Data / Mines / California / Arcosa Frazier Park Plant# 1603
Arcosa Frazier Park Plant# 1603: 37 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Arcosa Frazier Park Plant# 1603 is an active clay, ceramic, refractory mnls. surface mine in Ventura County, California, operated by Arcosa Lwfp, LLC with 22 employees on MSHA's record (mine ID 0400555). Since January 1, 2022 MSHA inspectors issued 37 citations and orders there with $15,501 in proposed penalties, and 5 accident reports were filed there, with 5 injury or illness cases.
The request: Watch Arcosa Frazier Park Plant# 1603 (MSHA mine ID 0400555) in Ventura County, California: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 0400555
- Status
- Active since April 15, 2015
- Main commodity
- Clay, ceramic, refractory mnls.
- Mine type
- Surface
- County
- Ventura County, California
- Nearest town
- Frazier Park
- Operator
- Arcosa Lwfp, LLC
- Parent company
- Arcosa, Inc
- Employees
- 22
- MSHA field office
- San Bernardino CA Field Office
- Citations and orders since January 1, 2022
- 37
- Significant and substantial
- 14 (37.8%)
- Closure orders
- 2
- High negligence or reckless
- 7
- Proposed penalties
- $15,501
- Amount paid so far
- $15,501
- Inspections
- 20
- Inspector hours on site
- 138
- Citations per inspection
- 1.85 (all mines 2.30)
- Accident reports
- 5
- Injury and illness cases
- 5
- Fatalities
- 0
- Latest MSHA record
- September 18, 2026
- Citations issued to contractors here
- 1 ($182 proposed)
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 | 5 | 2 | $903 | 1 |
| 2023 | 7 | 3 | $1,407 | 1 |
| 2024 | 11 | 6 | $4,337 | 0 |
| 2025 | 1 | 0 | $775 | 2 |
| 2026 | 13 | 3 | $8,079 | 1 |
Standards cited most at Arcosa Frazier Park Plant# 1603
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 56.14107 | Surface metal and nonmetal mines | 9 |
| 30 CFR 56.20003 | Surface metal and nonmetal mines | 4 |
| 30 CFR 56.12004 | Surface metal and nonmetal mines | 2 |
| 30 CFR 46.7 | Training at sand, gravel and surface stone mines | 2 |
| 30 CFR 56.14100 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.12032 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.11002 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.12025 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.12008 | Surface metal and nonmetal mines | 1 |
| 30 CFR 46.4 | Training at sand, gravel and surface stone mines | 1 |
| 30 CFR 56.12030 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.12034 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.14112 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.12040 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.15006 | Surface metal and nonmetal mines | 1 |
Injury and illness cases at Arcosa Frazier Park Plant# 1603
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 5 |
What the accident reports at Arcosa Frazier Park Plant# 1603 describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Machinery | 1 |
| Handtools (nonpowered) | 1 |
| Handling of materials | 1 |
| Stepping or kneeling on object | 1 |
| Other | 1 |
Equipment named in accident reports at Arcosa Frazier Park Plant# 1603
| Equipment | Reports |
|---|---|
| Hand tools (powered) | 1 |
| Hand tools (not powered) | 1 |
Other open mines in Ventura County, California
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Grimes Rock a CalPortland Company | CalPortland Company | Ventura County, CA | Construction sand and gravel | 14 | 43 |
| Canyon Rock Plant | Gillibrand Industrial Sands, LLC | Ventura County, CA | Sand, industrial | 55 | 40 |
| Santa Paula Materials | Santa Paula Materials | Ventura County, CA | Construction sand and gravel | 8 | 24 |
| Wayne J. Sand & Gravel Inc. | Wayne J. Sand & Gravel Inc. | Ventura County, CA | Construction sand and gravel | 14 | 23 |
| Moorpark Quarry | Cemex Construction Materials Pacific, LLC | Ventura County, CA | Construction sand and gravel | 9 | 21 |
| Pacific Rock Inc | Pacific Rock Inc | Ventura County, CA | Crushed, broken stone | 5 | 9 |
| Ojai Quarry | MRC Rock & Sand, LLC. | Ventura County, CA | Crushed, broken granite | 2 | 7 |
| Tapo Rock & Sand | Tapo Rock & Sand | Ventura County, CA | Construction sand and gravel | 5 | 4 |
| S-6 Red | Upland Rock | Ventura County, CA | Sand, common | 2 | 3 |
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.