Saving Pipelines & Pump Stations Before It's Too late

Energy Savings in Water/Wastewater Systems with Air Valves

Thursday, April 19
8:50 AM - 9:40 AM
Location: Meeting Room 315, Sacramento Convention Center

SWRCB Drinking Water: 1 Contact Hour

CWEA: 1 Contact Hour

Practice Area: Professional Challenge Area: Collection Systems

It is estimated that air in pipelines results in a minimum of 10% increase in pumping costs. Properly applied and installed air valves can reduce energy costs by an average of 10%, pump run times are decreased, and the energy required to pump the same volume of wastewater is reduced.

Learner Outcomes:

Level: Intermediate; working knowledge of subject matter / journeyman level staff

Kim Sorensen

Senior Applications Engineer


Mr. Sorensen is a graduate of BYU with a BS Civil Engineering. He has over 30 years of experience in the planning, design and construction of water and wastewater systems. He has worked with both large municipalities and agencies such as Southern Nevada Water Authority, Salt Lake City, Phoenix, and Mesa, AZ as well as many small towns and water agencies. He has worked for several consulting firms and agencies including Carollo Engineers, Stanley Consultants, HWC Engineering as well as Central Utah Water Conservancy District and West Valley City. Mr. Sorensen is a registered professional engineer in Arizona and Utah.


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Gary Warren

Senior Civil Engineer / Supervisor of Wastewater Design Section


Gary Warren, PE, is a Senior Civil Engineer for the East Bay Municipal Utility District (EBMUD), supervising the Wastewater Engineering Division’s Design Section. This Section performs in-house design work for the Wastewater Department’s capital improvement projects. Projects include treatment plant, collection system and recycled water system upgrades and rehabilitation. Gary has been very involved with EBMUD’s innovative resource recovery and co-digestion program, which allows their treatment plant to produce typically 130% of the power needed to operate the plant. Gary has a BS in chemical engineering from UC Santa Barbara and 30 years of experience. Prior to working for the District, he also worked for CH2M HILL (now part of Jacobs) and Metcalf & Eddy (now part of AECOM). He is also very active in CWEA, currently serving on the board of the local SF Bay Section.


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Energy Savings in Water/Wastewater Systems with Air Valves


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