COUNTY REPORT IL

Fulton County, Illinois

19 ZIP codes · Avg score 56/100 · Grade C · Updated 2026-06-03

Water systems across Fulton County's 19 ZIP codes produce average compliance results overall — pockets with documented violations exist, and the variation between areas makes ZIP-level lookup the most useful tool for residents here.

How Fulton County Compares

Fulton County56/100
Illinois avg61/100
National avg68/100

How Fulton County Compares

C
County Grade
56/100
Avg Safety Score
19
ZIP Codes
19
Water Systems

Fulton County scores 5 points below the Illinois state average (61/100) and 12 points below the national average (68/100).

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

C
County Grade
56
Avg Safety Score
19
ZIP Codes
Best ZIP: 61415 (70/100)
Lowest ZIP: 61484 (13/100)
$103K
Median Home Value
$2,134
Avg Remediation (208% of home value)

ZIP Code Risk Map

Water Quality Map: Fulton 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: 14.7 (asthma 10.5%, diabetes 13%)

Estimated additional annual cost per homeowner: $1,224, driven primarily by energy_code_gap

Infrastructure: 0.486% avg pipe failure probability, 89% of ZIPs at high risk

83.5% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

→ Stable trend

EPA violation counts by year across Fulton County water systems. Health-based shown in red, total in blue.

2021
6 (6 health)
2022
3 (3 health)
2024
4 (4 health)
2025
6 (6 health)

Peak year: 2021 with 6 violations. Past 5 years: 19 total (19 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.5% (national: 8.9%)
Diabetes 13% (national: 10.5%)
Obesity 39.9% (national: 32.4%)

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

Infrastructure Overview

1958
Median Build Year
83.5%
Pre-1978 Housing
49%
Pipe Failure Probability
89%
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: $1,224

Energy Code Gap $568/yr
Water / Lead $382/yr
Flood $274/yr

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

Housing Age Distribution

16,237 housing units in Fulton County

Pre-1940 30%
1940–1959 21%
1960–1979 29%
1980–1999 12%
2000+ 9%

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 Fulton County

$103K
Median Home Value
$2,134
Est. Remediation Cost
2.1%
of Home Value
Remediation as % of home value moderate burden

Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.

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 Fulton County residents

Asthma 10.5% (US avg: 8.9%)
Diabetes 13% (US avg: 11%)
Obesity 39.9% (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 Fulton County ranked by EPA violation count.

# Water System Population Violations
1 Vermont 738 15
2 Bryant 267 10
3 Fairview 588 8
4 Cuba 1,184 7
5 Wee-ma-tuk Water District 863 7

19 total water systems serve Fulton County.

All ZIP Codes in Fulton County

19 ZIP codes tracked in Fulton County.

# ZIP Code City Safety Score Grade Violations Home Value
1 61415 Avon 70 B 1 $103K
2 61477 Smithfield 70 B 0 $109K
3 61531 Farmington 67 C 3 $113K
4 61459 Marietta 66 C 0 $80K
5 61501 Astoria 64 C 2 $68K
6 61544 London Mills 64 C 2 $96K
7 61519 Bryant 63 C 3 $113K
8 61520 Canton 61 C 5 $116K
9 61542 Lewistown 61 C 1 (1 health) $115K
10 61427 Cuba 60 C 7 $106K
11 61482 Table Grove 60 C 7 (5 health) $74K
12 61441 Ipava 59 C 0 $103K
13 61432 Fairview 55 C 1 $90K
14 61553 Norris 55 C 0 $69K
15 61563 Saint David 53 D 0 $60K
16 61431 Ellisville 40 D 0
17 61433 Fiatt 40 D 0
18 61524 Dunfermline 40 D 0 $117K
19 61484 Vermont 13 F 15 (10 health) $60K

Recommended Buyer Guides for Fulton County

Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.

Overview

Fulton County in Illinois covers 19 ZIP codes with an average Home Safety Score of C (56/100).

11 of 19 ZIP codes have recorded EPA violations. 16 health-based violations have been documented.

← Back to Illinois water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Fulton County?
Fulton 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 Fulton County?
Fulton County is served by 19 public water systems that supply drinking water to residents across 19 ZIP codes.
What is the biggest environmental risk in Fulton County?
The primary environmental risk factor in Fulton County is energy_code_gap. This contributes to an estimated additional annual cost of $1,224 per homeowner.
How old are homes in Fulton County?
The median home build year in Fulton County is 1958. 83.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Fulton County compare to Illinois?
Fulton County has an average water safety score of 56/100, which is below the Illinois state average of 61/100.

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