St. Bernard County, Louisiana
4 ZIP codes · Avg score 60/100 · Grade C · Updated 2026-06-04
Water monitoring across St. Bernard County's 4 ZIP codes paints a mid-range picture — solid compliance in some zones, documented concerns in others; most violations on record are concentrated in specific prior years rather than spread evenly across the full compliance history, and the overall county grade has held steady in the middle tier without major shifts in either direction.
How St. Bernard County Compares
How St. Bernard County Compares
St. Bernard County scores 11 points below the Louisiana state average (71/100) and 8 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
Key Risk Factors
Health risk index: 15.4 (asthma 10.6%, diabetes 15.3%)
Estimated additional annual cost per homeowner: $5,743, driven primarily by sea_level
Infrastructure: 0.293% avg pipe failure probability
56.3% 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: $5,743
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
13,311 housing units in St. Bernard 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 St. Bernard County
Remediation costs are relatively manageable for most homeowners in St. Bernard 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 St. Bernard County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
All ZIP Codes in St. Bernard County
4 ZIP codes tracked in St. Bernard County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 70044 | Chalmette | 90 | A | 0 | — |
| 2 | 70043 | Chalmette | 75 | B | 0 | $204K |
| 3 | 70075 | Meraux | 37 | F | 0 | $226K |
| 4 | 70092 | Violet | 37 | F | 0 | $167K |
Recommended Buyer Guides for St. Bernard County
Four sources — EPA, NSF, FEMA, CDC — drive the match.
- Best Lead Paint Test Kits — 56.3% of homes built before 1978
Overview
St. Bernard County in Louisiana covers 4 ZIP codes with an average Home Safety Score of C (60/100).
No EPA violations recorded across any tracked ZIP codes in St. Bernard County.
← Back to Louisiana 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.