Central Marin Sanitation Agency – Septic and Recreational Vehicle

When entering the plant, please stop at the designated point on the entrance road. After that, come into the CMSA Administration Building to sign-in and complete the RV transaction. Please note that only cash payments are accepted. In order to discharge waste at the receiving station, RV users must have at least 10 feet of 3-inch or smaller discharge hose. Additionally, there is non-potable rinse water available.