Main Phone Number:  (209) 525-6700

Fax Phone Number:  (209) 525-6774

Reporting Code Violations: 1-877-2-ASSIST    (1-877-227-7478)

Director of Environmental Resources
Sonya K. Harrigfeld
Phone: (209)525-6770
Email: Harrigfeld@envres.org

Assistant Directors of Environmental Resources: 
Jami Aggers
Email: jaggers@envres.org

Rowe Barney
Email: rbarney@envres.org

Code Enforcement Program:
Tod Woodward
Email: twoodward@envres.org

Environmental Health Program:
Denise Wood, Manager
Phone: (209)525-6755
Email: DWood@envres.org

Hazardous Materials Program:
Jim Simpson, Manager
Phone: (209)525-6753
Email: JimSimpson@envres.org

Milk and Dairy Program:
Don Rowley, Manager
Email: DRowley@envres.org

Solid Waste Management Program:
Ron DeLong, Manager
Phone: (209)525-6781
Email: RDeLong@envres.org