Kootenai County, Idaho
13 ZIP codes · Avg score 59/100 · Grade C · Updated
ZipCheckup grade for Kootenai County: C.
A mixed picture - some signals here are worth your attention.
Water systems across Kootenai County's 13 ZIP codes produce average compliance results overall - pockets with documented violations exist, and the variation between areas makes ZIP-level lookup the most useful tool for residents here.
How Kootenai County Compares
How Kootenai County Compares
Kootenai County scores 13 points below the Idaho state average (72/100) and 14 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: Kootenai County, Idaho
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.1 (asthma 10.7%, diabetes 9.9%)
Estimated additional annual cost per homeowner: $1,033, driven primarily by flood
43.5% 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: $1,033
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
75,970 housing units in Kootenai 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 Kootenai County
Remediation costs are relatively manageable for most homeowners in Kootenai 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 Kootenai County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Kootenai County
8 community water systems serving Kootenai County.
- C
- C
- D
- D
- C
- C
Show all 8 water systems
- C
22 total water systems serve Kootenai County.
Systems with the most violations in Kootenai County
5 water systems with recorded EPA violations.
- D
- D
- D
- D
All ZIP Codes in Kootenai County
13 ZIP codes tracked in Kootenai County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 83815 | Coeur D Alene | 67 | C | 1 | $472K |
| 2 | 83835 | Hayden | 64 | C | 5 (1 health) | $502K |
| 3 | 83854 | Post Falls | 61 | C | 12 (2 health) | $434K |
| 4 | 83814 | Coeur D Alene | 52 | D | 23 (3 health) | $519K |
| 5 | 83858 | Rathdrum | 50 | D | 32 (11 health) | $453K |
| 6 | 83801 | Athol | — | — | 24 (10 health) | $496K |
| 7 | 83803 | Bayview | — | — | 0 | $661K |
| 8 | 83816 | Coeur D Alene | — | — | — | |
| 9 | 83833 | Harrison | — | — | $530K | |
| 10 | 83842 | Medimont | — | — | $635K | |
| 11 | 83869 | Spirit Lake | — | — | 6 (1 health) | $425K |
| 12 | 83876 | Worley | — | — | $428K | |
| 13 | 83877 | Post Falls | — | — | — |
Recommended Buyer Guides for Kootenai County
While many sites publish identical guide lists across every county they cover, the selection here changes by location - driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- 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
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Kootenai County, Idaho
Overview
Kootenai County in Idaho covers 13 tracked ZIP records with an average Home Safety Score of C (59/100) across 5 scored records.
7 of 8 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 14 health-based violations appear in the available health breakdown.
← Back to Idaho 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.