20180119 Ver 2_Modification Request_20180810

C.R. Brown Enterprises, Inc.
Post Office Box 2391
Andrews, North Carolina 28901
August 8, 2018
David Brown
United States Army Corps of Engineers
Wilmington District Via e-mail [e-mail].
RE: Action ID. 2017-00911 / Macon County / Wayah Bald / 339 Cold Spring Road/ Topton,
N.C.
Dear Mr. Brown,
After receiving and reviewing my 404 and 401 Permits, it has become apparent that a
redesign of the intake structure is required for two reasons. First, there is a requirement in the
401 Certification that stream flow be measured. This makes it necessary for me to either install
the intake structure and a measuring device separately or combine the two into one structure. I
have chosen the latter. Second, to achieve enough height for the weir, it is necessary to raise the
height of the intake structure off the stream bed. My redesign will raise the height of the weir
about 10 inches off the bottom of the stream bed and raise the intake structure about 6 inches off
the bottom of the stream bed. It is my opinion that this will greatly increase the chances that this
new structure will succeed.
Enclosed with this letter is a drawing depicting the new configuration of the proposed
intake structure. Please accept this letter as request to modify the General Permit issued to C.R.
Brown Enterprises on April 10, 2018 and the 401 Water Quality Certification issued by the
North Carolina Division of Water Resources on March 5, 2018. The specific modifications
requested are:
Section 3c. On page 3 of the application dated 11/13/17 is modified to read as follows:
The purpose of the project, if approved, is to test the safety and efficacy of a very low (non -
impounding structure) water intake structure in the stream bed. If the study proves the
intake structure is safe enough to supply water to a trout farm, it is anticipated that the
applicant will apply for a discharge permit for a trout farm.
Section 3e. also on page 3 of the application dated 11/13/17, is modified to read as follows:
If approved, the project will test the feasibility of a very low water intake structure while
also using the structure as a water flow rate weir. A water intake system must be highly
dependable. Dependable means the intake must be indestructible and not subject to
R&S 2073919_1

plugging. A safe water flow rate through the intake screen must be determined especially
during periods of high flow.
A 12 inch pipe will connect to the intake structure and transport water down the creek
approximately 150 feet to a measuring box before the water is released back into the creek.
There will be a valve inside the measuring box to control the volume of water that flows
through the intake screen. The measuring box will also have an adjustable weir for
measuring flow rate through the intake screen.
Results of stream flow measurements will be made available to the US Army Corps of
Engineers and the Division of Environmental Quality.
Your consideration of this request for modification is most appreciated. I will be glad to
meet with you and representatives of DEQ to discuss this modification.
Sincer ly,
oward R. Brown
Cc; Karen Higgins
Zan Price
R&S 2073919_1

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