Center for Decentralized Wastewater Management

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Advanced Wastewater Treatment System O&M Workshop


Board Members

Training Center


Subsurface Drip Irrigation Design Guidelines from TVA

Tennessee Onsite Wastewater Association (TOWA)

Recent Activities

BsE 532 Onsite Domestic Wastewater Treatment, Dispersal, and Reuse

Drip Irrigation Research

Drip Research Presentations

Onsite Wastewater Regulations

Biosystems Engineering & Soil Science Department

The University of Tennessee
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Drip Dispersal Distribution

The drip dispersal system that is on display was designed for a wastewater loading rate that is typical for a three bedroom home.  The drip tubing is suspended and the tank and manifold is elevated above ground to allow trainees to view all the components of a properly installed system.  During training sessions potable water, which simulates wastewater, is pumped through the system. 


Supply lines leaving a pump tank and feeding the drip laterals.

American Manufacturing Co., Inc. automated manifold used to cycle multiple field zones. 


Supply lines connecting to the drip laterals. Air
release valves can be seen also.


Tour the Displays

Conventional Gravity Systems

Low Pressure Pipe  (LPP)

Drip Dispersal

Grand Opening Pictures

NOWRA Field Trip