Presented by

Kendall West Utility and

Integrated Water Services, Inc. Specializing in Decentralized Wastewater Treatment

DesignPermitting

Construction

Wastewater Treatment Plan for Tapatio Development

Tapatio Development WWTF by Kendall West Utility

Existing system

TCEQ Land Application Permit

150,000 gallon per day system

Approaching 40 years old with lease to expire

Treatment process - activated sludge with clarifier

Tapatio Wastewater Treatment Plant

Tapatio Development by Kendall West Utilities

Proposed plant

Three phases with full build out to 500,000 gallons per day

TCEQ Surface discharge permit with type 1 reuse for golf course

irrigation

Treatment process - activated sludge with membrane

bioreactor (MBR)

Tapatio Wastewater Treatment Plant

Tapatio Development by Kendall West Utilities

Tapatio WWTP Renderings

Tapatio Development by Kendall West Utilities

Tapatio WWTP Site Layout

Tapatio Deveopment by Kendall West Utilities

No gravel drive here.

Tapatio WWTP Discharge Map

Tapatio Deveopment by Kendall West Utilities

Dennis Livingston, PE

Technical Director

Wastewater Treatment Technologies

Tapatio Development by Kendall West Utilities

Microdyn MBR Systems

History of Wastewater Technologies

Tapatio Development by Kendall West Utilities

1914 the first activated sludge patent 1914

Roughly 16,000 permitted WWTPs

32 BGD of WWT

1966 first MBR patent

Treatment Technologies and Options Septic Tanks

Trickling Filter

Conventional Activated Sludge

Sequencing Batch Reactor (SBR)

Membrane Bio Reactor (MBR)

Tapatio Development by Kendall West Utilities

MBR Technology

Tapatio Development by Kendall West Utilities

Permeate QualityParameters Typical

ValuesAchievable

ValuesBOD5 < 2.0 mg/l Non-Detect

TSS < 2.0 mg/l Non-DetectAmmonia (NH3) < 1.0 mg/l Non-Detect

Total Nitrogen (TN) < 10.0 mg/l < 3.0 mg/lPhosphorus (TP) < 1.0 mg/l < 0.03 mg/l

Turbidity < 0.10 NTU < 0.05 NTUFecal Coliform < 2.2 CFU/100ml Non-Detect

SDI < 3 < 2

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E f f e c t i v e F i l t r a t i o n

Multiple BarriersMembranes submerged in mixed liquor have an effective pore size of < 0.01 micron

12 ovivowater.com/mbrCopyright© 2015 Ovivo Inc. All rights reserved

E f f e c t i v e F i l t r a t i o n

PathogenRemovalPathogens rejected by multiple barriers withoutpost disinfection