John Onkka

Water Reclamation Facilities Supervisor at Olivenhain Municipal Water District

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John Onkka Email & Contact Information

John Onkka Current Workplace: Olivenhain Municipal Water District

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Finance Manager

Administrative Analyst

Water Reclamation Facilities Supervisor

Board Director

Customer Service and Public Affairs Supervisor

Information Technology Supervisor

Customer Services Manager

Water treatment facilities supervisor

Inspector

Senior Systems Administrator