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Review government records associated with Wilmington, Illinois.
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Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Wilmington, IL from EPA SDWIS.
Wilmington
Active health-based drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 5,700 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Sep 2025.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Wilmington drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
City of Wilmington-Kankakee River
Reported: Nov 2026
Health-relevant causes: Mercury, Metals (other Than Mercury), Pathogens, Pesticides, Polychlorinated Biphenyls (pcbs)
Affected uses: Drinkingwater, Fishconsumption, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
No NPDES-permitted facility records with current violation flags surfaced for this city report.
Reviewed: active/open records as of Q4 2025
Data from EPA ECHO
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Will County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
EPA designations apply to a specific pollutant and federal air quality standard (NAAQS). EPA can issue a clean-data determination while a formal designation remains in effect.
Chicago: Ozone
NonattainmentSerious8-Hour Ozone (2015 Standard)
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
Chicago-Naperville
Ozone · 8-Hour Ozone (2008 Standard)
Classification: Serious
Original designation: Jul 2012
Current design value: 0.079 ppm (2023-2025)
1997 Primary Annual PM2.5 Designations
Chicago-Gary-Lake County
EPA revoked the 1997 primary annual PM2.5 standard in this redesignated area.
Original designation: Apr 2005
Open data source: EPA final primary annual revocation ruleOpen data source: EPA designation statusData from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Com Ed Training Center — Braidwood, Illinois
Annual mean: 0.043 Parts per million
Observation year: 2025
Annual mean: 8.1 Micrograms/cubic meter (LC)
Observation year: 2025
Pershing School — Joliet, Illinois
Annual mean: 9.1 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Ddp Specialty Electronics Material US - Wilmington Il
Reported: 2024
Reviewed: source query run Nov 2026
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO1 site with active cleanup or investigation status
Kankakee And Stewart Streets, Wilmington
Reported: Feb 2026
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Reviewed: reporting year 2024
No MSHA mine or extraction site records shown for this report.
Will County, IL
EPA Radon Zone Map (June 2024 release)
Will County is EPA Radon Zone 2 (moderate potential). EPA defines Zone 2 counties as having predicted average indoor screening levels between 2 pCi/L and 4 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain) with base flood elevation.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
EPA ECHO lists facilities linked to the Risk Management Program. Results include facilities with locations that can be matched. Records may be historical. Current operations, chemical inventories, and recent accident history are unverified.
Nuclear Regulatory Commission licensed facilities. The Emergency Planning Zone extends 10 miles for plume exposure and 50 miles for the ingestion pathway.
Reported: Mar 2026
This city report includes a facility within the 10-mile plume exposure Emergency Planning Zone.
1 reactor · Operated by Constellation Energy Generation, LLC
Reported: Mar 2026
This city report includes a facility within the 10-mile plume exposure Emergency Planning Zone.
1 reactor · Operated by Constellation Energy Generation, LLC
Reported: Mar 2026
This city report includes a facility within the 50-mile ingestion pathway Emergency Planning Zone.
1 reactor · Operated by Constellation Energy Generation, LLC
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
No records dated within the last 5 years surfaced for this city report.
Reviewed: last 5 years
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Will County, IllinoisPop. 696,757
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 6,225 | 7,549 | 7,972 |
| Poor or Fair Health | 13.3% | 14.4% | 14.2% |
| Poor Physical Health Days | 3.1 | 3.2 | 3.3 |
| Poor Mental Health Days | 4.2 | 4.2 | 4.8 |
| Adult Smoking | 13.3% | 12.6% | 15.0% |
| Adult Obesity | 33.8% | 34.3% | 34.0% |
| Air Pollution - Particulate Matter | 9.8 | 8.8 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 9.1% | 9.7% | 9.6% |
| Life Expectancy | 78.8 | 78.0 | 77.6 |
EPA testing found PFAS in water samples from Wilmington. Results dated Sep 9, 2025 include PFBA at 0.0057 micrograms per liter and PFPeA at 0.0045 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 17 violations for Wilmington, including 1 marked active.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Wilmington.
The monitoring station at Com Ed Training Center, Braidwood, Illinois recorded an annual average of 0.043 Parts per million for ozone in 2025.
The monitoring station at Com Ed Training Center, Braidwood, Illinois recorded an annual average of 8.1 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Pershing School, Joliet, Illinois recorded an annual average of 9.1 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Wilmington covers Will County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
No Superfund sites were returned for this city report.
This city report shows 1 brownfield site: Former Celotex Dump.
The county data for Wilmington reports a life expectancy of 78.8 years in Will County, Illinois.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Wilmington reports 6,225 years of life lost to deaths before age 75 per 100,000 residents in Will County, Illinois. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Wilmington lists fine-particle pollution (PM2.5) at 9.8 micrograms per cubic meter in Will County, Illinois.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
Federal pipeline records list an incident involving Mustang Pipe Line Partners near Wilmington on Aug 11, 2011. The reported release was crude oil.