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Texas On-Site Wastewater Treatment Research Council (TOWTRC) Projects and Reviews

On Sept. 1, 2011, House Bill 2694 abolished the Texas On-Site Wastewater Treatment Research Council (TOWTRC). Included below are selected TOWTRC Research Projects and associated reviews by TCEQ staff.

TOWTRC Research Project TCEQ Review

Hydrological Attributes and Treatment Capabilities of "Caliche and Related Soils" Pertinent to On-Site Sewage Facilities

by Larry P. Wilding, Ph.D., CPAg, CPSS

Review

Design and Operation of Land Application from a Water, Nitrogen and Salt Balance Approach

by Clifford B. Fedler, Runbin Duan, John Borrelli and Cary Green

Review

Evaluation of Drainfield Absorption and Evapotranspiration Capacity

by Ken Rainwater, Ph.D., P.E., DEE and Andrew Jackson, Ph.D., P.E.

Review

Review of Systems for Restaurant Wastewater Pretreatment

by Ken Rainwater, Ph.D., P.E., DEE

Review

Improving Ammonia and Phosphorus removal in Subsurface Flow Wetlands

by Margaret G. Forbes, Joe C. Yelderman, Jr., Tina Potterton, Adam Clapp and Robert D. Doyle

Review

Efficacy of Bacterial Reduction by Onsite Wastewater Treatments

by Stacy L.M. Pfluger, Rene Massengale and Joe C. Yelderman, Jr.

Review

Manual for Designing Surface Application of OSSF Wastewater Effluent

by Clifford B. Fedler, John Borrelli and Runbin Duan

Review

Effectiveness and Utility of Surface Application and Soil Percolation for Removal of Pharmaceutical and Personal Care Products

by Clifford B. Fedler, Bahar Hosseini Amoli, Brian W. Brooks, Todd Anderson, Bowen Du, Qingsong Cai, and C, Kevin Chambliss

Review

Refining the Application Rates of Onsite Surface Application

by Clifford B. Fedler, Jordon Littlejohn, Runbin Duan, and Li Feng

Review

Review of Potential Onsite Wastewater Disinfection Technologies

by Clifford B. Fedler, Richard Francis, Dhiraj Parekh, and Samir Blanchet

Review

Changes in On-site Wastewater Treatment and Evaluation: Influent Equalization

by Joe C. Yelderman, Jr.

Review

For information on additional TOWTRC funded projects, please review Research Reports Funded by TOWTRC