COUNTY REPORT IL

Edwards County, Illinois

7 ZIP codes · Avg score 63/100 · Grade C · Updated 2026-06-03

Across Edwards County's 7 ZIP codes, water safety results are uneven — a portion of systems carry active or recent violations, while others meet standards without issues.

How Edwards County Compares

Edwards County63/100
Illinois avg61/100
National avg68/100

How Edwards County Compares

C
County Grade
63/100
Avg Safety Score
7
ZIP Codes
6
Water Systems

Edwards County scores 2 points above the Illinois state average (61/100) and 5 points below the national average (68/100).

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

C
County Grade
63
Avg Safety Score
7
ZIP Codes
Best ZIP: 62806 (83/100)
Lowest ZIP: 62815 (51/100)
$89K
Median Home Value
$614
Avg Remediation (69% of home value)

ZIP Code Risk Map

Water Quality Map: Edwards 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: 15.4 (asthma 10.8%, diabetes 14%)

Estimated additional annual cost per homeowner: $869, driven primarily by energy_code_gap

Infrastructure: 0.437% avg pipe failure probability, 71% of ZIPs at high risk

77.9% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.8% (national: 8.9%)
Diabetes 14% (national: 10.5%)
Obesity 40.2% (national: 32.4%)

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

Infrastructure Overview

1963
Median Build Year
77.9%
Pre-1978 Housing
44%
Pipe Failure Probability
71%
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: $869

Energy Code Gap $540/yr
Water / Lead $329/yr

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

Housing Age Distribution

3,883 housing units in Edwards County

Pre-1940 21%
1940–1959 27%
1960–1979 25%
1980–1999 14%
2000+ 13%

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 Edwards County

$89K
Median Home Value
$614
Est. Remediation Cost
0.7%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Edwards 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 Edwards County residents

Asthma 10.8% (US avg: 8.9%)
Diabetes 14% (US avg: 11%)
Obesity 40.2% (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 Edwards County ranked by EPA violation count.

# Water System Population Violations
1 West Salem 819 9
2 Ej Water Cooperative 29,720 9
3 Bone Gap 207 7
4 Grayville 1,613 4
5 Albion 2,839 1

6 total water systems serve Edwards County.

All ZIP Codes in Edwards County

7 ZIP codes tracked in Edwards County.

# ZIP Code City Safety Score Grade Violations Home Value
1 62806 Albion 83 B 1 $114K
2 62844 Grayville 75 B 4 $82K
3 62476 West Salem 72 B 1 $89K
4 62818 Browns 53 D 0 $89K
5 62833 Ellery 53 D 0
6 62843 Golden Gate 53 D 0
7 62815 Bone Gap 51 D 7 $81K

Recommended Buyer Guides for Edwards County

Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.

Overview

Edwards County in Illinois covers 7 ZIP codes with an average Home Safety Score of C (63/100).

4 of 7 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to Illinois water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Edwards County?
Edwards County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Edwards County?
Edwards County is served by 6 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Edwards County?
The primary environmental risk factor in Edwards County is energy_code_gap. This contributes to an estimated additional annual cost of $869 per homeowner.
How old are homes in Edwards County?
The median home build year in Edwards County is 1963. 77.9% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Edwards County compare to Illinois?
Edwards County has an average water safety score of 63/100, which is above the Illinois state average of 61/100.

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