External j amer water res assoc.
Rainwater collection system roof.
T he green infrastructure for clean water act which relates to water conservation efficiency infrastructure and management while promoting rainwater harvesting.
External j environ qual.
The idea of rainwater harvesting usually conjures up images of an old farm cistern or thoughts of developing countries.
Rainwater harvesting is legal in illinois but with two major statutes.
The good news is most roofing materials are suitable for rainwater harvesting.
Metal roofs provide the cleanest and most efficient surface.
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.
A system of gutters and downspouts directs the rainwater collected by the roof to the storage cistern.
Health risks associated with consumption of untreated water from household roof catchment systems.
Microbiological quality of roof harvested rainwater and health risks.
House bill 991 2011 amended the homeowners solar rights act it requires that within 120 days after a homeowners association the association shall adopt.
Other materials such as tile and composition shingles are successfully used.
Rainwater collection calculation formulas and equations roof area ft 2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember.
Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof.
1 of rain on 1 000 sf roof will yield 623 gallons.
The cistern typically located underground may be constructed of various materials including cinderblock reinforced concrete or precast concrete fiberglass or steel.
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.
While metal roofing or plastic sheeting e g.
Greenhouse roof has the highest collection efficiency most surfaces are a ok.
Earthminded diy rain barrel diverter and parts kit water collection system to convert containers into rain barrels catch rain water for outdoor chores rbk 0001 4 6 out of 5 stars 644 31 98 31.
There s just a short list of rooftop surfaces that rainwater harvesters should avoid.
Ahmed w gardner t toze s.
How much rainwater can you harvest from your roof.