LaSalle County, IL
The federal environmental record for LaSalle County (population 108,309): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
3
Superfund NPL sites
23
federal cleanup sites
2
PFAS-detecting water systems
24
TRI facilities
83
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| LaSalle Electric Utilities | La Salle | on the NPL | 09/08/1983 |
| Matthiessen and Hegeler Zinc Company | La Salle | on the NPL | 09/29/2003 |
| Ottawa Radiation Areas | Ottawa | on the NPL | 10/14/1992 |
Drinking water: PFAS testing
Public water systems serving LaSalle 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.
| System | Highest results | Reading |
|---|---|---|
| LA SALLE IL0990300 | PFBA: 6.7 ng/L PFBS: 3.1 ng/L | detected |
| IL AMERICAN-STREATOR IL0995030 | PFBA: 7.1 ng/L PFBS: 5.5 ng/L PFPeA: 4.3 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
24 facilities in LaSalle filed TRI reports for 2024, totalling 1.1M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| CARUS LLC LASALLE SITE | LA SALLE | Manganese compounds, Copper compounds | 782k lb |
| SABIC INNOVATIVE PLASTICS US LLC | OTTAWA | Styrene, 1,3-Butadiene | 166k lb |
| PILKINGTON N.A. | OTTAWA | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 41k lb |
| ILLINOIS CEMENT CO | LA SALLE | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Ammonia | 29k lb |
| AMERICAN NICKELOID CO | PERU | Cyanide compounds, Xylene (mixed isomers) | 26k lb |
| EAKAS CORP | PERU | Nitric acid, Toluene | 20k lb |
| JAMES HARDIE BUILDING PRODUCTS PERU | PERU | Certain glycol ethers, Lead And Lead Compounds | 17k lb |
| EPSILYTE LLC | PERU | Styrene | 11k lb |
| REG SENECA LLC | SENECA | Methanol, Certain glycol ethers | 7k lb |
| RIDLEY USA INC (DBA RIDLEY FEED INGREDIENTS) | MENDOTA | Zinc compounds, Manganese compounds | 6k lb |
| US ARMY NATIONAL GUARD MARSEILLES TRAINING CENTER RANGES | MARSEILLES | Lead | 3k lb |
| MAHONEY ENVIRONMENTAL SOLUTIONS LLC | MENDOTA | Methanol | 2k lb |
| JOHN A. BIEWER OF ILLINOIS | SENECA | Copper And Copper Compounds | 648 lb |
| W. H. MAZE CO -NAIL DIV | PERU | Zinc (fume or dust), Zinc compounds | 356 lb |
| OWENS-BROCKWAY GLASS CONTAINER INC PLANT #09 | STREATOR | Lead compounds | 134 lb |
| U.S. TRUCK BODY - EAST (1705 STREATOR) | STREATOR | Nickel, Chromium | 84 lb |
| NUCOR TUBULAR PRODUCTS INC. | MARSEILLES | Manganese And Manganese Compounds | 48 lb |
| ADM MILLING | MENDOTA | - | 0 lb |
| BUILDING MATERIALS MANUFACTURING LLC | PERU | Diisocyanates | 0 lb |
| PCS PHOSPHATE MARSEILLES | MARSEILLES | - | 0 lb |
| HIXSON LUMBER CO LLC | STREATOR | - | 0 lb |
| OLDCASTLE LAWN & GARDEN | MARSEILLES | - | 0 lb |
| VIAKABLE MANUFACTURING LLC | LA SALLE | - | 0 lb |
| U.S. TRUCK BODY - WEST | STREATOR | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 455 tank facilities in LaSalle: 285 tanks in service and 1,040 closed. 325 fuel releases are on record, of which 83 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps LaSalle as Zone 1, the highest predicted indoor radon levels (over 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 - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for LaSalle, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BECKER INDUSTRIESMARSEILLES
- CARUS CORP LASALLE SITELA SALLE
- CARUS CORP LASALLE SITELA SALLE
- CONTINENTAL METALS INCLA SALLE
- I & M CANALLA SALLE
- ILLINOIS ZINC CO.PERU
- LASALLE CAPACITORPERU
- LASALLE ELECTRIC UTILITIESLA SALLE
- LASALLE RAIL YARDLASALLE
- LITTLE CITY BUILDING (112 WEST MADISON STREET)OTTAWA
- MATTHIESSEN AND HEGELER ZINC COMPANYLA SALLE
- OLD LA SALLE DUMPLA SALLE
- OTTAWA MECURY SITEOTTAWA
- OTTAWA RADIATION AREASOTTAWA
- OTTAWA RADON BUILDINGSOTTAWA
- PELTIER GLASS SITEOTTAWA
- PERU LANDFILLPERU
- PILKINGTON NORTH AMERICAOTTAWA
- RADIUM DIALPERU
- SMITH DOUGLASS INCSTREATOR
- U.S. SCRAP BARRELL SITEOTTAWA
- UNION MECHLING COMPANYSENECA
- WEDRON GROUNDWATER CONTAMINATIONWEDRON