Lafayette Parish, Louisiana
19 ZIP codes · Avg score 92/100 · Grade A · Updated
ZipCheckup grade for Lafayette Parish: A.
No federal data flags a major home-safety concern for this ZIP.
The 19 water systems serving Lafayette Parish show strong compliance with federal drinking water standards.
How Lafayette Parish Compares
How Lafayette Parish Compares
Lafayette Parish scores 0 points above the Louisiana state average (92/100) and 19 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: Lafayette Parish, Louisiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.4 (asthma 9.7%, diabetes 13%)
Estimated additional annual cost per homeowner: $5,067, driven primarily by sea_level
Violation History (2021–2024)
↓ Improving trendEPA violation counts by year across Lafayette Parish water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 5 violations. Past 5 years: 15 total (15 health-based). Health-based violations are declining versus the prior 2-year window.
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: $5,067
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Lafayette Parish
Remediation costs are relatively manageable for most homeowners in Lafayette 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 Lafayette Parish residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Lafayette Parish
8 community water systems serving Lafayette Parish.
- B
- B
- A
- A
- A
- B
Show all 8 water systems
- B
- A
26 total water systems serve Lafayette Parish.
Systems with the most violations in Lafayette Parish
5 water systems with recorded EPA violations.
- A
- A
- B
- B
- A
All ZIP Codes in Lafayette Parish
19 ZIP codes tracked in Lafayette Parish.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 70501 | Lafayette | 100 | A | 0 | $117K |
| 2 | 70503 | Lafayette | 100 | A | 0 | $327K |
| 3 | 70520 | Carencro | 96 | A | 6 (3 health) | $200K |
| 4 | 70507 | Lafayette | 94 | A | 9 (4 health) | $207K |
| 5 | 70506 | Lafayette | 93 | A | 9 (5 health) | $216K |
| 6 | 70529 | Duson | 93 | A | 10 (5 health) | $190K |
| 7 | 70592 | Youngsville | 92 | A | 13 (10 health) | $239K |
| 8 | 70508 | Lafayette | 87 | A | 12 (5 health) | $299K |
| 9 | 70518 | Broussard | 83 | B | 19 (18 health) | $287K |
| 10 | 70583 | Scott | 83 | B | 20 (7 health) | $130K |
| 11 | 70500 | Lafayette | — | — | — | |
| 12 | 70502 | Lafayette | — | — | — | |
| 13 | 70504 | Lafayette | — | — | — | |
| 14 | 70509 | Lafayette | — | — | — | |
| 15 | 70558 | Milton | — | — | — | |
| 16 | 70593 | Lafayette | — | — | — | |
| 17 | 70595 | Lafayette | — | — | — | |
| 18 | 70596 | Lafayette | — | — | — | |
| 19 | 70598 | Lafayette | — | — | — |
Recommended Buyer Guides for Lafayette Parish
Independent picks. EPA-grounded. Matched here.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Lafayette Parish, Louisiana
Overview
Lafayette Parish in Louisiana covers 19 tracked ZIP records with an average Home Safety Score of A (92/100) across 10 scored records.
8 of 10 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 41 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.