Morrow County, OR
The federal environmental record for Morrow County (population 12,302): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
2
federal cleanup sites
0
PFAS-detecting water systems
5
TRI facilities
2
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Umatilla Army Depot (Lagoons) | Hermiston | on the NPL | 07/22/1987 |
Drinking water: PFAS testing
No public water system serving Morrow 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)
5 facilities in Morrow filed TRI reports for 2024, totalling 88k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| COLUMBIA RIVER TECHNOLOGIES | BOARDMAN | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 27k lb |
| LAMB WESTON INC. | BOARDMAN | Ammonia | 27k lb |
| ALTO COLUMBIA LLC | BOARDMAN | Acetaldehyde, Ammonia | 19k lb |
| COLUMBIA RIVER PROCESSING | BOARDMAN | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia | 13k lb |
| INTERSTATE CONCRETE & ASPHALT BOARDMAN | BOARDMAN | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead And Lead Compounds | 2k lb |
Underground fuel tanks
EPA's UST Finder records 75 tank facilities in Morrow: 42 tanks in service and 168 closed. 29 fuel releases are on record, of which 2 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Morrow as Zone 2, moderate predicted indoor radon (2 to 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 Morrow, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BOARDMAN AIR FORCE RANGEBOARDMAN
- UMATILLA ARMY DEPOT (LAGOONS)HERMISTON