Key Data:
Plant type
Reverse Osmosis (RO) membrane system
Raw water supply
Brackish aquifer water from 5 on-site wells
Permitted groundwater withdrawal
20,000m³/day
RO system
4 trains, each rated to 3,800m³/day
Concentrate to potable water ratio
1:5 to 1.25:5
Project Timeline:
Feasibility study
1996 - 1998
Planning approval
May 2002
Board of supervisor's approval
June 2002
Access road and site rough grading
June - December 2002
Groundwater withdrawal permit issued
December 2002
Construction began
January 2003
Concentrate discharge permit issued
May 2003
Start up / phase I construction completed
August 2005
Phase II anticipated
2010
Key Players:
Project sponsor
James City Service Authority
Design engineers
Buchart Horn / Watek
Membrane and desalination processes
Rostek Associates
RO system, instrumentation, controls and SCADA
Aquious - Water Equipment Technologies (part of ITT Industries)
Concentrate line and piping
SEA