PARISH REPORT LA

St. Landry Parish, Louisiana

14 ZIP codes · Home Safety Score unavailable · 0 of 14 tracked ZIP records scored · Updated

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

Unavailable
0 of 14 tracked ZIP records scored
14
ZIP Codes
$114K
Median Home Value
$1,736
Avg Remediation (152% of home value)

ZIP Code Risk Map

Water Quality Map: St. Landry Parish, Louisiana

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 16.9 (asthma 11.2%, diabetes 18.2%)

Estimated additional annual cost per homeowner: $4,875, driven primarily by sea_level

69.8% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

→ Stable trend

EPA violation counts by year across St. Landry Parish water systems. Health-based shown in red, total in blue.

2021
10 (10 health)
2022
12 (12 health)
2023
1 (1 health)
2024
7 (7 health)
2025
8 (8 health)

Peak year: 2022 with 12 violations. Past 5 years: 38 total (38 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

Parish Health Indicators vs National Average

Asthma 11.2% (national: 8.9%)
Diabetes 18.2% (national: 10.5%)
Obesity 40.4% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1973
Median Build Year
69.8%
Pre-1978 Housing
43/100
Infrastructure Stress Indicator
77%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

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: $4,875

Sea Level Rise $3,000/yr
Flood $1,169/yr
Energy Code Gap $563/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

38,243 housing units in St. Landry Parish

Pre-1940 3%
1940–1959 11%
1960–1979 42%
1980–1999 25%
2000+ 19%

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. Landry Parish

$114K
Median Home Value
$1,736
Est. Remediation Cost
1.5%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in St. Landry 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 St. Landry Parish residents

Asthma 11.2% (US avg: 8.9%)
Diabetes 18.2% (US avg: 11%)
Obesity 40.4% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving St. Landry Parish

8 community water systems serving St. Landry Parish.

Show all 8 water systems

17 total water systems serve St. Landry Parish.

Systems with the most violations in St. Landry Parish

5 water systems with recorded EPA violations.

All ZIP Codes in St. Landry Parish

14 ZIP codes tracked in St. Landry Parish.

# ZIP Code City Safety Score Grade Violations Home Value
1 70512 Arnaudville 37 (28 health) $135K
2 70535 Eunice 5 (5 health) $161K
3 70541 Grand Coteau 18 (10 health) $87K
4 70550 Lawtell 3 (3 health)
5 70551 Leonville 8 (8 health) $114K
6 70570 Opelousas 39 (28 health) $151K
7 70571 Opelousas
8 70577 Port Barre 9 (9 health) $98K
9 70584 Sunset 29 (20 health) $184K
10 70589 Washington 8 (8 health) $106K
11 70750 Krotz Springs $113K
12 71345 Lebeau
13 71353 Melville $122K
14 71358 Palmetto $114K

Recommended Buyer Guides for St. Landry Parish

Designed to find the guide that fits the county, not the other way around - the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.

Overview

St. Landry Parish in Louisiana covers 14 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

9 of 9 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 43 health-based violations appear in the available health breakdown.

← Back to Louisiana Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

How many water systems serve St. Landry Parish?
St. Landry Parish is served by 17 public water systems that supply drinking water to residents across 14 ZIP codes.
What is the biggest environmental risk in St. Landry Parish?
The primary environmental risk factor in St. Landry Parish is sea_level. This contributes to an estimated additional annual cost of $4,875 per homeowner.
How old are homes in St. Landry Parish?
The median home build year in St. Landry Parish is 1973. 69.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). St. Landry Parish, Louisiana Home Safety Profile. https://zipcheckup.com/county/louisiana/st-landry/
BibTeX
@misc{zipcheckup-county-louisiana-st-landry,
  author = {{ZipCheckup}},
  title  = {{St. Landry Parish, Louisiana Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/louisiana/st-landry/}
}

Page version: August 2026.

Get safety alerts for St. Landry, Louisiana

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.