Water supply and treatment ppt

Introduction water treatment is the process of removing contaminants from wastewater and household water. Diagram ii water storage or water storage water meter laundry bath wb sink shower. The water supply and sanitation in india has increased greatly from 1980 to present. Water supply system water supply system health concerns. Cooling tower water treatment is essential to the overall operation of the cooling tower. The honolulu board of water supply bws provides safe, dependable and affordable water now and into the future for honolulu and the island of oahu, hawaii. There are many impurities in the raw water these impurities can be grouped into three categories.

Chapter 2 presents a basic understanding of hydraulic fundamentals needed to accomplish water supply testing and evaluation accurately, and chapter 3 presents water supply system evaluation methods for determining existing water. Ppt the drinking water treatment process powerpoint. Without ready access to clean and sustainable water supplies we simply cannot exist. What is a raw water treatment system and how does it work.

Still, many people lack access to clean water, toilets, and sewage infrastructure. Examine in detail the process of drinking water treatment and its relationship to human health with the resources below. Ppt water treatment powerpoint presentation free to. This manual provides guidance in determining water requirements and in selection and planning of water supply systems for u. Ppt how will you know when cooling water treatment is. Ensuring sustainable water supply in lagos, nigeria abstract lagos, the fastest growing city in africa is currently facing a water management crisis. Water is essential for health, hygiene and the productivity of our community. The provision of safe and acceptable drinkingwater of sufficient quantity frequently represents a challenge to small water supply systems in both developed and developing countries. The drinking water treatment process why do we need to treat water.

Chapter 5 domestic water supply european commission. Water supply system, infrastructure for the collection, transmission, treatment, storage, and distribution of water for homes, commercial establishments, industry, and irrigation, as well as for such public needs as firefighting and street flushing. Operation and maintenance for water supply systems water. Turning finance into services for 2015 and beyond 1. Approximately 85% of the water comes from the huron river. Waterdistributionsystem notes click to download waterquantityquality notes click to download watertreatment notes click to download watersupplyengineering notes click to download thanks have a nice day wish you all the best. Hofbauer policy and special studies division december 1998 revised iwr. Introduction as the water supply and sewerage infrastructure built in japan since the period of high economic growth is now coming due for replacement, work on these upgrades needs to be undertaken in a way that maintains a safe and secure water environment. Field visit sample report foundation engineering introduction to water supply engineering. The following is a brief overview primer on drinking water treatment. Water treatment is a field service function, while water storage and distribution are supply functions.

A raw water treatment system is a system made up of several individual technologies that address your specific raw water treatment needs. Operation of water supply system is timely and daily operation of the components of a water supply system such as headworks, treatment plant, machinery and equipment, transmission mains, service reservoirs and distribution system etc. Chapter 5 domestic water supply domestic water supply means the source and infrastructure that provides water to households. Filtration was established as an effective means of removing particles from water and widely adopted in europe during the eighteenth century. The water supply engineering wse section and the water supply operations wso section are responsible for the programs associated with the public and private water supply systems of iowa.

Drinking water treatment kennesaw state university. Dams, impounding reservoirs, intake structures, pumping stations, wells and all other construction required for the development of a water supply source. Diversifying water resources while securing reliable water supplies contributes to reducing the water footprint of industrial activities. It includes physical, chemical, and biological processes to remove physical, chemical and biological contaminants. The commander makes certain that the unit has an adequate supply of safe drinking water. The water can be produced as per demand by sinking deep tubewell in arsenicsafe aquifer or treatment of surface or even arsenic contaminated tubewell water by community type treatment plants. Masters gm 1998 water treatment systems in introduction to environmental science and 1 engineering, prentice hall 2. Introduction the african ministers council on water amcow commissioned the production of a second round of country status overviews csos to better understand what underpins progress in water supply and sanitation and what its member. Treating raw water is rarely a static process, and a raw water treatment system that is engineered to accommodate fluctuations in treatment needs will go a long way in avoiding costly replacementsupgrades. This means that water is fully treated before being. Track to meet the mdgs in water supply and sanitation, afdbethiopia rural water supply and sanitation programme appraisal report 2005. Aug 02, 2016 a raw water treatment system is a system made up of several individual technologies that address your specific raw water treatment needs. Inorganic contaminants of major concern include arsenic. Water must be adequately treated before consumption, even in rural areas.

Drinking water supply the ann arbor water supply is comprised of both surface and groundwater sources. This section describes standard water treatment processes. Water support operations include water treatment, storage and distribution. Both sections are housed in the iowa dnrs water quality bureau.

So treatment works may or may not be the part of water supply project. Water supply management the water used to supply industrial processes and utilities represents the largest waterrelated expenditure at an industrial site. Disinfection is the process of destroying harmufl bacteria. Inefficient operation of ion exchange and ro filtration systems resulting in poor feed water quality and costly exchanger regeneration. Army corps of engineers 7701 telegraph road alexandria, virginia 223153868 prepared by theodore m. Tworts water supply, seventh edition, has been expanded to provide the latest tools and techniques to meet engineering challenges over dwindling natural resources. Drinking water supplies in the united states are among the safest in the world.

