Yankton County, SD
The federal environmental record for Yankton County (population 23,517): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
2
federal cleanup sites
0
PFAS-detecting water systems
9
TRI facilities
2
open tank releases
Drinking water: PFAS testing
No public water system serving Yankton 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)
9 facilities in Yankton filed TRI reports for 2024, totalling 38k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| HYDRO EXTRUSION USA LLC | YANKTON | Hydrogen fluoride, Certain glycol ethers | 36k lb |
| MANITOU EQUIPMENT AMERICA LLC - YANKTON | YANKTON | Manganese | 925 lb |
| ASTEC - YANKTON | YANKTON | Manganese | 571 lb |
| WILSON TRAILER CO | YANKTON | Manganese, Copper | 54 lb |
| L&M RADIATOR INC. | YANKTON | Copper | 35 lb |
| KNIFE RIVER-YANKTON | YANKTON | Polycyclic aromatic compounds, Lead | 0 lb |
| VISHAY-DALE ELECTRONICS | YANKTON | - | 0 lb |
| CIMPL'S LLC | YANKTON | - | 0 lb |
| BALDWIN FILTERS INC | YANKTON | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 79 tank facilities in Yankton: 92 tanks in service and 157 closed. 109 fuel releases are on record, of which 2 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Yankton 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 Yankton, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- YANKTON ABANDONED DRUMYANKTON
- YANKTON TRANSFER STATIONYANKTON