Wet watershed management guide water harvesting and soil. Watershed management and water harvesting as strategic tools for groundwater augmentation v. Various methods of rainwater harvesting are described in this section. In a first case study, the effect of a jessr water harvesting. Soil conservation and water harvesting rain foundation. Gunter hauberdavidson, water conservation group pty ltd, sydney, australia. It found, for example, that one uk hotel saved more than. It means capturing rain where it falls or capturing the run off in your own. Rainwater harvesting, catchment harvesting, harvesting structures, soil moisture conservation, check dams, artificial recharge, farm ponds, percolation tanks. Watershed management and rain water harvesting has emerged as a new paradigm for planning, development and management of natural resources. Rain barrels and other water conservation tools mass. A guide to water efficient landscaping from tucson water. These stored waters are used for various purposes such as gardening.
Rain water harvesting involves collecting water that falls on roof of house during. Approximately, 71 per cent of the earths surface is covered with it but fresh water constitutes only about 3 per cent of the total water. Soil and water conservation and survey department, govt. The above soil and water conservation management and water harvesting programme should be implemented in an integrated manner on a catchmentwatershed basis figure 1. In urban area rainwater flows away as surface runoff.
The main aim of sustainable watershed development is to achieve soil and water conservation within the catchment. Any beneficial reduction in water loss, use and waste of resources avoiding any damage to water quality improving water. Water is a cyclic resource with abundant supplies on the globe. A local nonprofit, watershed management group, teaches about rainwater harvesting with handson workshops. In the western united states, conservation continues to serve as a primary driver for rainwater harvesting as the region struggles to meet the water demands of its. A video on the village and villagers of laporiya featured in the introduction of rainwater harvesting for drylands and beyond, volume 2, 2nd edition, and how they turned water. Keeping and using rain water on your property helps reduce pollution, erosion and improves local watershed health. Water management in industries i water conservation measures in industries ii recycling and reuse of water 5. The key activities to conserve water are as follows. Water harvesting techniques for sustainable water resources management in catchments area of extreme climate condition. Jun 27, 2009 a study carried out by the uks environment agency found that installing full watersaving equipment and employing water management practices could cut 50% off annual water bills. Watershed management notes pdf wm notes pdf details. Exsitu watershed management practices reduce peak discharge in order to reclaim gully formation and harvest substantial amount of runo, which increases groundwater recharge and.
Rainwater harvesting, though an oldage practice, is emerging as a new avenue in water resource development and management due to the recent efforts of both government and non. Watershed management must consider the social, economic and institutional factors operating within and outside the watershed. Rain water harvesting, conservation and management strategies. Functions of the structures contour bunds, contour barriers vegetative and stone, contour trenches and contour stone walls will not only prevent soil erosion but also obstruct. Assessment of best practises and experience in water harvesting. Aug 03, 20 rainwater harvesting and watershed management 1. Water conservation programs involved in social solutions are typically initiated at the local level, by either municipal water utilities or regional governments. If you continue browsing the site, you agree to the use of cookies on this website. Rainwater harvesting, though an oldage practice, is emerging as a new avenue in water resource development and management due to the recent efforts of both government and nongovernmental. Learn how to create a sustainable backyard oasis with rainwater harvesting. Technologies for water harvesting and soil moisture.
Rainwater harvesting and watershed management pranay krishnan m. Just 14 inch of rainfall on a typical roof will fill a rain barrel. Common strategies include public outreach campaigns, tiered water rates charging progressively higher prices as water use increases, or restrictions on outdoor water use such as lawn watering and car washing. Under such circumstances, insitu rainwater harvesting shall be crucial. Rain and conveying water through pvc or al pipe to a near by covered storage tank. Methods of rainwater harvesting components, transport and. Rainwater can be collected from rivers or roofs and redirected to a deep pit well, shaft, or borehole, aquifer, a reservoir with percolation, or collected from dew or fog with nets or other tools. Management and water harvesting as t groundwater augmentation. A study carried out by the uks environment agency found that installing full watersaving equipment and employing water management practices could cut 50% off annual water. As a homeowner, youre probably already well aware of the financial costs of inefficient water use. Rainwater harvesting helps utilities reduce the summer demand peak and delay expansion of existing water treatment plants.
The participation of local authorities and village communities is necessary to achieve self sufficiency and sustainability of water availability in the village. The distribution of loans was organized by integrating a geographic information systembased land degradation priority map with the communities judgments and land tenure maps. Dec 6, 20 to improve the capacities of the watershed, it is crucial to have a watershed administration set up. Rainwater harvesting and watershed management slideshare. Rain water harvesting usually involves larger cisterns or multiple barrel systems that can store enough water to help water landscapes during our long dry summers. The availability of fresh water varies over space and. Waterharvesting video gallery rainwater harvesting for. The water and land management on watershed basis has a scientific proven base which helps in increasing productivity, along with sustainable utilization of resources. From the study conducted on rain water harvesting and watershed management of dudhganga basin, the following findings have emerged. The book on rain water harvesting is an attempt by iricen to propagate the concept of rain water harvesting. Water resource management plays a vital role in sustainable development of watershed which is possible only through the implementation of various water harvesting technique. In fact, a very small proportion of fresh water is effectively available for human use.
