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  Metros   Mumbai  25 Jan 2020  Water quality of Mithi ‘bad to very bad’

Water quality of Mithi ‘bad to very bad’

THE ASIAN AGE.
Published : Jan 25, 2020, 5:42 am IST
Updated : Jan 25, 2020, 5:42 am IST

The major contamination in the Mithi is due to excess faecal coliform.

File picture of Mithi river.
 File picture of Mithi river.

Mumbai: Despite the Maharashtra Pollution Control Board’s (MPCB’s) earlier claim of curbing pollution in the Mithi River, the state of the river still remains deplorable. According to the latest MPCB data, the water quality index of the Mithi has dipped to 30 which comes in the “bad to very bad” category.

The major contamination in the Mithi is due to excess faecal coliform, an indicator of the presence of human or animal excreta, which was recorded at 17000MPN/100ml in December 2019 and is 170 times the standard limit of 100MPN/100ml. The BOD level — an indicator of low oxygen in the water for aquatic life — was recorded at 9mg/l during the same period. In December 2018, the faecal content in Mithi was recorded at 920MPN/100ml.

“While the BOD and COD levels in the Mithi have improved, the faecal content has been found to be in excess due to the release of untreated sewage water into the river. Also, apart from December, the river condition has shown improvement in the previous months last year,” said a MPCB official.

Apart from the Mithi, seawater at Charni Road Chowpatty, Haji Ali and Juhu beach recorded a quality level of 50 which comes under the “bad” category. The MPCB monitored the quality of seawater and river stretches at 11 locations, out of which none were recorded as “good” (Above 63) WQI.

Tags: mithi river, mpcb