Ascension Parish, Louisiana
11 ZIP codes · Avg score 92/100 · Grade A
ZipCheckup grade for Ascension Parish: A.
Checked records flag no major concern; missing data is unknown.
Ascension Parish: A or B, 11 ZIP codes tracked.
How Ascension Parish Compares
How Ascension Parish Compares
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
ZIP Code Risk Map
Water Quality Map: Ascension Parish, Louisiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.1 (asthma 9.7%, diabetes 12.2%)
Modeled additional annual cost estimate per homeowner: $4,908, largest modeled factor: Sea Level
22% of homes built before 1980 (lead paint was banned for residential use in 1978)
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 DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $4,908
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
50,907 housing units in Ascension 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 Ascension Parish
Modeled remediation costs in Ascension Parish can be compared with the median property value; actual costs vary by property.
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 Ascension Parish residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Ascension Parish ZIP codes
8 community water systems mapped to Ascension Parish ZIP codes; EPA may list more systems serving the parish.
- B
- A
- B
- B
- A
- A
Show all 8 water systems
- A
- A
13 water systems mapped to Ascension Parish ZIP codes in our data; EPA may list more systems serving the parish.
Systems with the most violations in Ascension Parish
5 water systems with violations in EPA records.
- B
- A
- B
- A
- B
All ZIP Codes in Ascension Parish
11 ZIP codes tracked in Ascension Parish.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 70725 | Darrow | 100 | A | 1 | — |
| 2 | 70734 | Geismar | 98 | A | 4 (2 health) | $306K |
| 3 | 70774 | Saint Amant | 98 | A | 5 (1 health) | $244K |
| 4 | 70778 | Sorrento | 98 | A | 5 (1 health) | $248K |
| 5 | 70346 | Donaldsonville | 83 | B | 1 (1 health) | $187K |
| 6 | 70737 | Gonzales | 83 | B | 51 (17 health) | $253K |
| 7 | 70769 | Prairieville | 83 | B | 22 (8 health) | $295K |
| 8 | 70707 | Gonzales | — | — | — | |
| 9 | 70718 | Brittany | — | — | — | |
| 10 | 70728 | Duplessis | — | — | — | |
| 11 | 70738 | Burnside | — | — | — |
Recommended Buyer Guides for Ascension Parish
Selection follows a fixed set of rules applied to local records: signals such as PFAS detections, lead action-level exceedances on record, a large share of pre-1978 housing, EPA Radon Zone 1, or a top flood or wildfire risk each add a related guide, and when none applies, general water testing and filtration guides are shown instead.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Ascension Parish, Louisiana
Overview
Ascension Parish in Louisiana covers 11 tracked ZIP records with an average Home Safety Score of A (92/100) across 7 scored records.
7 of 7 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 21 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.