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TOWN OF MORRISVILLE
ES-8
TABLE ES-1
Areas of Potential Impacts to be Addressed by Permitting and Mitigation Programs
Environmental
Resource
Potential
for SCI
Types of SCIs
Mitigation
Noise Levels
PI
Increase in overall noise level in Planning Area
Negative impacts to human health
Land use planning
UDO
- Airport overlay district
- Open Space Preservation
- Riparian Buffers Protection – development buffers
- Tree Protection
Parks and Recreation Master Plan
Increase in grade separation projects for transportation
corridors (reduce train whistle noises)
NCDOT Traffic Noise Abatement Policy
Surface Water
Resources
PI
Water quality degradation; increase in stormwater
runoff and sedimentation
Alteration of natural hydrograph (e.g., magnitude,
timing, frequency, duration, rate of change); lower
and more frequent low-flow conditions; alteration
of channel morphology
UDO
- Stormwater Programs
- Sanitary Sewer Installation – stream crossings with
directional borings
- Water Conservation
- Riparian Buffers and Floodplain Protection – no
residential development or fill in floodplain
Land Use Plans and open space preservation
Parks and Recreation Master Plan
Erosion and Sediment Control Program administered by
Wake County
Groundwater
Resources
LI
Possible reduction in groundwater inflow that
provides baseflow in streams and supports
aquatic life during droughts
Reduction in use for private drinking water;
potential to become contaminated
Land use planning
UDO
- Open Space Preservation
- Riparian Buffers and Floodplain Protection – allow for
natural infiltration
- Stormwater Programs, including promotion of LID
- Water Conservation Programs