Quality of water ppt

Waterquality criteria 17 waterquality criteria under the authority of the safe drinking water act in 1974, the usepa established a public drinking water system program. A study was conducted to evaluate the quality of drinking water of the valley. Department of agriculture usda prohibits discrimination in all. Physical water quality testing parameters turbidity. Download free water powerpoint templates to plan your next canoe journey.

It is more important than physical and chemical parameters in term of direct effect on human health. People need clean water and sanitation to maintain their health and dignity. Water pollution is the impure or unclean state of all water bodies like lakes, rivers, groundwater, aquifers, and oceans. At the end of the day, water quality monitoring is an essential part of keeping the planet healthy and sustainable. Water quality water quality is a term used to describe the chemical, biological, and physical characteristics of water. The turbidity is measured by a turbidity rod or by a turbidity meter with optical observations and is expressed as the amount of suspended. The as sessment for a specific water use is based on the availability of da set of limits for each water quality property selected, 2 a.

Balasubramanian centre for advanced studies in earth science. Rather, the focus is on data literacy as much as science, and the lessons are intended to help achieve important crosscurricular connections between science and mathematics. The first water quality testing which i am going to write for you is turbidity. The parameters which determine the irrigation water quality are divided to three categories.

Land based activities can have a huge impact on water. Water resources an environmental science series the water molecule water. Ppt water resources powerpoint presentation free to. Since water quality in any source of water and at the point of use, can change with time and other factors, continuous monitoring of water is essential. Technical terms bis bureau of indian standards desirable limits. The water quality of the surface water becomes bad as soon as the river reaches human settlements. The quality of water is equally important than quantity. Irrigated agriculture is dependent on an adequate water supply of usable quality. Jul 24, 2015 after a great success of my previous ppt i just created a new 1 with my own animations. Water quality is not simply good or bad, but usually is applied to its allotted use. Parameters of water quality interpretation and standards published by the environmental protection agency, ireland. The quality of water, whether used for drinking, domestic purposes, food production or recreational purposes has an important impact on health.

Biological parameters of water quality biological characteristics of water. Characterisation of water bodies water bodies can be fully characterised by the three major components. Characteristics of water physical, chemical and biological. Filtered water can increase productivity of pesticide performance, provide highquality drinking water for animals and increase the overall health of plants. Published by the environmental protection agency, ireland. The extraordinary properties of water buffers weak acids or bases that react with strong acids or bases to prevent sharp, sudden changes in ph neutralization. Attaran river was good characteristics than thanlwin river. Inorganic compounds such as clay, sand organic compounds such as plant fibre, human. In typical usage, water refersonly to its liquid form or state, but the substance also has a solidstate ice, and a gaseous state water vapor or steam. Water is an essential resource for human activities and socioeconomic development and water quality in urban settings has important implications for human and environmental health. Unless youre a fish, you cant tell whether the water quality is optimal by just looking at the water or even the fish. Some pathogenic parasites are entamoeba histolytica, giardia, balantidium coli, etc.

Download sources of water ppt power point presentation pdf. It is ameasure of the condition of water relative tothe requirements of one or more bioticspecies and or to any human need orpurpose. I always can tell loudly that i am currently drinking best quality water, getting deto. The ph of water measures its hydrogen ion concentration and indicates whether the sample is acidic, neutral or basic. Water quality objectives the overall goals of water quality regulation are to protect and maintain thriving aquatic ecosystems and the resources those systems provide to society and to accomplish these in an economically and socially sound manner. As well, salinity influences the kinds of plants that will grow either in a water body, or on land fed by a water or by a groundwater. Chapter 1 an introduction to water quality this chapter was prepared by m. National water quality handbook trade names mentioned are for specific information and do not constitute a guarantee or warranty of the product by the department of agriculture or an endorsement by the department over other products not mentioned. Water quality tests will give information about the health of the waterway.

The environmental protection agency cannot accept any responsibility. Drinking water health advisories for pfoa and pfos us epa. Alternatively, there are plenty of safety measures to be taken to treat waterborne diseases with free water ppt backgrounds. Jeff mention the presence of dead zones when talking about water quality. The water cycle the water cycle is a great place to start teaching kids how rain is connected to stormwater, streams, rivers, lakes and even the water in our homes. By testing water over a period of time, the changes in the quality of the water can be seen. Certain human activities can produce brackish water, in particular certain civil engineering projects such as dikes and the flooding of coastal marshland to produce. Drinking water quality assessment in kathmandu valley has always been crucial with reference to public health importance. The details of stations and sample test results are shown in table 5. This paper presents a smart water quality monitoring system swqms which has been developed and deployed in. If you keep the ice in a warm place, it will change into water. Classification of dissolvedclassification of dissolved constituents. Drinking water quality standards a short writeup by bis.

