COUNTY REPORT IL

Wabash County, Illinois

5 ZIP codes · Avg score 77/100 · Grade B · Updated 2026-06-03

Across all 5 ZIP codes in Wabash County, tap water consistently meets or exceeds federal safety standards.

How Wabash County Compares

Wabash County77/100
Illinois avg61/100
National avg68/100

How Wabash County Compares

B
County Grade
77/100
Avg Safety Score
5
ZIP Codes
5
Water Systems

Wabash County scores 16 points above the Illinois state average (61/100) and 9 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

B
County Grade
77
Avg Safety Score
5
ZIP Codes
Best ZIP: 62855 (83/100)
Lowest ZIP: 62852 (72/100)
$81K
Median Home Value
$820
Avg Remediation (101% of home value)

ZIP Code Risk Map

Water Quality Map: Wabash County, Illinois

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 14.8 (asthma 10.6%, diabetes 13.3%)

Estimated additional annual cost per homeowner: $852, driven primarily by energy_code_gap

Infrastructure: 0.44% avg pipe failure probability, 50% of ZIPs at high risk

73% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.6% (national: 8.9%)
Diabetes 13.3% (national: 10.5%)
Obesity 39.8% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1970
Median Build Year
73%
Pre-1978 Housing
44%
Pipe Failure Probability
50%
ZIPs at High Infra Risk
High
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $852

Energy Code Gap $432/yr
Water / Lead $220/yr
Flood $120/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

5,344 housing units in Wabash County

Pre-1940 26%
1940–1959 21%
1960–1979 24%
1980–1999 21%
2000+ 8%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Wabash County

$81K
Median Home Value
$820
Est. Remediation Cost
1.0%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Wabash County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Wabash County residents

Asthma 10.6% (US avg: 8.9%)
Diabetes 13.3% (US avg: 11%)
Obesity 39.8% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Wabash County ranked by EPA violation count.

# Water System Population Violations
1 Allendale 458 3
2 Mount Carmel 7,015 3
3 Bellmont 297 1
4 Keensburg 234 0
5 Rural Wabash County Water District 1,877 0

All ZIP Codes in Wabash County

5 ZIP codes tracked in Wabash County.

# ZIP Code City Safety Score Grade Violations Home Value
1 62855 Lancaster 83 B 0
2 62410 Allendale 82 B 3 $115K
3 62863 Mount Carmel 77 B 3 (1 health) $104K
4 62811 Bellmont 72 B 1 $46K
5 62852 Keensburg 72 B 0 $58K

Recommended Buyer Guides for Wabash County

Retailer arrangements don't shape what appears here — the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.

Overview

Wabash County in Illinois covers 5 ZIP codes with an average Home Safety Score of B (77/100).

3 of 5 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.

← Back to Illinois water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Wabash County?
Wabash County receives a grade of B, indicating generally safe tap water across its 5 ZIP codes.
How many water systems serve Wabash County?
Wabash County is served by 5 public water systems that supply drinking water to residents across 5 ZIP codes.
What is the biggest environmental risk in Wabash County?
The primary environmental risk factor in Wabash County is energy_code_gap. This contributes to an estimated additional annual cost of $852 per homeowner.
How old are homes in Wabash County?
The median home build year in Wabash County is 1970. 73% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Wabash County compare to Illinois?
Wabash County has an average water safety score of 77/100, which is above the Illinois state average of 61/100.

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