Sustainable water management is an important global action to alleviate the growing pressure on our water resources and a way to balance both socioeconomic and environmental water needs. Rain water harvesting, conservation and management. Rainwater harvesting is the collection and storage of rainwater for reuse onsite, rather than allowing it to run off. Exsitu watershed management practices reduce peak discharge in order to reclaim gully formation and harvest substantial amount of runo, which increases groundwater recharge and irrigation potential in watersheds. Perhaps one of the most interesting aspects of rainwater harvesting is learning about the methods of capture, storage, and use of this natural resource. According to fresh water watch, water conservation is. Water conservation and water recycling washington state.
With depleting groundwater levels and fluctuating climate conditions, rwh can go a long way to help mitigate these effects. Interpretation of satellite imageries land use and land cover. Simple practices like amending soil with compost, mulching, and smart watering are the first steps to storing and conserving water. The history of rain water harvesting in asia can be traced to the 9 th or 10 th century, where the smallscale collection of rain water from roofs and simple dam construction were in use in the. Water harvesting techniques gather water from an area termed the catchment area and channel it to the cropping area or wherever it is required. They have become aware about the different schemes of agriculture department. In india, in rural areas it is soil and water conservation measures taken on watershed basis to conserve and augment ground water. For the purpose, rain water is collected at the roof top or in an open well and then carried down for immediate use or it is directed into the. Pdf effectiveness of insitu water conservation through rainwater. This guide discusses the process and type of interventions that come with wet watershed management or wet water harvesting and soil conservation in plain high rainfall areas. In a first case study, the effect of a jessr water harvesting system in amrich, oued oum zessar watershed south tunisia is described and evaluated for its impact on soil and water conservation.
The guide is based on wet watershed management, as it is timetested in the north bengal terai region of india. This enables multicropping and the introduction of diverse agrobased activities, which help to provide sustainable livelihoods to the people residing in the watershed area. The conservation, development and management of water are pivotal to the concept of. Water conservation is the practice of using water efficiently to reduce unnecessary water usage. Conservation techniques conserve water within the biomass and the soil by reducing runoff and keeping the water where it falls, as much as possible. Approximately, 71 per cent of the earths surface is covered with it but fresh water constitutes only about 3 per cent of the total. These stored waters are used for various purposes such as gardening, irrigation etc. It is hoped that this will serve as a helpful guide to the field engineers. Watershed management pdf notes wm pdf notes smartzworld. Global and local climate change affects much on the current water.
The fundamental destination of the watershed administration is. A modest amount of rainfall can supply much or all of your outdoor watering needs a full rain barrel will water a 200 square foot garden. To estimate the potential of roof and surface rain water harvesting. Soil conservation and water harvesting to improve community. Reclaimed water is a hybrid program with elements from numerous federal and state regulations. Rainwater harvesting in watershed and multitier horticulture model are also discussed. Rainwater harvesting is a type of harvest in which the rain drops are collected and stored for the future use, rather than allowing them to run off.
Insitu rwh is achieved mainly by conservation tillage and has in this handbook been merged with micro catchment. Learn how to create a sustainable backyard oasis at wmgs sixpart hydrate phoenix project series at. Sc evs sies nerul college of arts, science and commerce. Rainwater harvesting rwh is a simple method by which rainfall is collected for future usage. Rain water harvesting through watershed the neutral view. Scarcity of water, methods of conservationrain water. There are two main techniques of rain water harvestings. It is an integrated and interdisciplinary approach. The above soil and water conservation management and water harvesting programme should be implemented in an integrated manner on a catchment watershed basis figure 1. According to fresh water watch, water conservation is important because fresh clean water is a limited resource, as well as a costly one. Assessment of best practises and experience in water. The book on rain water harvesting is an attempt by iricen to propagate the concept of rain water harvesting which can be effectively implemented in our office and residential establishments. Find more tips in this article on harvesting rainwater for the landscape. Major areas watershed management rain water harvesting.
The storage of rain water on surface is a traditional techniques and structures used were underground tanks, ponds, check dams, weirs etc. Ppt water conservation powerpoint presentation free to. Pdf water conservation through rainwater harvesting. Watershed management and water harvesting as strategic. The collected rainwater may be stored, utilised in different ways or directly used for recharge.