Roof Rainwater Catchment System

The 1 100 rain water catchment system.

Roof rainwater catchment system.

The variables of rainfall and water demand determine the relationship between required catchment area and storage capacity. Rainwater harvesting systems can be as simple as directing gutters to a lidded garbage can or as complex as a concrete cistern roof washer and filtration system. State rainwater harvesting statues programs and legislation. The catchment area is the first point of contact for rainfall.

The basic rule for sizing any rainwater harvesting system is that the volume of water that can be captured and stored the supply must equal or exceed the volume of water used the demand. I hope to share them all here. The cistern supplies water to the household through a standard pressurized plumbing system. Use this rainwater harvesting calculator to find the answer.

The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel. I find the topic amazing and have done a lot of research with more to follow on different systems and even diy options. Wondering how much rainwater you could collect off your roof. Ahmed w gardner t toze s.

How to filter rainwater from roof. This is a large rainwater catchment system. A typical arrangement for a roof catchment cistern system is shown in figure 1. The american rainwater catchment systems association advises that standing seam roofs powder coated or enameled galvalume zinc aluminum alloy with non toxic baked or enamel finish are appropriate for potable use with non toxic finishes and appropriate components tanks and post tank treatment.

512 490 0932 501 w powell ln 206 austin tx 78753 harvesting rain conserving water and managing stormwater in texas since 2004. Water filtration co 1088 industry rd marietta ohio 45750. External j environ qual. There are some important factors about the roof to consider when planning for a rwh system.

To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches. Typical roof catchment cistern system. Microbiological quality of roof harvested rainwater and health risks. I currently live in south africa and we have recently started putting a rainwater harvesting system into our garden.

But don t let it scare you. Traditionally this involves harvesting the rain from a roof. For the vast majority of tank based rainwater harvesting systems the catchment area is the roof surface.