Key Takeaway

Sioux Falls Quarry is a active surface mine producing Stone, located in Minnehaha, Minnehaha County, SD. It has 181 violations on record (30 S&S) and $31K in proposed penalties. Operated by Knife River - South Dakota.

Sioux Falls Quarry

Active Surface Stone

Operator: Knife River - South Dakota

Controller: Knife River Corporation

Location: Minnehaha, Minnehaha County, SD

Employees: 47

181
Violations
30
S&S Violations
45
Accidents
$31K
Penalties

Recent Violations

View all 181 →
Date Section S&S Negligence Penalty
01/06/2026 56.12004 Non-S&S LowNegligence $151
04/16/2025 56.12018 Non-S&S ModNegligence $151
04/16/2025 56.12028 Non-S&S ModNegligence $177
04/15/2025 56.14132(a) Non-S&S ModNegligence $177
04/15/2025 56.12004 Non-S&S ModNegligence $151
04/15/2025 56.14207 Non-S&S HighNegligence $177
04/15/2025 56.9301 S&S ModNegligence $267
04/15/2025 56.14207 Non-S&S ModNegligence $151
11/26/2024 56.4201(b) Non-S&S LowNegligence $147
05/22/2024 46.9(c)(3) Non-S&S LowNegligence $147
05/20/2024 56.4201(a)(2) Non-S&S ModNegligence $147
05/20/2024 56.3200 Non-S&S LowNegligence $147
10/17/2023 56.14107(a) Non-S&S ModNegligence $143
09/06/2023 56.5001(a)/56.5005 S&S ModNegligence $2,364
05/17/2023 50.20-1 Non-S&S LowNegligence $143
05/16/2023 56.14112(b) Non-S&S ModNegligence $143
05/16/2023 56.12004 Non-S&S LowNegligence $143
02/14/2023 56.4201(b) Non-S&S ModNegligence $143
02/14/2023 56.4104(b) Non-S&S ModNegligence $198
02/13/2023 56.14112(b) Non-S&S LowNegligence $167

Accidents & Injuries

View all 45 →
Date Classification Injury Days Lost
01/20/2026 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None
08/18/2025 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 6d restricted
08/14/2024 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None
12/14/2023 SLIP OR FALL OF PERSON ALL OTHER CASES (INCL 1ST AID) None
08/30/2023 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 1d restricted
07/14/2023 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None
06/14/2023 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None
05/05/2022 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 29d lost, 48d restricted
01/13/2022 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None
10/18/2021 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 14d restricted

Inspections

View all 79 →
Begin End Hours Inspectors
01/05/2026 01/07/2026 28.50 1
04/15/2025 04/24/2025 37.50 1
11/25/2024 11/27/2024 21.75 1
05/29/2024 05/29/2024 1.75 1
05/22/2024 05/22/2024 0.50 1
05/20/2024 05/22/2024 29.25 1
10/16/2023 10/18/2023 34.00 1
09/25/2023 09/27/2023 10.75 1
09/05/2023 09/07/2023 22.75 1
05/16/2023 05/18/2023 24.75 1

Mine Details

MSHA Mine ID3900008
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Quartzite
Employees47
Days/Week5.0
Hours/Shift12.0
Coordinates43.5583330, -96.7669440
Nearest TownMinnehaha

Frequently Asked Questions

How many MSHA violations does Sioux Falls Quarry have?

Sioux Falls Quarry has 181 MSHA violations on record, of which 30 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $31K.

What type of mine is Sioux Falls Quarry?

Sioux Falls Quarry is a Surface mine producing Stone, located in Minnehaha, Minnehaha County, SD. It currently has 47 employees.

Has anyone been injured or killed at Sioux Falls Quarry?

According to MSHA records, Sioux Falls Quarry has 45 reported accident/injury records and 0 fatalities on file.

Who operates Sioux Falls Quarry?

Sioux Falls Quarry is operated by Knife River - South Dakota and controlled by Knife River Corporation. MSHA Mine ID: 3900008.