 6 | $346K |
| 18 | 99021 | Mead | 47 | D | 7 | $418K |
| 19 | 99208 | Spokane | 47 | D | 10 | $414K |
| 20 | 99212 | Spokane | 47 | D | 7 (1 health) | $314K |
| 21 | 99224 | Spokane | 47 | D | 10 | $440K |
| 22 | 99223 | Spokane | 46 | D | 10 | $457K |
| 23 | 99216 | Spokane | 42 | D | 20 | $337K |
| 24 | 99217 | Spokane | 42 | D | 21 | $329K |
| 25 | 99003 | Chattaroy | 36 | F | 43 | $411K |
| 26 | 99006 | Deer Park | 36 | F | 43 | $367K |
| 27 | 99012 | Fairfield | — | — | $289K | |
| 28 | 99014 | Four Lakes | — | — | — | |
| 29 | 99018 | Latah | — | — | $310K | |
| 30 | 99020 | Marshall | — | — | — | |
| 31 | 99023 | Mica | — | — | 4 | $700K |
| 32 | 99025 | Newman Lake | — | — | 17 | $458K |
| 33 | 99027 | Otis Orchards | — | — | 17 | $368K |
| 34 | 99030 | Rockford | — | — | 2 | $284K |
| 35 | 99031 | Spangle | — | — | $330K | |
| 36 | 99036 | Valleyford | — | — | 9 | $581K |
| 37 | 99039 | Waverly | — | — | $192K | |
| 38 | 99209 | Spokane | — | — | — | |
| 39 | 99210 | Spokane | — | — | — | |
| 40 | 99211 | Spokane | — | — | — | |
| 41 | 99213 | Spokane | — | — | — | |
| 42 | 99214 | Spokane | — | — | — | |
| 43 | 99215 | Spokane | — | — | — | |
| 44 | 99219 | Spokane | — | — | — | |
| 45 | 99220 | Spokane | — | — | — | |
| 46 | 99228 | Spokane | — | — | — | |
| 47 | 99251 | Spokane | — | — | 3 | — |
| 48 | 99252 | Spokane | — | — | — | |
| 49 | 99256 | Spokane | — | — | — | |
| 50 | 99260 | Spokane | — | — | — | |
| 51 | 99299 | Spokane | — | — | — |
Recommended Buyer Guides for Spokane County
Designed to find the guide that fits the county, not the other way around - the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.
- Best Water Filters for PFAS — PFAS detected in 2 ZIP codes
- Best Water Filters for Lead — Lead above EPA action level in 8 ZIP codes
- Best Lead Paint Test Kits — 56.5% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Spokane County, Washington
Overview
Spokane County in Washington covers 51 tracked ZIP records with an average Home Safety Score of D (49/100) across 26 scored records.
27 of 32 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 1 health-based violation appear in the available health breakdown.
← Back to Washington Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
What You Can Do
Spokane County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.
Check for lead in your home
56.5% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.