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 …

Assessment, evaluation and treatment of municipal solid leachate under Indian scenario

The general concept behind this dissertation work is municipal solid waste management. Solid wastes and its composites affect the environment in several ways. And the major problems to be considered are the generation of leachate from solid waste dumping sites, which affects the groundwater aquifers.

Rise in Gangas pollution levels gets alarming

Following an uproar in the Uttarakhand assembly over rising pollution levels in the Ganga in Haridwar, Dehradun-based People

Monitoring of well water quality around Rajaula village, Chitrakoot, Satna-A case study

Physico-chemical and biological monitoring of groundwater samples of various wells situated near Rajaula village, Chitrakoot (Satna) Madhya Pradesh was carried out.

Hydrochemical analysis of groundwater of BHEL industrial area of Bhopal city

In the present study, analysis of groundwater of BHEL industrial area of Bhopal has been done in winter, summer and monsoon season for one year (2007-08) at different sampling stations selected for this study. Two readings of sample has been observed and analysed to check the water quality index (WQI).

Water quality assessmenty: Five stations of river Damodar and one station of river Nalkari of South Karanpura coalfield

Studies on physico-chemical parameters of underground mine water, OCP direct discharge water and sump water of Urimari, Sayal 'D' Block, Khas Karanpura area and Bhurkunda area of South Karanpura Coalfield of Central Coalfields Limited, a subsidiary of Coal India Limited were carried out in 2004-05 and 2005-06 in all the …

Status paper on river Ganga: state of environment and water quality

The status paper on Ganga by the Ministry of Environment. Provides a critical analysis of GAP & says that river water quality has improved at many locations however, the critical parameters of water quality, which affect human health, exceed the prescribed standard limits at major locations. Rapidly increasing population, rising …

Fish come to surface as level of oxygen drops

LUCKNOW: Fish once again swam to the surface in a desperate attempt to get air, near Kudiaghat, as levels of dissolved oxygen in the particular stretch of river plunged drastically sending officials of UP Pollution Control Board (UPPCB) into a tizzy on Monday. Eye-witnesses said that scores of fish came …

Institutions directed to stop release of untreated waste into nullah

The Goa Pollution Control Board has finally cracked a whip against institutions to arrest the pollution of River Sal. In two separate orders, the pollution Control Board has directed the managements of Konkan Railway and Ms Apollo Victor Hospitals to immediately stop the release of untreated waste water in the …

4 treatment plants to make it zero discharge city

The Noida Jal Nigam has proposed to install four new sewerage treatment plants (STP) with upgraded technology at the cost of Rs 150 crore. In the Master Plan 2021, the installation of STPs would not only ensure good environment but would also ensure better quality of treated water, which can …

Work does not meet standard: Plan panel

Rashme Sehgal July 1: The Ganga remains in drastic need for a resuscitation. The Planning Commission has prepared a report on the water quality data of the river for 2008-2009 and found that despite crores being pumped in to revive the river, its biological oxygen demand (BOD) fails to meet …

Growth and decay of water hyacinth in lakes-change in lake water quality and accumulation of organic matter

Water hyacinth growing in the lakes absorbs the nutrients (phosphorous, nitrogen) being released to the lake water from untreated sewage discharged in the lake, for their growth and reduces the nutrient concentration in the lake water. After a period of time these plants sink to the bottom of lakebed and …

Rapid assessment of Kodaikanal lake

Kodaikanal Lake which forms the heart of the resort is a star shaped lake, covering an area of about 24 hectares. Kodaikanal Lake was created in 1863 by Sir Hendry Levinge. The objectives of this study is to assess the physico-chemical and biological quality of the Kodaikanal lake and to …

Mallathalli lake: Low DO levels confirmed

A sample study of the water collected by the Karnataka Pollution Control Board (KPCB) at the Mallathalli Lake on Saturday has revealed low Dissolved Oxygen levels (DO). Out of the four samples collected by KPCB at different corners of the lake, where a lakh fish had died, two samples were …

Stories float on fish kill in lake

The Mallathahalli lake, where about a lakh fish were found dead over the last four days, was cleared of the waste on Saturday by the Bruhat Bangalore Mahanagara Palike (BBMP). Water samples were collected from different parts of the lake and sent for tests, the results of which would be …

100 tonnes of fish on brink of death

Coimbatore Water level plummets to 15 ft as against full capacity of 55 ft AS the fishes in Amaravathy dam near Udumalpet are dying due to lack of oxygen and pollution following dip in the water level, five departments - Fisheries, Forest, Health, Public Works Department (PWD) and Tamil Nadu …

UPPCB determining Gomti's water quality

The Uttar Pradesh Pollution Control Board (UPPCB) on Monday sent a team to collect river water from Gomti barrage to find out its dissolved oxygen level. The step was taken after largescale death of fish was reported recently in the water stretch. UPPCB CEO DC Gupta said the dissolved oxygen …

Performance evaluation of anaerobic single baffled reactor as alternative to existing onsite sewage treatment for Lakshadweep Is

Recent study on ground water quality in Lakshadweep Islands shows that groundwater in these islands are mainly contaminated by domestic sewage and sea water intrusion. Contamination by domestic sewage is attributed to tank used by the islanders for sewage disposal. In the present study, an Anaerobic Single Baffled Reactor is …

Water quality for ecosystem and human health

The purpose of the new edition is to introduce the basic concepts of water quality and how it is related to ecosystem and human health; and to present an overview and assessments of current and upcoming global water quality issues with examples from around the world. It also includes a …

Recovery of better quality reusable salt from soak liquor of tanneries in solar evaporation pans

The segregation, collection and disposal of saline wastewater streams into solar evaporation are practiced in tanneries to minimize the Total Dissolved Solids (TDS)and Chlorides in the treated effluent and to protect the environment. The wastewater generated from the soaking operation contains soluble proteins such as albumin & globulin and suspended …

Sewage in Sankey tank: 200 fish die

The flora and fauna of Sankey Tank have been deteriorating rapidly in the last three months due to sewage flooding the tank from surrounding areas. It is estimated that 200 fish have died there and the influx of migrating birds had reduced considerably. The members of the Sankey Park Walkers …

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