Corson Sand Plant / Quarry

Active Surface SandAndGravel

Operator: Knife River - South Dakota

Controller: Knife River Corporation

Location: Sioux Falls, Minnehaha County, SD

Employees: 8

87
Violations
5
S&S Violations
12
Accidents
$12K
Penalties

Recent Violations

View all 87 →
Date Section S&S Negligence Penalty
12/03/2025 50.30(a) Non-S&S ModNegligence $151
12/03/2025 50.30(a) Non-S&S ModNegligence $151
12/01/2025 56.14206(b) Non-S&S ModNegligence $151
12/01/2025 56.14206(b) Non-S&S ModNegligence $151
12/01/2025 56.14211(c) Non-S&S ModNegligence $151
12/10/2024 56.14107(a) Non-S&S LowNegligence $151
12/10/2024 56.14107(a) Non-S&S LowNegligence $151
12/10/2024 56.14132(a) Non-S&S LowNegligence $151
05/16/2024 56.4201(a)(2) Non-S&S ModNegligence $147
12/12/2023 56.12004 Non-S&S LowNegligence $147
12/11/2023 56.14101(a)(2) Non-S&S HighNegligence $239
12/11/2023 56.4201(a)(2) Non-S&S ModNegligence $147
12/11/2023 56.4101 Non-S&S ModNegligence $147
12/11/2023 46.9(b) Non-S&S ModNegligence $147
12/11/2023 56.4201(a)(2) Non-S&S ModNegligence $143
06/07/2023 56.14132(b)(1)(i) Non-S&S LowNegligence $143
06/07/2023 50.20-1 Non-S&S LowNegligence $143
06/07/2023 50.20-1 Non-S&S LowNegligence $143
03/09/2022 46.9(g) Non-S&S LowNegligence $133
09/08/2021 56.12018 Non-S&S LowNegligence $125

Accidents & Injuries

View all 12 →
Date Classification Injury Days Lost
08/06/2025 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
04/04/2022 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 10d lost, 51d restricted
01/26/2022 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 20d lost, 88d restricted
05/26/2021 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 20d lost, 213d restricted
11/07/2018 HANDTOOLS (NONPOWERED) DAYS RESTRICTED ACTIVITY ONLY 23d restricted
08/04/2018 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
01/10/2018 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
07/27/2016 OTHER DAYS AWAY FROM WORK ONLY 1d lost
06/14/2013 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 3d lost
08/13/2010 HANDTOOLS (NONPOWERED) DAYS RESTRICTED ACTIVITY ONLY 78d restricted

Inspections

View all 58 →
Begin End Hours Inspectors
12/01/2025 12/03/2025 21.25 1
06/23/2025 06/24/2025 20.50 1
12/10/2024 12/12/2024 27.50 1
05/15/2024 05/16/2024 14.75 1
12/18/2023 12/18/2023 5.50 1
12/11/2023 12/12/2023 21.50 1
06/07/2023 06/08/2023 16.25 1
01/31/2023 01/31/2023 6.00 1
08/29/2022 08/30/2022 14.25 1
03/08/2022 03/10/2022 16.00 1

Mine Details

MSHA Mine ID3901478
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees8
Days/Week5.0
Hours/Shift10.0
Coordinates43.6244440, -96.5716670
Nearest TownSioux Falls

Frequently Asked Questions

How many MSHA violations does Corson Sand Plant / Quarry have?

Corson Sand Plant / Quarry has 87 MSHA violations on record, of which 5 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $12K.

What type of mine is Corson Sand Plant / Quarry?

Corson Sand Plant / Quarry is a Surface mine producing SandAndGravel, located in Sioux Falls, Minnehaha County, SD. It currently has 8 employees.

Has anyone been injured or killed at Corson Sand Plant / Quarry?

According to MSHA records, Corson Sand Plant / Quarry has 12 reported accident/injury records and 0 fatalities on file.

Who operates Corson Sand Plant / Quarry?

Corson Sand Plant / Quarry is operated by Knife River - South Dakota and controlled by Knife River Corporation. MSHA Mine ID: 3901478.