Picacho employed 700 miners at its peak from 1895 to 1900. Mill accidents, low ore quality, and the loss of cheap river transport with the building of Laguna Dam led to numerous periods of inactivity.
At its maximum capacity, Picacho employed 700 miners between 1895 and 1900. However, the operation was frequently halted by frequent accidents at the mine, poor ore quality, and the loss of an affordable means of transporting goods via river, which was disrupted by the construction of Laguna Dam.