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
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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.