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Pigs browsing in river in central Hubli, the city sewers sustain flows in this river all year round and is used by farmers for irrigation and watering dairy cattle

Pudakalkati villagers by one of their hand pumps

Water Resources Assessment for Hubli Dharwad, Karnataka India.

In April 2001 I was asked to carry out an assessment of the water resources for Hubli Dharwad as part of the NRSP livelihoods and the peri urban interface project. This included interviewing the relevant departments dealing with water and sewage there, visiting surrounding villages and designing a water quality survey. The water quality work was done by S.G.Joshi.

Since 1956 Hubli-Dharwad has relied on piped reservoir sources, while the rural areas have increasingly relied on boreholes. Increasing amounts of water are now being abstracted for irrigation in rural areas and many boreholes are now dry or have hard mineral waters which are bad for human health and damages some crops.

In the Hubli – Dharwad urban area:-

  • 40% of the water supplied by the water supply network leaks into the ground
  • There are no sewage treatment facilities
    • 30% of sewage goes to cesspits and then seeps into the ground
    • 70% of sewage enters the sewerage network where it leaks into the ground or drains into local rivers some of which is used for irrigation in rural areas

The main conclusion of this study was that leakage from the water mains and sewers under Hubli Dharwad were recharging diluting the over exploited and saline groundwaters. As a result villages nearer the urban areas had access to less saline waters.

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Copyright © Martin Hollingham