8.80.210 Affirmative Defense
A discharger shall have an affirmative defense in any action brought against it alleging a violation of Section 8.80.206 of this chapter where the discharger can demonstrate it did not know or have reason to know that its discharge, alone or in conjunction with a discharge or discharges from other sources, would cause violation of this chapter or the Areawide Urban Storm Water Runoff Permit.