County of Sacramento Environmental Mgmnt Dept(EMD) Share: Environment, Conservation & WildlifeGovernment Agencies County of Sacramento Environmental Mgmnt Dept(EMD) Visit Website 10590 Armstrong Ave Mather, CA 95655 (916) 875-8584 LinkedIn Facebook Twitter YouTube Pinterest Instagram GooglePlus Rep Info Map Whom to Contact Ryan Bailey Deputy Chief What's Nearby? Distance: 5 10 15 20 25 50 mi.