Kootenai County, ID
The federal environmental record for Kootenai County (population 185,010): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
6
federal cleanup sites
2
PFAS-detecting water systems
8
TRI facilities
1
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Arrcom (Drexler Enterprises) | Rathdrum | deleted | 09/08/1983 |
Drinking water: PFAS testing
Public water systems serving Kootenai 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 |
|---|---|---|
| COEUR D ALENE CITY OF ID1280053 | PFPeA: 3.4 ng/L | detected |
| RATHDRUM CITY OF ID1280152 | PFPeA: 8 ng/L PFHxA: 4.2 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
8 facilities in Kootenai filed TRI reports for 2024, totalling 278k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| REAL ALLOY RECYCLING LLC | POST FALLS | Aluminum (fume or dust), Zinc compounds | 271k lb |
| INTERSTATE CONCRETE & ASPHALT - WYOMING | RATHDRUM | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead And Lead Compounds | 2k lb |
| INTERSTATE CONCRETE & ASPHALT POST FALLS | POST FALLS | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead And Lead Compounds | 2k lb |
| INTERSTATE CONCRETE & ASPHALT - FREEMAN | POST FALLS | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead And Lead Compounds | 2k lb |
| PLUMMER FOREST PRODUCTS PARTICLEBOARD PLANT | POST FALLS | Diisocyanates, Lead | 235 lb |
| IDAHO FOREST GROUP - CHILCO LAKE SAWMILL | ATHOL | Lead And Lead Compounds | 51 lb |
| IDAHO ASPHALT SUPPLY INC HAUSER PLANT | POST FALLS | Polycyclic aromatic compounds, Lead | 28 lb |
| POE ASPHALT PAVING INC. | POST FALLS | Polycyclic aromatic compounds | 26 lb |
Underground fuel tanks
EPA's UST Finder records 343 tank facilities in Kootenai: 308 tanks in service and 639 closed. 82 fuel releases are on record, of which 1 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Kootenai 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 Kootenai, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- ARRCOM (DREXLER ENTERPRISES)RATHDRUM
- COEUR D'ALENE GROUNDWATER CONTAMINATIONCOEUR D ALENE
- DEMING INDUSTRIESCOEUR D ALENE
- POST FALLS MERCURY SITEPOST FALLS
- USDA FS ID PANHANDLE NFS:HUDLOW CAMP DPCOEUR D'ALENE
- USN NAVAL SURFACE WARFARE CENTERBAYVIEW