About Us Twin Rocks Sanitary District was incorporated in 1966 under ORS-450 and ORS-198 as a municipality and a Special District for the purpose of constructing and maintaining a sanitary sewer system. Prior to construction of the facilities, residents in our area utilized septic tanks and underground drain lines… Twin Rocks Sanitary District Always at Your Service - Waste Water Treatment Plant Serving Twin Rocks, Watseco, and Barview About Us Twin Rocks Sanitary District was incorporated in 1966 under OR
We Accept Credit or Debit Card payments that can be made through our QuickBooks payment process online. Instructions are on your invoice that is Emailed out to you. We also accept checks, money orders, e-checks, and cash​.
For Emergencies: Phone: (503) 355-2506 - Cory Perkins, Plant Operator Main Office: Phone: 503-355-2732 Email: office.twinrockssanitary@gmail.com Mailing Address: PO Box 69, Rockaway Beach, OR 97136