Conservation - Reducing Water Usage

Overview

Rainwater is amongst the purest water one can get distilled as it is by the sun. However, in a rainwater harvesting system, the water comes in contact with several surfaces, such as the roof or gutters. Its flow becomes possibly mixed with leaves or dust.

Rainwater harvesting is an option which has been adopted in many areas of the world where conventional water supply systems have failed to meet the needs of the people. Examples of RWH systems can be found in all the great civilisations throughout history.

Here's an eToolkit on rainwater harvesting that tells you all that you need to know to harvest rain successfully.

1) Overview:

Water Sensitive Urban Design in the Sydney Region has come out with a comprehensive brochure which details out the system overview, design, costing and water quality issues in the construction of rainwater tanks

Click here to download the guide

It deals with the (a) inequities in sectoral distribution and inadequacy in availability of water (b)  inefficiency in use of water in domestic and agricultural sector (c) depleting ground water resource (d) inadequate treatment of watersheds (e) deteriorating surface and groundwater quality (f) degradation of traditional and community owned tanks and (g) siltation in river basins and command a

Here's a list of resources relating to the water survey conducted in the city of Bangalore

The Sachetana Drinking Water project of the Government of Karnataka covers 15 villages in each of the taluks of Bagepalli (Chikkaballapur), Mundargi (Gadag), Sira (Tumkur) and Pavagada (Tumkur).

The baseline survey covers a representative portion of the villages and families of the above and contains the following information:

This study by the Subhash B Bhagwat, the Visiting Fulbright Scholar to ACWADAM deals with economic issues in the management of water resources in the drought prone Pune district of Maharashtra. The situation in Pune city is intimately connected to the situation in Pune district. Likewise, the state and national policies and conditions ultimately determine what happens in individual districts or towns. Even then there is plenty of room for cities and districts to influence their own fate with respect to water and the related issues. Therefore, this report focuses on the district of Pune and Pune City but only in the context of and in conjunction with the state of Maharashtra and to some extent India itself.

The taluka-level GIS database for Maharashtra, Karnataka and Madhya Pradesh, is a CD containing a GIS (Geographical Information System) database of the spread of and expenditure on watershed development programmes in 3 states of India, viz., Karnataka, Maharashtra and Madhya Pradesh.

To download the spreadsheet Click here