Rainbow Springs Stream Enhancement
Macon County
2017
Problem:
A perched culvert that stopped aquatic passage through the culvert. It also needed a Plunge pool to provide hydraulic power for a Gris mill.
Solution:
Boulder steps installed for fish passage and pool creation. Fish ladder installed to raise channel for aquatic passage through a perched culvert.
Catawba River Bank Stabilization Project
Mountain Valley Resource Conservation and Development, McDowell County Soil and Water.
2017
Problem:
Catawba River was eroding bank and the athletic field was beginning to fall
into river.
Solution:
The project included a log vane, a constructed riffle, geolift with brush and class two stone. A geolift was installed, the center line of the river moved. A log vein was installed to help divert base flow away from the bank. SCE constructed a riffle to protect the geolift.
Tomahawk Branch Restoration Project
Town of Black Mountain
2017
Problem:
Bank erosion, possible loss of Fairways, maintenance building and bridges. Heavy silting in Lake Tomahawk that is located directly downstream.
Solution:
The project included channel grading and in-stream structure installation. Pump around flow diversion installed. Harvested cobble and gravel materials from dewatered channel bed used for constructed riffles and in-stream structures. Bioengineering, including brush mattress, live stakes, bare root,
on site transplanting, temporary seeding, and permanent native riparian
seed mix.
Smith Mill Creek Stream Restoration
Metropolitan Sewerage District of Buncombe County
2017
Problem:
Stream bank erosion is starting to expose sewer mainline.
Solution:
The toe of bank restored to the original location prior to recent erosion. Compacted soil lifts installed to fill the cavity. Invasive species removed to proper offsite location.
Macon Avenue Stream Restoration Project
2016
Problem:
Need to construct a natural channel, streambank stabilization, restoration, and stormwater management.
Solution:
The project incorporates construction of active floodplain benches, rock single-vanes, native riparian planting, improved stormwater management/
mitigation flowing from Macon Avenue, and a rock cross-vane at the
upstream end to stabilize an active head cut.