(a) No person shall cause the discharge of slugs of water or wastes into the public sewers.
(b) Each person shall provide safeguards against spills and slug loads to the POTW of prohibited or limited substances as set forth in this chapter and the rules and regulations of the Control Authority. Additionally, safeguards shall be provided for the hazardous substances identified in section 311 of the Clean Water Act (33 U.S.C. 1321). Any facilities or procedures to prevent accidental releases shall be provided, operated and maintained at the person's expense.
(c) At a minimum, each Industrial User who stores 1,000 gallons or more of liquid substances identified by this chapter as a prohibited discharge and/or Section 311 of the Clean Water Act (33 U.S.C. 1321) shall have on file a spill control plan prepared by a registered professional engineer. When deemed necessary by the Control Authority, the User shall file with the Control Authority a copy of the plan and a letter indicating that such a plan is in effect.
(d) The Control Authority shall evaluate once per permit cycle whether each Significant Industrial User needs an accidental discharge/slug discharge control plan or other action to control slug discharges. The Control Authority may require any User to develop, submit for approval, and implement such a plan or take such other action that may be necessary to control slug discharges. Alternatively, the Control Authority may develop such a plan for any User. An accidental discharge/slug discharge control plan shall address, at a minimum, the following:
(1) Description of discharge practices, including nonroutine batch discharges;
(2) Description of stored chemicals;
(3) Procedures for immediately notifying the Control Authority of any accidental or slug discharge, as required by Section 930.13(f) of this chapter; and
(4) Procedures to prevent adverse impact from any accidental or slug discharge. Such procedures include, but are not limited to, inspection and maintenance of storage areas, handling and transfer of materials, loading and unloading operations, control of plant site runoff, worker training, building of containment structures or equipment, measures for containing toxic organic pollutants, including solvents, and/or measures and equipment for emergency response.
(e) Each User shall take reasonable and necessary steps to reduce or eliminate any adverse effects of an accidental discharge on the City's treatment works.
(f) In the case of an accidental release, it shall be the User's responsibility to report all accidents to the Control Authority in accordance with the requirements set forth in Section 930.13 (f).
(Ord. 210-12. Passed 5-8-12.)