Arsenic

Report by the Central Groundwater Authority on the presence of arsenic and fluoride in India, 18/11/2024

Report by the Central Groundwater Authority in the matter of Suo Moto arsenic found in groundwater in 25 states dated November 18, 2024. When the matter was listed before the NGT, August 7, 2024, wherein CGWA stated that the reports from seven states/UTs namely Maharashtra, Nagaland, Jharkhand, Tripura, Gujarat, Odisha …

An overview of arsenic in groundwater: Tamil Nadu

An attempt has been made to estimate the presence of heavy metal Arsenic in groundwater in the state of Tamil Nadu recently. Now-a-days the heavy metal Arsenic poses a health risk problem throughout the world. Arsenic may be found in water which has flowed through arsenic-rich rocks. Severe health effects …

Biotechnology applications to environmental remediation in resource exploitation

This article describes biotechnological modes, updated in terms of environmental remediation while exploiting natural resources. Modern biotechnology embraces not only the principles of using various organisms but also the techniques of doing so. Both the aspects are dealt with in detail. Removal of arsenic from aquifer is also discussed as …

Arsenic groundwater contamination in parts of middle Ganga plain, Bihar

The middle and upper Ganga plains covering the upstream part from Rajmahal Hills, were earlier considered to be free from arsenic groundwater contamination. Initially, the contamination (>0.05 mg/l) was reported in 2002 from two villages, Bariswan and Simaria Ojhapatti of Bhojpur district of Bihar. Studies by the Central Ground Water …

Arsenic in water, experts question Narela housing plan

Ignoring the presence of a high level of toxic metals in the groundwater in Narela Industrial area, the Delhi government has initiated a housing project there, risking the health of prospective occupants, an expert panel has said. Taking serious note of the matter, the State Expert Appraisal Committee (SEAC) has …

Urine arsenic concentrations and species excretion patterns in American Indian communities over a 10-year period

Arsenic exposure in drinking water disproportionately affects small communities in some U.S. regions, including American Indian communities. In U.S. adults with no seafood intake, median total urine arsenic is 3.4

Peru Must Pick Job Losses Or Pollution At Smelter

Thousands of workers are demanding Peru's government save their jobs at a shuttered metals smelter high in the Andes, even if it means delaying a cleanup at the plant that has turned their town into one of the most polluted places on earth. "We don't want the plant to close, …

Challenges of sustainable water quality management in rural India

This article discusses the various components that impact effective water quality management in rural India. Experience suggests that redesigning of data management programme at village, district and at national level, upgradation of district-level laboratories and addressing technical, legal and institutional components should become the first steps in achieving effective water-quality …

Seven lakh people uses arsenic contaminated water in Chandpur

At least 80 percent people in rural areas of the district are drinking arsenic contaminant water. For this reason a panic have been created among the people in four upazilas of the district. According to Public Health Engineering Department (PHED), Chandpur office sources high percentage of arsenic contaminants have been …

Barind region facing imminent natural disaster

The very old proverb 'Barind is a land whose name is written in water' seems to be true to its alphabets as without water, the existence of the vast Barind region under greater Rajshahi districts (Rajshahi, Chapainawabganj, Naogaon and Natore) is going to become extinct. A field survey conducted by …

Presence of arsenic in groundwater in 3 states

PRAMOD KUMAR Arsenic contamination in groundwater has been reported from some parts of 28 districts of Uttar Pradesh, 15 districts of Bihar and certain districts of West Bengal in the country. The Union minister of state for water resources Vincent H. Pala in a reply to a question in Parliament …

Continue effort to ensure safe drinking water

Bangladesh needs to scale up measures for ensuring access to safe (arsenic and pathogen free) drinking water to achieve the Millennium Development Goals in water supply and sanitation by 2015. To shift rural and small town households from arsenic contaminated tube wells towards safe water sources the government undertook a …

Grameen Veolia launches water treatment plant at Goalmari

Grameen Veolia Water Ltd. launched its first water treatment plant at Goalmari village in Daudkandi, Comilla, on Wednesday. Health Minister Dr AFM Ruhul Haque inaugurated the plant as the chief guest. Nobel laureate Prof Muhammad Yunus, chairman of Grameen Veolia Water Ltd, Subed Ali Bhuiyan MP and Antoine Frerot, CEO …

Dead fish float in river, arsenic plants shut

Malda, May 25: The public health engineering (PHE) department has shut down its two arsenic treatment plants at Mathurapur and Kahala near Manikchak as fish have started dying in the Phulhar river. The PHE authorities are clueless why the fish are dying in the river. People living close to the …

Thakurgaon shallow tube wells do not pump water as water level gone down

The underground water-level in Thakurgaon and nearby areas have gone down following unplanned lifting of water by deep and shall tube wells to irrigate crop lands. As a result, now the shallow tube wells are even not pumping out waters. The irrigation network in the region is totally dependent on …

Low dose arsenic compromises the immune response to influenza A infection in vivo

Exposure to arsenic-contaminated drinking water reduces immunity to the influenza subtype that includes swine flu, researchers have found.

Status of groundwater arsenic contamination in the state of West Bengal, India: A 20-year study report

The 20-year study report on status of groundwater arsenic contamination in West Bengal by Jadavpur University, based on the analysis of water samples from tube wells in all 19 districts of West Bengal. Groundwater in nine highly affected districts had arsenic at concentrations of 300 lg/L and above. Since 1988 …

Iron out arsenic

With iron oxide nanoparticles The millions of arsenic victims living in Bangladesh and India have another option for obtaining clean drinking water. Finely divided iron oxide nanoparticles (ionps) can remove arsenic from contaminated water. Iron-containing compounds have been used in purifying groundwater. By the property of adsorption, arsenic can bind …

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