John Mandelin, CPSWQ

Photo of John Mandelin

Director of Technical Services / R&D

Licenses & Certifications

  • Certified Professional in Stormwater Quality (CPSWQ)
  • Certified Erosion & Sediment Control Lead (CESCL)
  • Chitosan Enhanced Sand Filtration Operator (CESFO)

About John Mandelin, CPSWQ

John initially joined Clear Water in 2005 as a CESF treatment system operator. With his background in science and mechanics, he quickly became an integral part of the Clear Water team and supervised numerous system installations. He also operated and maintained complex treatment systems and helped develop treatment methodologies for industrial waters as a manager of special projects. John has overseen many successful innovative treatment method applications, from initial investigation to implementation. After a brief time away, he rejoined the Clear Water team as a Senior Project Manager in 2011 and is now Director of Technical Services and R&D.

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