J.r. Simplot Company

16777 Howland Road, Lathrop, CA 95330

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2024 · 2 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Nitrogenous Fertilizer Manufacturing325311

Where it is

37.80787, -121.27890 · CENSUS TIGER

COUNTY

San Joaquin County

METRO AREA

Stockton-Lodi, CA

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Other plants nearby

Facility	City	Industry	Status	Distance
USA Waste of Californnia, INC.	Lathrop	Fertilizer (Mixing Only) Manufacturing 325314	UNVERIFIED	5.0 KM
Jr Simplot	French Camp	Nitrogenous Fertilizer Manufacturing 325311	UNVERIFIED	7.8 KM
Ameresco Forward Landfill	Manteca	Fertilizer (Mixing Only) Manufacturing 325314	LIKELY ACTIVE	11.0 KM
Wilbur-ellis Company Llc, Manteca	Manteca	Fertilizer (Mixing Only) Manufacturing 325314	UNVERIFIED	10.8 KM
Hawthorne Gardening - Tracy	Tracy	Pesticide and Other Agricultural Chemical Manufacturing 325320	LIKELY ACTIVE	11.5 KM

Every listed plant in San Joaquin County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 6 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in CARB-TCH, EIS · EPA site type STATIONARY.

EPA Toxics Release InventoryOPERATING
first seen DEC 2024 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110071808127 · first seen JUN 2017 · last seen AUG 2024

IN SAN JOAQUIN COUNTY29 other plants share this one’s industry (Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing, NAICS 3253); 3 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name: EPA: J.R. SIMPLOT COMPANY · OCT 2026
Street address: EPA: 16777 HOWLAND ROAD · OCT 2026
City: EPA: LATHROP · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06077 · OCT 2026
CoordinatesSOURCES DISAGREE: Census geocoder: 37.808806576573,-121.275450959227 · SEP 2026; EPA: 37.80787,-121.2789 · OCT 2026 · ON THIS PAGE

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