20160763 Ver 1_SW3160702 High Density Permit_20160812

State Stormwater Permit
Permit No. SW3160702
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT QUALITY
STATE STORMWATER MANAGEMENT PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North
Carolina as amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
M/I Homes of Charlotte, LLC
A High Density Development, Carringdon, in Union County
FOR THE
construction, operation and maintenance of four wet detention basins in compliance with
the provisions of 15A NCAC 2H .1000 (hereafter referred to as the "stormwater rules") and
the approved stormwater management plans and specifications and other supporting data
as attached and on file with and approved by the State and considered a part of this
permit.
This permit shall be effective from the date of issuance until July 26, 2024, and shall be
subject to the following specified conditions and limitations:
I. DESIGN STANDARDS
1. This permit is effective only with respect to the nature and volume of stormwater
described in the application and other supporting data.
2. The four wet detention basins are approved for the management of stormwater
runoff as described in the application documents and as shown on the approved
plans.
3. All stormwater collection and treatment systems must be located in either dedicated
common areas or recorded easements. The final plats for the project will be
recorded showing all such required easements, in accordance with the approved
plans.
4. The runoff from all built -upon area within the permitted drainage area of this project
must be directed into the four wet detention basins.
5. The built -upon areas associated with this project shall be located at least 30 feet
landward of all perennial and intermittent surface waters.
Page 1 of 4

State Stormwater Permit
Permit No. SW3160702
II. SCHEDULE OF COMPLIANCE
During construction, erosion shall be kept to a minimum and any eroded areas of
the system will be repaired immediately.
2. The permittee shall at all time provide the operation and maintenance necessary to
assure the four wet detention basins permitted functions at optimum efficiency. The
approved Operation and Maintenance Plan must be followed in its entirety and
maintenance must occur at the scheduled intervals including, but not limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
C. Mowing and re -vegetation of slopes and the filter strip.
d. Immediate repair of eroded areas.
e. Maintenance of all slopes in accordance with approved plans.
f. Debris removal and unclogging of all drainage structures, level spreader, filter
media, planting media, underdrains, catch basins and piping.
g. Access to the cell and outlet structure must be available at all times.
3. Records of maintenance activities must be kept for each of the four wet detention
basins. The reports will indicate the date, activity, name of person performing the
work and what actions were taken.
4. The permittee shall submit an annual summary report of the maintenance and
inspection records for each of the four wet detention basins. The report shall
summarize the inspection dates, results of the inspections, and the maintenance
work performed at each inspection.
5. The four wet detention basins shall be constructed in accordance with the approved
plans and specifications, the conditions of this permit, and with other supporting
data.
6. Upon completion of construction, prior to issuance of a Certificate of Occupancy,
and prior to operation of this permitted facility, a certification must be received from
an appropriate designer for the four wet detention basins certifying that the
permitted facility has been installed in accordance with this permit, the approved
plans and specifications, and other supporting documentation. Any deviations from
the approved plans and specifications must be noted on the Certification. A
modification may be required for those deviations.
7. If the stormwater system was used as an Erosion Control device, it must be restored
to design condition prior to operation as a stormwater treatment device, and prior to
occupancy of the facility.
8. The permittee shall submit to the Director and shall have received approval for
revised plans, specifications, and calculations prior to construction, for any
modification to the approved plans, including, but not limited to, those listed below:
a. Any revision to any item shown on the approved plans, including the
stormwater management measures, built -upon area, details, etc.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built -upon area or to the
drainage area.
e. Further subdivision, acquisition, lease or sale of all or part of the project area.
The project area is defined as all property owned by the permittee, for which
Sedimentation and Erosion Control Plan approval was sought.
f. Filling in, altering, or piping of any vegetative conveyance shown on the
approved plan.
Page 2 of 4

State Stormwater Permit
Permit No. SW3160702
9. A copy of the approved plans and specifications shall be maintained on file by the
Permittee for a minimum of eight years from the date of the completion of
construction.
10. The Director may notify the permittee when the permitted site does not meet one or
more of the minimum requirements of the permit. Within the time frame specified in
the notice, the permittee shall submit a written time schedule to the Director for
modifying the site to meet minimum requirements. The permittee shall provide
copies of revised plans and certification in writing to the Director that the changes
have been made.
III. GENERAL CONDITIONS
This permit is not transferable except after notice to and approval by the Director. In
the event of a change of ownership, or a name change, the permittee must submit a
completed Name/Ownership Change form signed by both parties, to the State,
accompanied by the supporting documentation. The approval of this request will be
considered on its merits and may or may not be approved.
2. The permittee is responsible for compliance with all permit conditions until such time
as the Division approves a request to transfer the permit.
3. Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to enforcement action by the State, in accordance with North
Carolina General Statute 143-215.6A to 143-215.6C.
4. The issuance of this permit does not preclude the Permittee from complying with
any and all statutes, rules, regulations, or ordinances, which may be imposed by
other government agencies (local, state, and federal) having jurisdiction.
5. In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including
those as may be required by this Division, such as the construction of additional or
replacement stormwater management systems.
6. The permittee grants DEQ Staff permission to enter the property during normal
business hours for the purpose of inspecting all components of the permitted
stormwater management facility.
7. The permit issued shall continue in force and effect until revoked or terminated. The
permit may be modified, revoked and reissued or terminated for cause. The filing of
a request for a permit modification, revocation and re -issuance or termination does
not stay any permit condition.
8. Unless specified elsewhere, permanent seeding requirements for the stormwater
control must follow the guidelines established in the North Carolina Erosion and
Sediment Control Planning and Design Manual.
9. Approved plans and specifications for this project are incorporated by reference and
are enforceable parts of the permit.
Page 3 of 4

State Stormwater Permit
Permit No. SW3160702
10. The issuance of this permit does not prohibit the Director from reopening and
modifying the permit, revoking and reissuing the permit, or terminating the permit as
allowed by the laws, rules and regulations contained in Session Law 2006-246, Title
15A NCAC 2H.1000, and NCGS 143-215.1 et.al.
11. The permittee shall notify the Division in writing of any name, ownership or mailing
address changes at least 30 days prior to making such changes.
12. The permittee shall submit a renewal request with all required forms and
documentation at least 180 days prior to the expiration date of this permit.
Permit issued this the 27th day of July, 2016.
for Tracy E. Davis, P.E., CPM
Director Division of Energy, Mineral, and Land Resources
Page 4 of 4

State Stormwater Permit
Permit No. SW3160702
M/I Homes of Charlotte, LLC
High Density Development, Carringdon, in Union County
Designer's Certification
I, , as a duly registered in the
State of North Carolina, having been authorized to observe (periodically/ weekly/
full time) the construction of the project,
(Project Name)
for (Project Owner) hereby state that, to the
best of my abilities, due care and diligence was used in the observation of the project
construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications.
Noted deviations from approved plans and specification:
Signature
Registration Number
Date
cc: NCQ-DEMLR Regional Office
Page 1 of 1
SEAL