Public Works: Pumps

‘Just-in-time’ water delivery for farmland irrigation

Fri, 21 Sep 2012 06:04:27 EST

A computerized distribution system lets farmers control from their computer, smartphone, or iPad how much water they use and when.

Three ways to improve pump performance

Tue, 2 Oct 2012 04:45:43 EST

The most common pump design available, centrifugal pump, uses centrifugal force to discharge fluid into a pipe. Coupled to the engine's crankshaft, a rotating disk with vanes slings liquid outward, producing a pressure change that causes liquid to flow through the pump. This mechanism, called an impeller, is housed within a volute. The volute collects and directs the flow of liquid from the impeller and increases the pressure of the high-velocity water flowing from the vanes of the impeller.

Bringing drinking water to an island community

Sat, 22 Sep 2012 01:07:30 EST

How a coastal department used a construction manager at risk contract to expand service area.

Making contracted operations work

Sat, 22 Sep 2012 01:17:09 EST

A community of 10,000 prepares for water and wastewater service growth without going into debt.

Colorado utility launches secondary-supply project

Sat, 22 Sep 2012 01:27:42 EST

No more feast or famine

Sat, 22 Sep 2012 01:44:09 EST

Chicago's “enjoying” its wettest July ever — 10 ½ inches compared to July 1889's 9 ½ inches — and the month's not over. Yet while we in the Midwest are sick of being water-logged, folks in other parts of the country lick their parched lips. Only 1.97% of Texas, for example, isn't in a stage of drought. Lake Mead, one of the world's largest reservoirs and the main source of drinking water for western states, is 45% full.

The next step in ozone purification

Mon, 24 Sep 2012 04:11:57 EST

In 1989, United Water New Jersey's Haworth plant was one of the first nationwide to incorporate ozone — a chemical-free purification process that recycles oxygen back into the atmosphere — into its process treatment train. While the newly emergent technology resolved complaints regarding taste and odor, two decades later managers faced another challenge: the public's focus on the environmental impact of infrastructure operations.

American water expands, goes 'green'

Fri, 21 Sep 2012 03:55:51 EST

Power of the Pump

Fri, 7 Sep 2012 10:51:06 EST

A community pool complex uses variable-frequency drives to save thousands in annual energy costs.

Sewerage and Water Board of New Orleans

Wed, 5 Sep 2012 04:50:26 EST