Tuesday, January 8, 2013

City of Sand City receives approvals for its Desalinization Facility


The Monterey Peninsula is one of many regions in California that have increased water demand with decreasing water supply and reliability. Engineering and construction of a local water desalination facility was one water supply solution that was investigated for the City of Sand City in a 2002 study.                           

Creegan + D’Angelo Engineers played a pivotal role in the development of the facility which eventually became known as the Sand City Water Supply Project. Richard Simonitch, PE, Principal Civil Engineer and City Engineer for the City of Sand City had a leadership role in developing one of the first California Desalination Facilities. On March 30, 2010, the California Department of Public Health approved this water for public use by the California American Water Company, Monterey District.

Creegan + D’Angelo has provided planning, engineering and permitting services since the project’s conception in 2002 including preparation and submittal of environmental permits, grant funding, and preparing the engineering design of the brackish water feed and brine disposal infrastructure for the City’s new desalination facility. The desalination facility uses reverse osmosis and ultraviolet disinfection to treat otherwise unusable brackish water drawn from wells adjacent to the beach in Sand City. The concentrated salt solution is returned to a horizontal injection well at the same salinity as seawater into the sand aquifer below the surf zone, instead of using a direct ocean discharge.                           

Permitting for desalination facilities is a complex process in California, one that has delayed the implementation of nearly all of the currently planned facilities. The Sand City desalination facility is the first full-scale, municipal desalination plant in California to receive permitting under the new LT2 and CDPH surface water treatment regulations.
                          
For more information on this project, please visit the Sand City Desalination Facility article co-written by C+D Principal Engineer and City Engineer for Sand City, Richard G. Simonitch, Sr. Vice President of Creegan + D’Angelo.
 




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