CITY REPORT LA 19 HEALTH VIOLATIONS

Mamou, LA: 26 Violations - Home Safety Score unavailable

1 ZIP code · 4 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
4
Water Systems
1
ZIPs with Violations
Zone 3
Radon Risk (Low)
$93K
Median Home Value
$2,400
Est. Remediation (2.6% of home value)

What You Should Know About Mamou Water

  • Your city's water systems recorded 26 violations in the past 5 years.
  • Average lead level: 0.007 mg/L.
  • Homes built before 1986: 58% - older plumbing may contain lead solder.
  • Estimated remediation: $2,400 per household.
  • CDC health risk index: 16.84 - above typical levels.

Who Supplies Your Water in Mamou

In Mamou, LA, residential water supply is distributed across multiple utilities rather than concentrated in one. The 3 leading providers out of 4 tracked systems each control their own infrastructure, file separate EPA compliance reports, and set independent rate schedules.

Overview

We track home safety data for 1 ZIP code in Mamou, Louisiana (population ~5,028), covering 4 community water systems serving approximately 16,660 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 19 health-based violations appear in the available health breakdown.

Water Sources

Mamou water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0070 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 3 (Low Risk)

Top Contaminants

Contaminant Category Violations ZIPs Affected
Total Trihalomethanes (TTHM) Disinfection Byproducts 14 1
Haloacetic Acids (HAA5) Disinfection Byproducts 12 1
Contaminant 0700 Other 12 1
Surface Water Treatment Rule Treatment Technique 6 1
Lead and Copper Rule Treatment Technique 6 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
70554 26 19 Town of Mamou Water System

All ZIP Codes in Mamou

  • 70554 - 26 violations ⚠

Data Sources

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

Health Outcomes in Mamou

10.9%
Asthma (US: 9.8%)
16.8%
Diabetes (US: 10.4%)
21.3%
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 10.9% ↑
Diabetes 16.8% ↑
Mental Health 21.3% ↑

Vertical line = national average. Above national · Below national

Top Contaminants in Mamou Water

Total Trihalomethanes (TTHM) 14 violations
Disinfection Byproducts · EPA limit: 0.08 mg/L
Increased cancer risk with long-term exposure
Haloacetic Acids (HAA5) 12 violations
Disinfection Byproducts · EPA limit: 0.06 mg/L
Increased cancer risk with long-term exposure
Contaminant 0700 12 violations
Other

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

Housing & Infrastructure in Mamou

1972
Median Build Year
58%
Built Before 1986
24%
Built Before 1970
Copper
Likely Pipe Material

With 58% 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

Reading the housing age data for Mamou - median build year 1972 - the overriding implication is that the plumbing materials inside a typical home here reflect pre-1986 construction standards. In practical terms, that means lead-soldered copper joints are common across much of the housing stock. Where those materials are present, water can leach lead as it moves through joints - a pathway that corrosion control treatment under federal rules is designed to reduce, though it cannot eliminate lead risk where the plumbing materials themselves contain lead.

1972
Median Year Built
58%
Pre-1986 (Lead Paint Risk)
24%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (24%) 1970–1986 (34%) Post-1986 (42%)

Over half of homes in Mamou were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Cost Context: What Remediation Means for Mamou Homeowners

Remediation costs in Mamou represent a substantial share of typical property values - the equity impact here is significant, and careful financial planning is essential rather than optional for most homeowners.

Median Home Value
$93,000
Est. Remediation
$2,400
Remediation as % of home value 2.6%

At 2.6% of home value, remediation costs in Mamou represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $1,500–$4,000. Home values here are 45% below the Louisiana average.

Lead Exposure Risk for Children in Mamou

58%
Homes Built Before 1986
0.007
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.

Pulling a tap sample fills the gap that utility data cannot close, particularly here where 58% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in Mamou.

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

Historical NFIP Claim Context in Mamou

79
Total FEMA Flood Claims
$28,476
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Mamou contains 79 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $28,476. 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 <strong>$2,400</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

How many water violations does Mamou have?
Mamou water systems have a total of 26 EPA violations, including 19 health-based violations. Violations are tracked across 1 ZIP code.
Does Mamou water have lead?
The average 90th-percentile lead level in Mamou is 0.007 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 Mamou?
Mamou is served by 4 public water systems across 1 ZIP code, serving approximately 5,028 people.
How much does it cost to fix water issues in Mamou?
Estimated remediation costs in Mamou average $2,400 per household, ranging from $1,500 to $4,000. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesLouisiana → Mamou, LA

How to cite this page

APA ZipCheckup. (2026). Mamou, LA: 26 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/la/mamou/
BibTeX
@misc{zipcheckup-cities-la-mamou,
  author = {{ZipCheckup}},
  title  = {{Mamou, LA: 26 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/la/mamou/}
}

Page version: August 2026.

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