Lafourche Parish, Louisiana
12 ZIP codes · Avg score 99/100 · Grade A · Updated
ZipCheckup grade for Lafourche Parish: A.
No federal data flags a major home-safety concern for this ZIP.
In recent assessments, Lafourche Parish's 12 ZIP codes record strong, consistent water safety outcomes.
How Lafourche Parish Compares
How Lafourche Parish Compares
Lafourche Parish scores 7 points above the Louisiana state average (92/100) and 26 points above 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: Lafourche Parish, Louisiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16 (asthma 10.2%, diabetes 14.7%)
Estimated additional annual cost per homeowner: $5,537, driven primarily by sea_level
55.2% of homes built before 1978 (lead paint era)
Violation History (2024–2025)
→ Stable trendEPA violation counts by year across Lafourche Parish water systems. Health-based shown in red, total in blue.
Peak year: 2025 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.
Parish 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: $5,537
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
43,356 housing units in Lafourche Parish
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 Lafourche Parish
Remediation costs are relatively manageable for most homeowners in Lafourche Parish, 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 Lafourche Parish residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Lafourche Parish
5 community water systems serving Lafourche Parish.
- A
- A
- A
- A
- A
Systems with the most violations in Lafourche Parish
3 water systems with recorded EPA violations.
- A
- A
- A
All ZIP Codes in Lafourche Parish
12 ZIP codes tracked in Lafourche Parish.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 70355 | Gheens | 100 | A | 0 | $107K |
| 2 | 70359 | Gray | 100 | A | 1 | $161K |
| 3 | 70373 | Larose | 100 | A | 1 | $179K |
| 4 | 70374 | Lockport | 100 | A | 1 | $190K |
| 5 | 70375 | Mathews | 100 | A | 0 | $244K |
| 6 | 70394 | Raceland | 100 | A | 1 | $184K |
| 7 | 70301 | Thibodaux | 95 | A | 11 (3 health) | $218K |
| 8 | 70310 | Thibodaux | — | — | 0 | — |
| 9 | 70345 | Cut Off | — | — | $166K | |
| 10 | 70354 | Galliano | — | — | $102K | |
| 11 | 70357 | Golden Meadow | — | — | $141K | |
| 12 | 70371 | Kraemer | — | — | — |
Recommended Buyer Guides for Lafourche Parish
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations - federal data drives the order, not retailer arrangements.
- Best Lead Paint Test Kits — 55.2% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Lafourche Parish, Louisiana
Overview
Lafourche Parish in Louisiana covers 12 tracked ZIP records with an average Home Safety Score of A (99/100) across 7 scored records.
5 of 8 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 3 health-based violations appear in the available health breakdown.
← Back to Louisiana 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.