HomeMy WebLinkAboutERC_Report_Illicit_Discharge_20171109DEPARTMENT OF COMMUNITY
AND ECONOMIC DEVELOPMENT
ENVIRONMENTAL REVIEW COMMITTEE REPORT
ERC MEETING DATE: November 13, 2017
Project Name: Illicit Discharge Code Amendments
Owner: City of Renton
Applicant: City of Renton
Contact: Angie Mathias, Long Range Planning Manager
Kristina Lowithian, Civil Engineer I
File Number: LUA 17-000764, ECF
Project Manager: Angie Mathias, Long Range Planning Manager
Project Summary: Proposed amendments to City Code to comply with State requirements for
Western Washington Phase II Municipal Stormwater Permit holders.
Project Location: Citywide
Exist. Bldg. Area SF: N/A Proposed New Bldg. Area (footprint):
Proposed New Bldg. Area (gross):
N/A
N/A
Site Area: N/A Total Building Area GSF: N/A
STAFF
RECOMMENDATION:
Staff Recommends that the Environmental Review Committee issue a
Determination of Non-Significance (DNS).
PART ONE: PROJECT DESCRIPTION / BACKGROUND
The City holds a Western Washington Phase II Municipal Stormwater Permit (Permit) issued by the
Washington State Department of Ecology. The Permit requires that the permittee adopt an ordinance or
regulatory mechanism to effectively prohibit illicit discharges into the City’s storm sewer system. RMC 4-6-
030 regulates illicit stormwater discharges to the municipal separate storm sewer system to prevent
contamination of surface water, groundwater and watercourses. This section regarding illicit discharges
needs to be amended to meet the Permit requirements. The proposed draft code amendments update
the definitions in RMC 4-6-100 and clarify prohibited, allowable, and conditionally allowable discharges in
RMC 4-6-030 to be consistent with the current 2013-2018 Permit. The proposed draft code amendments
also update definitions for consistency with the Permit. Definitions for illicit connection, illicit discharge,
and municipal separate storm sewer system are proposed to be amended and the definition of
stormwater is proposed to be added for consistency with the Permit definitions. Finally, proposed
amendments to RMC 4-6-030 section J. Discharge Prohibition include examples of illicit discharges,
definition of allowable discharges and definition of conditionally allowable discharges.
City of Renton Department of Community & Economic Development Environmental Review Committee Report
ILLICIT DISCHARGE CODE AMENDMENTS LUA 17-000764, ECF
Report of November 13, 2017 Page 2 of 2
ERC Report 17-000764
PART TWO: ENVIRONMENTAL REVIEW
In compliance with RCW 43.21C.240, the following environmental (SEPA) review addresses only those
project impacts that are not adequately addressed under existing development standards and
environmental regulations.
A. Environmental Threshold Recommendation
Based on analysis of probable impacts from the proposal, staff recommends that the Responsible
Officials:
Issue a DNS with a 14-day Appeal Period.
B. Mitigation Measures
None.
C. Exhibits
None.
D. Environmental Impacts
There are no environmental impacts that are anticipated to occur in conjunction with the proposal.
E. Comments of Reviewing Departments
The proposal will be circulated to City Department Division Reviewers and appropriate agencies.
All substantive comments will be provided to the Responsible Officials for their consideration and
possible recommendation that the comments be incorporated as “Advisory Notes to Applicant.”
Environmental Determination Appeal Process: Comments and Appeals of the environmental
determination must be filed in writing on or before 5:00 PM on December 1, 2017.
Renton Municipal Code Section 4-8-110.B governs appeals to the Hearing Examiner. Appeals must be filed
in writing at the City Clerk’s office along with the required fee. Additional information regarding the
appeal process may be obtained from the City Clerk’s Office, Renton City Hall - 7th Floor, 1055 S. Grady
Way, Renton WA 98057.