Optimization of the Pumping/Storage/Piping Relationship in Large Water Systems for Effective Master Planning   Pump Source April 2006   John D. Krug, P.E. and Ziad Ghadban, P.E. Dustin
In early 2001, the city of Ottawa retained the services of Stantec Consulting Ltd. to undertake an assessment of the short and long term infrastructure needs required to service a major portion of the city’s water supply system. The project focused on three principal areas, known as the 2W, 3W, and Barrhaven Pressure Zones, which together services approximately 240,000 customers.
Growth in these areas is expected to increase to beyond 400,000 persons by the year 2021.

Calif. Utility Earns Fast Payback On Pump Retrofit   Water & Wastes Digest July 2003
The Cupertino Sanitary District (CSD) recently underwent significant equipment upgrades at its lift stations. The district's submersible pumps now operate with a new type of impeller designed to virtually eliminate blockages. During the year following the pump retrofit program, the utility saved several thousand dollars by preventing all but one blockage. Additional energy savings are being realized due to the suspended high operating efficiency offered by the new pumps.

Making the Most of Modular Pumps   Water & Wastes Digest August 2002
In order to ensure municipal water demands were met, the city of El Dorado, Arkansas contracted with Tanner Engineering & Carter-Burgess to design five new deep wells, water transmission mains, ground storage tanks, pump station, and chlorination facilities. In order to complete the project before the sultry days of summer, the municipality and engineering firm decided to save time and energy by installing a modular pumping system.

Submersible and Trailer and Vertical Pumps Solve Stormwater Problems   Water & Wastes Digest July 2002
PROJECT DESCRIPTION: To transfer stormwater from a creek to an adjacent river during periods of high water during storms and spring thawing.

New Wastewater Handling Pumps Eliminate Blockage Problem at California Lift Station   Water & Wastes Digest July 2002
Monterey Regional Water Pollution Control Agency (MRWPCA) has installed a new type of pump featuring a unique, self-cleaning impeller to overcome frequent clogging experienced in recent years at Pacific Grove Station 12. Prior to replacing the station’s two original pumps, the wetwell’s limited retention and close proximity to Monterey Bay — 60 ft. away — increased the risk of bypasses reaching the beach.

Tunnel Excavation for Water Purification Project Comes in Ahead of Schedule   Water & Wastes Digest March 2002
Customers of the Ute Water Conservancy District in Grand Junction, Colo., will be enjoying better tasting drinking water ahead of schedule, thanks to an early completion of a tunnel that houses part of the district’s new raw water transmission pipeline.