Ensuring a safeguarded and durable water supply, however, is not as easy as it may sound. Abstract the provision of clean water supply is one of the major factors that greatly contribute to the socioeconomic transformation of a country by improving the health thereby increasing life standard and economic productivity of the society. Five general types of impurities are of public health concern. Water supply and water treatment in the units are responsibilities of the unit commander. As with all other elements of emergency management, water supplies can be designed and maintained in ways that help to reduce the health impacts of disasters. Linking to a nonfederal website does not constitute an endorsement by cdc or any of its employees of the sponsors or the information and products presented on the website.

Sffsingle treatment plant cannot treat all the different types of raw water. Chapter 9 water supply the importance of hygiene promotion in water supply and sanitation introduction the principal purpose of programmes to improve water supply and sanitation is to improve health. Associate professor environmental engineering civil engineering department, iit kharagpur reference. Here are a few warning signs that will tell you a cooling water treatment system is needed for your plant. Nptel civil engineering water and waste water engineering. Ensuring sustainable water supply in lagos, nigeria. Jun 10, 2017 we have shared the water supply engineering lecturer notes in topic wise pdf. A free powerpoint ppt presentation displayed as a flash slide show on id. A rural piped water supply system with provision for supplying water for irrigation installed by dphe, unicef, brac and rda, bogra at pakunda in. These are organic chemicals, inorganic chemicals, turbidity, microorganisms, and radioactive substances. In these instances, poor water treatment can cause defective products. Water supply, general considerations mobilization construction em 11103160 9 april 1984 1. The water treatment process may vary slightly at different locations, depending on the technology of the plant and the water it needs to process, but the basic principles are largely the same.

Lime softening is the process of adding lime to the water, which causes a chemical reaction to remove excess calcium and magnesium. In some cases, transmission work may be eliminated. Organic contaminants include various pesticides, industrial solvents, and trihalomethanes such as chloroform. Your water is treated through three main processes, lime softening, ozone disinfection and activated carbon filtration. Water quantity and intake details water quantity estimation. Nano filtration in water supply systems a4academics. Water treatment is any process that improves the quality of water to make it more acceptable for a specific enduse. The epa first published a water treatment manual on disinfection in 1998. The pipeline extending from the supply source to the treatment. Furthermore, the act requires health checkups for workers in treatment plants every six months, to prevent the contamination of water from the workers infected with water. Drinking water treatment pdf 481 kb a detailed examination of municipal drinking water treatment methods united states environmental protection agency.

Links with this icon indicate that you are leaving the cdc website the centers for disease control and prevention cdc cannot attest to the accuracy of a nonfederal website. Second, there needs to be the capability to transfer water to and from the raw water. Small supplies are more frequently associated with outbreaks of waterborne disease than larger water supply systems. The worlds water supply is the lifeblood of our communities. Various government programs at national, state, and community level have brought rapid improvements in sanitation and the drinking water supply. Introduction to water supply systems ced engineering. It is more helpful to revise the basics in quick manner. Therefore, smallscale treatment of water in emergency. As indias cities run out of running out of water, waterintensive industries like manufacturing and hospitality are investing not only in better effluent treatment but reducing overall consumption. Water utilities have to keep water supply facilities clean and take measures to prevent contamination, such as cleaning and locking water treatment plants, reservoirs, etc.

Water treatment step tostep to conventional water treatment dr. Water treatment public water systems drinking water. Liquid analysis instrumentation is located in ion exchange, reverse osmosis, acid and base water treatment systems. There are many possibilities that some of hazardous and toxic chemicals may pass to the treated effluents. The provision of safe and acceptable drinking water of sufficient quantity frequently represents a challenge to small water supply systems in both developed and developing countries. Drinking water treatment overview spartan environmental. Water supply management the water used to supply industrial processes and utilities represents the largest water related expenditure at an industrial site.

It should also be free from unpleasant tastes and odors. With so many people inhabiting planet earth and with so little freshwater, we need to ensure that what we do have is used efficiently and effectively. The remaining 15% comes from multiple wells located south of ann arbor. Water supply ii 2 naturally, waterborne diseases are prevalent among communities that consume such untreated contaminated water, and such practices must be discouraged. The construction of a visual map of water supply to bangalore city from available data sets on water quality and water related infrastructure by neeri as a part of the data project started by india water portal, arghyam was a challenging task. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.

Dec 16, 2015 waste water treatment refers to the process of removing contaminants from waste water. Water supply handbook a handbook on water supply planning and resource management institute for water resources water resources support center u. Also, water treatment is used to improve the quality of water contacting the manufactured product e. This water and sanitation profile was prepared under the. On the other hand, the mere provision of water and sanitation infrastructure will not, in itself, improve health. Monitoring and control systems for the iot in the water. Its objective is to produce an environmentally safe fluid waste stream and a solid waste suitable for disposal or reuse.

We have shared the water supply engineering lecturer notes in topic wise pdf. Components of water supply project civil engineering terms. Marine corps, water support operations are a general engineering function, as well as a component of tacticallevel logistics. Since the publication of this manual there have been significant developments both in terms of the technology and understanding of the disinfection of drinking water and in the supervisory role of the epa in the drinking water area. Water supply ii 2 naturally, water borne diseases are prevalent among communities that consume such untreated contaminated water, and such practices must be discouraged. Unit processes in municipal water treatment water treatment philosophy. Hyatt, which had to invest on improving the quality of treated sewage treatment plant water to maintain heating and cooling of its property when local body cut water supply or a steel plant that. Water environment solutions based on advanced technology and comprehensive capabilities 1.