(A) All users shall be prohibited from allowing slug discharges, as elsewhere defined herein, from entering the District’s sewerage system.
(B) Each user shall provide protection from slug discharges of restricted materials or other substances regulated by this chapter. No user who commences contribution to the sewerage system after the effective date of this chapter shall be permitted to introduce pollutants into the system until the need for slug discharge control plans or procedures has been evaluated by the District. Facilities to prevent slug discharges of restricted materials shall be provided and maintained at the user’s own cost and expense.
(C) Certain users will be required to prepare slug discharge prevention and contingency plans (SDPC) containing at least the following information:
(1) A description of the discharge practices including non-routine batch discharges;
(2) A description of stored chemicals;
(3) The procedures for promptly notifying the District of slug discharges, including any discharge that would violate a specific discharge prohibition with procedures for follow-up written notification within five days;
(4) If required by the District, procedures to prevent adverse impact from accidental spills, including maintenance and inspection of storage areas, handling and transfer of materials, loading and unloading operations, control of plant site runoff, worker training, building or containment structures or equipment, measures for containing toxic organic pollutants (including solvents) and/or measures or equipment for emergency response; and
(5) If required by the District, follow-up practices to limit the damage suffered by the treatment plant or the environment.
(D) These plans shall be submitted to the District for review and approval. All users required to have SDPC plans shall submit such a plan within three months and complete implementation within six months of notice regarding the requirements of such plan. Review and approval of such plans and operating procedures shall not relieve the user from the responsibility to modify the user’s facility as necessary to meet the requirements of this chapter.
(E) In the case of a slug discharge, it is the responsibility of the user to immediately notify the District of the incident. The notification shall include location of the discharge, type of waste, concentration and volume and corrective action. The user shall provide the District with a detailed, written report of this incident in a manner and within the time frame as elsewhere provided in this chapter.
(F) A notice shall be permanently posted on the user’s premises advising the employees who to call in the event of a slug discharge. The user shall ensure that all employees who may cause or allow such slug discharge to occur are advised of the emergency notification procedure.
(G) Each user who violates any of the requirements of the slug discharge program, or allows a slug discharge to occur, shall be subject to the enforcement provisions of this chapter.
(Ord. 2022-02, passed 3-31-2022)