Home Today's Paper Most Popular Video Gallery Photo Gallery
Subscription Blog Signin Register
Logo
Tuesday, July 14, 2020 06:38:15 PM
Follow Us On: Facebook Twitter Twitter Twitter Twitter

Groundwater Excessive Use Is Destroying The Potential

By Zannatul Mouwa Naz
01st-Jul-2020       
Share
  • Twitter
  • Google+
  • Save
  • E-mail
  • Print
Comments
Share your thought
Post a comment »
Read all () »

Water resources are those sources of water that are essential for human regular use. The use of water is essential for all aspects of human life, including agriculture, industry, domestic use and environmental protection, and what is essential for all these uses is purified pure water. The three main sources of water are rain water, surface water and groundwater. Pollution occurs in all of these cases. Surface water is more sensitive or relatively easily affected than groundwater, since groundwater is naturally protected from surface activity. But the water is now increasing the risk of death due to multi-faceted pollution. People are suffering from various complex and deadly infectious diseases including diarrhea, cholera, jaundice, typhoid, hepatitis, kidney and liver due to drinking contaminated water. The crisis of pure water is manifesting day by day. In a developing country like Bangladesh, the situation is even direr.
About 98.5% of the world's water is saline and only 2.5% is pure. Two-thirds of this small amount of pure water is solid. Most of the remaining liquid water is groundwater and very little water is available in surface water bodies. Groundwater is more convenient and less polluting than surface water. So, it is usually used for public water supply. Groundwater, for example, is the largest source of usable water in the United States, and among all states, California draws the highest amount of groundwater per year. Groundwater reservoirs hold much more water than all lakes and reservoirs, including the Great Lakes in the United States. Most of the urban water supply is derived from groundwater.
About 100% of the rural people in Bangladesh depend on groundwater for drinking water. Even in urban areas, water supply is mainly dependent on groundwater. More than 7 percent of the total water supply in the capital Dhaka comes from groundwater, the rest comes from groundwater treatment. Groundwater is also widely used for irrigation. According to 1995 estimates, 82% of the total irrigation water is extracted from groundwater, which is a lot. According to a 1989 survey by the Master Planning Agency, Bangladesh has 2,565 crore cubic meters of groundwater reserves, of which 166 million cubic meters is not extractable. The remaining 90 crore cubic meters can be used for household and industrial production and a maximum of 1261 crore cubic meters for agriculture. According to a report by the World Health Organization, 2.5 million people die each year from waterborne diseases in developing countries. It is also said that there is a shortage of 100 million liters of pure water per day in the country. The capital needs 220 to 300 crore liters of water per day. Although about Tk 50 crore has been spent on groundwater in the last three decades, the provision of clean water has not been ensured. At present, about 32 million people across the country are suffering from water crisis every year. It is not possible to meet the daily demand of potable water in the country from groundwater. Due to unplanned water abstraction, the groundwater level is going down every year. As the water level goes down, harmful heavy metals and contaminants are coming up in the tube wells with the underground drinking water. As a result of drinking, people are constantly suffering from various diseases.
