HomeMy WebLinkAboutOrdinance 2014-005 Revising Floodplain Development Regulations 6-16-14son,
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WHEREAS, the City of Arlington has consulted with FEMA concerning the City's
compliance with the September 22, 2008 Biological Opinion of the National Marine Fisheri
Service (NMFS); and I
WHEREAS, the City Council conducted a public hearing on the proposed revisions on
June 16, 2014; and
WHEREAS, the City Council wishes to approve the amendments to the city's
development regulations;
NOW, THEREFORE, the City Council of the City of Arlington do hereby ordain as
follows:
Section 1. Arlington Municipal Code Section 20.64.060(a) shall be and hereby is
amended to read as follows:
20.64.060 (a) Basis for Establishing the Areas of Special Flood Hazard.
(a) The areas of special flood hazard identified by the Federal Insurance
Administration in a scientific and engineering report entitled "The Flood
Insurance Study for Snohomish County and incoKporated Areas" (in which the
City of Arlington is incorporated) dated September 16, 2005 29, 2006, or as
amended, with an accompanying Flood Insurance Rate Map (FIRM), as amended,
are hereby adopted by reference and declared to be a part of this ordinance. The
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Olympic, Arlington, Washington. The best available information for flood hazard
area identification as outlined in Subsection (b) shall be the basis for regulation
until a new FIRM is issued which incorporates the data utilized under Subsection
(b).
Section.. 2. Arlington Municipal Code section 20.64.150(b) shall be and hereby is
amended to read as follows:
(b) General Development standards to be followed in Special Flood Hazar
Area include:
lot has a buildable site out of the Special Flood Hazard Are�
all new structures shall be located there, when feasible. If the lot is full
in the floodplain, structures must be located to have the least impact o
salmon.
2. Stormwater and drainage features shall incorporate low impa(
development techniques that mimic pre -development hydrolog]
conditions, when technically feasible.
3. Creation of new impervious surfaces shall not exceed 10 percent
the surface area of the portion of the lot in the floodplain unless mitigatio
is provided and maintained that functions as "10% effective impervioL
surface".
4. Any loss of floodplain storage shall be avoided, rectified
compensated for as identified in (20,88.530)
5. Uses that are not permitted in the Protected Area unless shown n(
to adversely affect water quality, habitat, etc., include septic tanks an
drain fields, dumping of any material, hazardous or sanitary wasl
landfills: receiving area for toxic or hazardous waste or oth(
contaminants.
6. a. The proposed action must be designed and located so that ne,
structural flood protection is not needed.
b. When there is a need to renair existina bank stabilizatic
structure,, )r tect ex strtictitre the applicatit SIM11 Litili'
bioengineering per the Integrated Streambank Protection Guidelin(
(2003).
7. New road crossing over ESA listed streams within the speci
flood hazard area are prohibited unless a concurrence letter from NMFS
a habitat assessment demonstrating "no adverse affect" is received,
8. Uses that are allowed in the existing or equivalent zoning and
not require an up-zog increasing floodplain development densities,
participate in a TDR program that results in an equivalent or greater ar
of Stillaguarnish floodplain to be protected from development
perpetuity. I
nin
Section 3. Arlington Municipal Code Section 20.93.530 shall be and hereby is amended
to read as follows:
All land uses and development proposals shall comply with the regulations for
general and specific flood hazard protection (see Chqpter 20.64, Floodways,
Floodplains, Drainage, and Erosion). Development shall not reduce the effective
base flood storage volume. Reduction of the floodwater storage volume
effectiveness due to grading, construction, or other regulated activities shall be
compensated for by creating on- or off -site detention and/or retention pon
Effective storage capacity must be maintained. I
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1%tase flood data and flood hazard notes shall be on the face of- any recorded pTat—or
site plan including, but not limited to, base flood elevations, flood protection
--levation, boundary of floodplain and zero rise floodway.
Section 4. Severability. If any provision, section, or part of this ordinance shall bio
adjudged to be invalid or unconstitutional, such adjudication shall not affect the validity of thi.
ordinance as a whole or any section, provision or part thereof not adjudged invalid or
unconstitutional.
Section 5. Effective Date. This ordinance shall be effective five days from its adoption
and publication as required by law.
PASSED BY the City Council and APPROVED by the Mayor this Ok-day of
2014,
CITY OF ARUNGTON
Barbara Tolbert, May -or
Attest:
--Ba!tfield, City, Ulej k
Approved as to form:
Ste ell J� 1il' e
Cit`sic
;
1, Kristin Banfield, being the duly appointed and acting Clerk of the City of Arlington,
Washington, a municipal corporation, do hereby certify that the following Ordinance No. 2014-
005 was approved at the June 16, 2014 City Council meeting.
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