SAN FRANCISCO DISTRICT
Calvin Fong, Chief, Regulatory Branch, (415)977-8461, calvin.c.fong@usace.army.mil
Fax (415)977-8483

Mailing address:
Regulatory Branch
San Francisco District (SPN-CO-R)
333 Market Street, 8th Floor
San Francisco, CA 94105-2197

LOS ANGELES DISTRICT
Regulatory Branch, (213)452-3425
Fax (213)452-4196

Mailing address:
Regulatory Branch
Los Angeles District (SPL-CO-R)
911 Wilshire Boulevard
P.O. Box 532711
Los Angeles, CA 90053

SACRAMENTO DISTRICT
Art Champ, Chief, Regulatory Branch, (916)557-5250, achamp@spk.usace.army.mil
Fax (916)557-6877

Mailing address:
Regulatory Branch
Sacramento District (CESPK-CO-R)
1325 J Street
Sacramento, CA 95814-2922