SW3190703_AddInfoRequest2_20191210

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. DANIEL SMITH
Director
Dale Stewart, PE
LandDesign
223 N. Graham Street
Charlotte, NC 28202
NORTH CAROLINA
Environmental Quality
December 10, 2019
Subject: Request for Additional Information
Stormwater Permit No. SW3190703
Hemby Place
Union County
Dear Kris Rowe:
The Division of Energy, Mineral and Land Resources (DEMLR), received a Stormwater
Management Permit Application for the subject project on July 30, 2019 and additional
information on November 20, 2019. A review of that information has determined that the
application is not complete. The following information is needed to continue the stormwater
review:
Repeat comment: Projects in the Sixmile Creek Watershed must also comply with the
stormwater standards that apply to the Goose Creek Watershed (15A NCAC 02B .0602).
Further explanation:
15A NCAC 02B .0602 requires development and redevelopment to implement
stormwater management measures that promote infiltration of flows and groundwater
recharge. A written explanation is required to explain if and why it is not practical to use
infiltration methods. In addition, SCMs must be maintain or reduce the peak flow from
the one-year, 24-hour storm. Please proposed an infiltration system or provide
explanation backed up by a geotechnical investigation as to why it is not feasible to use
infiltration and provide calculations showing that the peak discharge from the one-year
storm will be maintained or reduced.
2. Provide pdfs of all revisions, 2 hardcopies of revised plan sheets, and l hardcopy of other
documents. Pdfs must be uploaded using the form at:
hqps:Hedocs.deg.nc.gov/Forins/SW ProjectSubmittal
D EQ �� North Carolina Department of Environmental Quality Division of Energy, Mineral and Land Resources
512 North Salisbury Street 1 1612 Mail Service Center Raleigh, North Carolina 27699-1612
NORTH CAROLINA
Depadm.mofEnmmnm.maaualfty /� 919.707.9200

Please note that this request for additional information is in response to a preliminary review.
The requested information should be received by this Office prior to January 9, 2019, or
the application will be returned as incomplete. The return of a project will necessitate
resubmittal of all required items, including the application fee. Please reference the State
assigned project number SW3190703 on all correspondence.
If you need additional time to submit the information, please submit your request for a time
extension to the Division at the contact below. The request must indicate the date by which you
expect to submit the required information. The Division is allowed 90 days from the receipt of
a completed application to issue the permit.
The construction of any impervious surfaces, other than a construction entrance under an
approved Sedimentation Erosion Control Plan, is a violation of NCGS 143-215.1 and is subject
to enforcement action pursuant to NCGS 143-215.6A.
If you have any questions concerning this matter please feel free to contact me at
Corey.Anen(d),ncdenr.gov or [phone].
Sincerely,
6rvj/ &I,
Corey Anen
Environmental Engineer
Stormwater Program
cc: Mooresville Regional Office