CITY REPORT IL HEALTH VIOLATIONS: 1

South Beloit, IL: 1 Health Violation - Home Safety 65/100

1 ZIP code · 5 water systems · Updated

ZipCheckup grade for South Beloit: C.

A mixed picture - some signals here are worth your attention.

Available records for South Beloit give it a middle-tier grade in IL; water systems can differ, so check the one that serves your home.

How South Beloit Compares

South Beloit65/100
Illinois avg68/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
5
Water Systems
1
ZIPs Linked to Systems with Violations
C · 65
Avg Safety Score
Zone 1
County Radon Potential (High)
$172K
Median Home Value
$800
Est. Remediation (0.5% of home value)

South Beloit Water: The Quick Version

  • Your city's water systems recorded 6 violations since 2021.
  • Average of reported 90th-percentile lead results: 0.0069 mg/L.
  • Homes built before 1986: 50% - older plumbing may contain lead solder.
  • Estimated remediation: $800 per household.
  • Health risk index (ZipCheckup composite of CDC data): 14.43.

Water Systems Serving South Beloit

Among 5 systems linked to South Beloit, IL, the 3 biggest by population served appear below.

Overview

We track home safety data for 1 ZIP code in South Beloit, Illinois (population ~11,062), covering 5 community water systems serving approximately 52,198 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. 1 health-based violation appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for South Beloit: C (65/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

South Beloit water systems draw from: Groundwater.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0069 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

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
Nitrate Inorganic 2 1
Toxaphene Organic 2 1
Lead and Copper Rule Treatment Technique 2 1
Consumer Confidence Rule Reporting 2 1
Revised Total Coliform Rule Microbiological 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
61080 C 6 1 Il American-south Beloit

All ZIP Codes in South Beloit

  • 61080 [C] - 6 violations ⚠

Data Sources

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

CDC Health Data for South Beloit

10.6%
Asthma (US: 9.8%)
13.9%
Diabetes (US: 10.4%)
17.6%
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 10.6% ↑
Diabetes 13.9% ↑
Mental Health 17.6% ↑

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

Key Contaminants Detected in South Beloit

Nitrate 2 violations
Inorganic · EPA regulatory level for the contaminant named above: 10 mg/L
Blue baby syndrome in infants
Toxaphene 2 violations
Organic
Lead and Copper Rule 2 violations
Treatment Technique
Developmental delays in children, kidney damage

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

How Old Is South Beloit's Housing Stock?

1983
Median Build Year
50%
Built Before 1986
33%
Built Before 1970
Copper
Likely Pipe Material

With 50% 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 South Beloit, where the median build year is 1983.

1983
Median Year Built
50%
Pre-1986 (lead solder era; lead paint banned 1978)
33%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (33%) 1970–1986 (17%) Post-1986 (50%)

Over half of homes in South Beloit 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.

South Beloit: Remediation Cost in Perspective

Of the three cost-context tiers - low, moderate and elevated - South Beloit is in the low one.

Median Home Value
$172,300
Est. Remediation
$800
Remediation as % of home value 0.5%

Estimated remediation costs in South Beloit can be compared with local home values. The $450–$1,400 estimated range can be set against the median property value; actual costs vary by home. Home values are 6% below the Illinois average.

Protecting Children from Lead in South Beloit

50%
Homes Built Before 1986
0.0069
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

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 South Beloit

43
Total FEMA Flood Claims
$5,540
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for South Beloit contains 43 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $5,540. 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 $800 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.

What You Can Do in South Beloit

  1. Test your water at home. City-level data shows averages - your tap may differ. Check the certification, price and turnaround time of any water test kit or lab service.
  2. Install a certified water filter. For Nitrate, listed in the water-quality records for South Beloit: if it is a rule or reporting requirement rather than a contaminant, ask your utility what the record involved; for bacteria, follow any boil-water notice from your utility; for a specific chemical contaminant, check whether a filter is certified to reduce it. Not every contaminant has a consumer filter certification.
  3. Check your home's plumbing. With 50% of homes built before 1986, lead solder is a real possibility.

Deep Dive Reports

Detailed analysis for South Beloit, IL

Frequently Asked Questions

What does the Home Safety Score mean for South Beloit, IL?
South Beloit has an average Home Safety Score of 65/100 (Grade C) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. 6 violations appear in EPA records for water systems mapped to these ZIP codes. Check individual ZIP code reports for component details.
How many violations are on record for water systems serving South Beloit?
EPA records list 6 EPA violations, including 1 health-based violation for South Beloit water systems. These water-system violations are shown for 1 mapped ZIP code.
Does South Beloit water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of South Beloit is 0.0069 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How does South Beloit compare to Illinois average?
South Beloit has an average Home Safety Score of 65/100, which is below the Illinois state average of 68/100 for the same model series.
How many water systems serve South Beloit?
Our records map 5 water systems to 1 ZIP code in South Beloit. The related population figure in our data is approximately 11,062 people; it is not a count of people served citywide.
How much does it cost to fix water issues in South Beloit?
Estimated remediation cost per household in South Beloit: $800; modeled range $450 to $1,400. 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). South Beloit, IL: 1 Health Violation - Home Safety 65/100. https://zipcheckup.com/cities/il/south-beloit/
BibTeX 
@misc{zipcheckup-cities-il-south-beloit,
  author = {{ZipCheckup}},
  title  = {{South Beloit, IL: 1 Health Violation - Home Safety 65/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/il/south-beloit/}
}

Page version: October 2026.

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