Each user shall notify the director of any planned significant changes to the user’s operations or system which might alter the nature, quality or volume of its wastewater at least 90 days before the change.
(a) The director may require the user to submit such information as may be deemed necessary to evaluate the changed condition, including the submission of a wastewater discharge permit application under § 12.5-632 of this article.
(b) The director may issue a wastewater discharge permit or modify an existing wastewater discharge permit in response to changed conditions or anticipated changed conditions.
(c) For purposes of this requirement, significant changes include, but are not limited to, flow increases or decreases of 20% or greater, the discharge of any previously unreported pollutants and the deletion of any pollutant regulated by this article or a permit issued pursuant to this article.
(d) Significant industrial users that discharge wastewater to treatment plants operated by the Trinity River Authority (TRA) shall provide prior written notification to the city and the TRA of changes to its wastewater discharges and any changes at its facility that affect the potential for a slug discharge.
(e) Significant industrial users that discharge wastewater to treatment plant operated by the city shall provide prior written notification to the city of changes to its wastewater discharges and any changes at its facility that affect the potential for a slug discharge.
(Ord. 12274, § 1, passed 11-28-1995; Ord. 20043-01-2012, § 11, passed 1-10-2012)