Biological Oxygen Demand (BOD)

Order of the National Green Tribunal regarding pollution of Godavari river, Telangana, 29/05/2025

Order of the National Green Tribunal in the matter of News Item titled "Telangana: Deepening pollution crisis in Godawari threatens lives livelihoods appearing in the Telangana Today dated 13.05.2025" dated 29/05/2025. The application was registered suo-motu on the basis of the news item titled Telangana: Deepening pollution crisis in Godawari …

Report unveils poison rivers - Jharkhand fares miserably in CAG water audit

Ranchi, Jan. 15: A first-ever water pollution audit carried out by the Comptroller and Auditor General (CAG) has pegged Jharkhand at the bottom of the performance chart with most river conservation projects lying incomplete in the state. According to the report, Performance Audit of Water Pollution in India, the Ganga, …

Churning still water: a briefing paper on the state of urban waterbodies, conservation and management in India

In this new briefing paper Centre for Science and Environment (CSE) focuses on state of waterbodies, conservation and management in India and provides a review of the existing policies, acts and laws to tackle loss of urban water bodies. Urban waterbodies play an important role in flood control, groundwater recharge …

Yamuna clean-up: Interceptor project launched

New Delhi: The ambitious interceptor sewage project that is being pitched as the ultimate solution to the Yamuna’s filth was finally inaugurated on Thursday. Work is expected to begin on Friday but the system, that entails construction of parallel channels along the three main drains in the city – Najafgarh, …

Vaitarna among most polluted rivers in state

Vaitarna among most polluted rivers in state Clara Lewis, TNN | Dec 23, 2011, 06.22AM IST MUMBAI: Vaitarna, which provides drinking water to Mumbai, is among the most polluted rivers in Maharashtra. The only solace for Mumbaikars is that the BMC has one of the finest water treatment plants in …

CCEA okays Phase-III of Yamuna clean-up

The Cabinet Committee on Economic Affairs on Thursday gave the green signal to the proposed third phase of cleaning the 22-km stretch of Yamuna river passing through Delhi. The Japan International Cooperation Agency (JICA)-assisted Yamuna Action Plan (YAP) Phase III project in Delhi was approved under the Centrally sponsored scheme …

Status of water quality in India - 2010

The water quality data on rivers, lakes, ponds, tanks and groundwater locations being monitored under the network is evaluated against the water quality criteria and the monitoring locations in exceedence with respect to one or more parameters are identified as polluted and require action for restoration of water quality. The …

Wetlands for water quality management: the science and technology

This paper examines the use of constructed wetlands for water purification. The introduction begins witha brief overview of wetlands: their nature and services offered. These wetlands are ecoststems with water that is static or flowing and characerized by emergent , floating and submerged aquatic vegetation. Some of the services provided …

Darkling waters

The Bagmati loses its way in Kathmandu amid political vacuum and urban chaos. The chaos and urban sprawl of today’s Kathmandu have taken a serious toll on the stretch of the Bagmati and its tributaries that meet in the city. In the absence of clear guidelines regulating river water use …

Benthasludge stabilization in the river Ganga at Kanpur

Field observations conducted at Kanpur, to analyze the ration of biochemical oxygen demand (BOD) contributions by benthasludge to the overlaying waters of the river Ganga were presented in part 1 of this paper. This data was later correlated to the data obtained under different conditions of operating and process variables …

Urban sewage water recycling through aquaculture

Production of fish in any culture system depends to a great extent on water quality management.

Water quality hot-spots in rivers of India

This new CWC report provides the water quality scenario of our rivers viz-a-viz BIS and other Standards. It is based on the average values obsercec during 2001-2011 at 371 monitoring stations of CWC on almost all major, medium and minor rivers in India. This report by the Central Water Commission …

Polluted river stretches in India: criteria and status

CPCB is monitoring the water quality in India under National Water Quality Monitoring Programme. The present monitoring network comprises of 1429 stations in 27 States and 6 Union Territories spread over the country. The monitoring network covers 293 Rivers (810 stations), 94 Lakes (102 stations), 9 Tanks, 41 Ponds, 15 …

Guide manual: water and wastewater analysis

This document “Guide Manual: Water and Wastewater Analysis” is to cater the need of evolving a simplified code of practice for the laboratories engaged in carrying out water quality assessment under Hydrology Project -II. Development and proper use of such a manual by concerned laboratories brings homogeneity for ensuring quality …

Report on pollution problem of river ghaggar

Pursuant to the decisions taken in the meeting held on August 19, 2009 chaired by the Secretary, Cabinet Coordination, Rashtrapati Bhawan, New Delhi and communication received from the Joint Secretary, Ministry of Environment and Forests (MoEF), Shri Rajiv Guaba, for conducting a detailed field investigation on the issue of Pollution …

The STP guide: design, operation and maintenance

Karnataka State Pollution Control Board has come with Sewage Treatment Guidebook in the interest of general public. This guidebook takes the reader through the various units, operations and processes in a typical Extended Aeration Biological Treatment Plant.

Gentle on critical pollution

Over a year ago, the Union Ministry of Environment and Forests (MoEF) undertook an exercise to assess pollution levels in some of the highly polluted industrial areas of India. It then released a list of 43 most polluted areas, terming them critically polluted, and imposed a moratorium on their expansion. …

Green technology to tackle water pollution

Jairam launches Buddah Nallah clean-up project in Punjab Union Minister for Environment and Forests Jairam Ramesh has launched a

Impact of Ganesh idol immersion activities on the water quality of Tapi River, Surat (Gujarat) India

In this paper the impact of Ganesh idol immersion on water quality of Tapi River is discussed, for this purpose Ashwanikumar immersion point (Ovara) was selected as sampling station because large number of Ganesh idols immersed on this Ghat of Tapi River. Water samples were collected at morning hours during …

Pollution levels of coastal water resources and the socio-economic effects on Iko communities in Akwa Ibom state

This study examined the pollution levels in the coastal water resources and its socio-economic effects on the Iko Group of Communities. Water samples were collected from 19 locations and analyzed while socio-economic data were collected using questionnaire. The input data from laboratory analysis were correlated with socio-economic data using correlation …

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