Key Takeaway
Portable #3 is a active surface mine producing Stone, located in Neskowin, Tillamook County, OR. It has 49 violations on record (2 S&S) and $7K in proposed penalties. Operated by D.K. Quarries.
Portable #3
Operator: D.K. Quarries
Controller: Cassie E Mendoza; Marcos E Mendoza
Location: Neskowin, Tillamook County, OR
Employees: 2
Recent Violations
View all 49 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/03/2025 | 56.12004 | Non-S&S | ModNegligence | $151 |
| 11/03/2025 | 56.14132(a) | Non-S&S | ModNegligence | $151 |
| 11/03/2025 | 56.14100(b) | Non-S&S | ModNegligence | $151 |
| 09/22/2025 | 56.12028 | Non-S&S | ModNegligence | $151 |
| 09/18/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 04/16/2025 | 56.4601 | Non-S&S | HighNegligence | $151 |
| 04/16/2025 | 56.14132(a) | Non-S&S | ModNegligence | $151 |
| 04/16/2025 | 56.14132(a) | Non-S&S | ModNegligence | $151 |
| 02/19/2025 | 56.11003 | Non-S&S | ModNegligence | $151 |
| 02/19/2025 | 56.4601 | Non-S&S | LowNegligence | $151 |
| 02/19/2025 | 56.14132(a) | Non-S&S | ModNegligence | $151 |
| 04/03/2024 | 56.12008 | Non-S&S | ModNegligence | $147 |
| 04/03/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 12/28/2023 | 56.12030 | Non-S&S | ModNegligence | $147 |
| 12/28/2023 | 56.12004 | Non-S&S | ModNegligence | $147 |
| 12/28/2023 | 56.14132(b)(1)(i) | Non-S&S | HighNegligence | $147 |
| 04/25/2023 | 56.14132(b)(2) | Non-S&S | ModNegligence | $143 |
| 04/25/2023 | 56.14100(b) | Non-S&S | ModNegligence | $143 |
| 11/09/2022 | 56.14100(b) | Non-S&S | LowNegligence | $133 |
| 08/10/2022 | 56.14107(a) | Non-S&S | ModNegligence | $133 |
Inspections
View all 35 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/03/2025 | 11/05/2025 | 17.50 | 1 |
| 09/16/2025 | 09/24/2025 | 26.25 | 1 |
| 04/15/2025 | 04/17/2025 | 10.50 | 1 |
| 02/18/2025 | 02/19/2025 | 8.75 | 1 |
| 04/03/2024 | 04/03/2024 | 8.00 | 1 |
| 12/28/2023 | 12/28/2023 | 8.25 | 1 |
| 05/17/2023 | 05/19/2023 | 1.25 | 1 |
| 04/24/2023 | 04/25/2023 | 14.25 | 1 |
| 11/09/2022 | 11/10/2022 | 13.50 | 1 |
| 09/07/2022 | 09/07/2022 | 3.75 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Portable #3 have?
Portable #3 has 49 MSHA violations on record, of which 2 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $7K.
What type of mine is Portable #3?
Portable #3 is a Surface mine producing Stone, located in Neskowin, Tillamook County, OR. It currently has 2 employees.
Has anyone been injured or killed at Portable #3?
According to MSHA records, Portable #3 has 0 reported accident/injury records and 0 fatalities on file.
Who operates Portable #3?
Portable #3 is operated by D.K. Quarries and controlled by Cassie E Mendoza; Marcos E Mendoza. MSHA Mine ID: 3503677.