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Question raised in Rajya Sabha on quality of drinking water, 24/11/2014.

Of all the clean water that our cities consume, roughly half of it flows down our sewers to sewage treatment plants where it is treated and released back to the environment.

Planning for drinking water security in the Gram Panchayat, which includes measures for conservation, protection and augmentation of sources, quality surveillance and operations and maintenance, would help overcome drinking water scarcity and improve the health status of the people.

Physicochemical investigation of water from public water supply schemes was carried out with the objective of assessing its potabiliy for drinking purpose. It was observed that, lowest BOD value of 5.3 mg/L and highest BOD value of 8.1 mg/L where as the lowest COD of 75.3 mg/L and highest COD of 112.30mg/L.. DO ranged from 3.4 to 6.3 mg/L. Electrical Conductivity was from 578 to 710 umho/cms which is below the permissible limit. The total hardness was from 33.89 to 20.99 mg/l, pH was acidic to mild alkaline. The Suspended solids and total dissolved solids were within permissible limit.

Established causes of diabetes do not fully explain the present epidemic. High-level arsenic exposure has been implicated in diabetes risk, but the effect of low-level arsenic exposure in drinking water remains unclear. The researchers sought to determine whether long-term exposure to low-level arsenic in drinking water in Denmark is associated with an increased risk of diabetes using a large prospective cohort.

ONGOLE: After fluoride, it has been found that ground water in 46 villages under Peddacherlapallil, Chandrasekhara Puram and Chimakurthy mandals in Prakasam district contains uranium.

The objective of the study was to assess the extent of arsenic contamination of groundwater and surface water in Peru and, to evaluate the accuracy of the Arsenic Econo-Quick™ (EQ) kit for measuring water arsenic concentrations in the field.

Original Source

6.1 per cent households source their drinking water from untreated sources: report.

Rapid pace urbanisation in Bangalore is causing serious problems with respect to provision of basic amenities such as safe drinking water supply. EMPRI has done an exhaustive study to find out the main issues pertaining to water supply system and has suggested solutions for the same.

This 69th round of NSSO survey (July 2012 – December 2012) on drinking water, sanitation, hygiene and housing condition presents a bleak picture of sanitation and hygiene conditions in the rural areas.The last survey on these subjects was undertaken in the 65th round of NSS (July 2008- June 2009).