Onsite Wastewater Treatment Systems (OWTS) Program

1131 Harbor Bay Parkway
Alameda, CA 94502-6577
(510) 567-6700


OWTS Department Staff

Staff Title E-mail
Dilan Roe Chief, Land Water Division dilan.roe@acgov.org
Natali Colom Senior Hazardous Materials Specialist natali.colom@acgov.org
Joshua Barbosa Hazardous Materials Specialist josh.barbosa@acgov.org
Carrie Hoskins Environmental Health Technician caroline.hoskins@acgov.org