Key Takeaway
Sprague Stone LLC is a active surface mine producing Stone, located in Masonville, Larimer County, CO. It has 39 violations on record (3 S&S) and $5K in proposed penalties. Operated by Sprague Stone LLC.
Sprague Stone LLC
Operator: Sprague Stone LLC
Controller: Amanda M Sprague; Matt J Sprague
Location: Masonville, Larimer County, CO
Employees: 11
Recent Violations
View all 39 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 08/14/2025 | 56.4201(a)(2) | Non-S&S | LowNegligence | $151 |
| 08/14/2025 | 56.12018 | Non-S&S | LowNegligence | $151 |
| 11/26/2024 | 56.11001 | Non-S&S | ModNegligence | $147 |
| 11/26/2024 | 56.14205 | Non-S&S | ModNegligence | $147 |
| 11/25/2024 | 56.14205 | Non-S&S | ModNegligence | $147 |
| 04/17/2024 | 56.12004 | Non-S&S | ModNegligence | $147 |
| 04/17/2024 | 56.12028 | Non-S&S | ModNegligence | $147 |
| 11/07/2023 | 56.5001(a)/56.5005 | S&S | ModNegligence | $182 |
| 11/06/2023 | 47.41(a) | Non-S&S | ModNegligence | $143 |
| 11/06/2023 | 56.18002(b) | Non-S&S | HighNegligence | $143 |
| 11/06/2023 | 50.30(a) | Non-S&S | ModNegligence | $143 |
| 06/06/2023 | 56.11003 | S&S | ModNegligence | $143 |
| 06/06/2023 | 56.4200(b)(2) | Non-S&S | ModNegligence | $143 |
| 06/06/2023 | 56.12002 | Non-S&S | ModNegligence | $143 |
| 06/07/2022 | 56.11001 | Non-S&S | HighNegligence | $133 |
| 06/07/2022 | 50.30(a) | Non-S&S | ModNegligence | $133 |
| 03/04/2022 | 58.620 | Non-S&S | ModNegligence | $133 |
| 02/14/2022 | 56.18002(b) | Non-S&S | ModNegligence | $133 |
| 07/07/2021 | 56.4402 | Non-S&S | ModNegligence | $125 |
| 01/12/2021 | 46.9(b)(2) | Non-S&S | ModNegligence | $125 |
Inspections
View all 22 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/13/2025 | 11/13/2025 | 9.00 | 1 |
| 08/14/2025 | 08/14/2025 | 12.00 | 1 |
| 11/25/2024 | 11/26/2024 | 20.00 | 1 |
| 05/22/2024 | 05/22/2024 | 2.25 | 1 |
| 04/17/2024 | 04/17/2024 | 11.75 | 1 |
| 11/06/2023 | 11/07/2023 | 23.50 | 1 |
| 06/06/2023 | 06/07/2023 | 24.75 | 1 |
| 03/16/2023 | 03/17/2023 | 11.50 | 1 |
| 06/06/2022 | 06/08/2022 | 22.50 | 1 |
| 03/04/2022 | 03/04/2022 | 3.75 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Sprague Stone LLC have?
Sprague Stone LLC has 39 MSHA violations on record, of which 3 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $5K.
What type of mine is Sprague Stone LLC?
Sprague Stone LLC is a Surface mine producing Stone, located in Masonville, Larimer County, CO. It currently has 11 employees.
Has anyone been injured or killed at Sprague Stone LLC?
According to MSHA records, Sprague Stone LLC has 0 reported accident/injury records and 0 fatalities on file.
Who operates Sprague Stone LLC?
Sprague Stone LLC is operated by Sprague Stone LLC and controlled by Amanda M Sprague; Matt J Sprague. MSHA Mine ID: 0505077.