Every drop of water is an invaluable resource. Researchers say the water level is falling by about 10 feet every year. The amount of water that is being accumulated underground from the rivers and other reservoirs around the capital to fill this gap is much less than the extraction. Moreover, the toxic water of these water bodies which have been polluted for a long time is going down and polluting the first level of ground water. The second level is at risk. And although the third level is still safe, there are fears about the future. Meanwhile, researchers are noticing the presence of nitrate, sulphate, mercury, lead, arsenic and various organic particles in the first layer of groundwater in Dhaka city. Although the first level water is extracted from the pressure mill, the pure water is extracted from the third level through the second and deep tube well through the motorized shallow tube well. Scientists have been thinking about the issue of groundwater pollution. WASA authorities are not relieved. Officials see the protection of potable water as a challenge. The idea is that Dhaka could become uninhabitable in a few decades due to the lack of potable water if the rivers are not de-polluted.
Groundwater contamination occurs when contaminants mix with groundwater from the soil. This type of contamination can occur naturally due to the presence of small and unwanted substances, contaminants in the ground water, in which case it is better to refer to it as impurity rather than contamination.
Excessive use of groundwater lowers the water level, upsetting the balance in the natural environment or ecosystem. The direct problem is that as the water level continues to fall, the cost of pumping increases and the availability of water decreases, and even the risk of contamination of groundwater may increase. Second, the risk of landslides increases if excess water continues to be pumped from the ground. We all know about both types of risks. That is why the use of water from various surface sources is emphasized in all countries by reducing the use of groundwater. Dhaka WASA is also well aware of this. The agency has long said that the groundwater level in the capital, Dhaka, has dropped at an alarming rate, making the installation of deep tube wells at risk. Shortly after taking over as managing director of Dhaka WASA a decade ago in 2009, he told the media that steps would be taken to reduce the use of groundwater and increase the use of river water. It is necessary to take initiative to implement this directive at all levels of government and non-government. This will reduce the dependence on groundwater to some extent.
According to the IEDCR and CDC program sources of the Department of Health, water is increasing the risk of natural imbalances. As a result of rapid population growth and urbanization, residential areas, hat bazaars, roads, factories, sewerage centers are being built. Toxins such as metals, oily substances, lead, mercury, zinc and chromium are also released into rivers and seawater from sources such as oil tankers. In the last few years, liquid waste from the textile industry, leather industry, refineries, printing presses and large industries has been one of the causes of pollution. On the other hand, when villagers become aware of surface water pollution and start using tube well water, they are exposed to arsenic. In addition, the use of excess pesticides contaminates surface water. These pesticides contain nitrogen, potassium and phosphorus. Excessive use of pesticides poisons the water in the soil. The level of water pollution in urban areas has reached a critical level.
It is mandatory to set up a refinery or effluent treatment plant (ETP) with each industry. Excessive use of pesticides on agricultural land should be reduced. The government should take effective steps to conserve groundwater. At the same time, everyone should be careful not to throw garbage anywhere. Everyone needs to be motivated to throw dirt in a certain place. To prevent wastage of water, use as much as is needed. Keep in mind that groundwater is limited. In particular, dependence on groundwater in agriculture needs to be reduced. Care should be taken to collect rain water so that it can be used in future. Only then can we easily meet the demand for water and prevent groundwater pollution.
(Zannatul Mouwa Naz is a student, Environmental Science and Engineering, Jatiya Kabi Kazi Nazrul Islam University. Email: zannatnaz19@gmail.com).

