Key Takeaway
Portable-1 is a active surface mine producing Stone, located in Kailuu-kona, Hawaii County, HI. It has 40 violations on record (7 S&S) and $6K in proposed penalties. Operated by West Hawaii Concrete.
Portable-1
Operator: West Hawaii Concrete
Controller: Knife River Corporation
Location: Kailuu-kona, Hawaii County, HI
Employees: 7
Recent Violations
View all 40 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 04/24/2025 | 56.15014 | Non-S&S | ModNegligence | $151 |
| 04/24/2025 | 56.12004 | Non-S&S | ModNegligence | $151 |
| 04/24/2025 | 56.4201(a)(2) | Non-S&S | ModNegligence | $151 |
| 04/24/2025 | 56.6130(d) | Non-S&S | ModNegligence | $151 |
| 04/24/2025 | 56.14100(c) | Non-S&S | ModNegligence | $151 |
| 01/26/2023 | 50.30(a) | Non-S&S | LowNegligence | $143 |
| 04/02/2021 | 56.14101(a)(3) | Non-S&S | ModNegligence | $125 |
| 10/30/2020 | 56.14100(b) | Non-S&S | ModNegligence | $123 |
| 10/30/2020 | 56.11003 | Non-S&S | ModNegligence | $123 |
| 11/14/2019 | 56.14112(a)(1) | Non-S&S | LowNegligence | $121 |
| 01/14/2019 | 56.9300(b) | Non-S&S | ModNegligence | $121 |
| 01/14/2019 | 56.12004 | Non-S&S | LowNegligence | $121 |
| 05/29/2018 | 56.14101(a)(2) | Non-S&S | ModNegligence | $118 |
| 10/17/2017 | 50.30(a) | Non-S&S | ModNegligence | $116 |
| 11/16/2016 | 56.14100(b) | Non-S&S | ModNegligence | $116 |
| 09/16/2015 | 56.12004 | Non-S&S | ModNegligence | $100 |
| 09/16/2015 | 56.14112(a)(1) | Non-S&S | ModNegligence | $100 |
| 01/20/2015 | 56.12028 | Non-S&S | ModNegligence | $100 |
| 01/20/2015 | 56.12032 | Non-S&S | ModNegligence | $100 |
| 01/20/2015 | 56.17001 | Non-S&S | ModNegligence | $100 |
Accidents & Injuries
View all 2 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/23/2013 | OTHER | INJURIES INVOLVNG NONEMPLOYEES | None |
| 12/16/2005 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 8d lost, 3d restricted |
Inspections
View all 48 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/23/2026 | 02/23/2026 | 8.00 | 1 |
| 04/24/2025 | 04/28/2025 | 15.25 | 1 |
| 01/16/2025 | 01/16/2025 | 5.25 | 1 |
| 05/16/2024 | 05/16/2024 | 2.00 | 1 |
| 01/03/2024 | 01/05/2024 | 3.50 | 1 |
| 05/10/2023 | 05/10/2023 | 8.00 | 1 |
| 01/26/2023 | 01/30/2023 | 33.00 | 1 |
| 07/12/2022 | 07/12/2022 | 6.50 | 1 |
| 02/04/2022 | 02/16/2022 | 11.00 | 1 |
| 04/02/2021 | 04/06/2021 | 12.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Portable-1 have?
Portable-1 has 40 MSHA violations on record, of which 7 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $6K.
What type of mine is Portable-1?
Portable-1 is a Surface mine producing Stone, located in Kailuu-kona, Hawaii County, HI. It currently has 7 employees.
Has anyone been injured or killed at Portable-1?
According to MSHA records, Portable-1 has 2 reported accident/injury records and 0 fatalities on file.
Who operates Portable-1?
Portable-1 is operated by West Hawaii Concrete and controlled by Knife River Corporation. MSHA Mine ID: 5100242.