2539ORDINANCE NO.2539
AN ORDINANCE CREATING CHAPTER 13.02 OF THE MOSES LAKE MUNICIPAL CODE
ENTITLED "STORMWATER ILLICIT DISCHARGE DETECTION AND ELIMINATION"
THE CITY COUNCIL OF THE CITY OF MOSES LAKE.WASHINGTON ORDAINS AS FOLLOWS:
Section 1.Chapter 13.02 of the Moses Lake Municipal Code entitled "Stormwater Illicit Discharge Detection
and Elimination"is created as follows:
13.02.010 Purpose:The purpose of this chapter is to regulate the contribution of pollutants,and to prohibit
illicit connections to the City's stormwater system
13.02.020 Illicit Discharges:No person shall discharge or cause to be discharged to the City's stormwater
system any illicit discharge including the following:
A.Trash or debris.
B.Grass clippings,leaves,or other yard wastes.
C.Construction material including cement,concrete,or soil.
D.Petroleum products including oil,gasoline,grease,fuel oil,or heating oil.
E.Antifreeze or other automotive products.
F.Metal in excess of naturally occurring amounts in either particulate or dissolved forms.
G.Sewage
H.Food waste.
I.Flammable or explosive material.
J.Chemicals not normally found in uncontaminated water.
K.Acids or alkalis with a pH of lower than 6.0 or higher than 11.
L.Paint,stains, resins,lacquers,dyes,or varnishes.
M.Degreasers,detergents,drain cleaners,or solvents.
N.Commercial and household cleaning products.
O.Pesticides, herbicides,fertilizers,or soil amendments.
P.Steam-cleaning ,or pressure-washer wastes.
Q.Soaps,or ammonia.
R.Industrial waste water.
S.Animal fecal or processing matter.
,,T.Swimming pool cleaning wastewater and filter backwash.
U.Process associated discharge except as allowed in this chapter.
ORDINANCE NO. 2539
PAGE 2 November 24,2009
V.Other Hazardous wastes that are not defined above
13.02.030 Allowed Non-Stormwater Discharges:The following discharges to the City's stormwater system
are allowed provided they do not exceed the capacity of the stormwater system:
A.Uncontaminated groundwater pumped from foundation drains and crawl spaces.
B. Air conditioner condensation.
C.Emergency fire fighting activities.
13.02.040 Conditional Non-stormwater Discharges:The following discharges areallowed provided theymeet
the following conditions and that they do not exceed the capacity of the stormwater system.
A.Non-stormwater discharge permitted under an NPDES permit issued by the Department of
Ecology.
B.Water from potable sources,including water main flushing,hyper-chlorinated water main
flushing,fire hydrant system flushing,and water main hydrostatic test water provided the water
is dechlorinated to a concentration of 0.1 ppm or less,the pH is from 6 to11,and the velocity
controlled to prevent resuspension of sediments.
C.Swimming pool discharges provided the water is dechlorinated to a concentration of 0.1 ppm
or less,the pH is from 6 toll,and the velocity controlled to prevent resuspension of
sediments.
D.Street and sidewalk wash water from a potable supply,provided that debris from the streets
and sidewalks is swept and removed prior to washing the streets
13.02.050 Existing Illicit Connections and Discharges:Illicit connections made in the past,regardless of
whetherthe connection was permissible under law or practices applicable or prevailing at the time
of connection,are expressly prohibited.Elimination of the illicit connections shall be made by the
property owner within six (6)months after the date of official notice to do so.
13.02.060 Waste Disposal:No person shall throw,deposit,leave,maintain,or keep in or upon any public or
private property any refuse,rubbish,garbage,litter,or other discarded or abandoned objects,
articles,or accumulations that may cause contamination to the stormwater system.Wastes
deposited in waste receptacles,designed for the purposes of collection,are exempt from this
prohibition.
13.02.070 Best Management Practices:All property owners shall provide reasonable protection from
accidental discharge of prohibited material into the Cit/s stormwater system through the use of
structural and nonstructural BMPs listed and described in the Stormwater Management Manual
for Eastern Washington.
13.02.080 Notification of Spills:The property owner upon having information of any known or suspected illicit
discharges from their property into the stormwater system or Moses Lake shall take the following
steps:
A.Take all necessary steps to ensure the discovery,containment,and cleanup of the discharge.
B.For hazardous materials,immediately notify emergency dispatch service at 911,and the City's
IDDE hotline number at 764-9277.
C.For nonhazardous materials immediately notify the City's IDDE hotline number at 764-9277.
ORDINANCE NO.2539
PAGE 3 November 24,2009
13.02.090 Severabilitv:If any provision of this chapter or its application to any person or circumstance is held
invalid,the remainder of this chapter or the application of the provisions of this chapter are
declared to be severable,and shall remain in full effect.
Section 2.This ordinance shall take effect and be in force five (5)days after its passage and publication of
its summary as provided by law.
Adopted by the City Council and signed by its Mayor on Noyember_24.2009.
ATTEST:
Ronald C.Covey,Mayo,
Ronald R.Cone,Finance Director
APPROVED AS TO FORM:
James A.Whilaker,City Attorney
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