The inflow source to the Thanh L­¬ng and Tµ ThiÕt limestone quarries in B×nh Ph­íc Province includes precipitation, surface water and groundwater.

The total inflow into the mining works has been determined by using the methods of balance, analytics and modelling. The inflow to the Thanh L­¬ng limestone quarry comprises 182,800 m³/day from precipitation and 59,617 to 219,467 m³/day from groundwater and surface water sources. While the inflow to the Tµ ThiÕt limestone quarry is of 207,000 m³/day from rain water and 24,088 to 129,435 m³/day derived from groundwater and surface water sources.