Dr Ole Ersson developed a self-built rainwater harvesting and purification system in Portland, Oregon, in 1996, using low-cost components to create potable water.
His system includes catchment, first-flush diversion, filtration, UV purification, storage, pressurization, and backflow prevention to ensure safety and code compliance. Source: http://www.rwh.in/ .
Further reading: Download “Texas Rainwater Manual” pdf guide from the blog page https://rainwater.blog/texasmanual/ .
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