J.r. Simplot Company
16777 Howland Rd, Lathrop, CA 95330, San Joaquin County
A manufacturing facility in Lathrop, California, listed in EPA records under nitrogenous fertilizer manufacturing (NAICS 325311) and also phosphatic fertilizer manufacturing and pesticide and other agricultural chemical manufacturing. It is one of 32,455 active manufacturing facilities in EPA records in California.
- Industry
- Chemicals
- NAICS 325
- TRI reporter
- Yes
- Inspections, 5 yr
- 5
- EPA registry ID
- 110000485109
- Revised
- November 1, 2026
What's made here
- Nitrogenous Fertilizer Manufacturing (NAICS 325311)
- Phosphatic Fertilizer Manufacturing (NAICS 325312)
- Pesticide and Other Agricultural Chemical Manufacturing (NAICS 325320)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 95330FRSMP16777). |
|---|---|
| Clean Air Act | Listed as a major source of air emissions. |
| Clean Water Act | A non-major water discharge permit (NPDES). |
| Hazardous waste (RCRA) | Listed as a large quantity generator of hazardous waste (1,000 kg or more a month); and a site with a past hazardous waste treatment, storage or disposal unit (legacy TSDF); and a very small quantity generator of hazardous waste (under 100 kg a month). |
| Inspections | 5 in the last five years; most recent December 9, 2024. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records