(1) Farm or residential tank of 1,100 gallons or less capacity used for storing motor fuel for noncommercial purposes.
(2) Except as provided in ORS 466.858 to 466.878, tank used for storing heating oil for consumptive use on the premises where stored.
(3) Septic tank.
(4) Pipeline facility including gathering lines regulated:
(a) Under the Natural Gas Pipeline Safety Act of 1968 (49 U.S.C. 1671);
(b) Under the Hazardous Liquid Pipeline Safety Act of 1979 (49 U.S.C. 2001); or
(c) As an intrastate pipeline facility under state laws comparable to the provisions of law referred to in paragraph (a) or (b) of this subsection.
(5) Surface impoundment, pit, pond or lagoon.
(6) Storm water or waste water collection system.
(7) Flow-through process tank.
(8) Liquid trap or associated gathering lines directly related to oil or gas production and gathering operations.
(9) Storage tank situated in an underground area if the storage tank is situated upon or above the surface of a floor. As used in this subsection, "underground area" includes but is not limited to a basement, cellar, mine, drift, shaft or tunnel.
(10) Pipe connected to any tank described in subsections (1) to (8) of this section. [Formerly 468.911; 1987 c.539 §18; 1999 c.979 §§9,17; 2001 c.104 §201]