PARISH REPORT LA

Washington Parish, Louisiana

5 ZIP codes · Home Safety Score unavailable · 0 of 5 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 5 tracked ZIP records scored
5
ZIP Codes
$125K
Median Home Value
$1,800
Avg Remediation (145% of home value)

ZIP Code Risk Map

Water Quality Map: Washington 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: 17.3 (asthma 10.8%, diabetes 17.8%)

Estimated additional annual cost per homeowner: $4,434, driven primarily by sea_level

54.5% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

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

2021
1 (1 health)
2022
4 (4 health)
2024
5 (5 health)
2025
3 (3 health)

Peak year: 2024 with 5 violations. Past 5 years: 13 total (13 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.

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

Parish Health Indicators vs National Average

Asthma 10.8% (national: 8.9%)
Diabetes 17.8% (national: 10.5%)
Obesity 45.5% (national: 32.4%)

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

Infrastructure Overview

1982
Median Build Year
54.5%
Pre-1978 Housing
39/100
Infrastructure Stress Indicator
40%
ZIPs with High Infrastructure Stress
Moderate
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: $4,434

Sea Level Rise $2,100/yr
Flood $1,560/yr
Energy Code Gap $405/yr

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

Housing Age Distribution

21,963 housing units in Washington Parish

Pre-1940 5%
1940–1959 14%
1960–1979 31%
1980–1999 27%
2000+ 23%

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 Washington Parish

$125K
Median Home Value
$1,800
Est. Remediation Cost
1.4%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Washington 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 Washington Parish residents

Asthma 10.8% (US avg: 8.9%)
Diabetes 17.8% (US avg: 11%)
Obesity 45.5% (US avg: 32.4%)

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

Water systems serving Washington Parish

7 community water systems serving Washington Parish.

Show all 7 water systems

Systems with the most violations in Washington Parish

4 water systems with recorded EPA violations.

All ZIP Codes in Washington Parish

5 ZIP codes tracked in Washington Parish.

# ZIP Code City Safety Score Grade Violations Home Value
1 70426 Angie 16 (12 health) $125K
2 70427 Bogalusa 20 (15 health) $124K
3 70429 Bogalusa
4 70438 Franklinton 2 (2 health) $157K
5 70450 Mount Hermon

Recommended Buyer Guides for Washington Parish

Four sources - EPA, NSF, FEMA, CDC - drive the match.

Overview

Washington Parish in Louisiana covers 5 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.

3 of 3 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 17 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 Washington Parish?
Washington Parish is served by 7 public water systems that supply drinking water to residents across 5 ZIP codes.
What is the biggest environmental risk in Washington Parish?
The primary environmental risk factor in Washington Parish is sea_level. This contributes to an estimated additional annual cost of $4,434 per homeowner.
How old are homes in Washington Parish?
The median home build year in Washington Parish is 1982. 54.5% 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). Washington Parish, Louisiana Home Safety Profile. https://zipcheckup.com/county/louisiana/washington/
BibTeX
@misc{zipcheckup-county-louisiana-washington,
  author = {{ZipCheckup}},
  title  = {{Washington Parish, Louisiana Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/louisiana/washington/}
}

Page version: August 2026.

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