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Article 11 Environmental Standards
11-22 Activities Allowed Within Buffers
Wake County Unified Development Code
11-8
(5)
side slopes do not exceed a 2:1 horizontal: vertical ratio (bridging and/or retaining
walls may be used to meet this and the disturbance width standard); and
(6)
all culverts are designed and constructed for the 25-year storm event or as otherwise
required by the Department of Environmental Services.
Commentary: The State of North Carolina does not recognize pervious pavements as a Best Management Practice. Therefore, it
cannot be credited as pervious area, although the county continues to encourage the use of pervious paving materials and/or
dual ribbon design.
(L)
Scientific studies and stream gauging
(M)
On-site sewage disposal systems and irrigation of reclaimed water meeting the standards
set forth in 15A NCAC 02H .0219 (k) of the North Carolina Administrative Code, provided
that such facilities may be located only within areas of water supply watershed buffers that
are subject to Zone 2 standards as specified in Sec. 11-21.
(N)
Stormwater management ponds, provided
(1)
no alternative to their location in the buffer exists; and
(2)
a new vegetated water supply watershed buffer meeting the purpose and requirements
of this Paragraph is established around the new pond
(O)
Stream restoration
(P)
Stream bank stabilization
(Q)
Temporary in-stream sediment and erosion control measures for work within a stream
channel
(R)
Vegetation management, including:
(1)
emergency fire control measures, provided topography is restored;
(2)
planting vegetation to enhance the buffer's function;
(3)
pruning forest vegetation, provided the health and function of the vegetation is not
compromised;
(4)
removing individual trees that are in danger of causing damage to dwellings, other
structures, or human life;
(5)
removing poison ivy; and other noxious growth; and
(6)
removing understory nuisance vegetation as defined in Exotic Plant Guidelines
(Guideline #30, NC DENR, Div. of Parks and Recreation. 1998)
(S)
Water-dependent structures
(T)
Wetland restoration