CITY REPORT MS

Walnut, MS: 8 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)
$113K
Median Home Value

Key Facts for Walnut Residents

  • Your city's water systems recorded 8 violations in the past 5 years.
  • Average lead level: 0.0025 mg/L.
  • Homes built before 1986: 49% - older plumbing may contain lead solder.
  • CDC health risk index: 15.73 - above typical levels.

Walnut's Water Providers

Multiple utilities divide Walnut, MS's water service - 3 leading providers among 4 on the federal register.

Overview

We track home safety data for 1 ZIP code in Walnut, Mississippi (population ~3,488), covering 4 community water systems serving approximately 7,196 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. The available record reports no health-based violations for this measured scope.

Water Sources

Walnut water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0025 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 8 1
Haloacetic Acids (HAA5) Disinfection Byproducts 8 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
38683 8 0 Chalybeate Water Assn

All ZIP Codes in Walnut

Data Sources

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

Walnut Community Health Snapshot

9.8%
Asthma (US: 9.8%)
15.3%
Diabetes (US: 10.4%)
18.2%
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 9.8% ↓
Diabetes 15.3% ↑
Mental Health 18.2% ↑

Vertical line = national average. Above national · Below national

What's in Walnut's Water?

Total Trihalomethanes (TTHM) 8 violations
Disinfection Byproducts · EPA limit: 0.08 mg/L
Increased cancer risk with long-term exposure
Haloacetic Acids (HAA5) 8 violations
Disinfection Byproducts · EPA limit: 0.06 mg/L
Increased cancer risk with long-term exposure

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

Walnut Infrastructure Age

1983
Median Build Year
49%
Built Before 1986
18%
Built Before 1970
Copper
Likely Pipe Material

With 49% 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

When trying to understand water quality at the household level, the year a home was built often matters more than any city-wide water report. That's because the 1986 federal ban on lead solder in plumbing, and the earlier phase-out of lead pipes before 1970, created sharp discontinuities in residential plumbing risk by construction era. Walnut's median build year of 1983 puts the city in the transition zone: a substantial share of the housing stock postdates the solder ban, but a comparable fraction predates it - with the oldest homes carrying both the solder risk and the pipe risk simultaneously. Whether any individual household sits on the safer or riskier side of these thresholds is the key question, and it's one the city-wide median alone can't answer.

1983
Median Year Built
49%
Pre-1986 (Lead Paint Risk)
18%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (18%) 1970–1986 (31%) Post-1986 (51%)

Most homes in Walnut 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.

Walnut: Lead Risk & Vulnerable Populations

49%
Homes Built Before 1986
0.0025
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.

Confirming what arrives at a specific faucet is something utility-side averages cannot do. With 49% of Walnut stock built before the lead-solder ban and citywide monitoring at or beyond the regulatory mark, a tap-level kit fits the standard diligence picture.

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

Frequently Asked Questions

How many water violations does Walnut have?
Walnut water systems have a total of 8 EPA violations. Violations are tracked across 1 ZIP code.
Does Walnut water have lead?
The average 90th-percentile lead level in Walnut is 0.0025 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 Walnut?
Walnut is served by 4 public water systems across 1 ZIP code, serving approximately 3,488 people.
HomeCitiesMississippi → Walnut, MS

How to cite this page

APA ZipCheckup. (2026). Walnut, MS: 8 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/ms/walnut/
BibTeX
@misc{zipcheckup-cities-ms-walnut,
  author = {{ZipCheckup}},
  title  = {{Walnut, MS: 8 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ms/walnut/}
}

Page version: August 2026.

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