CITY REPORT LA

Hahnville, LA Home Safety: Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
$218K
Median Home Value
$1,700
Est. Remediation (0.8% of home value)

Key Facts for Hahnville Residents

  • Average lead level: 0.002 mg/L.
  • Homes built before 1986: 46% - older plumbing may contain lead solder.
  • Estimated remediation: $1,700 per household.
  • CDC health risk index: 13.78 - above typical levels.

Hahnville's Water Providers

Most residential addresses in Hahnville, LA are served by a single water utility - the dominant system among the 1 provider tracked in federal data.

Overview

We track home safety data for 1 ZIP code in Hahnville, Louisiana (population ~4,475), covering 1 community water system serving approximately 52,879 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Water Sources

Hahnville water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0020 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Areas with No Violations

ZIP Code Safety Score System Population
70057 St Charles Parish Department of Waterworks 52,879

All ZIP Codes in Hahnville

Data Sources

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

Hahnville Community Health Snapshot

9.9%
Asthma (US: 9.8%)
13.2%
Diabetes (US: 10.4%)
18.1%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 9.9% ↑
Diabetes 13.2% ↑
Mental Health 18.1% ↑

Vertical line = national average. Above national · Below national

Hahnville Infrastructure Age

1982
Median Build Year
46%
Built Before 1986
11%
Built Before 1970
Copper
Likely Pipe Material

With 46% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Some cities skew heavily toward one construction era; Hahnville does not. The median build year of 1982 reflects a housing stock where older and newer homes share the market in meaningful proportions. That mixed profile means the city carries moderate aggregate plumbing-era risk - with older homes, particularly those built before 1986, representing the portion of the stock where lead-soldered joints may still be present.

1982
Median Year Built
46%
Pre-1986 (Lead Paint Risk)
11%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (11%) 1970–1986 (35%) Post-1986 (54%)

Most homes in Hahnville were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

How Remediation Costs Compare in Hahnville

Remediation costs in Hahnville are small relative to typical property values - the cost-to-value ratio here is favorable.

Median Home Value
$217,500
Est. Remediation
$1,700
Remediation as % of home value 0.8%

Remediation costs in Hahnville are relatively low compared to home values. The $1,100–$2,600 estimated range is a small fraction of median property value. Home values are 28% above the Louisiana average.

Hahnville: Lead Risk & Vulnerable Populations

46%
Homes Built Before 1986
0.002
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

If 46% of the Hahnville inventory comes from before the federal ban on lead-bearing solder - and if utility samples sit at or near 0.015 mg/L - the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Hahnville: NFIP Claim Records and Water-Quality Context

146
Total FEMA Flood Claims
$28,093
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Hahnville contains 146 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $28,093. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,700</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

Does Hahnville water have lead?
The average 90th-percentile lead level in Hahnville is 0.002 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How many water systems serve Hahnville?
Hahnville is served by 1 public water system across 1 ZIP code, serving approximately 4,475 people.
How much does it cost to fix water issues in Hahnville?
Estimated remediation costs in Hahnville average $1,700 per household, ranging from $1,100 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesLouisiana → Hahnville, LA

How to cite this page

APA ZipCheckup. (2026). Hahnville, LA Home Safety: Home Safety Score unavailable. https://zipcheckup.com/cities/la/hahnville/
BibTeX
@misc{zipcheckup-cities-la-hahnville,
  author = {{ZipCheckup}},
  title  = {{Hahnville, LA Home Safety: Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/la/hahnville/}
}

Page version: August 2026.

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