Ste. Genevieve County, Missouri
3 ZIP codes · Avg score 59/100 · Grade C · Updated 2026-06-04
Monitoring figures for Ste. Genevieve County indicate average water quality overall — some ZIP codes among the 3 tracked have recorded health-based violations, while others operate cleanly, making individual ZIP-level data the most actionable reference point.
How Ste. Genevieve County Compares
How Ste. Genevieve County Compares
Ste. Genevieve County scores 10 points below the Missouri state average (69/100) and 9 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
Key Risk Factors
Health risk index: 14.7 (asthma 10.5%, diabetes 12.6%)
Estimated additional annual cost per homeowner: $1,190, driven primarily by flood
Infrastructure: 0.29% avg pipe failure probability
46.3% 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: $1,190
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,044 housing units in Ste. Genevieve 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 Ste. Genevieve County
Remediation costs are relatively manageable for most homeowners in Ste. Genevieve 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 Ste. Genevieve County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
All ZIP Codes in Ste. Genevieve County
3 ZIP codes tracked in Ste. Genevieve County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 63627 | Bloomsdale | 79 | B | 1 | $241K |
| 2 | 63036 | French Village | 53 | D | 0 | $211K |
| 3 | 63670 | Sainte Genevieve | 45 | D | 0 | $206K |
Recommended Buyer Guides for Ste. Genevieve County
Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Overview
Ste. Genevieve County in Missouri covers 3 ZIP codes with an average Home Safety Score of C (59/100).
1 of 3 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Missouri 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.