Category: Miscellaneous

12 Feb 2024 21:39

Joined:	10/12/2016
Level:	Diamond
Points:	109190

Points:	6

How to store and conserve precious rainwater?

Every year rains bring water to us but most of this water accumulates in rivers and then goes to the seas. Once it mixes with seawater then it becomes highly saline (30 grams/litre) and cannot be used for drinking purposes. Some rainwater is retained in the dams, ponds, and lakes but that is a very small percentage of the total rainwater and the rest is in a sense wasted draining into the seas.

What can be done to store more rainwater and not allow it to go to the seas? Some people advise for underground storage of water but there are practical difficulties in that, as ground does not absorb water even after drilling a well for it. Once the water starts going into underground layers due to fine silt they get choked and water stops going there.

Please share your ideas.

#776895

13 Feb 2024 15:18

Joined:	02/06/2009
Level:	Diamond
Points:	145594

Points:	5

Rainwater harvesting is a big topic. In Hyderabad when Chandrababu Naidu was the Chief Minister, he insisted that every multistoried structure should have one rainwater harvesting pit. I don't know what the position is now. Simply digging pits is not sufficient. We have to design it properly and see a strategic point; only we should make the soak pit in that place. If the area is big we can make canals around the land and we can divert the whole water into a tank so that it will get stored there for a long.
Earlier in the organisation in which I worked, a pond was made in a corner of the land (Total land is 200 acres) and the total rainwater is diverted into the pond through canals made around the land. We used to have water all 12 months and the groundwater level also increased.
I advise the author to go through the website of the Centre for Science and Environment ( https://www.cseindia.org/) so that she will get more details about rainwater harvesting.

drrao
always confident

#776899

13 Feb 2024 15:47

Joined:	20/01/2017
Level:	Diamond
Points:	25422

Points:	4

In old times there was a tradition of making ponds In the villages where rain water could be stored. During summer, villagers depended on that water. With the increasing population and urbanisation, villages changed into towns and those ponds disappeared from the scene. It is told that in Bangalore there were a large number of ponds and small water bodies which due to rapid urbanisation got filled with soil and afterwards most of the ponds were not there. Now the local administration is reviving them as ponds or lakes.
Anyway, rainwater conservation is the most important and priority matter today. Making multiple dams on the river course is required and if possible in every house the designing for rain water harvesting is to be included.

Thoughts exchanged is knowledge gained.

#776900

13 Feb 2024 17:30

Joined:	25/11/2014
Level:	Diamond
Points:	43292

Points:	5

Storage of water as practiced in the old days in the villages with the construction of wells to the proximity of their residents provided them enough water for their daily consumption. Moreover, the villagers had numerous ponds for the water conservation and they were paying adequate attention for its maintenance time to time and so they did not face any crisis.
However, due to the surge of the population, this area calls for multi pronged measures to conserve the water resources. At no point of time, water should be allowed to flow through the nozzle if the same is not used. Even this being the minor negligible would amount to colossal waste of water.
Rain water harvesting is the crucial area for the conservation of water. We need to dug up multiple canals near the area of the pond and the stored amount of water should be channelised to the pond periodically for its subsequent use.

How to store and conserve precious rainwater?

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