ORD 2001-49 SURFACE & STORMWATER MANAGEMENTORDINANCE 2001-49
AN ORDINANCE of the City of Bainbridge Island, Washington,
relating to Surface and Stormwater Management, amending
Section 15.20.020 and Section 15.20.060 of the Bainbridge
Island Municipal Code.
WHEREAS, Chapter 15.20 of the Bainbridge Island Municipal Code contains
procedures for surface and storm water management; and
WHEREAS, the City wants to have clear guidelines for the responsible
maintenance and operation for all proposed and or constructed stormwater facilities and
Best Management Practices (BMPs); now therefore,
THE CITY COUNCIL OF THE CITY OF BAINBRIDGE ISLAND,
WASHINGTON, DO ORDAIN AS FOLLOWS:
Section 1. Section 15.20.020, 62 of the Bainbridge Island Municipal Code is
amended as follows:
62. "Storm water management manual" or "(manual)" means the manual adopted by
reference and prepared by Washington State Department of Ecology, dated February
1992 Publication Number 91-75, which contains BMPs to prevent or reduce pollution.
Section 2. Section 15.20.060, g., 8 and 10. of the Bainbridge Island Municipal
Code is amended as follows:
g. Small Parcel Requirement #7 - Other BMPs. Other appropriate BMPs to mitigate the
effects of increased runoff will be required if the base requirements do not have sufficient
protection or controls. Developers shall provide additional BMP's and systems for storm
water control.
8. Minimum Requirement #8 - Off-Site Analysis and Mitigation. All development
projects shall conduct an analysis of off-site water quality and quantity impacts resulting
from the project and shall mitigate these impacts. The analysis shall extend a minimum of
one-fourth of a mile downstream from the project. The existing or potential impacts to be
evaluated and mitigated shall include, at a minimum, but not be limited to:
a. Excessive sedimentation;
b. Streambank erosion;
c. Discharges to ground water contributing or recharge zones;
d. Violations of water quality standards;
e. Spills and discharges of priority pollutants.
f. Impacts to public rights-of-way including culverts
g. Flooding
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10. Minimum Requirement #10 - Operation and Maintenance. A complete operation
and maintenance schedule shall be submitted to the Department of Public Works for all
proposed and/or constructed storm water facilities and BMPs in accordance with BIMC
15.21. The operation and maintenance schedule shall be recorded as public record and
include the executed Declaration of Covenant. The specific party (or parties) responsible
for maintenance and operation shall be identified. This requirement shall become a
condition of any new occupancy and enforced as outlined in BIMC 1.26.
Section 5. Effective Date. This ordinance shall take effect and be in force
five days from and after its passage, approval and publication as required by law.
PASSED by the City Council this 12th day of December 2001.
APPROVED by the Mayor the 13th day of December 2001.
ATTEST/AUTHENTICATE:
~USAN P. KAS"'PER, City Clerk
APPROVED AS TO FORM:
ROD P. KASEGUMA, City Attorney
FILED WITH THE CITY CLERK:
PASSED BY THE CITY COUNCIL:
PUBLISHED:
EFFECTIVE DATE:
ORDINANCE NO.:
November 7, 2001
December 12, 2001
December 19, 2001
December 24, 2001
2001-49
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