BGCD Rainwater Harvesting

Rainwater harvesting is the diversion and collection of rain to be stored for later use rather than allowing it to run off. This alternative water source can supply households and businesses with water for use in dry seasons, lessen the demands on municipal systems, and reduce pressure on aquifers during drought.

Uses for Rainwater Harvesting

  • Landscaping
  • Stormwater management
  • Raingardens
  • In-home use*
  • Wildlife
  • Fire protection
  • Livestock

Planning your Collection System

Here are a few guides designed to help homeowners create their own system. 

How much rainwater can you collect?
The following formula is used to determine the rain collection potential: 1″ of rain x 1 sq. ft. = 0.623 gallons

How big of a system do you need?
Below are several resources designed to help determine how much water you’ll want to save and what size harvesting system will best suit your needs. 

Texas Tax Code Incentive
The Texas Tax Code §151.355 exempts rainwater harvesting equipment and supplies from state sales tax. To claim this exemption, a purchaser of rainwater harvesting equipment must furnish a Tax Exemption Application Form 01-339 to the supplier of the equipment.

Additional Resources

Basics of Rainwater Harvesting Webpage – Texas A&M Agrilife Extension Service
Includes general information about uses for rainwater, system components, publications, and demonstration videos.

Banking on Rainwater

Save Water: Save Money

Alleviating Rainwater Runoff