Treated Roofs For Rain Water Harvesting

If you re harvesting for irrigation make sure your biocide levels are low enough not to hurt your plants.

Treated roofs for rain water harvesting.

Treatment of rainwater ensures that the water will be safe to use. This section is divided into three sections to better help you understand the treatment of rainwater. There are certain advantages and disadvantages to each roofing material so here are a few considerations about the best and most widely used roofing materials for rainwater harvesting. In order to effectively capture rainwater for redistribution the rainwater collection system must capture up to 25 of the water from impervious or hard surfaces like a roof.

Roof based rainwater harvesting refers to collecting rainwater runoff from roof surfaces which usually provides a much cleaner source of water that can be also used for drinking. Zinc or copper treated shingles are common in the pacific northwest to curb mold moss and algae growth on the roof. The first section roofwater quality discusses potential contaminants in rainwater which explains what we are trying to treat for. Land based rainwater harvesting occurs when runoff from land surfaces is collected in furrow dikes ponds tanks and reservoirs.

Some rooftops are treated with biocides.