West County Wastewater District July 26, 2018 Contact Info Name Marla Sena Phone (510) 222-6700 Fax (510) 222-3277 Address 2910 Hilltop Dr, Richmond, CA 94806 Website https://www.wcwd.org West County Wastewater District West County Wastewater District (WCWD) serves approximately 34,000 residences and 2,450 commercial and industrial businesses with a total population of approximately 100,000.