Key Takeaway
River Ridge is a active surface mine producing SandAndGravel, located in Doddridge, Miller County, AR. It has 116 violations on record (23 S&S) and $62K in proposed penalties. Operated by Alpine Silica, LLC.
River Ridge
Operator: Alpine Silica, LLC
Controller: Pro Frac Holding Corp
Location: Doddridge, Miller County, AR
Employees: 60
Recent Violations
View all 116 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 12/03/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 12/02/2025 | 56.11003 | Non-S&S | ModNegligence | $151 |
| 12/02/2025 | 56.11012 | Non-S&S | ModNegligence | $151 |
| 12/02/2025 | 56.14112(a)(1) | Non-S&S | ModNegligence | $209 |
| 12/01/2025 | 56.4201(a)(2) | Non-S&S | ModNegligence | $151 |
| 06/10/2025 | 46.5(a) | S&S | ModNegligence | $517 |
| 06/10/2025 | 46.3(a) | Non-S&S | ModNegligence | $151 |
| 06/10/2025 | 56.23002(a) | Non-S&S | ModNegligence | $151 |
| 06/10/2025 | 46.5(a) | S&S | ModNegligence | $1,320 |
| 06/10/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 06/10/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 06/10/2025 | 47.41(a) | Non-S&S | ModNegligence | $151 |
| 06/09/2025 | 56.12040 | Non-S&S | ModNegligence | $151 |
| 12/04/2024 | 56.14207 | Non-S&S | ModNegligence | $147 |
| 12/03/2024 | 56.12023 | Non-S&S | ModNegligence | $147 |
| 12/03/2024 | 56.20003(a) | S&S | ModNegligence | $147 |
| 12/03/2024 | 56.12032 | Non-S&S | ModNegligence | $147 |
| 12/02/2024 | 56.20003(c) | Non-S&S | ModNegligence | $147 |
| 09/03/2024 | 56.12025 | Non-S&S | ModNegligence | $147 |
| 09/03/2024 | 56.14115(b) | S&S | ModNegligence | $147 |
Accidents & Injuries
View all 2 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 06/15/2025 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | None |
| 09/24/2020 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 186d lost |
Inspections
View all 23 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/01/2025 | 12/04/2025 | 39.25 | 1 |
| 06/09/2025 | 06/12/2025 | 38.00 | 1 |
| 12/02/2024 | 12/05/2024 | 39.50 | 1 |
| 09/03/2024 | 09/05/2024 | 31.00 | 1 |
| 04/10/2024 | 04/11/2024 | 13.00 | 1 |
| 02/21/2024 | 02/22/2024 | 12.00 | 1 |
| 10/16/2023 | 10/19/2023 | 34.00 | 1 |
| 06/15/2023 | 06/15/2023 | 14.75 | 1 |
| 05/22/2023 | 05/25/2023 | 37.00 | 1 |
| 03/15/2023 | 03/15/2023 | 17.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does River Ridge have?
River Ridge has 116 MSHA violations on record, of which 23 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $62K.
What type of mine is River Ridge?
River Ridge is a Surface mine producing SandAndGravel, located in Doddridge, Miller County, AR. It currently has 60 employees.
Has anyone been injured or killed at River Ridge?
According to MSHA records, River Ridge has 2 reported accident/injury records and 0 fatalities on file.
Who operates River Ridge?
River Ridge is operated by Alpine Silica, LLC and controlled by Pro Frac Holding Corp. MSHA Mine ID: 0302065.