Suswa River: Water quality and pollution control initiatives

Last Modified: Fri Jun 26 2020 16:53:42 GMT+0530 (India Standard Time)
  • 190 kms
    Approximate length of the Suswa river which originates in the midst of the clayey depression near the source of the Asan, towards the East of the Asarori - Dehradun Road. Suswa river drains the Eastern part of Dehradun city and flows into river Ganga after merging with river Song.
  • 2
    Major urban settlements situated in catchment of the river - Dehradun and Doiwala. 11 villages are also located along the river - Mohamadpur, Badkali, Panduwala, Dhudhali, Kishanpur, Nagal, Bulandwala, Markhamgrant, Nagal Jwalapur, Simlasgrant, Gauhari Mafi, Pratoitnagar and Raiwala.
  • 2
    Major rivers - Rispana and Bindal - drain into the Suswa at Mothrawala. Both the rivers carry municipal drains of Dehradun city, so all effluents, waste and pollutants drained into these rivers eventually find their way into the Suswa.
  • 9.386 MLD
    Municipal wastewater that flows into river Rispana through 177 nalas and 2901 households outlets on both banks of river.
  • 18.14 MLD
    Municipal wastewater that flows into river Bindal.
  • 51
    Number of drains that discharge into the Suswa and the Song river that it meets before joining the Ganga. The river flows through the Rajaji Tiger Reserve forest area too.
  • 31 km
    Stretch of the river between Mothrawala (area where the Rispana and Bindal meet the Suswa) to Raiwala, which has been identified as polluted river stretch by the Central Pollution Control Board (CPCB) because of high concentration of BOD (>30mg/L). (Click/Tap for Water quality characteristics of Suswa River at Mothrawala [Aug 2019]).
  • 02 Apr 2017
    Laboratory analysis show water from the river remains highly toxic with particles of chromium, zinc, iron, lead, manganese, oil and grease. Such toxic water is very harmful for the soil, aquifers, human life, aquatic life, animals. Water samples collected by Society of Pollution and Environmental Conservation Scientists (SPECS).
  • Mar 2018
    Uttarakhand Human Rights Commission sends notices to the Dehradun Municipal Corporation and Water Supply Department asking them to help in conserving the rivers. The notices were sent in response to a petition filed in 2016 by villagers from Mothrowala, Dudhli, Nagal, Bundawala, Jwalapur, Jhandod and Markham Grant villages and SPECS.
  • May 2018
    10% to 15% rise in the presence of hazardous chemicals and pollutants reported by SPECS and Just Open Yourself (JOY). Around 24 samples, collected from 08 May to 19 May were found to contain heavy metal, oil and grease, fecal and non-fecal coliform.
  • Jun 2019
    ?% rise in the presence of hazardous chemicals and pollutants reported by SPECS and Just Open Yourself (JOY). Around ? samples, collected from ? to ?, were found to contain heavy metal, oil and grease, fecal and non-fecal coliform.
  • Jul 2019
    Action plan for restoration of water quality of polluted river stretch of Suswa river from Mothrawala to Raiwala submitted by the Uttarakhand Environment Protection and Pollution Control Board (UEPPCB), in pursuance to Hon’ble National Green Tribunal order dated 20.09.2018, 19.12.2018 and 08.04.2019.
  • 4
    Major causes of pollution: 1) Sewage and Municipal drainage of Dehradun city, 2) Industrial pollution, 3) Improper disposal of solid waste and 4) Agriculture runoff.
  • 51.42 MLD
    Sewage and municipal drainage from Dehradun city that finds its way in the Suswa.
  • 3.9 MTA
    Estimated hazardous waste generated from the catchment area, with some of it ending up in the river.
  • 541
    Estimated number of Health Care Facilities (HCFs) that operate in the catchment area. It is estimated that about 1595 Kg/day biomedical waste is generated from these healthcare facilities. Some of this biomedical waste has been found dumped along with municipal solid waste which eventually ends up in the river.
  • Rs. 8,471.76 lakhs
    Estimated cost of implementation of measures as mooted in action plan submitted to the NGT. Measures proposed to improve river water quality include interception, diversion and treatment of Rispana and Bindal rivers and other polluting drains, establishment of Solid waste processing and disposal facility for Doiwala, monitoring of STPs, prohibition on illegal disposal of waste in river beds, groundwater quality monitoring and recharge measures, plantation in catchment etc.