Mining Incidents

Waikapu Quarry Metal/Non-Metal

Hawaiian Cement · Surface
Controlled by Knife River Corporation
Wailuku, Maui County, HI  ·  Active
MSHA Mine ID: 5100171

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Fatalities
0
Total incidents
4
Years on record
2005–2022
Latest incident
Jul 2022
Compliance record
MSHA citations since 2000
59
citations
10
significant & substantial
$14,765
proposed penalties
$13,220
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 4,940 0 0 0.0
2025 Q3 5,280 0 0 0.0
2025 Q2 1,040 2 0 1923.1
2025 Q1 5,278 0 0 0.0
2024 Q4 1,040 0 0 0.0
2024 Q3 5,564 0 0 0.0
2024 Q2 4,340 0 0 0.0
2024 Q1 1,040 1 0 961.5
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

4 on file

2022 · 1 incident

July 26, 2022 HI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Hawaiian Cement · Over-exertion (Not Elsewhere Classified)

While flipping gates on the screener, bent over to reach for equipment resulting in a low back strain.

2016 · 1 incident

July 2, 2016 HI · Metal/Non-Metal FIRE
Hawaiian Cement · Accident type, without injuries

Mine was not operating when the quarry manager was notified that there was a brush fire headed toward an inactive area of the mine. Fire was extinguished prior to getting to active mining area. A decommission water truck was damaged during the fire. There were no miner fatalities or injuries.

2006 · 1 incident

July 13, 2006 HI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator OTHER
Hawaiian Cement · Absorption of radiations, caustics, toxic and noxious substances

A bee came in through the window and stung employee on right calf. A couple of days later sting became infected.

2005 · 1 incident

December 19, 2005 HI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Hawaiian Cement · Over-exertion (Not Elsewhere Classified)

Employee was trying to clear a rock that was stuck in the jaw. He was using a wedge attached to a chain, standing on the platform above the jaw. The wedge bounced up and as it fell he was holding onto the chain and the weight pulled his shoulder.