CITY REPORT IL

Knoxville, IL: 1 Violation - Home Safety Score unavailable

1 ZIP code · 3 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
3
Water Systems
1
ZIPs with Violations
Zone 1
Radon Risk (High)
$140K
Median Home Value
$2,400
Est. Remediation (1.7% of home value)

Key Facts for Knoxville Residents

  • Your city's water systems recorded 1 violation in the past 5 years.
  • Average lead level: 0.0088 mg/L.
  • Homes built before 1986: 83% - older plumbing may contain lead solder.
  • Estimated remediation: $2,400 per household.
  • CDC health risk index: 14.71 - above typical levels.

Knoxville's Water Providers

Structurally, Knoxville, IL's water supply is divided. Federal data identifies 3 water systems in the area, with 3 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.

Overview

We track home safety data for 1 ZIP code in Knoxville, Illinois (population ~3,906), covering 3 community water systems serving approximately 36,625 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. The available record reports no health-based violations for this measured scope.

Water Sources

Knoxville water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0088 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 1 (High Risk)

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

Top Contaminants

Contaminant Category Violations ZIPs Affected
Surface Water Treatment Rule Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
61448 1 0 Knoxville

All ZIP Codes in Knoxville

Data Sources

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

Knoxville Community Health Snapshot

10.6%
Asthma (US: 9.8%)
13.5%
Diabetes (US: 10.4%)
17.5%
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 10.6% ↑
Diabetes 13.5% ↑
Mental Health 17.5% ↑

Vertical line = national average. Above national · Below national

What's in Knoxville's Water?

Surface Water Treatment Rule 2 violations
Treatment Technique
Pathogens may not be adequately removed

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

Knoxville Infrastructure Age

1979
Median Build Year
83%
Built Before 1986
42%
Built Before 1970
Copper
Likely Pipe Material

With 83% 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

When a city's housing median build year is 1979, as in Knoxville, the implication for water quality research is straightforward: municipal-level data captures what leaves the treatment plant, but household plumbing from before 1986 determines what actually arrives at the tap. In cities where older housing predominates, that gap between system-level and household-level data is widest.

1979
Median Year Built
83%
Pre-1986 (Lead Paint Risk)
42%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (42%) 1970–1986 (41%) Post-1986 (17%)

Over half of homes in Knoxville 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.

How Remediation Costs Compare in Knoxville

Property equity in Knoxville sits at a moderate ratio to estimated remediation costs - a classification that reframes the household financial perspective from routine maintenance to deliberate budgeting, where most homeowners have a realistic path to addressing documented water and safety issues if they map the financial commitment against available resources before committing to scope.

Median Home Value
$139,700
Est. Remediation
$2,400
Remediation as % of home value 1.7%

Remediation costs are moderate relative to home values in Knoxville. The estimated $1,500–$3,800 range is manageable for most homeowners but still worth budgeting for. Home values are 24% below the Illinois average.

Knoxville: Lead Risk & Vulnerable Populations

83%
Homes Built Before 1986
0.0088
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.

Even where utility-side monitoring meets Lead and Copper Rule requirements, the 83% pre-rule share in Knoxville keeps interior-plumbing variation as a household-level question that aggregate data cannot resolve.

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 Knoxville have?
Knoxville water systems have a total of 1 EPA violation. Violations are tracked across 1 ZIP code.
Does Knoxville water have lead?
The average 90th-percentile lead level in Knoxville is 0.0088 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 Knoxville?
Knoxville is served by 3 public water systems across 1 ZIP code, serving approximately 3,906 people.
How much does it cost to fix water issues in Knoxville?
Estimated remediation costs in Knoxville average $2,400 per household, ranging from $1,500 to $3,800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesIllinois → Knoxville, IL

How to cite this page

APA ZipCheckup. (2026). Knoxville, IL: 1 Violation - Home Safety Score unavailable. https://zipcheckup.com/cities/il/knoxville/
BibTeX
@misc{zipcheckup-cities-il-knoxville,
  author = {{ZipCheckup}},
  title  = {{Knoxville, IL: 1 Violation - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/il/knoxville/}
}

Page version: August 2026.

Get safety alerts for Knoxville, Illinois

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Violations found - check filter options Free tool - no phone call required.