Key Takeaway

Humboldt Screener is a intermittent surface mine producing Nonmetal, located in Various locations, Humboldt County, CA. It has 4 violations on record (0 S&S) and $604 in proposed penalties. Operated by Humboldt County Department of Public Works.

Humboldt Screener

Intermittent Surface Nonmetal

Operator: Humboldt County Department of Public Works

Controller: Humboldt County-CA

Location: Various locations, Humboldt County, CA

Employees: 4

4
Violations
0
S&S Violations
0
Accidents
$604
Penalties

Recent Violations

View all 4 →
Date Section S&S Negligence Penalty
01/28/2026 56.1000 Non-S&S LowNegligence $151
05/01/2025 56.1000 Non-S&S LowNegligence $151
02/06/2025 50.30(a) Non-S&S LowNegligence $151
02/06/2025 50.30(a) Non-S&S LowNegligence $151

Inspections

View all 8 →
Begin End Hours Inspectors
01/27/2026 01/28/2026 12.25 1
05/07/2025 05/07/2025 1.00 1
05/01/2025 05/01/2025 3.00 1
02/06/2025 02/06/2025 1.00 1
04/09/2024 04/10/2024 6.25 1
07/26/2023 07/27/2023 7.25 1
07/05/2022 07/20/2022 9.25 1
07/28/2021 07/28/2021 2.75 1

Mine Details

MSHA Mine ID0405949
Mine TypeSurface
StatusIntermittent
CommodityNonmetal
SIC DescriptionSand, Industrial NEC
Employees4
Days/Week5.0
Hours/Shift8.0
Coordinates40.8044440, -124.1316670
Nearest TownVarious locations

Frequently Asked Questions

How many MSHA violations does Humboldt Screener have?

Humboldt Screener has 4 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $604.

What type of mine is Humboldt Screener?

Humboldt Screener is a Surface mine producing Nonmetal, located in Various locations, Humboldt County, CA. It currently has 4 employees.

Has anyone been injured or killed at Humboldt Screener?

According to MSHA records, Humboldt Screener has 0 reported accident/injury records and 0 fatalities on file.

Who operates Humboldt Screener?

Humboldt Screener is operated by Humboldt County Department of Public Works and controlled by Humboldt County-CA. MSHA Mine ID: 0405949.