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Abandoned mines › Hawaii
Abandoned mine inventory

Abandoned mines in Honolulu County, Hawaii

Honolulu County, Hawaii has 55 mine and prospect features on USGS topographic maps published 1952–1999, including 2 mine openings (shafts, adits and air shafts); 10 of the features carry a name on the map. MSHA's register carries 29 mines in the county with status Abandoned or Abandoned and Sealed.

Every mine and prospect feature the USGS digitized from historical topographic maps covering Honolulu County, every OSMRE abandoned mine land problem in the county, and every MSHA-registered mine here with status Abandoned. Named features are listed below; unnamed ones are counted by type. Locations are deliberately not shown: this page says what abandoned workings are in the county, not where to find them. They are dangerous and should not be entered.

Mapped mine features (USGS)
55
Mine openings
2
OSMRE problems unreclaimed
0
MSHA mines marked abandoned
29
10 features carry a name0 prospect pits13 quadrangle maps, published 1952–1999 0 MSHA mines abandoned and sealed
What the features are
  1. Mine openings
    shafts, adits, air shafts, portals and vertical openings: the ways into underground workings
    2 3.6%
  2. Mines and surface workings
    labelled mines, open pits, strip mines, placer and hydraulic workings
    1 1.8%
  3. Quarries, gravel and borrow pits
    construction-material and industrial-mineral extraction
    52 94.5%
Named features on the maps10 named · from the USGS compilation
Name on map Feature
Coral Pit Gravel/Borrow Pit - Undifferentiated area
Coral Pit Gravel/Borrow Pit - Undifferentiated area
Coral Pit Gravel/Borrow Pit - Undifferentiated area
Coral Pit Gravel/Borrow Pit - Undifferentiated
Coral Pit Gravel/Borrow Pit - Undifferentiated area
Coral Pit Gravel/Borrow Pit - Undifferentiated area
Coral Pit Gravel/Borrow Pit - Undifferentiated
Kapaa Quarry Quarry
Kapaa Quarry Quarry
Moiliili Quarry Quarry

A name is the label printed beside the symbol on the map. "First mapped" is the earliest topographic edition that shows the symbol, which bounds the feature's age from above; it is not the date it was worked. Unnamed features (most prospect pits, adits and shafts carry no label) are in the counts above but not this list.

MSHA-registered mines with status Abandoned29 on register
  1. 1500 TPH Portable Stone Quarry
    Surface metal/non-metal · Hawaiian Dredging Construction Company · MSHA ID 5100217
    Abandoned
  2. 638 TPH Extec Portable Crusher
    Surface metal/non-metal · SAN Construction LLC · MSHA ID 5100251
    Abandoned
  3. 660 TPH Portable Crusher
    Surface metal/non-metal · Hawaiian Dredging Construction Company · MSHA ID 5100250
    Abandoned
  4. Barber'S Point Limestone Pit
    Surface metal/non-metal · H Tanaka Trucking Service Inc · MSHA ID 5100125
    Abandoned
  5. Barbers Point Mill
    Facility metal/non-metal · Hawaiian Cement · MSHA ID 5100056
    Abandoned
  6. BR-550 Crusher
    Surface metal/non-metal · Kalaka Nui, Inc. · MSHA ID 5100298
    Abandoned
  7. Coral Pit
    Surface metal/non-metal · Oahu Sugar Company Ltd · MSHA ID 5100006
    Abandoned
  8. Hawaii Portable No 1
    Surface metal/non-metal · Kiewit Pacific Co. · MSHA ID 5100197
    Abandoned
  9. Kalaeloa Sand Processing Plant
    Surface metal/non-metal · Grace Pacific Corp · MSHA ID 5100193
    Abandoned
  10. Koa Ridge, Waipio Gentry
    Surface metal/non-metal · Pineridge Farms Inc. · MSHA ID 5100294
    Abandoned
  11. KoleKole Quarry
    Surface metal/non-metal · Liana Construction LLC · MSHA ID 5100310
    Abandoned
  12. Laie Concrete & Aggregate Incorporated
    Surface metal/non-metal · Laie Concrete & Aggregate Inc · MSHA ID 5100031
    Abandoned
  13. MEI-PP1
    Surface metal/non-metal · MEI Corporation · MSHA ID 5100306
    Abandoned
  14. Mobile Rock Crusher #2
    Surface metal/non-metal · Delta Construction Corporation · MSHA ID 5100311
    Abandoned
  15. Nova Group Incorporated
    Surface metal/non-metal · Nova Group Inc · MSHA ID 5100215
    Abandoned
  16. Pegson 1
    Surface metal/non-metal · Royal Contracting Co. Ltd · MSHA ID 5100292
    Abandoned
  17. Portable 1
    Surface metal/non-metal · Pineridge Farms Inc. · MSHA ID 5100272
    Abandoned
  18. Portable 2
    Surface metal/non-metal · Pineridge Farms, Inc. · MSHA ID 5100291
    Abandoned
  19. Portable Crusher
    Surface metal/non-metal · R H S Lee Inc · MSHA ID 5100213
    Abandoned
  20. Portable Crusher
    Surface metal/non-metal · Oahu Construction Company Ltd · MSHA ID 5100216
    Abandoned
  21. Portable Plant #2
    Surface metal/non-metal · Pacific Aggregate · MSHA ID 5100232
    Abandoned
  22. Pvt Recycling
    Surface metal/non-metal · Pvt Land Company Ltd · MSHA ID 5100218
    Abandoned
  23. Resource Recovery Ltd
    Surface metal/non-metal · Resource Recovery Ltd · MSHA ID 5100219
    Abandoned
  24. Waianae Plant
    Facility metal/non-metal · Kaiser Cement Corp · MSHA ID 5100025
    Abandoned
  25. Waianae Quarry
    Surface metal/non-metal · Kaiser Cement Corp · MSHA ID 5100187
    Abandoned
  26. Waimanalo Gulch Landfill
    Surface metal/non-metal · Waste Management of Hawaii · MSHA ID 5100277
    Abandoned
  27. Waimanalo Pit
    Surface metal/non-metal · Pacific Clay Corp · MSHA ID 5100050
    Abandoned
  28. Waimanalo Quarry & Mill
    Surface metal/non-metal · Grace Pacific Corp · MSHA ID 5100040
    Abandoned
  29. Warren Corporation
    Surface metal/non-metal · Warren Corp · MSHA ID 5100184
    Abandoned

