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. 

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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.

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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.