Data / Mines / Nevada / Dayton Materials
Dayton Materials, Lyon County, Nevada: 78 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Dayton Materials is an active construction sand and gravel surface mine in Lyon County, Nevada, operated by 3D Concrete LLC with 10 employees on MSHA's record (mine ID 2602412). Since January 1, 2022 MSHA inspectors issued 78 citations and orders there with $44,835 in proposed penalties, and 7 accident reports were filed there, with 7 injury or illness cases.
The request: Watch Dayton Materials (MSHA mine ID 2602412) in Lyon County, Nevada: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 2602412
- Status
- Active since January 13, 2013
- Main commodity
- Construction sand and gravel
- Mine type
- Surface
- County
- Lyon County, Nevada
- Nearest town
- Dayton
- Operator
- 3D Concrete LLC
- Parent company
- Eagle Materials Inc
- Employees
- 10
- MSHA field office
- Reno NV Field Office
- Citations and orders since January 1, 2022
- 78
- Significant and substantial
- 29 (37.2%)
- Closure orders
- 2
- High negligence or reckless
- 9
- Proposed penalties
- $44,835
- Amount paid so far
- $25,198
- Inspections
- 18
- Inspector hours on site
- 124
- Citations per inspection
- 4.33 (all mines 2.30)
- Accident reports
- 7
- Injury and illness cases
- 7
- Fatalities
- 0
- Latest MSHA record
- October 7, 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 |
|---|---|---|---|---|
| 2022 | 5 | 3 | $828 | 0 |
| 2023 | 1 | 0 | $143 | 3 |
| 2024 | 2 | 0 | $298 | 0 |
| 2025 | 69 | 26 | $43,373 | 1 |
| 2026 | 1 | 0 | $193 | 3 |
Standards cited most at Dayton Materials
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 | 20 |
| 30 CFR 56.11027 | Surface metal and nonmetal mines | 6 |
| 30 CFR 56.17001 | Surface metal and nonmetal mines | 5 |
| 30 CFR 56.20003 | Surface metal and nonmetal mines | 5 |
| 30 CFR 56.12004 | Surface metal and nonmetal mines | 4 |
| 30 CFR 56.14110 | Surface metal and nonmetal mines | 4 |
| 30 CFR 56.14112 | Surface metal and nonmetal mines | 4 |
| 30 CFR 56.14100 | Surface metal and nonmetal mines | 3 |
| 30 CFR 56.12008 | Surface metal and nonmetal mines | 3 |
| 30 CFR 56.4201 | Surface metal and nonmetal mines | 3 |
| 30 CFR 56.12032 | Surface metal and nonmetal mines | 3 |
| 30 CFR 56.4102 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.14101 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.14130 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.20011 | Surface metal and nonmetal mines | 1 |
Injury and illness cases at Dayton Materials
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 7 |
What the accident reports at Dayton Materials describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Handling of materials | 3 |
| Powered haulage | 2 |
| Handtools (nonpowered) | 1 |
| Slip or fall of person | 1 |
Equipment named in accident reports at Dayton Materials
| Equipment | Reports |
|---|---|
| Ore haulage trucks - off highway trucks | 1 |
| Hand tools (not powered) | 1 |
| Conveyor | 1 |
Other open mines in Lyon County, Nevada
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Anthem 1 | Anthem Copper LLC | Lyon County, NV | Copper ore | 95 | 129 |
| Nevada Cement Co Cement Plant | Nevada Cement Company | Lyon County, NV | Cement | 123 | 121 |
| Arcosa Adams Claim #1850 | Acg Materials | Lyon County, NV | Gypsum | 83 | 19 |
| Moundhouse Aggregate Pit | V & T Rock Inc. | Lyon County, NV | Construction sand and gravel | 3 | 9 |
| Maggie Creek Ranch Pit | Q&D Construction LLC | Lyon County, NV | Sand, industrial | 12 | 7 |
| Fernley Plant | Imerys Filtration Minerals, Inc. | Lyon County, NV | Diatomaceous earth (diatomite) | 16 | 6 |
| Crc450x | H E Hunewill Construction Company Inc | Lyon County, NV | Construction sand and gravel | 4 | 6 |
| Spring Valley Mine | Geo-Nevada Inc. | Lyon County, NV | Gold ore | 3 | 6 |
| 1830PH SN. 412035 | H E Hunewill Construction Company Inc | Lyon County, NV | Construction sand and gravel | 2 | 5 |
| Cedar Rapids 3042 Portable Jaw Plant | H E Hunewill Construction Company Inc | Lyon County, NV | Construction sand and gravel | 2 | 5 |
| Basalite Dayton | Basalite Concrete Products, LLC | Lyon County, NV | Crushed, broken stone | 5 | 4 |
| Yerington Pit | Cinderlite Aggregates | Lyon County, NV | Construction sand and gravel | 3 | 4 |
| Juniper Ridge Quarry | Joy Engineering | Lyon County, NV | Construction sand and gravel | 5 | 3 |
| NV Aggregates Screen #1 | Cruz Construction | Lyon County, NV | Construction sand and gravel | 5 | 2 |
| NV Aggregates Jaw #1 | Cruz Construction | Lyon County, NV | Construction sand and gravel | 5 | 2 |
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.