Roof Rainwater Catchment System

Health risks associated with consumption of untreated water from household roof catchment systems.

Roof rainwater catchment system.

There are some important factors about the roof to consider when planning for a rwh system. Traditionally this involves harvesting the rain from a roof. 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. Rainwater harvest calculator length.

I currently live in south africa and we have recently started putting a rainwater harvesting system into our garden. The catchment area is the first point of contact for rainfall. State rainwater harvesting statues programs and legislation. Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use.

But don t let it scare you. Microbiological quality of roof harvested rainwater and health risks. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel. 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.

The 1 100 rain water catchment system. A typical arrangement for a roof catchment cistern system is shown in figure 1. To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches. Wondering how much rainwater you could collect off your roof.

Typical roof catchment cistern system. This is a large rainwater catchment system. 512 490 0932 501 w powell ln 206 austin tx 78753 harvesting rain conserving water and managing stormwater in texas since 2004. Ahmed w gardner t toze s.

External j environ qual. Use this rainwater harvesting calculator to find the answer. The variables of rainfall and water demand determine the relationship between required catchment area and storage capacity. How to filter rainwater from roof.

For the vast majority of tank based rainwater harvesting systems the catchment area is the roof surface. I find the topic amazing and have done a lot of research with more to follow on different systems and even diy options. I hope to share them all here.