2568ORDINANCE NO.2568
AN ORDINANCE AMENDING 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 amended as follows:
13.02.040 Conditional Non-stormwater Discharges:The following non-stormwater discharges to the City's
stormwater system are allowed provided that the non-stormwater discharge does not exceed the
capacity of the City's 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 that
the water is de-chlorinated to a concentration of 0.1 ppm or less,the pH is from 6 to11,and
the velocity is controlled to prevent resuspension of sediments.
C.Swimming pool discharges provided that the water is de-chlorinated to a concentration of 0.1
ppm or less,the pH is from 6 to11,and the velocity is 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.
13.02.070 Best Management Practices fBMPs):All property owners shall provide reasonable protection
from accidental discharge of prohibited material into the City'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 shall take the following steps upon discovery or
notification of suspected illicit discharges from their property into the stormwater system or Moses
Lake.
A.Act 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 Stormwater Program Manager at City Hall.
C.For nonhazardous materials immediately notify the City's Stormwater Program Manager at
City Hall.
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 July
ATTEST—Jon LaoJ/Mayor
/{LA-uL^M^.^-^APPROVED AS TO FORM:
Rc/rfald R.Cone,Finance D7rectoT
James A.Whitaker,City Attorney