13.26.010   Standard of discharge.

Unless approved by the city engineer, it is unlawful to directly or indirectly discharge or cause to be discharged into the public sewer system or any drain, ditch or natural outlet, wastewater which contains more than one hundred parts per million by weight of fat, oil or grease of animal, vegetable or mineral petroleum origin.

(Ord. 535 § 1 (part), 1995)

13.26.020   Pretreatment facilities.


The city engineer may require the installation of a grease or oil interceptor or trap, or any combination of these, on any public or private sewer line when, in the opinion of the city engineer, such pretreatment facility is necessary for the proper handling of liquid waste containing grease or oil in amounts exceeding the level established in Section 13.26.010.


All pretreatment facilities shall be of a type and capacity approved by the city engineer and shall be located so as to be readily and easily accessible for maintenance and inspection at the sole expense of the user or applicant.


Pretreatment facilities shall be constructed of impervious material capable of withstanding abrupt and extreme changes in temperature. They shall be of substantial construction, water-tight and equipped with easily removable covers which when bolted in place shall be gas-tight and watertight. Where installed, all grease and oil interceptors and traps shall be maintained by the owner or occupant at his or her expense, in continuously efficient operation at all times.


Plans, specifications and any other pertinent information relating to proposed pretreatment facilities shall be submitted for approval to the city engineer. Construction of such facility shall not begin until the city engineer's approval is noted on the plan.

(Ord. 535 § 1 (part), 1995)

13.26.030   Measurements, tests and analysis—Standards.

All measurements, tests and analysis of the characteristics of waters and waste to which reference is made in this chapter shall be determined in accordance with the latest addition of "Standard Methods for the Examination of Water and Wastewater" published by the American Public Health Association. Sampling methods, location, times, durations and frequencies are to be determined on an individual basis subject to approval by the city engineer.

(Ord. 535 § 1 (part), 1995)

13.26.040   Right of entry for inspection.

The city engineer or his duly authorized designee, bearing proper identification and credentials, may with the consent of the occupant or with the consent of owner of unoccupied premises or pursuant to a lawfully issued warrant enter upon any and all premises at all reasonable times, or during an emergency, at any time, for the purpose of inspection, observation, measurement, sampling and testing of sewer and sewage waste in accordance with the provisions of this chapter.

(Ord. 535 § 1 (part), 1995)

13.26.050   Authority to post notices.

The city engineer is authorized to post notice on private property at or abutting the scene of any violation of this chapter, calling for the terms of this chapter to be complied with. A notice may require work to cease if necessary.

(Ord. 535 § 1 (part), 1995)

13.26.060   Violation of chapter.

Violation of or failure to comply with the provisions of this chapter, shall subject the offender to a fine of one thousand dollars or imprisonment for no more than ninety days, or both; each day that any violation or failure to comply exists shall constitute a separate offense.

(Ord. 535 § 1 (part), 1995)

13.26.070   Liability for injury or damage.

Nothing contained in this chapter is intended to be nor shall be construed to create or form the basis for any liability on the part of the city, or its officers, employees or agents, for any injury or damage resulting from the failure of a sewer to conform to the provisions of this chapter or by reason or in consequence of any inspection, notice, order, certificate, permission or approval authorized, issued or done or failure to act in connection with the implementation or enforcement of this chapter, or by reason of any action or inaction on the part of the city related in any manner to the enforcement of this chapter by its officers, employees or agents.

(Ord. 535 § 1 (part), 1995)