Mines in Honolulu County, Hawaii
26Total
12Active
Honolulu County, Hawaii has 26 mine and mineral deposit locations documented in federal records from the USGS Mineral Resources Data System and MSHA. 12 are currently active mining operations. The most commonly recorded commodity is construction sand and gravel, with 7 sites.
By Status
Abandoned · 10Producer · 8Past Producer · 4Active · 4
Top Commodities
Construction Sand and Gravel · 7Calcium · 5Stone · 4Crushed, Broken Stone NEC · 4Limestone, General · 2Sand and Gravel, Construction · 1Dimension Stone NEC · 1Crushed, Broken Traprock · 1
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Active Mines in Honolulu County
| Mine | Operator | Commodity | Type | Status |
|---|---|---|---|---|
| Kapaa Quarry and Mill | HC&D, LLC | Crushed, Broken Traprock | Surface | Active |
| Halawa Valley | Hawaiian Cement | Crushed, Broken Stone NEC | Surface | Active |
| Makakilo Quarry | Grace Pacific LLC | Dimension Stone NEC | Surface | Active |
| Portable Plant | Pacific Aggregate | Construction Sand and Gravel | Surface | Active |
| Barbers Point Mill | — | Calcium | Processing Plant | Producer |
| Cyprus Hawaiian Cement Corp. | — | Limestone, General | Processing Plant | Producer |
| Halawa Quarry and Mill | — | Stone | Surface | Producer |
| Kapah Quarry and Mill | — | Stone | Surface | Producer |
| Laie Quarry | — | Stone | Surface | Producer |
| Makakilo Quarry and Mill | — | Stone | Surface | Producer |
| Waianae Cement Plant | — | Limestone, General | Processing Plant | Producer |
| Waianea Quarry | — | Calcium | Surface | Producer |
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 |