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States / Illinois

Will County, IL

The federal environmental record for Will County (population 700,728): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.

3

Superfund NPL sites

25

federal cleanup sites

9

PFAS-detecting water systems

53

TRI facilities

123

open tank releases

Superfund NPL sites

SiteCityStatusListed
Amoco Chemicals (Joliet Landfill)Jolieton the NPL02/21/1990
Joliet Army Ammunition Plant (Load-Assembly-Packing Area)Jolieton the NPL03/13/1989
Joliet Army Ammunition Plant (Manufacturing Area)Jolieton the NPL07/22/1987

Drinking water: PFAS testing

Public water systems serving Will with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.

SystemHighest resultsReading
CHANNAHON

IL1970200

PFBS: 17 ng/L

PFPeA: 13 ng/L

PFBA: 9.9 ng/L

above final limit
CREST HILL

IL1970250

PFBS: 52.1 ng/L

PFPeA: 32.2 ng/L

PFBA: 27.2 ng/L

above final limit
LOCKPORT

IL1970500

PFHxS: 9.2 ng/L

PFPeA: 8.2 ng/L

PFHxA: 4.3 ng/L

detected
ROMEOVILLE

IL1970900

PFPeA: 21.2 ng/L

PFHxA: 11.8 ng/L

PFBA: 8.9 ng/L

detected
WILMINGTON

IL1971100

PFBA: 5.7 ng/L

PFPeA: 4.5 ng/L

PFHxA: 4 ng/L

detected
AQUA ILLINOIS-UNIVERSITY PARK

IL1975030

PFBS: 5.3 ng/L

PFHxA: 4.3 ng/L

detected
SHOREWOOD, IL

IL1975080

PFPeA: 3.2 ng/L

detected
CRYSTAL LAWNS ADDITION IMPROVEMENT ASSOC

IL1975480

PFBS: 3.7 ng/L

PFPeA: 3.2 ng/L

detected
EISENHOWER ACADEMY

IL3004572

PFBA: 8.2 ng/L

detected

On a system with detections? Testing and treatment options

Facilities reporting toxic releases (2024)

53 facilities in Will filed TRI reports for 2024, totalling 2.5M lb released. The 25 largest by volume:

FacilityCityTop chemicalsTotal released
EXXONMOBIL OIL CORP JOLIET REFINERYCHANNAHONNitrate compounds (water dissociable; reportable only when in aqueous solution), Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)1.0M lb
STEPAN CO MILLSDALE ROADELWOODNitrate compounds (water dissociable; reportable only when in aqueous solution), Phthalic anhydride518k lb
LARAWAY RECYCLING & DISPOSAL FACILITYJOLIETLead, Barium287k lb
SOUTH HOLLAND METAL FINISHINGMONEENitrate compounds (water dissociable; reportable only when in aqueous solution), Zinc compounds226k lb
CITGO PETROLEUM CORP LEMONT REFINERYLEMONTHydrogen sulfide, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)181k lb
INEOS JOLIET LLCCHANNAHONCobalt And Cobalt Compounds, Manganese And Manganese Compounds165k lb
INEOS STYROLUTION AMERICA LLCCHANNAHONStyrene, Ethylbenzene55k lb
ECOLAB INC.JOLIETNonylphenol Ethoxylates, Certain glycol ethers17k lb
NANOPHASE TECHNOLOGIES CORPROMEOVILLEZinc compounds14k lb
TOYAL AMERICA INCLOCKPORTAluminum (fume or dust), 1,2,4-Trimethylbenzene13k lb
NANOPHASE TECHNOLOGIES CORPBOLINGBROOKZinc compounds12k lb
CRANE COMPOSITES INC.CHANNAHONStyrene, Methyl methacrylate11k lb
PRES-ON TAPE & GASKETBOLINGBROOKToluene, n-Hexane6k lb
AZZ GALVANIZING SERVICES-JOLIETJOLIETZinc compounds, Lead6k lb
AMERICAS STYRENICS LLC - JOLIET SITECHANNAHONZinc compounds, Styrene3k lb
SEATING CONCEPTSROCKDALEStyrene3k lb
INTERSTATE CHEMICAL CO INCCHANNAHONn-Hexane, Formic acid3k lb
APOLLO COLORS INC.ROCKDALECertain glycol ethers, Barium compounds (except for barium sulfate (CAS No. 7727-43-7))2k lb
WEST LIBERTY FOODS BOLINGBROOK ILBOLINGBROOKAmmonia2k lb
HENDRICKSON BUMPERLOCKPORTChromium, Nickel917 lb
DIAGRAPH MARKING & CODINGFRANKFORTn-Hexane859 lb
VERDANT SPECIALTY SOLUTIONS US LLCUNIVERSITY PARKMethanol, Chloroacetic acid804 lb
BLACHFORD CORPFRANKFORTZinc compounds803 lb
BATTERY BUILDERS LLCNAPERVILLELead And Lead Compounds, Antimony789 lb
CLEVELAND STEEL CONTAINER-PE OTONE FACILITYPEOTONEXylene (mixed isomers), Certain glycol ethers600 lb

Underground fuel tanks

EPA's UST Finder records 787 tank facilities in Will: 864 tanks in service and 1,757 closed. 609 fuel releases are on record, of which 123 remain open. Open releases are cleanups that have not reached "no further action".

Radon

EPA maps Will as Zone 2, moderate predicted indoor radon (2 to 4 pCi/L average). Radon and air quality are covered in depth on lung.com.

The record for one specific address

County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.

Get the report - $39

All federal cleanup sites on file

The wider Superfund enterprise inventory (SEMS) for Will, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.

  • AMERICAN CYANAMIDE COMPANYJOLIET
  • AMOCO CHEMICALS (JOLIET LANDFILL)JOLIET
  • BEECHER DITCH DRUMSBEECHER
  • BNSF STYRENE RELEASEJOLIET
  • CARLSTROM LANDFILLROCKDALE
  • CASTLE CONSTRUCTIONWILMINGTON
  • CELOTEX CORPORATED DUMPWILMINGTON
  • CLIFFS CONTAINER DORION DRUM COROMEOVILLE
  • CREST HILL TRAILERJOLIET
  • CUSTOM BLENDED OILSPEOTONE
  • INSTA-FOAM PRODUCT, INCORPORATIONCREST HILL
  • JOLIET ARMY AMMUNITION PLANT (MANUFACTURING AREA)JOLIET
  • JOLIET CHEMICAL FIREJOLIET
  • JOLIET GENERATING STATION (#9 & #29)JOLIET
  • LOCKPORT TOWNSHIP CYLINDERSLOCKPORT
  • MATHESON GAS PRODUCTS INCJOLIET
  • MOBIL OIL CORPORATIONJOLIET
  • NEW LENOX PUBLIC WELL #4NEW LENOX
  • ROMEOVILLE MERCURY SPILLROMEOVILLE
  • SHOREWOOD PESTICIDES FIRESHOREWOOD
  • TAKASAGO INTERNATIONAL CORP (USA)UNIVERSITY PARK
  • US STEEL COKING FACILITYLOCKPORT
  • US STEEL CORP JOLIET WORKSJOLIET
  • USARC - JOLIET TRAINING CENTERELWOOD
  • WASTELAND LANDFILLLOCKPORT