CITY REPORT IL

Hamilton, IL: 1 Violation - Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
1
ZIPs Linked to Systems with Violations
Zone 1
County Radon Potential (High)
$118K
Median Home Value
$500
Est. Remediation (0.4% of home value)

Hamilton Water: The Quick Version

  • Water systems mapped to your city have 1 violation on record since 2021.
  • Homes built before 1986: 80% - older plumbing may contain lead solder.
  • Estimated remediation: $500 per household.
  • Health risk index (ZipCheckup composite of CDC data): 14.63.

Water Systems Serving Hamilton

Which water system serves a particular address in Hamilton, IL? The water bill or the utility can confirm it; the list here shows one system, and federal data link 1 in total.

  • Hamilton
    Serves ~2,753 people 1 violation

Overview

We track home safety data for 1 ZIP code in Hamilton, Illinois, covering 1 community water system serving approximately 3,439 people. 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

Hamilton water systems draw from: Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: reported as 0 mg/L (a reported 0 is not proof of no lead; check the source record for its reporting limit) (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

1 of 1 ZIP records with known zones is in EPA Radon Zone 1.

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
Toxaphene Organic 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
62341 — 1 0 Hamilton

All ZIP Codes in Hamilton

  • 62341 - 1 violation recorded for mapped water systems

Data Sources

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

CDC Health Data for Hamilton

10.3%
Asthma (US: 9.8%)
13.2%
Diabetes (US: 10.4%)
16.3%
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 10.3% ↑
Diabetes 13.2% ↑
Mental Health 16.3% ↑

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

Key Contaminants Detected in Hamilton

Toxaphene 2 violations
Organic

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

How Old Is Hamilton's Housing Stock?

1963
Median Build Year
80%
Built Before 1986
55%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 80% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.

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

Housing Age Profile

Lead can reach tap water from service lines, solder and brass fittings inside a building, which is why housing age draws attention in Hamilton, where the median build year is 1963.

1963
Median Year Built
80%
Pre-1986 (lead solder era; lead paint banned 1978)
55%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (55%) 1970–1986 (25%) Post-1986 (20%)

Over half of homes in Hamilton were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. 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

Because the median home value in Hamilton is large relative to the estimated cost of remediation, the ratio between them stays at or below 1%; that is a statement about two area-level numbers, not a quote for a particular house or a judgment about what an owner can pay.

Median Home Value
$118,200
Est. Remediation
$500
Remediation as % of home value 0.4%

Estimated remediation costs in Hamilton can be compared with local home values. The $300–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 36% below the Illinois average.

Protecting Children from Lead in Hamilton

80%
Homes Built Before 1986

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.

If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.

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

Historical Flood-Claim Evidence for Hamilton

12
Total FEMA Flood Claims
$18,924
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Hamilton contains 12 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $18,924. 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 $500 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 violations are on record for water systems serving Hamilton?
EPA records list 1 EPA violation for Hamilton water systems. These water-system violations are shown for 1 mapped ZIP code.
How many water systems serve Hamilton?
Our records map 1 water system to 1 ZIP code in Hamilton. The related population figure in our data is approximately 3,439 people; it is not a count of people served citywide.
How much does it cost to fix water issues in Hamilton?
Estimated remediation cost per household in Hamilton: $500; modeled range $300 to $800. 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). Hamilton, IL: 1 Violation - Home Safety Score unavailable. https://zipcheckup.com/cities/il/hamilton/
BibTeX
@misc{zipcheckup-cities-il-hamilton,
  author = {{ZipCheckup}},
  title  = {{Hamilton, IL: 1 Violation - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/il/hamilton/}
}

Page version: October 2026.

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