OAR 632-020-0145: Pits or Sumps

(1) Materials and fluids necessary for the drilling, production, or other operations may be discharged or placed in pits and sumps only with the approval of the department and the Department of Environmental Quality. The operator must not allow the contents of the pit to: (a) Contaminate streams, artificial canals or waterways, groundwater, lakes, or rivers; (b) Adversely affect the environment, persons, plants, fish, and wildlife and their populations; or (c) Damage the aesthetic values of the property or adjacent properties. (2) When no longer needed, pits and sumps are to be filled and covered and the premises restored to a near natural state.