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INDIVIDUAL FACILITIES AND SELECTED SOURCES
Below is basic information about individual facilities in our database and selected sources we've drawn on to support the analysis.  To navigate to other sites, use the search page.

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South32 Hermosa Mine

South32

Patagonia, AZ, USA

-110.730877337461, 31.4217781299469

The Big Green Machine Site ID: 581A

Additional Information:

Sector: Batteries

Activity: Extraction

Product: Manganese, Zinc


Project Announcement Date: 2/14/2024

Target for Starting Production: 2027

Announced Post Inflation Reduction Act: Yes


Current Annual Production: 60000 tpa

Operating Status: Planned


Target Jobs: 900

Capital Investment: $1607 million

Congressional District: Democrat

Government Subsidies:

Federal:

Bipartisan Infrastructure Funding: $20 million

Selected Sources:

“South32 Announces Historic $2.16 Billion Investment in Southern Arizona Hermosa Project”, on February 14, South32 Hermosa, 14 Feb 2024. 🔗


“South32 Announces US$20 Million Department of Defense Grant to Help Support Domestic Battery-Grade Manganese Production”, on May 17, South32 Hermosa, 17 May 2024. 🔗


“Environmentalists fear Biden-led Arizona mining project will cause rampant pollution”, Sarah Lapidus, The Arizona Republic, 11 Mar 2024. 🔗


“Hermosa Mine proposal: water impacts fact sheet”, Patagonia Area Resource Alliance, 28 Oct 2014. 🔗


“Database Error: Unable to connect to the database. We're getting some heavy traffic right now, which is causing our server some trouble. The database appears to be turned off or the database connection settings in the config file are not correct. Give us a minute or two: we'll be right back!”, tucsonsentinel.com, No Date. 🔗


Tracked Expansions, Acquisitions, or Related Sites:

We currently have no related projects tracked for this site.

This website, dashboard, and dataset are maintained by Jay Turner and student researchers in the Environmental Studies Department at Wellesley College. It is updated at least monthly. The data presented are compiled from publicly available sources. Summary statistics are incomplete and omit data from sites where publicly available information (regarding capital investments, employment levels, etc.) is unavailable. While we make every effort to ensure the information presented here is accurate, the information should be treated as estimates. We assume no responsibility or liability for any errors or omissions. The information contained in this site is provided on an "as is" basis with no guarantees of completeness, accuracy, or usefulness. 
The data on this site was last updated on February 19, 2025.

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