DeKalb County, IN
The federal environmental record for DeKalb County (population 44,198): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
1
federal cleanup sites
0
PFAS-detecting water systems
22
TRI facilities
18
open tank releases
Drinking water: PFAS testing
No public water system serving DeKalb reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.
Facilities reporting toxic releases (2024)
22 facilities in DeKalb filed TRI reports for 2024, totalling 1.4M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| STEEL DYNAMICS INC-FLAT ROLL DIV | BUTLER | Manganese compounds, Zinc compounds | 1.0M lb |
| THERMA-TRU CORP | BUTLER | Styrene, Zinc compounds | 119k lb |
| CONTITECH USA INC. | AUBURN | Toluene, Zinc compounds | 72k lb |
| NUCOR VULCRAFT GROUP SAINT JOE DIV | SAINT JOE | Certain glycol ethers, Zinc compounds | 38k lb |
| NEW MILLENNIUM BUILDING SYSTEMS LLC | BUTLER | Certain glycol ethers, 1,2,4-Trimethylbenzene | 30k lb |
| HEIDTMAN STEEL PRODUCTS INC. | BUTLER | Manganese, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 16k lb |
| SCOT INDUSTRIES | AUBURN | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 12k lb |
| ASHLEY INDUSTRIAL MOLDING INC | ASHLEY | Styrene, Zinc compounds | 9k lb |
| BALL BRASS & ALUMINUM FOUNDRY | AUBURN | Copper | 7k lb |
| GRIFFITH RUBBER MILLS OF GARRETT INC | GARRETT | Zinc compounds | 4k lb |
| METAL TECHNOLOGIES AUBURN LLC | AUBURN | Lead | 3k lb |
| DEKALB METAL FINISHING | AUBURN | Nickel compounds | 3k lb |
| ALUDYNE N.A. LLC (AUBURN) | AUBURN | Nickel | 750 lb |
| GRIFFITH RUBBER MILLS - LEE ST | GARRETT | Zinc compounds | 678 lb |
| BUTLER MILL SERVICE CO | BUTLER | Manganese compounds, Chromium compounds (except for chromite ore mined in the Transvaal Region) | 362 lb |
| FXI INC. - AUBURN | AUBURN | Toluene diisocyanate (mixed isomers), Diisocyanates | 254 lb |
| MULTIMATIC INDIANA INC. | BUTLER | Manganese | 57 lb |
| NUCOR BUILDING SYSTEMS | WATERLOO | Manganese, Nickel | 36 lb |
| NIPG WATERLOO | WATERLOO | Diisocyanates | 5 lb |
| GROUP DEKKO INC | GARRETT | - | 0 lb |
| TOWER AUTOMOTIVE | AUBURN | - | 0 lb |
| OLDCASTLE LAWN & GARDEN | WATERLOO | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 146 tank facilities in DeKalb: 97 tanks in service and 345 closed. 68 fuel releases are on record, of which 18 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps DeKalb 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 DeKalb, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- CEDAR CREEK PCB SITEAUBURN