Get to know our dedicated workers
Sean Harrison
Chief Executive Officer
Sean Harrison began his career at G&G as a backflow tester, quickly establishing a strong foundation in water safety and regulatory compliance. He advanced to become a Cross Connection Control Specialist, further demonstrating his expertise and leadership in managing complex water systems. Currently, Sean serves as the program manager and key personnel overseeing backflow prevention, cross-connection control, reclaimed water conversions, and the LCRR inventory. In this role, he plays a vital part in ensuring the integrity and safety of the city’s water supply programs, combining technical skill with strategic oversight.
Education:
B.A., Business Administration (Economics), CSU San Bernardino
A.S., Water Technology, Mt. San Jacinto College
Notable Achievements:
13+ years managing water and environmental compliance programs
Oversees Corona’s Backflow and Cross-Connection Programs
Experienced in reclaimed water system design and inspection
Holds advanced water treatment and distribution certifications
Chief Executive Officer
Sean Harrison began his career at G&G as a backflow tester, quickly establishing a strong foundation in water safety and regulatory compliance. He advanced to become a Cross Connection Control Specialist, further demonstrating his expertise and leadership in managing complex water systems. Currently, Sean serves as the program manager and key personnel overseeing backflow prevention, cross-connection control, reclaimed water conversions, and the LCRR inventory. In this role, he plays a vital part in ensuring the integrity and safety of the city’s water supply programs, combining technical skill with strategic oversight.
Education:
B.A., Business Administration (Economics), CSU San Bernardino
A.S., Water Technology, Mt. San Jacinto College
Notable Achievements:
13+ years managing water and environmental compliance programs
Oversees Corona’s Backflow and Cross-Connection Programs
Experienced in reclaimed water system design and inspection
Holds advanced water treatment and distribution certifications
Experience
July 2022-Present
CEO
Directs all environmental project work including compliance related programs involving water, wastewater, stormwater, air quality, and hazardous materials.
July 2022-Present
CEO
Directs all environmental project work including compliance related programs involving water, wastewater, stormwater, air quality, and hazardous materials.
July 2022-Present
CEO
Directs all environmental project work including compliance related programs involving water, wastewater, stormwater, air quality, and hazardous materials.
March 2011-July 2022
Cross-Connection Control Supervisor
Inspected Reclaimed and Potable Water construction for code compliance. Administered the Cross Connection Control program for the City of Corona. Facility permitting, compliance monitoring, record keeping and reporting. Development of policies and procedures. Prepare position papers and draft comments regarding legislative and regulatory impacts. Compliance audits; evaluates, determines and create reports on compliance status. Investigates mitigation options and prepares reports and recommendations on actions required. Review plan submittal and make appropriate changes to comply with local and state regulations. Prepare clear, concise and comprehensive reports, memoranda and correspondences. Design reclaimed water retrofit systems. Inspect reclaimed water sites, perform shut down tests, dye tests, and drip tests. Respond to Customer complaints as they arise. Hold training sessions for company personnel, client personnel, and the client’s customers. Administer the City of Corona's Backflow Program. Test backflow devices per University of Southern California (USC) 10th edition.
March 2011-July 2022
Cross-Connection Control Supervisor
Inspected Reclaimed and Potable Water construction for code compliance. Administered the Cross Connection Control program for the City of Corona. Facility permitting, compliance monitoring, record keeping and reporting. Development of policies and procedures. Prepare position papers and draft comments regarding legislative and regulatory impacts. Compliance audits; evaluates, determines and create reports on compliance status. Investigates mitigation options and prepares reports and recommendations on actions required. Review plan submittal and make appropriate changes to comply with local and state regulations. Prepare clear, concise and comprehensive reports, memoranda and correspondences. Design reclaimed water retrofit systems. Inspect reclaimed water sites, perform shut down tests, dye tests, and drip tests. Respond to Customer complaints as they arise. Hold training sessions for company personnel, client personnel, and the client’s customers. Administer the City of Corona's Backflow Program. Test backflow devices per University of Southern California (USC) 10th edition.
March 2011-July 2022
Cross-Connection Control Supervisor
Inspected Reclaimed and Potable Water construction for code compliance. Administered the Cross Connection Control program for the City of Corona. Facility permitting, compliance monitoring, record keeping and reporting. Development of policies and procedures. Prepare position papers and draft comments regarding legislative and regulatory impacts. Compliance audits; evaluates, determines and create reports on compliance status. Investigates mitigation options and prepares reports and recommendations on actions required. Review plan submittal and make appropriate changes to comply with local and state regulations. Prepare clear, concise and comprehensive reports, memoranda and correspondences. Design reclaimed water retrofit systems. Inspect reclaimed water sites, perform shut down tests, dye tests, and drip tests. Respond to Customer complaints as they arise. Hold training sessions for company personnel, client personnel, and the client’s customers. Administer the City of Corona's Backflow Program. Test backflow devices per University of Southern California (USC) 10th edition.
Contact information
Mon – Fri: 8 AM – 5 PM
Mon – Fri: 8 AM – 5 PM
Mon – Fri: 8 AM – 5 PM
