20180605 Ver 1_NCWRC Comments_20180612

Moore, Andrew W
From: Leslie, Andrea J
Sent: Tuesday, June 12, 2018 2:45 PM
To: Wiggs, Linda; Meagan Jolly; Moore, Andrew W
Cc: Fuemmeler, Amanda J CIV (US); Riddle, Shawna
Subject: RE: [External] Re: Request for Additional Information, Altapass Wetland Habitat
Enhancement, Mitchell County (DWR Project #20180605)
Hi Meagan,
My main concern about the project is the possible downstream impacts to the North Toe River and the rare
species it hosts, including Hellbender and Sharpnose Darter (state Threatened), so excellent erosion and
sediment control are important. In addition, Grassy Creek itself hosts hellbenders, and we've got recent
records just upstream of your dredging area. It'll be important to take a look at the habitat you may impact.
also have some questions on the application, including the following:
• It appears that you intend to dredge approximately 400 ft of Grassy Creek. How much sediment will you
dredge (volume)?
• How will the flashboard riser in the receiving pond be managed once the pond is filled?
• What drives the hydrology of the mining pit? Why is a portion of open water maintained in the pit?
• How will water quality be monitored? We would like to see both Grassy Creek and the water drained
from the mine pit monitored for turbidity and a protocol set up for what is to be done if turbidity levels are
above agreed upon limits.
• Can you provide a schematic of the sediment and erosion control measures in the receiving pond?
• Ditto on Linda's questions about the flocculant.
I think that a site visit will help us understand the project and the resources that could be impacted.
Thank you,
Andrea
Andrea Leslie
Mountain Habitat Conservation Coordinator
NC Wildlife Resources Commission
645 Fish Hatchery Rd., Building B
Marion, NC 28752
828-803-6054 (office)
828-400-4223 (cell)
www.ncwildlife.org
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From: Wiggs, Linda
Sent: Tuesday, June 12, 2018 12:07 PM
To: Meagan Jolly <[e-mail]>; Moore, Andrew W <[e-mail]>
Cc: Fuemmeler, Amanda J CIV (US) <[e-mail]>; Leslie, Andrea J <[e-mail]>;
Riddle, Shawna <[e-mail]>
Subject: RE: [External] Re: Request for Additional Information, Altapass Wetland Habitat Enhancement, Mitchell County
(DWR Project #20180605)
Hi Meagan,
I need to know specifically what flocculant you plan to use, how the flocculant will be added to the slurry and at what
concentration.
Thank you,
Environmental Senior Specialist — Asheville Regional Office
Water Quality Regional Operations Section
NCDEQ — Division of Water Resources
828 296 4500 office
828 299 7043 fax
Email: [e-mail]
2090 U.S. Hwy. 70
Swannanoa, N.C. 28778
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Meagan Jolly[mailto:[e-mail]]
Sent: Monday, June 11, 2018 12:57 PM
To: Moore, Andrew W <[e-mail]>
Cc: Fuemmeler, Amanda J CIV (US) <[e-mail]>; Leslie, Andrea J <[e-mail]>;
Wiggs, Linda <[e-mail]>; Riddle, Shawna <[e-mail]>
Subject: [External] Re: Request for Additional Information, Altapass Wetland Habitat Enhancement, Mitchell County
(DWR Project #20180605)
Andrew,
Please see attached supplement for the Altapass project, SAW -2017-02189 DWR 2018-0605. If labels do not appear on
the birds eye plan please let me know and I will use a different PDF editor. Please let me know if you require more
information.
I will forward sediment analysis and other testing results to everyone once I receive them.

Best,
Meagan Jolly
704.681.3479
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On Fri, May 18, 2018 at 1:30 PM Moore, Andrew W <[e-mail]> wrote:
Meagan,
On May 2, 2018, the Division of Water Resources (Division) received your application dated April 26, 2018, requesting a
401 Water Quality Certification from the Division for the subject project. The Division has determined that your
application is incomplete and cannot be processed. The application is on hold until the following items are addressed:
1. Provide a map depicting the extent of proposed dredging within the Grassy Creek impoundment. The map shall
include anticipated depths to be excavated relative to normal pool elevation and any applicable staging areas.
[15A NCAC 02H .0502(b)]
2. Describe how turbidity will be controlled in Grassy Creek during dredging activities to maintain compliance with
15A NCAC 0213 .0211 (21).
3. Describe how dredge spoils will be conveyed from Grassy Creek to the mine pit. For instance, will the dredged
slurry be pumped directly into the mine pit? Will it be de -watered prior to being placed in the depression? If so,
how? [15A NCAC 02B.0211(21)]
4. Collect and analyze the water sample from the mine pit as described in the Pre -Construction Notification and
provide the laboratory analytical results to me, Linda Wiggs ([e-mail]), and Shawna Riddle

([e-mail]). The analyses shall be performed by a North Carolina certified laboratory. [15A
NCAC 0213 .0211]
Provide a sediment sampling and analysis plan for the proposed dredge material. The sediment sampling and
analysis plan should be developed in accordance with the EPA's and US Army Corps of Engineers' Evaluation of
Dredged Material Proposed For Discharge In Waters Of The U.S.-Testing
Manual (https://www.epa.gov/sites/production/files/2015-08/documents/inland testing manual O.pdf).
Note that the dredged material may be considered a beneficial fill (15A NCAC 13B .0562) under Division of
Waste Management (DWM) rules and must meet their requirements prior to placement in the mine pit. I
recommend you contact Ervin Lane (919-707-8288 or [e-mail]) to determine the analyses
required by the DWM. [15A NCAC 02H .0506(b)(3)]
Pursuant to Title 15A NCAC 02H .0502(c), the applicant shall furnish all of the above requested information for the
proper consideration of the application. If all of the requested information is not received, the Division will be unable to
approve the application and it will be returned.
Feel free to contact me if you have any questions.
Andrew W. Moore, P.G.
Environmental Specialist — Asheville Regional Office
Water Quality Regional Operations Section
NCDEQ — Division of Water Resources
828 296 4684 office
email: Andrew.W.MooreOncdenr.gov
2090 U.S. Hwy. 70
Swannanoa, N.C. 28778
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.