Santa Clara Valley Water District to switch from chlorine to ozone for primary drinking water disinfection

PCI-WEDECO Environmental Technologies has been selected by the Santa Clara Valley Water District to supply three integrated oxygen-ozone generation systems for the Santa Teresa, Rinconada and the Penitencia drinking water treatment plants in the Silicon Valley of California.

WEST CALDWELL, NEW JERSEY, January 16, 2003 -- PCI-WEDECO Environmental Technologies, a North American ozone system manufacturer, has been selected by the Santa Clara Valley Water District (San Jose, Ca) to supply three integrated oxygen-ozone generation systems for the Santa Teresa, Rinconada and the Penitencia drinking water treatment plants in the Silicon Valley of California. The total value of the contract is approximately $3.5 million.

Under the contract, each water treatment plant will be supplied with state-of-the-art PCI-WEDECO EFFIZON( ozone generators in addition to liquid oxygen storage and supply equipment, specialty ozone instrumentation and other associated components. The Santa Teresa and Rinconda plants will each treat up to 100 million gallons per day (MGD) of water. The Peniticia WTP will treat up to 42 MGD of water.

Camp Dresser and McKee (CDM), Walnut Creek, California, working for the District, incorporated the new ozone systems into the process as part of major plant upgrades at each facility. CDM is a leading consulting engineering firm designing advanced drinking water facilities throughout North America and the world.

Instead of relying on chlorination as its primary disinfection method, the District will switch to ozone, which is an even more effective disinfectant. Ozone a powerful oxidant is capable of oxidizing naturally occurring constituents that can adversely affect water quality in the form of color, organics/inorganics, tastes and odor.

Ozone is also an extremely effective disinfectant for controlling harmful bacteria, viruses and protozoa including Cryptosporidium and Giardia, and ensures safe drinking water for all consumers. A major objective as well for Santa Clara is to reduce the use of chlorine and the by-products produced from it, specifically Trihalomethanes (THMs), which have been linked to reproductive health problems.

Rinconada, Santa Teresa and Penitencia WTP's are located in the foothills around the Santa Clara Valley so that the pull of gravity helps to deliver the treated water to the end users. The Santa Clara Valley Water District operates the three water treatment plants that clean and purify water imported from the Sacramento-San Joaquin River Delta or captured in one of their 10 reservoirs.

These three plants currently can produce as many as 210 million gallons of water a day for nearly 1.6 million area residents. Following the upgrades they will be able to produce up to 242 MGD.

Local rainfall, or runoff, flows into the 10 district reservoirs for storage and blending with the imported water before groundwater recharge or treatment at one of the three drinking water treatment plants. After treatment the water is then supplied to nearly a dozen water companies for distribution to the public.

The Santa Clara Valley Water district is taking the necessary steps to ensure that the water it purifies at its three locations is clean, healthy and safe to drink.

PCI-WEDECO is a North American ozone systems supplier, providing state-of-the-art ozone water treatment systems for large municipalities throughout the U.S. and Canada (including the world's largest ozone plant for drinking water treatment for the City of Dallas, Texas.) as well as numerous systems for industrial applications such as pharmaceutical production, ultrapure water for semiconductor manufacturing, chemical synthesis, as well as applications in aquaculture, and the life sciences market. Further information about PCI-WEDECO can be obtained by visiting their web site at http://www.pci-wedeco.com.


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