Calcasieu Parish, Louisiana
20 ZIP codes · Avg score 88/100 · Grade A · Updated
ZipCheckup grade for Calcasieu Parish: A.
No federal data flags a major home-safety concern for this ZIP.
Unlike many counties its size, Calcasieu Parish keeps violation rates low - all 20 ZIP codes score at or above the state average for tap water safety, with no systemic concerns flagged in the current data set.
How Calcasieu Parish Compares
How Calcasieu Parish Compares
Calcasieu Parish scores 4 points below the Louisiana state average (92/100) and 15 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: Calcasieu Parish, Louisiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.9 (asthma 10.2%, diabetes 14.2%)
Estimated additional annual cost per homeowner: $5,338, driven primarily by sea_level
46.3% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Calcasieu Parish water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 26 violations. Past 5 years: 67 total (67 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
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: $5,338
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
96,535 housing units in Calcasieu 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 Calcasieu Parish
Remediation costs are relatively manageable for most homeowners in Calcasieu 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 Calcasieu Parish residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Calcasieu Parish
8 community water systems serving Calcasieu Parish.
- B
- B
- B
- A
- B
- B
Show all 8 water systems
- B
- B
25 total water systems serve Calcasieu Parish.
Systems with the most violations in Calcasieu Parish
5 water systems with recorded EPA violations.
- B
- B
- B
- B
- A
All ZIP Codes in Calcasieu Parish
20 ZIP codes tracked in Calcasieu Parish.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 70601 | Lake Charles | 100 | A | 0 | $164K |
| 2 | 70611 | Lake Charles | 100 | A | 0 | $249K |
| 3 | 70668 | Vinton | 99 | A | 1 (1 health) | $142K |
| 4 | 70630 | Bell City | 96 | A | 8 (6 health) | $189K |
| 5 | 70605 | Lake Charles | 83 | B | 31 (15 health) | $294K |
| 6 | 70607 | Lake Charles | 83 | B | 49 (31 health) | $172K |
| 7 | 70615 | Lake Charles | 83 | B | 23 (11 health) | $129K |
| 8 | 70633 | Dequincy | 83 | B | 10 (8 health) | $195K |
| 9 | 70647 | Iowa | 83 | B | 32 (12 health) | $251K |
| 10 | 70663 | Sulphur | 83 | B | 16 (12 health) | $174K |
| 11 | 70665 | Sulphur | 83 | B | 9 (7 health) | $230K |
| 12 | 70669 | Westlake | 83 | B | 16 (12 health) | $161K |
| 13 | 70602 | Lake Charles | — | — | — | |
| 14 | 70606 | Lake Charles | — | — | — | |
| 15 | 70609 | Lake Charles | — | — | 0 | — |
| 16 | 70612 | Lake Charles | — | — | — | |
| 17 | 70616 | Lake Charles | — | — | — | |
| 18 | 70629 | Lake Charles | — | — | — | |
| 19 | 70646 | Hayes | — | — | $190K | |
| 20 | 70664 | Sulphur | — | — | — |
Recommended Buyer Guides for Calcasieu Parish
While many sites publish identical guide lists across every county they cover, the selection here changes by location - driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Calcasieu Parish, Louisiana
Overview
Calcasieu Parish in Louisiana covers 20 tracked ZIP records with an average Home Safety Score of A (88/100) across 12 scored records.
10 of 13 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 45 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.