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GPP Program Staff

General information

Edgardo Diaz, REHS 
Supervisor
Water Protection and Land Use Programs
(650) 464-0613
egdiaz@smcgov.org

Submit all permit related correspondence to drilling@smcgov.org 

Jake Madden, PG
(650) 399-5959
Groundwater Protection Program Specialist

Brisbane
Colma
San Bruno
Daly City
San Mateo
South San Francisco
Pescadero/La Honda

Brian Gwinn, PG
(650) 272-4590

Atherton
Belmont
Burlingame
Foster City
Redwood City
Half Moon Bay
Hillsborough
Millbrae
Menlo Park
Pacifica
San Carlos
Portola Valley
Woodside
East Palo Alto

Fax for Groundwater Protection Program (GPP): (650) 627-8244