Clearwater County, Idaho
5 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-06-03
Although much of Clearwater County meets baseline standards, some of its 5 ZIP codes show violations that merit closer attention.
How Clearwater County Compares
How Clearwater County Compares
Clearwater County scores 9 points below the Idaho state average (66/100) and 11 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Clearwater County, Idaho
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.2 (asthma 10.5%, diabetes 13.1%)
Estimated additional annual cost per homeowner: $1,340, driven primarily by energy_code_gap
Infrastructure: 0.43% avg pipe failure probability, 80% of ZIPs at high risk
70.2% of homes built before 1978 (lead paint era)
Violation History (2023–2024)
→ Stable trendEPA violation counts by year across Clearwater County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 3 violations. Past 5 years: 4 total (4 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,340
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
4,148 housing units in Clearwater 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 Clearwater County
Remediation costs are relatively manageable for most homeowners in Clearwater 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 Clearwater County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Clearwater County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Ahsahka Water and Sewer District | 85 | 10 |
| 2 | City of Pierce | 467 | 7 |
| 3 | City of Orofino | 2,459 | 5 |
| 4 | Riverside Water and Sewer District | 2,000 | 5 |
| 5 | Lakeview Water District | 45 | 5 |
9 total water systems serve Clearwater County.
All ZIP Codes in Clearwater County
5 ZIP codes tracked in Clearwater County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 83553 | Weippe | 66 | C | 0 | $226K |
| 2 | 83827 | Elk River | 66 | C | 0 | $225K |
| 3 | 83520 | Ahsahka | 62 | C | 10 (1 health) | $159K |
| 4 | 83544 | Orofino | 52 | D | 5 (1 health) | $260K |
| 5 | 83546 | Pierce | 41 | D | 7 (1 health) | $179K |
Recommended Buyer Guides for Clearwater 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 Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 70.2% 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 Clearwater County, Idaho
Overview
Clearwater County in Idaho covers 5 ZIP codes with an average Home Safety Score of C (57/100).
3 of 5 ZIP codes have recorded EPA violations. 3 health-based violations have been documented.
← Back to Idaho water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.