PIPING UP—Chris Malejan, a senior engineer with Water Systems Consulting, leads Rancho Campana High School students on a tour of the North Pleasant Valley Groundwater Desalter on April 27 in Camarillo. MICHAEL COONS/Acorn Newspapers It took nearly three decades from concept to completion but Camarillo’s $66-million North Pleasant Valley Groundwater Desalter is now delivering high-quality