Boonville Additional pretreatment measures ordinance (§ 21-222)

(a) Whenever deemed necessary, the superintendent may require users to restrict their discharge during peak flow periods, designate that certain wastewater be discharged only into specific sewers, relocate and/or consolidate points of discharge, separate sewage wastestreams from industrial wastestreams, and such other conditions as may be necessary to protect the POTW and determine the user's compliance with the requirements of this article.

(b) The superintendent may require any person discharging into the POTW to install and maintain, on their property and at their expense, a suitable storage and flow-control facility to ensure equalization of flow. A wastewater discharge permit may be issued solely for flow equalization.

(c) Oil, grease, and sand interceptors shall be provided when, in the opinion of the superintendent, they are necessary for the proper handling of wastewater containing excessive amounts of oil and grease, or sand; except that such interceptors shall not be required for residential users. All interception units shall be of type and capacity approved by the Superintendent and shall be so located to be easily accessible for cleaning and inspection. Such interceptors shall be inspected, cleaned, and repaired regularly, as needed, by the user at their expense. Users required to provide oil and grease interceptors shall retain and make available for inspection and copying, records of proper disposal of such substances. Records shall include date of removal, person(s) responsible for transportation and disposal of the substances, and receiving facility. These records shall remain available for a period of at least three years.

(d) Users with the potential to discharge flammable substances may be required to install and maintain an approved combustible gas detection meter.