Mine · La Salle County, Illinois, United States
Ottawa Plant
Ottawa Plant is a mine in La Salle County, Illinois, United States, owned by USS Holdings Inc.
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 |
|---|---|---|
| Location | La Salle 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 | silica (mainly silica) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Owner | USS Holdings Inc (controls the operator) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Operator | US Silica Company | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Employees | 143 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 | 41.3467, -88.8650 | 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.
Request researchHow its owner compares
USS Holdings Inc owns 26 of the 2,675 mines in the United States in our data with a named owner; 8 owners have more. Counts cover the mines in our data that name an owner, holder or operator; an asset with several owners counts for each.
| Owner in United States | Rank | Mines | Share |
|---|---|---|---|
| Alpha Metallurgical Resources Inc | 1st | 56 | 2.1% |
| Sev.en Global Investments a.s. | 2nd | 50 | 1.9% |
| Rosebud Mining Company | 3rd | 40 | 1.5% |
| Martin Marietta Materials Inc | 4th | 29 | 1.1% |
| Metinvest B V | 4th | 29 | 1.1% |
| USS Holdings Inc | 9th | 26 | 0.97% |
Nearby
Within 50 km of this mine: 6 power plants (3 operating, 5,659 MW), measured from the coordinates in the facts above. The table shows the nearest 3.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| LaSalle Generating Station | Power plant | 2,340 MW | Operating | 20 km |
| Allen Acres Solar | Power plant | 150 MW | Planned | 32 km |
| Osagrove Flats Wind | Power plant | 150 MW | Under construction | 46 km |
Owner, operator and place
More from USS Holdings Inc
- Cheto Minemine
- Utica Silicamine
- Rockwood Plantmine
- Fowlkes Minemine
- Pacific Plantmine
- Colado Minemine
- Clark Operationsmine
- Hazen Pitmine
Other mines in Illinois
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.