Chapter 22 PUBLIC WORKS AND IMPROVEMENTS*
Section 22-216 Unusual waste subject to review, regulation and approval.
(a) Wastes which are unusual in composition, i.e., contain an extremely large
amount of total
suspended solids or BOD; are high in dissolved solids such as sodium chloride, calcium chloride,
or sodium sulfate; or are in any other way unusual, shall be reviewed by the director, who will
determine whether such wastes shall be prohibited from or may be admitted to the city sewers or
shall be modified or treated before being admitted. Wastes which, in the opinion of the director,
are unusual or highly variable in volume shall be subject to flow equalization or other forms of
(b) Any water or waste which, by interaction with other water or wastes in the
system, releases obnoxious gases or develops color of undesirable intensity, or forms suspended
solids in objectionable concentration, or creates any other condition deleterious to structures and
treatment processes, shall be subject to control of the director.
(c) The admission into the public sewers of any water
or waste (1) having a five-day
biochemical oxygen demand greater than two hundred (200) mg/l; or (2) containing more than
two hundred forty (240) mg/l of total suspended solids; or (3) having a COD greater than four
hundred (400) mg/l; or (4) having an average daily flow or a maximum peak flow greater than
allotted percentages of the total average wastewater flow or maximum peak flow in a sewer or to
a treatment facility as allocated by the director; or (5) containing any quantity of substances
having the characteristics described in Section 22-215 or Section 22-215.05, shall be subject to
the review and approval of the director. Where necessary in the opinion of the director, the
owner shall provide at his expense such preliminary treatment as may be necessary to (1) reduce
the biochemical oxygen demand to less than two hundred (200) mg/l, the total suspended solids
to less than two hundred forty (240) mg/l and the COD to less than four hundred (400) mg/l; or
(2) control the quantities and rates of discharge of such waters or wastes; or (3) reduce
objectionable characteristics or constituents to within the maximum limits provided for in
Section 22-215 or Section 22-215.05, or meet applicable state or federal pretreatment standards.
Plans, specifications, compliance schedules and any other pertinent information relating to
proposed preliminary treatment facilities shall be submitted for the approval of the director, and
no construction of such facilities shall be commenced until such approval is obtained in writing.
(d) Any decision of the director concerning this section and/or pretreatment
standards may be
appealed to the city council by filing a statement with the city clerk within ten (10) days after the
director's decision. Such statement shall include:
(1) Name and address of party;
(2) Name and address of business;
(3) Original request to the director;
(4) Director's decision;
(5) Additional supporting documentation;
(6) Suggested reasoning for upholding or denial of appeal.
The city council will decide the appeal within a reasonable time and notify the parties of its
(Code 1964, § 14.790; Ord. No. 10059, § 2, 2-6-84; Ord. No. 10857, § 1, 1-6-86; Ord.
§ 1, 8-5-96; Ord. No. 19649, § 1, 9-4-07)
(Ord. 19649, Amended, 09/04/2007, Prior Text)