Butte County, Idaho
3 ZIP codes · Avg score 65/100 · Grade C · Updated 2026-06-03
Covering 3 ZIP codes, Butte County falls in the average tier for tap water safety — violations appear in a meaningful share of areas, and the data suggests quality depends heavily on which specific part of the county a household sits in.
How Butte County Compares
How Butte County Compares
Butte County scores 1 points below the Idaho state average (66/100) and 3 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 15.8 (asthma 11.5%, diabetes 15.2%)
Estimated additional annual cost per homeowner: $973, driven primarily by energy_code_gap
Infrastructure: 0.407% avg pipe failure probability, 67% of ZIPs at high risk
75.7% 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
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $973
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
1,447 housing units in Butte 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 Butte County
Remediation costs are relatively manageable for most homeowners in Butte 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 Butte 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 Butte County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Arco | 1,080 | 3 |
| 2 | City of Butte | 59 | 3 |
| 3 | Moore Water and Sewer Assn | 196 | 2 |
| 4 | Antelope Creek Living Center | 27 | 2 |
| 5 | Howe Townsite | 55 | 1 |
All ZIP Codes in Butte County
3 ZIP codes tracked in Butte County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 83244 | Howe | 66 | C | 1 | $239K |
| 2 | 83213 | Arco | 65 | C | 3 (1 health) | $114K |
| 3 | 83255 | Moore | 64 | C | 2 | $250K |
Recommended Buyer Guides for Butte County
Retailer arrangements don't shape what appears here — the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Lead Paint Test Kits — 75.7% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Overview
Butte County in Idaho covers 3 ZIP codes with an average Home Safety Score of C (65/100).
3 of 3 ZIP codes have recorded EPA violations. 1 health-based violation 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.