Friday, July 24, 2009

Texas couple uses only rainwater for daily needs, including landscape irrigation

If you want to learn how to catch rainwater at your home to supply your daily needs, including watering your landscape, you might want to talk to Texas resident John Kight, a retired engineer. Better yet, attend one of his seminars, starting next month.

Kight is qualified to talk on the subject of rainwater catchment. He and his wife Mary Evelyn live in a 3,500-sq.-ft. home that uses captured rainwater for all their water needs, all. Kight designed the system for approximately $14,500, according to a July 15 article in the Hill Country Times. The system is comprised of six 5,000-gal. and three 1,5550-gal. above-ground poly tanks and can store 34,650 gallons of water.

The newspaper reports that gravity drives most of the system, but a pump delivers the water into the house where it goes through several filters — first a 5-micron cloth filter, then a 3-micron charcoal filter — before it passes through an ultraviolet light system to kill harmful bacteria. At that point it can used for cooking, drinking and bathing.
The newspaper article says that the couple has enough water stored to last them a year in spite of the area’s lingering drought.

It’s our guess that more than a few people in the Texas Hill Country will be in attendance. Kight is offering the seminars Aug. 8, Sept. 12 and Oct. 17 at the Cibolo Nature Center in Boerne, TX, which is located about 22 miles north of San Antonio. That part of Texas is suffering a horrendous drought, and severe watering restrictions are in place throughout the region. Lawn watering in Boerne is allowed just one day a week.

For more information about Kight’s seminars, call the Cibolo Nature Center in Boerne at 830/249-4616 or visit

You may want to download the third edition of the Texas Manual on Rainwater Harvesting (2005), as well. It has lots of useful information and points out the good points and the challenges in rainwater capture. — LM Staff

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