20200545 Ver 1_More Info Requested_20200701

Strickland, Bev
From:
Annino, Amy M
Sent:
Wednesday, July 1, 2020 7:21 AM
To:
David Weikle
Cc:
Smith, Mike M
Subject:
Bostic Landfill site
On April 15, 2020, the Division of Water Resources (Division) received your application dated April 8, 2020 requesting a
401 Water Quality Certification from the Division for the subject project. On April 15, 2020, the application was placed
on hold while the Division determined whether an application fee was required. On May 8, 2020, the Division
determined that an application fee was not necessary. After initial review of the application, 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. The plan proposes to excavate landfill material from within and below an existing intermittent stream. After
excavation is complete, a 10 foot wide ditch with a 5.2% slope will be graded to provide a channel for the
intermittent stream below an existing spring head (to remain undisturbed). The new ditch will be stabilized with
seed, straw, and coir matting. No grade control within the proposed ditch has been proposed.
a. The Division is concerned about stream channel stability within the proposed 10 foot wide, 5.2% slope
ditch. Please provide calculations showing that streamflow and stormwater flow will not degrade the
restored channel or downstream waters. [15A NCAC 02H .0506(b)(2) and (b)(3)]
2. Wattles are specified as 'Excelsior Wattle' in the drawing within the Sediment Wattle detail on sheet 9. All
wattles specified for placement in jurisdictional waters should be either a coir log or coir wattle and contain no
plastic netting or mesh. Please provide a specification sheet on selected product and update the plan
accordingly.
a. What is the timeline for maintaining and removing wattles from the stream after the project has
concluded? The wattles should not be left permanently.
b. Any sediment removed from behind wattles in the stream should be performed by hand with shovel and
bucket and spoils should be stabilized at least 30 feet from surface waters. Please provide a location on
the plan for spoils to be deposited and stabilized.
3. Is application of PAM proposed for all wattles? Use of PAM is not allowable on wattles in jurisdictional waters.
Please indicate this in the plan set.
4. The plan shows a silt fence outlet to be installed at the LOD within the channel of the intermittent stream.
a. This Office believes that the silt fence outlet can be revised to avoid and minimize the impacts to the
stream. Please provide an alternative to installing a silt fence outlet within the channel of the
intermittent stream. [15A NCAC 02H .0506(f) and (g)]
5. At what station do you expect to begin the pump around sequence? Please provide more detail on where / how
you intend to pump spring flow and stream flow (as well as any groundwater seepage) around the work area to
protect downstream waters.
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 by August 1, 2020, the
Division will be unable to approve the application and it will be returned.
Amy Annino
Environmental Specialist —Asheville Regional Office
Water Quality Regional Operations Section
NCDEQ — Division of Water Resources
2090 U.S. Hwy. 70
Swannanoa, N.C. 28711

828 296 4656 office
984 232 1222 mobile
amy.anninoa-ncdenr.gov
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