Section 12A-87 Applicability
Prior to the adoption of Ord. 21407 on 09/04/2012, Section 12A-87 read as follows.
This article shall apply to all developments
and redevelopments that alter the surface
with the exceptions and exemptions set forth in subsections (b), (c), (d) and (e).
but not limited to, pavement, buildings and structures with the following exceptions:
(1) Single-family and two-family lots within an approved preliminary
(2) Logging activity performed with a city-approved
logging plan; and
(3) Additions or modifications to single-family
and two-family structures.
Stormwater detention is not required for redevelopment within the central business
Attached and detached single-family residences, farmland and domestic gardens are
exempt from the provisions of this article.
(c) The following exceptions apply to this article
when the development of the site results in
a land disturbance of less than one (1) acre and is not a part of a larger common plan of
development or sale that would disturb one (1) acre or more:
(1) Lots within an approved preliminary plat or final
plat used for single-family and two-family residences and land disturbance on an individual residential
(2) Land disturbances of less than ten thousand (10,000)
square feet that do not create more
than five hundred (500) square feet of additional impervious surface;
(3) Maintenance and repair of impervious surface,
including gravel and stone impervious
(4) Redevelopment of a site less than one (1) acre.
(d) Redevelopment on a site of one (1) acre or more
is eligible for partial exceptions from
the requirements of this article, as set out in the stormwater manual, if the redevelopment:
(1) Does not have an adverse impact on any mapped
critical downstream location; and
(2) Incorporates water quality protection.
The director shall track, map, add and remove known critical downstream locations and make
this information available to the public. The director shall set forth criteria in the stormwater
manual that details the partial exemption under this subsection.
) Stormwater management shall be provided
in accordance with the conceptual
stormwater management plan
for land in zoning districts PUD, O-P, C-P, M-R and M-P , for
which a conceptual stormwater management plan was approved before September 4, 2007
land in any other zoning district for which a site plan was approved before September 4 2007,
unless a revision to the plan for the site is requested which adversely impacts the storm water
discharge from the site. An adverse impact is one that significantly increases
the volume of
stormwater discharge from the site, decreases the water quality of the storm water discharge, or
redirects the storm water discharge in a manner that results in downstream stormwater drainage
impacts that would not have occurred with the original plan. Approvals for stormwater plans
approved before August 20, 2012 shall expire on January 1, 2016 for sites on which the planned
work has not commenced. Approval of all stormwater plans approved on or after August 20,
2012 shall expire seven (7) years after the date of approval if the planned work has not
in accordance with the approved conceptual stormwater management plan or in
accordance with this article.
(Ord. No. 13019, § 1, 7-1-91; Ord. No. 13859 § 1, 11-15-93;
Ord. No. 19442, § 2, 3-5-07