OAR 632-010-0140: Reserve Pits, Sumps, and Above-Ground Tanks

(1) Materials or any fluid necessary to the drilling, production, or other operations by the permittee must be discharged to or placed in pits, sumps or above-ground tanks approved by the department and the Oregon Department of Environmental Quality. The permittee must provide pits, sumps, or tanks of adequate capacity and design to retain all materials. Under no circumstances are the contents of a pit or sump allowed to: (a) Contaminate streams, artificial canals or waterways, groundwater, lakes, rivers, or other water bodies; or (b) Adversely affect the environment, including but not limited to, persons, plants, fish, and wildlife and their populations. (2) When no longer needed, and within one year of completion of drilling operations, fluid in pits, sumps, or tanks must be disposed of in a manner approved by the Oregon Department of Environmental Quality. In addition, sumps must be filled and covered and the premises reclaimed. Restoration is not required if arrangements are made with the surface owner to leave the site suitable for a secondary beneficial use that is compatible with the applicable local comprehensive plan and land use regulations. The permittee must notify the department to inspect the site reclamation.