CITY REPORT IL

Stockton, IL: 5 Violations - Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
1
ZIPs with Violations
Zone 1
Radon Risk (High)
$115K
Median Home Value
$1,200
Est. Remediation (1.0% of home value)

What You Should Know About Stockton Water

  • Your city's water systems recorded 5 violations in the past 5 years.
  • Homes built before 1986: 78% - older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 14.4 - above typical levels.

Who Supplies Your Water in Stockton

Consolidated water delivery characterizes Stockton, IL: among 1 system in federal records, one utility holds the dominant service position - carrying the rate-setting authority, the infrastructure obligations, and the EPA reporting burden for most residential addresses.

  • Warren
    Serves ~1,323 people 5 violations

Overview

We track home safety data for 1 ZIP code in Stockton, Illinois, covering 1 community water system serving approximately 2,946 people. 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

Stockton water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 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 6 1
Lead and Copper Rule Treatment Technique 2 1
Revised Total Coliform Rule Microbiological 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
61085 5 0 Warren

All ZIP Codes in Stockton

Data Sources

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

Health Outcomes in Stockton

9.9%
Asthma (US: 9.8%)
13.2%
Diabetes (US: 10.4%)
14.8%
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 9.9% ↑
Diabetes 13.2% ↑
Mental Health 14.8% ↓

Vertical line = national average. Above national · Below national

Top Contaminants in Stockton Water

Surface Water Treatment Rule 6 violations
Treatment Technique
Pathogens may not be adequately removed
Lead and Copper Rule 2 violations
Treatment Technique
Developmental delays in children, kidney damage
Revised Total Coliform Rule 2 violations
Microbiological
Indicates possible bacterial contamination

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

Housing & Infrastructure in Stockton

1952
Median Build Year
78%
Built Before 1986
52%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 78% 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

Two dates define the high-risk tiers of residential plumbing from a lead standpoint: 1970, before which lead pipes were commonly installed for service connections, and 1986, before which lead solder was standard in copper plumbing. A median build year of 1952 places Stockton's housing distribution well within that older risk zone. The bar chart above breaks down how much of the stock falls into each era - and the pre-1986 share alone represents more than half the residential inventory, making plumbing-era risk a defining characteristic of the local water safety picture.

1952
Median Year Built
78%
Pre-1986 (Lead Paint Risk)
52%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (52%) 1970–1986 (26%) Post-1986 (22%)

Over half of homes in Stockton 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.

Cost Context: What Remediation Means for Stockton Homeowners

Although the Stockton remediation share is moderate, it remains reachable for most homeowners who plan for the expense in advance.

Median Home Value
$115,400
Est. Remediation
$1,200
Remediation as % of home value 1.0%

Remediation costs are moderate relative to home values in Stockton. The estimated $800–$1,500 range is manageable for most homeowners but still worth budgeting for. Home values are 37% below the Illinois average.

Lead Exposure Risk for Children in Stockton

78%
Homes Built Before 1986

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.

Wherever 78% of local housing was built before solder rules changed - as is the case in Stockton - a faucet-level sample closes the gap that aggregate utility data cannot.

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 Stockton have?
Stockton water systems have a total of 5 EPA violations. Violations are tracked across 1 ZIP code.
How many water systems serve Stockton?
Stockton is served by 1 public water system across 1 ZIP code, serving approximately 2,946 people.
How much does it cost to fix water issues in Stockton?
Estimated remediation costs in Stockton average $1,200 per household, ranging from $800 to $1,500. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesIllinois → Stockton, IL

How to cite this page

APA ZipCheckup. (2026). Stockton, IL: 5 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/il/stockton/
BibTeX
@misc{zipcheckup-cities-il-stockton,
  author = {{ZipCheckup}},
  title  = {{Stockton, IL: 5 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/il/stockton/}
}

Page version: August 2026.

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