Finding a Permanent Water Source

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"Food & Water"

Rainwater Harvesting Systems People collect and store rainwater throughout the world. For many island nations, rain is the sole source of domestic water. In portions of the U.S. where groundwater and surface water are scarce, expensive or of poor quality, people use rainwater. Early farm and ranch families throughout the Great Plains routinely collected rainwater to use for laundry and other purposes.

Rainwater Catchment above Ground Structures for Roof Catchment: This manual offers advice on a more professional approach towards rainwater catchment and the construction of different types of reservoirs. It also offers a selection of the most appropriate reservoir types and gives technical advice for the construction work. As far as possible it has been kept on a level which would allow an experienced bricklayer to use the information or a building technician acting as Clerk of Works or Supervisor to advise bricklayers and plasterers on the site. It is not suitable for laymen in the construction field. Just as it is not possible to learn the technique of bricklaying by reading a book, it is not possible to write a construction manual imparting all the knowledge needed for people without the practical experience in the construction field. See also: Water Storage and Treatment

"Dowsing..." Really very interesting article on dowsing - history, technique, uses & experimental results. Kinda neat.

Rainwater Harvesting Network (UK)

Harvested Rainwater: Sustainable Sourcebook (Texas) In this section, Harvested Rainwater is rainwater that is captured from the roofs of buildings on residential property. Harvested rainwater can be used for indoor needs at a residence, irrigation, or both, in whole or in part.

.PDF You need Adobe Acrobat Reader to view this file. Rainwater Harvesting (India)

Rainwater Harvesting: Pros and Cons Rainwater harvesting is the collection of raindrops. In most cases, a roof is used for this purpose. The rainwater then flows through the gutters, into a collection tank. The size of the tank is dependant of the amount and purpose of the water but also of the annual rainfall and the size of the roof. A normal sized tank for a roof of 20 to 40 square meters is 10 cubic meters. The collected water can be used for small scale irrigation (of vegetable gardens etc.), clothes washing, bathing and after treatment also for drinking and food preparation.

Computer Optimization of Rain Collection (Jordan)

Fog Water Collection System (IDRC) The potential for extracting water from fog is a function of the amount of water it contains, how often it occurs, and wind speed. The fogs water content depends upon its altitude. Its frequency of occurrence depends on regional factors, such as the distribution of pressure areas, general atmospheric circulation, the temperature of the ocean water, and the stability and intensity of the thermal inversion processes. The passage of the fog cloud over an intercepting surface depends on the behavior of the wind: the direction and speed of the wind are determined in part by the relief and micro topography of the area.

Fog Harvesting (Organization of American States) This innovative technology is based on the fact that water can be collected from fogs under favorable climatic conditions. Fogs are defined as a mass of water vapor condensed into small water droplets at, or just above, the Earth's surface. The small water droplets present in the fog precipitate when they come in contact with objects. The frequent fogs that occur in the arid coastal areas of Peru and Chile are traditionally known as camanchacas. These fogs have the potential to provide an alternative source of freshwater in this otherwise dry region if harvested through the use of simple and low-cost collection systems known as fog collectors. Present research suggests that fog collectors work best in coastal areas where the water can be harvested as the fog moves inland driven by the wind. However, the technology could also potentially supply water for multiple uses in mountainous areas should the water present in stratocumulus clouds, at altitudes of approximately 400 m to 1 200 m, be harvested.

Collecting Mists (Compass Magazine) The ever-growing need for fresh water in both developing and developed countries is indisputable, and both increasing populations and the contamination of existing supplies will lead to constantly escalating demands. As a result, we need to start considering the use of nontraditional water supplies such as the collection of fog. As clouds move over hills and mountains, the hilltops and ridgelines are enveloped in fogs. Just as the leaves and needles of trees can collect some of the water in these fogs, large artificial collectors, made of polypropylene mesh, can produce a flow of potable water.

Clouds on Tap (IDRC) Six years ago, fog collectors were used for the first time to supplement the water supply of Chungungo, a remote Chilean village. Today, this simple technology has more than doubled the amount of water available in Chungungo, while inspiring similar efforts in other communities around the world. The Chilean experiment was one of the highlights this summer at the First International Conference on Fog & Fog Collection in Vancouver, Canada.

Tapping Into Fog (IDRC) Today, a simple technology collects water from fog, supplying villagers with two or three times more water than they once used and at a lower cost. What makes this possible is the persistent, extensive cloud cover (camanchacas) along the coast of Chile, which creates continual fog as the prevailing winds move inland across the mountains.

Fog-Catching Nets for Fresh Water (IDRC) Her research using fog-catching nets to bring fresh water to isolated villages in her native Chile has given Pilar Cereceda a unique opportunity to have a positive impact on the lives of others. Where possible, she says, research should be taken out and used to improve people's lives. She derives deep satisfaction from her teaching and research, and her happiest moments are spent exploring the exquisite remote beauty of the Chilean landscape.

See Fog Catcher Photos. The fog catchers are a relatively simple technology that is now being used in parts of the world where there is a lot of fog or cloud, but little rain and no well water. The first large installation was in Chile.

Dowsers Do you know what the word dowser means? Well, before there was plumbing, it was a commonly used word. Dowsing, or "water witching" as some like to call it, is a way of finding underground water without going through the process of digging a well. One of the few places that this is still done is in West Virginia. Certain people there have the inherited talent, or power, of finding water in this way.

Groundwater - Nature's Hidden Treasure & Water Well Witching or Divining

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