(A) An upset shall constitute an affirmative defense to an action brought for noncompliance with categorical pretreatment standards if the requirements of division (B) below are met.
(B) A user who wishes to establish the affirmative defense of upset shall demonstrate through properly signed, contemporaneous operating logs or other relevant evidence that:
(1) An upset occurred and the user can identify the cause of the upset; and
(2) The facility was at the time being operated in a prudent and workmanlike manner and in compliance with applicable operation and maintenance procedures; and
(3) The user has submitted (verbal notification of the required information is acceptable so long as the verbal notification is followed-up with written notification that is submitted within five days) the following information to the POTW Director within 24 hours of becoming aware of the upset:
(a) A description of the indirect discharge and cause of noncompliance; and
(b) The period of noncompliance, including exact dates and times or, if not corrected, the anticipated time the noncompliance is expected to continue; and
(c) The steps being taken and/or planned to reduce, eliminate, and prevent recurrence of the noncompliance.
(C) In any enforcement proceeding, the user seeking to establish the occurrence of an upset shall have the burden of proof.
(D) Users will have the opportunity for a judicial determination on any claim of upset only in an enforcement action brought for noncompliance with categorical pretreatment standards.
(E) Users shall control production of all discharges to the extent necessary to maintain compliance with categorical pretreatment standards upon reduction, loss, or failure of its treatment facility until the facility is restored or an alternative method of treatment is provided. This requirement applies in the situation where, among other things, the primary source of power of the treatment facility is reduced, lost, or fails.
(Ord. 5-03, passed 5-15-03; Am. Ord. 10 ORD 02-08, passed 2-7-08; Am. Ord. 31 ORD 12-12, passed 12-6-12)