Mines in Honolulu County, Hawaii

26Total

12Active

Honolulu County, Hawaii has 26 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 12 of these are currently active mining operations. The most commonly recorded commodity is construction sand and gravel, with 7 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Honolulu County

Mine	Commodity	Type	Status	Source
Halawa Valley	Crushed, Broken Stone NEC	Surface	Active	MSHA
Kapaa Quarry and Mill	Crushed, Broken Traprock	Surface	Active	MSHA
Makakilo Quarry	Dimension Stone NEC	Surface	Active	MSHA
Portable Plant	Construction Sand and Gravel	Surface	Active	MSHA
Barbers Point Mill	Calcium	Processing Plant	Producer	MRDS
Cyprus Hawaiian Cement Corp.	Limestone, General	Processing Plant	Producer	MRDS
Halawa Quarry and Mill	Stone	Surface	Producer	MRDS
Kapah Quarry and Mill	Stone	Surface	Producer	MRDS
Laie Quarry	Stone	Surface	Producer	MRDS
Makakilo Quarry and Mill	Stone	Surface	Producer	MRDS
Waianae Cement Plant	Limestone, General	Processing Plant	Producer	MRDS
Waianea Quarry	Calcium	Surface	Producer	MRDS
1500 Tph Portable Stone Quarry	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
638 Tph Extec Portable Crusher	Construction Sand and Gravel	Surface	Abandoned	MSHA
Barbers Point Limestone Pit	Calcium	Surface	Past Producer	MRDS
Ewa Pit	Calcium	Surface	Past Producer	MRDS
Kalaeloa Sand Processing Plant	Crushed, Broken Limestone NEC	Surface	Abandoned	MSHA
Kolekole Quarry	Construction Sand and Gravel	Surface	Abandoned	MSHA
Mobile Rock Crusher #2	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Pegson 1	Construction Sand and Gravel	Surface	Abandoned	MSHA
Portable 1	Construction Sand and Gravel	Surface	Abandoned	MSHA
Portable 2	Construction Sand and Gravel	Surface	Abandoned	MSHA
Portable Plant #2	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Waialua Sand Pits	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Waimanalo Gulch Landfill	Construction Sand and Gravel	Surface	Abandoned	MSHA
Waimanalo Quarry and Mill	Calcium	Surface	Past Producer	MRDS