Data / Mines / Idaho / Wash Plant 3
Wash Plant 3, Ada County, Idaho: 0 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Wash Plant 3 is an intermittent construction sand and gravel surface mine in Ada County, Idaho, operated by Knife River Corporation Mountain West with 2 employees on MSHA's record (mine ID 1002161). Since January 1, 2022 MSHA inspectors issued 0 citations and orders there with $0 in proposed penalties, and 0 accident reports were filed there, with no injury or illness cases.
The request: Watch Wash Plant 3 (MSHA mine ID 1002161) in Ada County, Idaho: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 1002161
- Status
- Intermittent since October 2, 2019
- Main commodity
- Construction sand and gravel
- Mine type
- Surface
- County
- Ada County, Idaho
- Nearest town
- Boise
- Operator
- Knife River Corporation Mountain West
- Parent company
- Knife River Corporation
- Employees
- 2
- MSHA field office
- Boise ID Field Office
- Citations and orders since January 1, 2022
- 0
- Inspections
- 7
- Inspector hours on site
- 17
- Citations per inspection
- 0.00 (all mines 2.30)
- Accident reports
- 0
- Injury and illness cases
- 0
- Fatalities
- 0
- Latest MSHA record
- October 6, 2026
Other open mines in Ada County, Idaho
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Rock Force 1 | Premier LLC | Ada County, ID | Construction sand and gravel | 6 | 48 |
| Liberty | Premier LLC | Ada County, ID | Construction sand and gravel | 3 | 33 |
| CR4 | Lurre Construction | Ada County, ID | Construction sand and gravel | 3 | 23 |
| Igt Sand and Gravel | Idaho Grading and Trucking, L.L.C. | Ada County, ID | Construction sand and gravel | 8 | 18 |
| Crusher #1 | Knife River Corporation Mountain West | Ada County, ID | Construction sand and gravel | 7 | 18 |
| Plant #2 | H & B Crushing LLC | Ada County, ID | Construction sand and gravel | 4 | 17 |
| Plant #4 | H & B Crushing LLC | Ada County, ID | Construction sand and gravel | 4 | 14 |
| Plant #3 | H & B Crushing LLC | Ada County, ID | Construction sand and gravel | 3 | 13 |
| Plant #7 | H & B Crushing LLC | Ada County, ID | Construction sand and gravel | 5 | 11 |
| Golden Eagle | Greyhound Mine & Milling, Inc. | Ada County, ID | Gold ore | 6 | 10 |
| Notus Pit Boise River Road | Sunroc Corporation | Ada County, ID | Construction sand and gravel | 5 | 8 |
| Wash Plant 2 | Knife River Corporation Mountain West | Ada County, ID | Construction sand and gravel | 4 | 8 |
| Broken Rock Sand & Gravel | Broken Rock Sand & Gravel LLC | Ada County, ID | Crushed, broken stone | 6 | 7 |
| Mobile Impact Crusher | Sunroc Corporation | Ada County, ID | Construction sand and gravel | 4 | 7 |
| Table Rock Sandstone | Table Rock Sandstone, LLC | Ada County, ID | Dimension sandstone | 2 | 6 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.