CITY REPORT MO 1 HEALTH VIOLATIONS

Hamilton, MO: 8 Violations - Home Safety Score unavailable

1 ZIP code · 5 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
5
Water Systems
1
ZIPs with Violations
Zone 2
Radon Risk (Moderate)
$172K
Median Home Value
$700
Est. Remediation (0.4% of home value)

Hamilton Water: The Quick Version

  • Your city's water systems recorded 8 violations in the past 5 years.
  • Average lead level: 0.0023 mg/L.
  • Homes built before 1986: 74% - older plumbing may contain lead solder.
  • Estimated remediation: $700 per household.
  • CDC health risk index: 14.98 - above typical levels.

Water Systems Serving Hamilton

Hamilton, MO draws its residential water from 3 separate providers among the 5 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.

Overview

We track home safety data for 1 ZIP code in Hamilton, Missouri (population ~3,265), covering 5 community water systems serving approximately 8,017 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. 1 health-based violation appear in the available health breakdown.

Water Sources

Hamilton water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0023 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 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Stage 2 DBP Rule Treatment Technique 8 1
Stage 1 DBP Rule Treatment Technique 4 1
Haloacetic Acids (HAA5) Disinfection Byproducts 2 1
Surface Water Treatment Rule Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
64644 8 1 Hamilton Public Water System

All ZIP Codes in Hamilton

  • 64644 - 8 violations ⚠

Data Sources

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

CDC Health Data for Hamilton

10.7%
Asthma (US: 9.8%)
13%
Diabetes (US: 10.4%)
17.9%
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 10.7% ↑
Diabetes 13% ↑
Mental Health 17.9% ↑

Vertical line = national average. Above national · Below national

Key Contaminants Detected in Hamilton

Stage 2 DBP Rule 8 violations
Treatment Technique
Disinfection byproduct exposure risk
Stage 1 DBP Rule 4 violations
Treatment Technique
Disinfection byproduct exposure risk
Haloacetic Acids (HAA5) 2 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.

How Old Is Hamilton's Housing Stock?

1978
Median Build Year
74%
Built Before 1986
37%
Built Before 1970
Copper
Likely Pipe Material

With 74% 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

Hamilton's housing stock is predominantly older, with a median build year of 1978 that reflects decades of construction before federal plumbing standards were tightened. The 1986 ban on lead solder and the pre-1970 era of lead service lines are both relevant benchmarks here - a significant share of the residential inventory predates one or both of those cutoffs, creating an elevated baseline for plumbing-related lead risk that aggregate water quality data may not fully reflect at the household level.

1978
Median Year Built
74%
Pre-1986 (Lead Paint Risk)
37%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (37%) 1970–1986 (37%) Post-1986 (26%)

Over half of homes in Hamilton 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.

Hamilton: Remediation Cost in Perspective

Low proportionality - that's the Hamilton picture when remediation costs are placed against typical home equity.

Median Home Value
$171,600
Est. Remediation
$700
Remediation as % of home value 0.4%

Remediation costs in Hamilton are relatively low compared to home values. The $150–$1,400 estimated range is a small fraction of median property value. Home values are 2% below the Missouri average.

Protecting Children from Lead in Hamilton

74%
Homes Built Before 1986
0.0023
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.

74% of Hamilton housing dates to the pre-rule era, alongside aggregate readings hovering at the federal action mark - household-level confirmation through a draw-test kit fits the local 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 Hamilton have?
Hamilton water systems have a total of 8 EPA violations, including 1 health-based violation. Violations are tracked across 1 ZIP code.
Does Hamilton water have lead?
The average 90th-percentile lead level in Hamilton is 0.0023 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 Hamilton?
Hamilton is served by 5 public water systems across 1 ZIP code, serving approximately 3,265 people.
How much does it cost to fix water issues in Hamilton?
Estimated remediation costs in Hamilton average $700 per household, ranging from $150 to $1,400. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesMissouri → Hamilton, MO

How to cite this page

APA ZipCheckup. (2026). Hamilton, MO: 8 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/mo/hamilton/
BibTeX
@misc{zipcheckup-cities-mo-hamilton,
  author = {{ZipCheckup}},
  title  = {{Hamilton, MO: 8 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/mo/hamilton/}
}

Page version: August 2026.

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