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Earlier editions: 2026-09

Subpart A - GENERAL ORDINANCES›Chapter 62 — UTILITIES›Article V — SEWAGE DISPOSAL

Pomona Municipal Code § 62-472 Installation of grease interceptors

Pomona Municipal Code · 2026-10 edition · updated 2026-10-04 · Pomona

Cite as: Pomona Municipal Code § 62-472 · Text as of 2026-10-04

Footnotes:

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Cross reference— Environment, ch. 18.

Sec. 62-471. - Grease interceptors required for packing plants and certain other…

In order to prevent clogging of waste lines with grease and to prevent large quantities of grease from reaching the disposal plant, grease interceptors shall be installed in all packing plants and in any other establishment that may be a source of food fats and greases.

(Code 1959, § 27-28; Ord. No. 910, § 335; Ord. No. 2322, § 1 (part))

Exceptions & meaning →

Sec. 62-472. - Installation of grease interceptors.

All grease interceptors shall be installed as near as possible to fixtures discharging greasy waste and in such a manner that the top shall be easily accessible for cleaning. The discharge pipe shall be properly vented to prevent siphonage of the interceptor contents and in compliance with the California Plumbing Code.

(Code 1959, § 27-29; Ord. No. 910, § 335)

Exceptions & meaning →

Sec. 62-473. - Capacity of grease interceptors.

Every grease interceptor shall have a minimum rate of flow capacity adapted to the fixture to which it may be connected and an accumulated grease capacity large enough that its average efficiency will not drop below 90 percent at the end of a normal cleaning period.

(Code 1959, § 27-30; Ord. No. 910, § 335)

Exceptions & meaning →

Sec. 62-474. - Cleaning of grease interceptors.

All grease interceptors shall be cleaned by the owner or operator at least once each week and more often if necessary to maintain the required efficiency of grease removal.

(Code 1959, § 27-31; Ord. No. 910, § 335; Ord. No. 4258, § 4, 9-9-2019)

Exceptions & meaning →

Sec. 62-475. - Sand traps required for certain establishments.

In all establishments equipped with wash racks, floor drains, or wash tanks for cleaning machined parts or other material, there shall be installed sand boxes of an approved type and having such a capacity that the flow-through velocity shall be not greater than one foot per second, for the interception of mud, sludge or grease.

(Code 1959, § 27-32; Ord. No. 910, § 336)

Exceptions & meaning →

Sec. 62-476. - Installation of sand traps.

All sand boxes required under this division shall conform to and be installed in accordance with the California Plumbing Code.

(Code 1959, § 27-33; Ord. No. 910, § 336)

Exceptions & meaning →

Sec. 62-477. - Cleaning of sand traps.

All sand boxes required under this division shall be cleaned by the owner or operator at least once each week and more often if necessary to maintain the required efficiency of grease, mud or sludge removal.

(Code 1959, § 27-34; Ord. No. 910, § 336; Ord. No. 4258, § 4, 9-9-2019)

Exceptions & meaning →

Sec. 62-478. - Inspection authority and enforcement.

Inspection of grease producing facilities shall be conducted annually by an authorized city official. Inspection and enforcement authority for compliance with this division shall be in accordance with chapter 18, article X, division 2.

(Ord. No. 4258, § 4, 9-9-2019)

Exceptions & meaning →

Sec. 62-479. - Method of cost recovery.

A grease producing facility inspection fee shall be established by resolution of the city council and collected on an annual basis at the time of application for issuance of a business license. Affected businesses shall include grease producing facilities, subject to the provisions of this division and state water resources control board regulations.

(Ord. No. 4258, § 4, 9-9-2019)

Exceptions & meaning →

Secs. 62-480—62-500. - Reserved.

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