Summary of The City

Hooghly River is the main source of potable surface water for the city of Kolkata supplied from the age-old Palta Water Works now rechristened as Indira Gandhi Water Treatment Plant. Due to the high levels of pollution in the surface waterbodies, groundwater is being exploited at an unsustainable level.

Water Quality information

Kolkata city water supply is dependent on both surface water source from the river Hooghly and ground water sources & hand tube wells. Kolkata municipal corporation area is occupied by quaternary alluvial sediments, comprising alternate sequence of clay, silt and sands of various grades, gravel and occasional pebble beds. Kolkata’s TDS is 200 To 400 Ppm.

Recommended Technology

NF30+UV Or NF60+UV