Mine · Los Angeles County, California, United States

Irwindale Plant

Irwindale Plant is a mine in Los Angeles County, California, United States, owned by Colas S A.

Facts

Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.

Fact	Value	Source
Name in the source	IRWINDALE PLANT	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Location	Los Angeles County	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Status	Operating (active)	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Commodities	sand and gravel (mainly sand and gravel)	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Owner	Colas S A (controls the operator)	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Operator	United Rock Products Corp	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Employees	53 people (annual average, in 2025)	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Mine type	Surface	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Coordinates	34.1183, -117.9806	MSHA Mines Data Set · Public domain · checked 24 Oct 2026

Research on this mine and its owner.Who owns it up to the parent company, its permits, resources and offtake, and an introduction to the owner.

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Nearby

Within 50 km of this mine: 15 power plants (8 operating, 6,684 MW), 13 data centers and 9 water rights (4 active), measured from the coordinates in the facts above. The table shows the nearest 9, up to 3 per kind.

Name	Kind	Size	Status	Distance
Gabriel	Power plant	400 MW	Permitted	1.3 km
Sawpit Wash municipal and irrigation right A025975	Water right	120,000 acre-ft/year	Active	5.6 km
San Gabriel River municipal and irrigation right S001524	Water right	59,763 acre-ft/year	Active	8.4 km
Walnut Creek Energy Park	Power plant	500 MW	Operating	13 km
Marici	Power plant	400 MW	Planned	13 km
San Gabriel Reservoir power right A028363	Water right	220,813 acre-ft/year	Permitted	15 km
USPO Terminal Annex	Data center	—	—	24 km
CoreSite - LA2	Data center	—	—	24 km
One Wilshire	Data center	—	—	27 km

Owner, operator and place

Other mines in California

All 98 mines in California, United States

Data on this page

Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
eWRIMS Water Rights List. eWRIMS Water Rights List, Public domain.
MSHA Mines Data Set. MSHA Mines Data Set, Public domain.