New Delhi, May 29 -- As availability of raw water in Capital extends another day, a look at data from the Comptroller and Auditor General (CAG) of India report tabled in the Delhi Assembly in March, shows that this is a persisting issue at the Wazirabad barrage. The report, "Functioning of the Delhi Jal Board," said water levels at the barrage stays below the designated level for 494 days or 27% of the annual cycle between 2017-22 - mostly during the summer season.

Despite several legal and political battles over the issue between Delhi and Haryana, no permanent solution has been found. In its report, CAG notes that, for the smooth functioning of the city's biggest water treatment plants (WTPs) at Wazirabad and Chandrawal, the Haryana go...