Legal Documents of Maryville
Code of Maryville
Title 18 Water and Sewers
Chapter 2 Sewage And Human Excreta Disposal
18-207 : Grease, oil and sand traps and separators.
- General requirements. Gravity-type separators, interceptors or other such devices for the removal of oil, grease, sand, grit, glass, entrails or other such material likely to create or contribute to a blockage of the wastewater collection system or otherwise interfere with the operation of the POTW are required at commercial sources where required by the International Plumbing Code or where required by other ordinance or regulation of the City of Maryville. Such devices shall be of a type and capacity approved by the control authority and shall be located as to be readily and easily accessible for cleaning, pumping and inspection.
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Design, review and approval of traps and separators. During the site plan review conducted by the City of Maryville personnel of proposed commercial and industrial developments, the need for traps or separators will be determined. If a trap or separator is required, detailed plumbing plans shall be submitted to the control authority prior to commencement of construction.
Minimum grease trap size shall be one thousand (1,000) gallons.
All grease traps shall meet design criteria as described in rules, regulations, rates and policies manual. Persons wishing to install precast concrete septic tanks or concrete tanks shall submit to the control authority design drawings. A field inspection shall be required to ensure the installation complies with the approved drawings and adequate baffling was installed.
- Exemptions. Commercial sources in operation prior to January 19, 1993 are excluded from the minimum requirements of this section, but shall be required to install and maintain a gravity-type separator, interceptor or other such device at the kitchen sink for removal of oil and grease. Such devices shall be the largest type available that will fit under the sink and shall not be connected to any dishwashers. Such devices will be allowed to remain in service until such time as the control authority determines the device is not preventing prohibited substances from entering the POTW or the device is not being maintained with adequate frequency. If the control authority makes such a determination, the establishment shall install a device in full compliance with this section.
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Maintenance of traps and separators. It shall be the duty of every establishment required to have traps or separators to maintain the devices, have the devices pumped whenever the level of grease or other substance has reached the top of the effluent pipe from the device, or when it appears to the control authority that prohibited substances are leaving the device and are being discharged into the POTW.
Each establishment is required to maintain a maintenance log with an original copy of the manifest on all traps and separators. The log shall show the date of all cleanings, the name of the person and organization performing the cleaning and the disposition of the removed substances. The establishment must obtain a manifest confirming the pumping, hauling, and disposal of waste from the hauler. The maintenance log and manifests shall be available during business hours for examination by the control authority. Failure to comply with the reporting requirements shall be deemed a violation of this chapter of the Maryville Municipal Code.
- Disposal of trap and separator wastes. Acceptable disposal options for the wastes removed from traps and separators include recycling collectors and trash disposal or commercial collectors. Disposal methods shall comply with all state all local regulations.
- Periodic inspection of traps and separators. Personnel from the City of Maryville shall be permitted ready access to inspect all traps and separators for compliance with the Municipal Code. If found in violation, the user shall be issued a seven (7) day notice to come into compliance. Failure to correct noncompliance within the seven (7) day period will result in termination of water service. If termination of water service will possibly result in a threat to public health, the trap or separator will be pumped and cleaned by City of Maryville personnel. The user shall reimburse the City of Maryville for all labor, equipment, supplies and disposal costs incurred by the city to pump and clean the trap or separator. The charges will be added to the user's utility bill.
- Charges and fees. Users required to install and maintain a gravity-type separator, interceptor or other such device shall be subject to an annual fee as required by the current water and wastewater rate schedule. All fees will appear on the user's utility bill. In the event that the user fails to pay the fee, water service shall be terminated until such time as all fees and any other charges, including late charges, have been paid.
- Violations. Any person who willfully or negligently violates any provision of this section or any orders or permits issued hereunder shall be subject to enforcement action as set forth in § 18-208 herein. (Ord. #2021-42, Dec. 2021)
Officials at Date of Last Codification:
Mayor - Andy White
Vice-Mayor - Fred Metz
Council Member - Sarah Herron
Council Member - Tommy Hunt
Council Member - Drew Miles
City Manager - Greg McClain
Assistant City Manager - Kevin Stoltenberg
City Recorder/Financial Services Director - Sherri Phillips
City Attorney - Melanie Davis