CITY REPORT LA HEALTH VIOLATIONS: 2

Denham Springs, LA: 2 Health Violations - Home Safety 98/100

3 ZIP codes · 6 water systems · Updated

ZipCheckup grade for Denham Springs: A.

Checked records flag no major concern; missing data is unknown.

In ZipCheckup's scoring, Denham Springs, LA lands in the A-B grade tier.

How Denham Springs Compares

Denham Springs98/100
Louisiana avg92/100
National avg73/100

Data: EPA SDWIS

3
ZIP Codes
6
Water Systems
2
ZIPs Linked to Systems with Violations
A · 98
Avg Safety Score
Zone 3
County Radon Potential (Low)
$238K
Median Home Value
$300
Est. Remediation (0.1% of home value)

What You Should Know About Denham Springs Water

  • Your city's water systems recorded 7 violations since 2021.
  • Average of reported 90th-percentile lead results: 0.0025 mg/L.
  • Homes built before 1986: 25% - older plumbing may contain lead solder.
  • Estimated remediation: $300 per household.
  • Health risk index (ZipCheckup composite of CDC data): 14.1.

Who Supplies Your Water in Denham Springs

Sorted by reported population served, the top 3 of 6 public water systems mapped to Denham Springs, LA appear below, each with its own federal compliance record.

Overview

We track home safety data for 3 ZIP codes in Denham Springs, Louisiana (population ~84,586), covering 6 community water systems serving approximately 727,788 people region-wide. The EPA snapshots used for this build directly map water systems to 2 of 3 ZIP codes.

2 of 2 ZIP codes with a reported violation count in the available EPA record (100%) have recorded EPA violations. 2 health-based violations appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Denham Springs: A (98/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Denham Springs water systems draw from: Groundwater.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0025 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 2 ZIP codes with known status exceed the EPA lead action level

Radon Risk

3 of 3 ZIP records with known zones are in EPA Radon Zone 3.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Lead and Copper Rule Treatment Technique 8 2
Lead and Copper Rule Revisions Treatment Technique 4 1
Consumer Confidence Rule Reporting 3 2

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
70726 A 7 2 City of Denham Springs Water System
70706 A 3 0 Ward Ii Water District

All ZIP Codes in Denham Springs

Data Sources

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

Health Outcomes in Denham Springs

9.9%
Asthma (US: 9.8%)
12.7%
Diabetes (US: 10.4%)
19.6%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 9.9% ↑
Diabetes 12.7% ↑
Mental Health 19.6% ↑

Vertical line = national average. ■ Above national · ■ Below national

Top Contaminants in Denham Springs Water

Lead and Copper Rule 8 violations
Treatment Technique
Developmental delays in children, kidney damage
Lead and Copper Rule Revisions 4 violations
Treatment Technique
Consumer Confidence Rule 3 violations
Reporting

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Housing & Infrastructure in Denham Springs

1999
Median Build Year
25%
Built Before 1986
9%
Built Before 1970
Copper
Likely Pipe Material

Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.

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

Housing Age Profile

Construction dates in Denham Springs center on a median of 1999, and the Census figures behind it describe when homes were built, not what materials they contain.

1999
Median Year Built
25%
Pre-1986 (lead solder era; lead paint banned 1978)
9%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (9%) 1970–1986 (16%) Post-1986 (75%)

Most homes in Denham Springs were built after 1986; lead exposure at a tap still depends on its service line and plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

Cost Context: What Remediation Means for Denham Springs Homeowners

Compared with typical property prices, the remediation estimate for Denham Springs is small in percentage terms - at or under one percent.

Median Home Value
$237,900
Est. Remediation
$300
Remediation as % of home value 0.1%

Estimated remediation costs in Denham Springs can be compared with local home values. The $150–$600 estimated range can be set against the median property value; actual costs vary by home. Home values are 40% above the Louisiana average.

Lead Exposure Risk for Children in Denham Springs

25%
Homes Built Before 1986
0.0025
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Roughly 25% of homes in Denham Springs were built before 1986, when federal law restricted lead in new plumbing.

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

Historical NFIP Claim Context in Denham Springs

8,035
Total FEMA Flood Claims
$80,973
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Denham Springs contains 8,035 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $80,973. Among ZIP codes with claim records, 100% 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 $300 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.

Deep Dive Reports

Detailed analysis for Denham Springs, LA

Frequently Asked Questions

What does the Home Safety Score mean for Denham Springs, LA?
Denham Springs has an average Home Safety Score of 98/100 (Grade A) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. 7 violations appear in EPA records for water systems mapped to these ZIP codes. Check individual ZIP code reports for component details.
How many violations are on record for water systems serving Denham Springs?
EPA records list 7 EPA violations, including 2 health-based violations for Denham Springs water systems. These water-system violations are shown for 3 mapped ZIP codes.
Does Denham Springs water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Denham Springs is 0.0025 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How does Denham Springs compare to Louisiana average?
Denham Springs has an average Home Safety Score of 98/100, which is at or above the Louisiana state average of 92/100 for the same model series.
How many water systems serve Denham Springs?
Our records map 6 water systems to 3 ZIP codes in Denham Springs. The related population figure in our data is approximately 84,586 people; it is not a count of people served citywide.
How much does it cost to fix water issues in Denham Springs?
Estimated remediation cost per household in Denham Springs: $300; modeled range $150 to $600. Estimated costs may include filtration, pipe replacement, radon mitigation, or flood protection where applicable.
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How to cite this page

APA ZipCheckup. (2026). Denham Springs, LA: 2 Health Violations - Home Safety 98/100. https://zipcheckup.com/cities/la/denham-springs/
BibTeX 
@misc{zipcheckup-cities-la-denham-springs,
  author = {{ZipCheckup}},
  title  = {{Denham Springs, LA: 2 Health Violations - Home Safety 98/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/la/denham-springs/}
}

Page version: October 2026.

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