Data / Mines / Washington / Plant 1
Plant 1, Kittitas County, Washington: 4 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Plant 1 is a temporarily idled construction sand and gravel surface mine in Kittitas County, Washington, operated by Riverbottom Rock with 2 employees on MSHA's record (mine ID 4503835). Since January 1, 2022 MSHA inspectors issued 4 citations and orders there with $604 in proposed penalties, and 1 accident report was filed there, with 1 injury or illness case.
The request: Watch Plant 1 (MSHA mine ID 4503835) in Kittitas County, Washington: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 4503835
- Status
- Temporarily Idled since September 22, 2026
- Main commodity
- Construction sand and gravel
- Mine type
- Surface
- County
- Kittitas County, Washington
- Nearest town
- Ellensburg
- Operator
- Riverbottom Rock
- Employees
- 2
- MSHA field office
- Kent WA Field Office
- Citations and orders since January 1, 2022
- 4
- Significant and substantial
- 1 (25.0%)
- Closure orders
- 0
- High negligence or reckless
- 0
- Proposed penalties
- $604
- Amount paid so far
- $604
- Inspections
- 4
- Inspector hours on site
- 31
- Citations per inspection
- 1.00 (all mines 2.30)
- Accident reports
- 1
- Injury and illness cases
- 1
- Fatalities
- 0
- Latest MSHA record
- September 28, 2026
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2025 | 1 | 0 | $151 | 1 |
| 2026 | 3 | 1 | $453 | 0 |
Standards cited most at Plant 1
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.14132 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.12025 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.14107 | Surface metal and nonmetal mines | 1 |
| 30 CFR 50.30 | Reporting of accidents, injuries and illnesses | 1 |
Injury and illness cases at Plant 1
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| No lost time, or an occupational illness | 1 |
What the accident reports at Plant 1 describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Slip or fall of person | 1 |
Equipment named in accident reports at Plant 1
| Equipment | Reports |
|---|---|
| Shovel | 1 |
Other open mines in Kittitas County, Washington
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Ronald Sand & Gravel | Ronald Sand & Gravel | Kittitas County, WA | Crushed, broken stone | 2 | 41 |
| Portable Unit #1 | Ellensburg Cement Products Inc | Kittitas County, WA | Construction sand and gravel | 2 | 38 |
| Stampede Pass | MSK Mining | Kittitas County, WA | Sand, common | 5 | 24 |
| Ellensburg Pit | Ellensburg Cement Products Inc | Kittitas County, WA | Construction sand and gravel | 2 | 11 |
| Portable Unit No 2 | Ellensburg Cement Products Inc | Kittitas County, WA | Construction sand and gravel | 2 | 6 |
| Portable Wash Plant | Ellensburg Cement Products Inc | Kittitas County, WA | Construction sand and gravel | 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.