Clear water in wells and streams is additional proof that topsoil captures silt particles. If silt stayed in groundwater as ...

CLOSE to 700,000 tons of silt and solid wastes were removed from Pampanga River, as San Miguel Corp. (SMC) recorded another ...

Bubbles rise and pop as underground pressure forces water and fine silt up through channels in the gravel deep beneath the surface. The brown water trickles slowly downward past a cornfield and ...