Lincoln County, SD
The federal environmental record for Lincoln County (population 73,238): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
0
federal cleanup sites
2
PFAS-detecting water systems
6
TRI facilities
3
open tank releases
Drinking water: PFAS testing
Public water systems serving Lincoln 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 |
|---|---|---|
| HARRISBURG, SD SD4600148 | PFBA: 5.5 ng/L | detected |
| LINCOLN COUNTY RURAL WATER SYSTEM SD4600304 | PFBA: 6.1 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
6 facilities in Lincoln filed TRI reports for 2024, totalling 82k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| SHOWPLACE WOOD PRODUCTS | HARRISBURG | Xylene (mixed isomers), n-Butyl alcohol | 59k lb |
| RED ROCK DAIRY PRODUCTS | BERESFORD | Nitric acid | 13k lb |
| POET BIOREFINING - HUDSON | HUDSON | Acetaldehyde, n-Hexane | 8k lb |
| OMEGA LINER CO INC. | CANTON | Styrene | 1k lb |
| WILSON TRAILER CO | LENNOX | Manganese, Copper | 48 lb |
| HARVARD INTEGRATIONS | TEA | Manganese | 15 lb |
Underground fuel tanks
EPA's UST Finder records 65 tank facilities in Lincoln: 94 tanks in service and 125 closed. 83 fuel releases are on record, of which 3 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Lincoln 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 - $39