Tariff
Add Rate

News Archive

Inside The New Nation

Editorial »

Five recommendations to attract investment, but who will act on them


BANGLADESH needs to make progress in five key areas in the coming days to attract both domestic and overseas investments, as per a report of a local daily on the recommendations at the third resurgent dialogue. The five factors will further facilitate investment, promoting greater coherence between trade and investment ...

City »

Movement for Safe Food and Consumers' Right, Bangladesh forms a human chain in front of the Jatiya Press Club on Monday to realize its various demands including exemplary punishment to those involved in giving fake corona report.


.

International »

21 injured after an explosion and fire on a naval ship in San Diego


CNN :Twenty-one people were injured after an explosion and fire on board a ship at the US Naval Base in San Diego, US Navy officials said."Seventeen Sailors and four civilians are being treated for non-life threatening injuries at a local hospital," the US Navy said in a statement.The sailors on ...

Entertainment »

Ashiq-Moumita Mou


Entertainment Report :Ashiq Chowdhury, hailed from Munshiganj, is working simultaneously in dramas and films. He has also fame as a mime and theatre actor. On the other hand, Moumita Mou, hailed from Manikganj, only worked in films. Earlier she acted in a drama titled Bhalolaga Bhalobasa directed by Taju Kamrul. ...

City »

Samajtantrik Chhatra Front forms a human chain in front of the Jatiya Press Club on Sunday demanding waiver of mees and house rent of students, stopping harassment by landlords and reduction of fees in school, college and other educational institutions.


.

Sports »

Mosaddek Hossain marries Umme Tamanna


Sports Reporter :Player of Bangladesh National Cricket team Mosaddek Hossain Saikat married Umme Tamana at Mymensingh on Friday last. Mosaddek, the promising all-rounder completed all the formalities of his marriage with a simple note. It is the promising all-rounder's second marriage. Mosaddek Hossain is an inhabitant of Mymensing, while Umme ...

Entertainment »

Mitali Mukherjee praises for Authi’s rendering style


Entertainment Report :Indian noted Ghazal singer Mitali Mukherjee was born in Mymensingh, Bangladesh. She often comes to Bangladesh to perform in stage shows. She lastly came to Bangladesh in last December to perform in reunion of Sylhet Cadet College. She has popularity among those people who talks in Bengali.  Khudey ...

Business & Economy »

Mahmudur Rahman, SEVP & Head of Noakhali Zone ofIslami Bank Bangladesh Limited, inaugurating its Dudmukha Bazar sub-branch under Boshurhat Branch of Noakhali recently. Mohammad Abdul Awal, Head of Boshurhat Branch of the bank and local elites were also present.


.

International »

Lives will be lost as Syria aid access cut, aid agencies warn


Reuters, Beirut :A U.N. Security Council resolution that leaves only one of two border crossings open for aid deliveries from Turkey into rebel-held northwestern Syria will cost lives and intensify the suffering of 1.3 million people living there, aid agencies said.Western states had pressed for aid access to continue through ...

Editorial »

When the ones highest in government don't regard law, don't blame DCs


A NATIONAL daily on Saturday reported that the Deputy Commissioners of nearly half of the country's 64 districts continue disregarding the government's directive to upload information on allocation and disbursement of relief and financial assistance on their respective websites. The Disaster Management and Relief Ministry has long been asking DCs ...

Health »

Hopeful RNA vaccine strategies in Covid-19 pandemic


Dr. Muhammad Torequl Islam :An injection of nucleic acids (e.g., RNA or DNA) into the experimental animals (e.g., mice) lead to the expression of some proteins encoded by the injected nucleic acid, suggesting a gene encoding a protein of a pathogen is necessary to create a vaccine. Both DNA and ...

International »

Meghan tries to stop her friends from being named in media lawsuit


CNN, London  :The battle between Meghan, Duchess of Sussex, and a top British tabloid is heating up.Meghan's legal team has filed an application seeking to prevent Associated Newspapers, the publisher of the Mail on Sunday, from publicly naming five friends who anonymously defended her against bullying in a US publication ...

International »

China's southern Jiangxi declares highest flood alert


Reuters, Beijing  :Jiangxi province in southern China issued its highest flood warning on Saturday, predicting a big overflow from a lake on the Yangtze River as torrential rain continues to batter much of the country, state media said. The Jiangxi government raised its flood-control response level to I from II, ...

Cricket »

Ben Stokes second fastest to reach 4000 runs and 150 wickets in Test cricket


England all-rounder and stand-in captain for the Southampton Test Ben Stokes became the second-fastest Test Cricketer to reach the milestone of 4000 Test runs and 150 Test wickets under his belt. The New Zealand-born cricketer achieved the historic feat while batting on Day 3 when he scalped Alzarri Joseph's wicket. ...

Entertainment »

Urvashi Rautela is promoting her film Virgin Bhanupriya


The trend of the digital release of films the due to shut down of theatres is no doubt affecting the entertainment business very badly but filmmakers and artists are trying their best to promote their projects on social media with their fans. Urvashi Rautela, a crowned Miss Diva Universe 2015 ...

 
Items that you save may be read at any time on your computer, iPad, iPhone or Android devices.
 
Are you new to our website? Do you have already an account at our website?
Create An Account Log in here
Email this news to a friend or like someone
Email:
Write a comment to this news