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Capacity Of India’s Sewage Treatment Plants

Capacity Of India’s Sewage Treatment Plants:

According to the latest report of the Central Pollution Control Board (CPCB), Sewage Treatment Plants (STPs) in India are able to treat a little more than a third of the sewage generated per day.

  • CPCB is a statutory organisation which was constituted in September, 1974 under the Water (Prevention and Control of Pollution) Act, 1974.

Highlights of the Report:

  • India generated 72,368 MLD (million litres per day) whereas the installed capacity of STPs was 31,841 MLD (43.9%).
  • 5 states and Union Territories (UT) – Maharashtra, Gujarat, Uttar Pradesh, Delhi and Karnataka – account for 60% of the total installed treatment capacity of the country.
  • Arunachal Pradesh, Andaman & Nicobar Islands, Lakshadweep, Manipur, Meghalaya and Nagaland have not installed sewage treatment plants.
  • Chandigarh ranks first in terms of total sewage generated to what is actually treated.
  • Reuse of Treated Sewage:
    • It is maximum in Haryana followed by Puducherry, Delhi, Chandigarh.
    • It has not assumed much importance in the policy planning of many state governments.
    • Treated sewage water can be reused for horticulture, irrigation, washing activities (road, vehicles and trains), fire-fighting, industrial cooling, toilet flushing and gardening.
    • This can decrease the water demand from aquatic sources like rivers, ponds, lakes and as well as groundwater