Status and date are as reported to MSHA by the operator. Each mine's own page carries its accident, citation and inspection record.

By source vocabularythe publishers' own terms
Feature type Features
Quarry 20
Quarry 11
Borrow Pit 5
Gravel/Borrow Pit - Undifferentiated 5
Borrow Pit 5
Gravel Pit 3
Adit 2
Gravel/Borrow Pit - Undifferentiated 2
Gravel Pit 1
Disturbed Surface - Pit 1
Other counties in HawaiiAll counties →
How to read these numbers

A USGS feature is a symbol on a historical topographic map, there when the map was surveyed; it may since have been sealed, reclaimed, built over or reopened as a working mine, and the map does not say which. An OSMRE row is a problem the abandoned mine land program tracks, not a mine. An MSHA mine is a registered operation whose operator reported abandonment, a record that starts in the 1970s. The three overlap and are never added together. The county is assigned from each feature's coordinates against the Census 2023 county boundaries. The full method is on the national page.

Sources
  1. USGS, Consolidated Prospect- and Mine-Related Features from 7.5- and 15-Minute Topographic Quadrangle Maps of the United States (USMIN)
    597,612 point and area features digitized from about 106,350 historical topographic maps published 1886–2006; public domain (CC0). A feature is a map symbol, not a field-verified site, and the map does not say whether it was still worked.
  2. USGS Fact Sheet 2025–3003, The Abandoned Mine Inventory of the United States
    States that as of 2025 there is no comprehensive national inventory of abandoned mine features, and that the detailed national database now being built will not be published.
  3. OSMRE, Abandoned Mine Land Inventory System (e-AMLIS), public Problems layer
    One row per abandoned mine land problem in a problem area, with its type, funding program and reclamation status; mostly coal mined before the 1977 Surface Mining Control and Reclamation Act. Coordinates are the problem area's.
  4. MSHA, Mines dataset (Mine Data Retrieval System)
    Every mine registered with MSHA since the 1970s; a mine reads Abandoned or Abandoned and Sealed when its operator reported that status. Refreshed weekly.
  5. US Census Bureau, 2023 cartographic county boundaries (1:500,000)
    Each feature's county is assigned by its coordinates against these boundaries, not copied from the source file.
  6. GAO-20-238, Abandoned Hardrock Mines (March 2020)
    Federal agencies had identified at least 140,000 abandoned hardrock mine features on federal land and estimated more than 390,000 more not yet captured in their databases.
  7. Abandoned Hardrock Mine Reclamation (AHMR) Program, US Department of the Interior
    The program the USGS inventory is compiled for. Its appropriations and the 674,000 field-confirmed feature count on this page were provided by the program manager, Office of Environmental Policy and Compliance, and are cited with permission (2026-09-08).
  8. IMCC-NAAMLP Hardrock AML Report
    Page 48 carries the two figures this page leans on: USGS estimates 633,181 of the 725,690 mine features it recorded from historic topographic maps, 87 percent, are hardrock; and state and federal agencies have submitted more than 724,000 AML features to the national database being built, already more than the historic maps hold. Year-by-year AHMR funding is on page 35.