Rainwater Harvesting Documents
The links below provide access to our rainwater harvesting-related publications.
Legislative Reports
2006
Rainwater Harvesting Potential and Guidelines for Texas, Report to the 80th Legislature, Texas Rainwater Harvesting Evaluation Committee.
The report to the Texas Legislature presents a narrative discussion, associated maps, illustrations, key findings and recommendations on the potential benefits and advantages of rainwater harvesting in Texas.
Manuals
2005
The Texas Manual on Rainwater Harvesting, Third Edition, 2005. TWDB Publication.
The manual serves as a primer on the basics of residential and small-scale commercial rainwater harvesting systems design. It is intended to serve as a first step in considering options for constructing a rainwater harvesting system or implementing a harvesting program.
Resources
The calculator estimates the size of the rainwater harvesting system based on the user's inputs. The information in this file is provided as a public service, and should be used for estimation purposes only.
Rainwater Volumes from Roof Runoff
The map shows the average annual runoff from a 2,000 square-foot roof. The numbered lines on the map are isolines, connecting points of equal average annual runoff (in thousands of gallons).
Contract Reports
2013
Rainwater Harvesting as a Development-Wide Water Supply Strategy, The University of Texas at Austin.
The report to the Texas Water Development Board investigated residential-scale rainwater harvesting systems as a water supply strategy for whole developments.
2011
Effect of Roof Material on Water Quality for Rainwater Harvesting Systems - Additional Physical, Chemical, and Microbiological Data, The University of Texas at Austin.
2010
Effect of Roof Material on Water Quality for Rainwater Harvesting Systems, The University of Texas at Austin.
The report to the Texas Water Development Board investigated the effects of the roof material on the water quality of rainwater harvesting systems.
Papers and Articles
2008
Rainwater Harvesting in the State of Texas, Sanjeev Kalaswad and Jorge Arroyo, Water Quality Magazine, Volume 13, Number, 10.
Presentations
2010
Presentation for the Colorado River Watch Network Stewardship Workshop, Riverside Conference Center, Bastrop, Texas, June 2010, Jorge Arroyo and Linda McCall.
2009
Report on TWDB's Rainwater Harvesting Activities, Texas Rainwater Catchment Association Conference, March 20, 2009, Kerrville, Texas, Sanjeev Kalaswad.