During the last decade the State drew up an ambitious strategy for creating a “state-wide drinking water grid” for bulk water transmission from sustainable sur- face water resources to water-scarce and poor water quality settlements. Large- scale infrastructure has been created which includes 1,987 km of bulk pipelines and more than 115,058 km of distribution pipelines; 10,781 hydraulic structures such as elevated storage reservoirs with a total capacity of 1,164 million litres and 10,683 storage sumps and high-level reservoirs with a capacity of 2,504.8 million litres have also been constructed in the State. Along with this, 151 water filtration and treatment plants with a total capacity of 2,750 million litres per day (MLD) have been constructed. About 2,250 MLD of treated water is delivered to more than 10,501 villages and 127 towns in the State, ensuring safe and reliable water supply to about 65 per cent of the State’s population in drought-prone and water quality-affected areas through the water supply grid.
Impacts
This major technological initiative has not only largely solved the drinking water problem but has also made a significant impact on the water quality problems faced earlier.
All these efforts have resulted in considerable relief from the problem of excessive fluoride contamination. According to a recent survey (table 1), only 987 habitations have been found to be affected and the range of fluoride content has also shrunk considerably.
Table 1: Status of fluoride-affected habitations
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