The contractor shall provide sewage pumping services at multiple vault and holding tank locations at Black Butte Lake, in Orland, California, Tehema County. Services include the safe removal and off-s... The contractor shall provide sewage pumping services at multiple vault and holding tank locations at Black Butte Lake, in Orland, California, Tehema County. Services include the safe removal and off-site disposal of sewage. Instructions to Offerors: All unit prices and total prices shall be rounded to the nearest whole dollar.