About RCSD No. 1
Rockland County Sewer District No. 1 primarily services the Towns of Ramapo and Clarkstown and several parcels in the Town of Orangetown. The District operates and maintains the major interceptors and pumping stations in the system and all sewers within the Villages of Spring Valley, New Square, Hillburn, and Sloatsburg. The Towns of Ramapo and Clarkstown maintain most of the 8" diameter sewers. The District's wastewater treatment facilities are located in Orangeburg and Hillburn, New York.