Key Takeaway
Portable Sand Plant #4 is a intermittent surface mine producing SandAndGravel, located in Lanesboro, Carroll County, IA. It has 11 violations on record (2 S&S) and $2K in proposed penalties. Operated by Tiefenthaler Ag-Lime, Inc.
Portable Sand Plant #4
Operator: Tiefenthaler Ag-Lime, Inc
Controller: Dale Tiefenthaler
Location: Lanesboro, Carroll County, IA
Employees: 1
Recent Violations
View all 11 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/01/2025 | 56.14100(c) | Non-S&S | ModNegligence | $151 |
| 04/07/2025 | 46.7(a) | Non-S&S | HighNegligence | $168 |
| 04/07/2025 | 56.15005 | Non-S&S | HighNegligence | $151 |
| 04/01/2025 | 56.23002(a) | Non-S&S | HighNegligence | $151 |
| 04/01/2025 | 56.11001 | S&S | ModNegligence | $151 |
| 05/02/2024 | 56.4201(a)(2) | Non-S&S | ModNegligence | $147 |
| 07/18/2022 | 56.14206(b) | Non-S&S | ModNegligence | $133 |
| 07/09/2021 | 50.30(a) | Non-S&S | LowNegligence | $125 |
| 08/10/2020 | 50.30(a) | Non-S&S | LowNegligence | $123 |
| 07/19/2016 | 56.9300(a) | S&S | ModNegligence | $276 |
| 07/19/2016 | 56.14206(b) | Non-S&S | ModNegligence | $114 |
Inspections
View all 15 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/06/2025 | 10/06/2025 | 1.75 | 1 |
| 10/01/2025 | 10/01/2025 | 6.25 | 1 |
| 04/21/2025 | 04/21/2025 | 2.00 | 1 |
| 04/07/2025 | 04/07/2025 | 5.00 | 1 |
| 04/01/2025 | 04/02/2025 | 7.25 | 1 |
| 05/07/2024 | 05/07/2024 | 2.00 | 1 |
| 05/02/2024 | 05/02/2024 | 5.75 | 1 |
| 08/03/2023 | 08/03/2023 | 0.75 | 1 |
| 07/18/2022 | 07/20/2022 | 2.50 | 1 |
| 07/09/2021 | 07/09/2021 | 4.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Portable Sand Plant #4 have?
Portable Sand Plant #4 has 11 MSHA violations on record, of which 2 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.
What type of mine is Portable Sand Plant #4?
Portable Sand Plant #4 is a Surface mine producing SandAndGravel, located in Lanesboro, Carroll County, IA. It currently has 1 employees.
Has anyone been injured or killed at Portable Sand Plant #4?
According to MSHA records, Portable Sand Plant #4 has 0 reported accident/injury records and 0 fatalities on file.
Who operates Portable Sand Plant #4?
Portable Sand Plant #4 is operated by Tiefenthaler Ag-Lime, Inc and controlled by Dale Tiefenthaler. MSHA Mine ID: 1302448.