Mokhada is a taluk headquarters town in Thane District, situated in the mountain region of the Sahyadris. Located to the north-east of Jawhar, Mokhada is off the Khodala-Parsipada road.

The proposed Khargihill dam across Vagh river shall be located near village Behadpada in Mokhada taluka of Thane district of Maharashtra State. The catchment area of Vagh river upto Khargihill dam site is assessed to be 710 sq km. The length of river upto proposed Khargihill dam site is 44 km. The Val, the Rayte, the Dhamni, the Domihira and the Lendi are principal tributaries of river Vagh. The Vagh river at Khargihill dam site flows in northerly direction through a well defined channel and its deepest bed level is 83.30 m. The reservoir area lies in Peint taluka of Nasik district and Jawhar & Mokhada taluka of Thane district of Maharashtra State. The Khargihill reservoir shall spread in an area of 1558 ha at FRL 154.52 m, which shall entirely lie in Maharashtra.

The area is flanked on the right bank by steep rock-cut slopes attaining a maximum level of 185 m with a prominent 35 m vertical scrap at the crown. On the left bank beyond the bouldary zone on channel bed lies as 258 m wide section of alluvial fill characterized by terrace between RL 91 m and RL 96m and undulatory topography. The left abutment rises at a slope of 30º and terminates into plateau with a scarp between RL 147 m and RL 174m. Further 1.5 km towards south west of dam site the plateau comes down to a level of RL 137m forming a prominent saddle north of village Vavar