Rainwater Collection Roof System

Other materials such as tile and composition shingles are successfully used.

Rainwater collection roof system. Galvanized metal roofing especially is recommended for rainwater harvesting because the panels will be coated with a later of zinc which seals the metal panels prevents rusting and lowers the levels of iron in your water. Rainwater collection calculation formulas and equations roof area ft 2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember. Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall. Greenhouse roof has the highest collection efficiency most surfaces are a ok.

Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof. Rainwater collection in washington state outlines the department of ecology s 2009 policy decision allowing rainwater collection and reuse systems and has many useful links. Microbiological quality of roof harvested rainwater and health risks. The good news is most roofing materials are suitable for rainwater harvesting.

How much rainwater can you harvest from your roof. Rainwater harvesting is legal in illinois but with two major statutes. Ahmed w gardner t toze s. Research indicates rainwater is safe for irrigating vegetables read the recent research from australia and wa dept.

There s just a short list of rooftop surfaces that rainwater harvesters should avoid. This means a metal roof rainwater collection system will produce water with less of the disease causing microorganisms. Rainwater collection systems can be as simple as collecting rain in a rain barrel or as elaborate as harvesting rainwater into large cisterns to supply your entire household demand. While metal roofing or plastic sheeting e g.

External j amer water res assoc. Potable rainwater collection systems utilize a variety of roofing materials as collection surfaces. The use of toxic materials such as lead flashing for tile roofs should be avoided. To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches.

T he green infrastructure for clean water act which relates to water conservation efficiency infrastructure and management while promoting rainwater harvesting. House bill 991 2011 amended the homeowners solar rights act it requires that within 120 days after a homeowners association the association shall adopt. The idea of rainwater harvesting usually conjures up images of an old farm cistern or thoughts of developing countries. External j environ qual.

You can make a rainwater collection system for under a hundred dollars and store hundreds of gallons of water to use for your garden or other purposes. Health risks associated with consumption of untreated water from household roof catchment systems.