Appreciate your questionmy inputs are as below we can consider demineralized water as dead water, while mineralrich water is referred to as living water. Water pollution is the impure or unclean state of all water bodies like lakes, rivers, groundwater. Chapter 2 water quality this chapter was prepared by m. Jul 22, 2018 drinking water should be free from disease causing parasites. Under the safe drinking water act and the 1986 amendments, both. The united states has one of the safest water supplies in the world. Hydrodynamic features all freshwater bodies are interconnected, from the atmosphere to the sea, via the hydrological cycle. It is a measure of the condition of water relative to the requirements of one or more biotic species and or to any human need or purpose. Three forms of water when cooled when heated when frozen when heated when water is heated, it into steam changes or water water vapour. Water quality standards are adopted by states to protect.

Water quality is the physical, chemical andbiological characteristics of water. Water quality determines to a great extent the success or failure of a fish cultural operation water is an inevitable medium for aqua farming, hence its quality has assumed a key role in. Stoner abstract waterquality indices were developed to assess waters for two specific uses public water supply and irrigation. Although every effort has been made to ensure the accuracy of the material contained in this publication complete accuracy cannot be guaranteed. Laminate this picture of the water cycle for young ones and turn it into a placemat to create a dinner conversation piece.

A water filter is used to help remove unwanted things such as contaminants or impurities from water that people drink. Water pollution powerpoint templates w water pollution. Water quality for aquaculturists refers to the quality of water that enables successful propagation of the desired organisms. Chemical characteristics involve parameters such as ph and dissolved oxygen. Brown, georgia institute of technology melissa lapsa, oak ridge national laboratory isha sharma, oak ridge national laboratory james bradbury, department of energy. Sumit thakur uncategorized download sources of water ppt power point presentation pdf. Guidelines for drinkingwater quality world health organization. Groundwater quality and protection defining strategies and setting priorities who should promote groundwater pollution protection.

In spite of absence of a globally accepted composite index of water quality, some countries have used and are using aggregated water quality data in the development of water quality indices. Malkki water quality is a term used here to express the suitability of water to sustain various uses or processes. Produced naturally by the body to maintain homeostasis weak acid weak base 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 water a water molecule h2o, is made up of three atoms. Water quality assessment provides the base line information on water safety. Environmental scientists work to understandhow these. Megacities are facing serious water pollution problems due to urbanization, rapid population growth and economic development. Waterquality indices for specific water uses by jerry d. Best powerpoint templates download your favorites today.

Indian standard for drinking water as per bis specifications is 105001991 a presentation by arghyam. When kept in the freezer of a refrigerator, water will change into solid ice. Some basic water quality measurements include ph, acidity, alkalinity, electrical conductivity, and water hardness. Geological survey highlights the importanceof monitoring water quality to better protect human health and the environment w. Even if present in huge amounts, we can not use salt water in many life support activities. Since most ground water is colorless, odorless, and without specific taste, we are typically most concerned with its chemical and biological qualities. The technical bases of the regions water quality objectives include extensive biological, chemical, and physical partitioning information reported in the scientific literature, national water quality criteria, studies conducted by other agencies, and information gained from local environmental and discharge monitoring as described in chapter 6. The extraordinary properties of water biology junction. Water quality refers to the chemical, physical, biological, and radiological characteristics of water. Water quality assessment in terms of water quality index. However, wqi depicts the composite influence of different water quality parameters and communicates water quality information to the public and legislative decision makers.

Although spring water or groundwater products are often sold as pure, their water quality is different from that of pure water. Environmental water quality, also calledambient water quality, relates to water bodiessuch as lakes, rivers, and oceans. Water pollution power point presentation at present, water scarcity is a global difficulty in a world because many countries are suffering from this difficulty as many freshwater bodies, oceans and seas are polluted by humankind. Although many of the basic concepts of salinity control and dealing with poor quality water remain the same, new data and experience have prompted us to revise the 1976 paper in order to keep the user uptodate. Irrigation water quality standards and salinity management. Any particular use will have certain requirements for the physical, chemical or. In the uk, good quality water is the expected norm more than 99. Give a talk on marine life with free water powerpoint templates. Water quality and water quality management in aquaculture. The raw treated water can be checked and analysed by studying and testing these characteristics as explained below. Urbanization and lack of sewerage has left the water in jakarta, indonesia in a heavily. Total dissolved solids ppm 1,00,000 hypersaline or brine 21. Hot spots areas of surface water quality were assessed by province using dissolved oxygen do and biochemical oxygen demand bod as. It is a measure of the condition of water relative to the requirements of one or more biotic species, or to any human need or purpose.

