Data / Mines / California / Frink Pit
Frink Pit, Imperial County, California: 3 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Frink Pit is an intermittent construction sand and gravel surface mine in Imperial County, California, operated by Superior Ready Mix Concrete L P with 2 employees on MSHA's record (mine ID 0401910). Since January 1, 2022 MSHA inspectors issued 3 citations and orders there with $470 in proposed penalties, and 0 accident reports were filed there, with no injury or illness cases.
The request: Watch Frink Pit (MSHA mine ID 0401910) in Imperial County, California: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 0401910
- Status
- Intermittent since April 25, 2022
- Main commodity
- Construction sand and gravel
- Mine type
- Surface
- County
- Imperial County, California
- Nearest town
- El Centro
- Operator
- Superior Ready Mix Concrete L P
- Parent company
- Vulcan Materials Company
- Employees
- 2
- MSHA field office
- San Bernardino CA Field Office
- Citations and orders since January 1, 2022
- 3
- Significant and substantial
- 1 (33.3%)
- Closure orders
- 0
- High negligence or reckless
- 0
- Proposed penalties
- $470
- Amount paid so far
- $470
- Inspections
- 5
- Inspector hours on site
- 26
- Citations per inspection
- 0.60 (all mines 2.30)
- Accident reports
- 0
- Injury and illness cases
- 0
- Fatalities
- 0
- Latest MSHA record
- December 17, 2025
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 |
|---|---|---|---|---|
| 2022 | 2 | 0 | $266 | 0 |
| 2024 | 1 | 1 | $204 | 0 |
Standards cited most at Frink Pit
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 56.12002 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.4101 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.16003 | Surface metal and nonmetal mines | 1 |
Other open mines in Imperial County, California
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Mesquite | Western Mesquite Mines, Inc. | Imperial County, CA | Gold ore | 277 | 30 |
| Crushing Screening | Cal-Grade Inc | Imperial County, CA | Construction sand and gravel | 6 | 17 |
| Plaster City Quarry | United States Gypsum Company | Imperial County, CA | Gypsum | 27 | 16 |
| Api Pit | Aggregate Products Inc | Imperial County, CA | Construction sand and gravel | 11 | 16 |
| Frink | Imperial Valley Aggregates LLC | Imperial County, CA | Construction sand and gravel | 2 | 14 |
| Imperial Valley Aggregates | Imperial Valley Aggregates LLC | Imperial County, CA | Construction sand and gravel | 5 | 7 |
| Ammex Site | Pyramid Construction and Aggregates, Inc. | Imperial County, CA | Construction sand and gravel | 5 | 6 |
| American Girl Mine East | Pyramid Construction and Aggregates, Inc. | Imperial County, CA | Crushed, broken stone | 2 | 1 |
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.