Central Contra Costa Sanitary District Location 5019 Imhoff PlaceMartinezCA94553 Next Event Behind the Scenes at Central Sanitary District - Sat June 13, 2026 - 10:00 am - 2:00 pm Water treatment plant Upcoming Events Behind the Scenes at Central Sanitary District - Sat June 13, 2026 - 10:00 am - 2:00 pm
