Dickinson County, IA
The federal environmental record for Dickinson County (population 18,056): 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
4
TRI facilities
3
open tank releases
Drinking water: PFAS testing
Public water systems serving Dickinson 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 |
|---|---|---|
| OKOBOJI WATER SUPPLY IA3060091 | PFBA: 9.2 ng/L | detected |
| SPIRIT LAKE WATERWORKS IA3070078 | PFBA: 5.6 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
4 facilities in Dickinson filed TRI reports for 2024, totalling 26k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| GREEN PLAINS SUPERIOR LLC | SUPERIOR | Acetaldehyde, Ammonia | 25k lb |
| POLARIS INDUSTRIES INC | SPIRIT LAKE | Copper, Lead | 790 lb |
| PURE FISHING | SPIRIT LAKE | Diisononyl Phthalates (DINP) | 680 lb |
| ROSENBOOM MACHINE & TOOL INC | SPIRIT LAKE | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 106 tank facilities in Dickinson: 56 tanks in service and 250 closed. 36 fuel releases are on record, of which 3 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Dickinson 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