Dewhold

Water you control: test it, store it, treat it — notes from a retired well tech

Rain catchment

Design, setup, and maintenance of rain collection systems for irrigation, livestock, and other non-drinking uses.

  • Rain Catchment for Non-Potable Use

    $63,000. That is what Frankfurt Airport’s rainwater system cost in 1993, and for years that number sat wrong with me. Not because an airport spent it — an airport catches off 26,800 square meters of terminal roof and stores it in six basement tanks, and at that scale the arithmetic works. It sat wrong because…