Water quality and health strategy 202020 pdf, 531kb. Physical properties of water quality include temperature and turbidity. Air quality, water quality, land use and environmental justice emanuele massetti, georgia institute of technology marilyn a. Water filters help ensure that water quality is good before water is consumed. There is a strong relationship between the quality of the water in the pond and that in the water surrounding environment. Water quality for agriculture was first published in 1976 as irrigation and drainage paper 29. Contamination by crossconnections with nonpotable water, contaminated water entering the distribution system through leaking pipes in an area of low pressure, or microbial. Water quality is affected by a wide range of natural and human influences. The state of south dakota received usepa approval to administer their own drinking water program in 1984. The most important of the natural influences are geological, hydrological and climatic, since these affect the quantity and the quality of water available. Presentations are available on themes, as diverse as umbrella beach, seaworld, and surfing. Water quality testing and parameters analysisphysical and. On an average, each person in a developed country uses about 260 litres of water a day in the home. Adjusting the amount of carbon dioxide stripped by the degassing system will control the systems ph.

Having better water and sanitation is essential in breaking the cycle of poverty. Thus water constitutes a continuum, with different stages ranging. A free powerpoint ppt presentation displayed as a flash slide show on id. Water quality standards indian standard for drinking water specification is 10500. Water quality 1 water quality indicators 2 units for measuring water quality 3 parts per million most dissolved substances found in water are measured in parts per million ppm or even smaller amounts. In the setting of standards, agencies makepolitical and technicalscientific decisionsabout how.

Salinity is an ecological factor of considerable importance, influencing the types of organisms that live in a body of water. Growth of algae in water affects the quality of water by. The key operating water quality parameter in this type of system is the amount of dissolved carbon dioxide. Water qualitywater quality parametersparameters by prof. This water vapour is a gas, which can be changed into by cooling. It is most frequently used by reference to a set of standards against which compliance, generally achieved through treatment of the water, can be assessed. The quality of some water sources may change significantly with time or during certain periods such as in dryrainy seasons, so it is recommended to have more than one sample taken, in different time periods. A plant adapted to saline conditions is called a halophyte. Many species of protozoa and helminthes that causes water borne disease contaminates water through stool of infected patients. Jul 03, 2019 water is an essential nutrient for crops, animals, plants and wildlife. Overall, lake clarity has remained relatively stable since 2000. Biological parameters are important factor that determine quality of drinking water. If water sampling results confirm that drinking water contains pfoa and pfos at individual or combined concentrations greater than 70 parts per trillion, water systems should promptly notify their state drinking water safety agency or with epa in jurisdictions for which epa is the primary drinking water safety agency and consult with the.

Turbidity is the cloudiness of water caused by a large number of suspended solids is generally invisible. Present drinking water can be defined into three different classifications and they are mentioned below. Lake tahoes clarity has historically been the bellwether aspect for water quality and the health of the entire ecosystem. Surface water and wastewater quality monitoring in chiangmai.

Californias regulatory framework uses water quality. Global water quality monitoring market growth, trends, forecast 20192027 the market for water quality monitoring will grow with an anticipated cagr of 5. Water quality concerns have often been neglected because good quality water supplies have been plentigul and readily available. And the quality of water matters, especially on a farm. Scribd is the worlds largest social reading and publishing site. Land pollution ppt and pdf download sources of water ppt and.

Brackish water or briny water is water that has more salinity than fresh water, but not as much as seawater. Water is a common chemical substance that is essential for thesurvival of all known forms of life. Results of surface water and wastewater quality monitoring surface water and wastewater quality monitoring was conducted at 4 stations in chiangmai, thailand thon 14 march 2014. Acidity of water measures its capacity to react with strong base to a designated ph.

Basis of concentrations mgl charges positive or negative level of toxicity toxic or nontoxic. Water quality index wqi is valuable and unique rating to depict the overall water quality status in a single term that is helpful for the selection of appropriate treatment technique to meet the concerned issues. From this water quality testing, you can determine the clarity of the water. Find materials for this course in the pages linked along the left. The aquatic environment is totally alien to we air breathers and thus some form of water quality monitoring and measurement is extremely critical to any successful operation. A complete assessment of water quality is based on appropriate monitoring of these components. It is a measure of the condition of water relative to the. As we continue to build cities, clear land for farming and make other manmade changes to the natural environment, water quality monitoring becomes increasingly important. If you are among the 286 million americans that get their water from a community water system, your tap water is regulated by the united states environmental protection agency epa. For example, water quality may refer to water for agriculture, reclamation, and irrigation. In 20, annual average clarity was 70 feet, a 5 foot decline from 2012.

Environmental protection agency to join the audio broadcast. Overview of water quality sensors as pertinent to water distribution systems there are a variety of reasons to employ water quality sensors in water distribution systems. This means that for every one million parts units of water there is a certain number of parts of the substance. It may result from mixing of seawater with fresh water, as in estuaries, or it may occur in brackish fossil aquifers.