HomeMy WebLinkAboutNCS000515_Self Audit_20201109Construction and Post -Construction Run-off
MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4)
PROGRAM AUDIT REPORT
NPDES PERMIT NO. NCS000515
CHINA GROVE, NORTH CAROLINA
333 N. Main Street
State Audit Date: October 6th, 2020
Report Date: November 9th, 2020
North Carolina Department of Environmental Quality
Division of Energy, Mineral & Land Resources Stormwater Program
512 N. Salisbury Street, 9th floor
1612 Mail Service Center
Raleigh, NC 27699-1612
MS4 Permit Audit Report
China Grove, NC: NPDES Permit No. NCS000515
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Audit Date: November 911, 2020
MS4 Permit Audit Report
China Grove, NC: NPDES Permit No. NCS000515
Construction Site Runoff Controls
Comments (indicate the fee amount, if applicable)
113A-60 Local
Has any person initiated a land -disturbing activity (within the permittee's
erosion and
jurisdiction) for which an erosion and sedimentation control plan is required in the
sedimentation
absence of an approved plan?
If yes, the permittee has notified the North Carolina Sedimentation Control
Not
control programs (e)
Commission of all such cases.
Applicable
Has the permittee determined that a person engaged in a land -disturbing activity
Not
has failed to comply with an approved erosion and sedimentation control plan?
Applicable
If yes, has the permittee referred any such matters to the North Carolina
Not
Sedimentation Control Commission for inspection and enforcement?
Appki
Comments
113A-61 Local
The permittee reviews each erosion and sedimentation control plan submitted to
approval of erosion
them and notifies the person submitting the plan that it has been approved,
and sedimentation
approved with modification, or disapproved within 30 days of receipt.
control plans
The permittee only approves an erosion and sedimentation control plan upon
determining that it complies with all applicable State and local regulations.
The permittee has disapproved of an erosion and sedimentation control plan in
N,.
order to protect riparian buffers along surface waters.
Reviem
If yes, the permittee notified the Director of the Division of Energy,
Not
Mineral, and Land Resources within 10 days of the disapproval.
Reviewed
Comments
Rowan County staff completes the review of erosion and sediment control plans.
§_ 113A-61.1
Inspection of land-
The certificate of approval of each erosion and sedimentation control plan
disturbing activity;
approved by the permittee includes a notice of the right to inspect.
notice of violation
The permittee provides for inspection of land -disturbing activities to ensure
(a)
compliance with the SPCA and to determine whether the measures required in an
erosion and sedimentation control plan are effective.
Comments
Rowan County completes inspections
Audit Date(s): November 9`", 2020 Page 17 of 47
MS4 Permit Audit Report
China Grove, NC: NPDES Permit No. NCS000515
Construction Site Runoff Controls
§ 113A-61.1
When the permittee determines that a person engaged in land -disturbing activity
Inspection of land-
has failed to comply with the SPCA, the Permittee immediately issues a notice of
disturbing activity;
violation upon that person.
notice of violation
Each notice of violation issued by the permittee specifies the date by which the
person must comply.
Yes
Each notice of violation issued by the permittee informs the person of the actions
+rrf
that'need to be taken to comply.
Comments
Rowan County staff inspects possible violations
11§ 3A-64 Penalties
Does the permittee issue civil penalties as part of the erosion and sedimentation
program?
Comments (indicate when/why a civil penalty is issued, and the amount, if applicable)
If Rowan County Officials fail to address the violation the Stormwater Quality Management and Control Ordinance allows the
administrator to penalize v;ola-ors.
Audit Dates): November 911', 2020 Page 18 of 47
MS4 Permit Audit Report
China Grove, NC: NPDES Permit No. NCS000515
Post -Construction Site Runoff Controls
Staff Interviewed:
(Name, Title, Role)
Franklin Gover, Assistant Town Manager, Stormwater Administrator
Audit Date(s): November 9,', 2020 Page 19 of 47
MS4 Permit Audit Report
China Grove, NC: NPDES Permit No. NCS000515
Post -Construction Site Runoff Controls
Implementation (check all that apply):
® The permittee implements the components of this minimum measure.
® The permittee relies upon another entity to implement the components of this minimum measure. McGill and Associates
❑ The permittee implements the following deemed compliant program(s), which meet NPDES MS4 post -construction
requirements for the areas where implemented and in compliance with the specific program requirements as provided in 15A
NCAC and noted below (Complete Session Law 2006-246 section below):
❑ Water Supply Watershed I (WS-1) —15A NCAC 2B .0212
❑ Water Supply Watershed II (WS-II) —15A NCAC 213.0214
❑ Water Supply Watershed III (WS-III) —15A NCAC 213.0215
Water Supply Watershed IV (WS-IV) —15A NCAC 2B .0216
❑ freshwater High Quality Waters (HQW) —15A NCAC 2H .1006
❑ Freshwater Outstanding Resource Waters (ORW) —15A NCAC 2H .1007
❑ Neuse River Basin Nutrient Sensitive (NSW) Management Strategy —15A NCAC 2B .0235
❑ Tar -Pamlico River Basin Nutrient Sensitive (NSW) Management Strategy-15A NCAC 2B .0258
7-1 Randleman Lake Water Supply Watershed Nutrient Management Strategy —15A NCAC 26 .0251
Universal Stormwater Management Program —15A NCAC 2H .1020
Ordinance(s) (check all that apply):
The permittee utilizes the following ordinances and/or regulatory authority to fulfill post construction minimum measure program
requirements throughout the MS4 permitted area (check all that apply):
❑ DEQ model ordinance
® MS4 designed post -construction practices that meet or exceed 15A NCAC 02H .1000.
❑ DEQ approved comprehensive watershed plan
❑ DEQ approved ordinance for a deemed -compliant Program (see list above)
Instructions:
For MS4s not implementing a S.L. 2006-246 deemed -compliant program, complete only the Permit Citation section below.
For MS4s implementing a S.L. 2006-246 deemed -compliant program, complete the Session Law 2006-246 section below. if the MS4
does not implement a deemed -compliant program throughout the entire MS4 permitted area, then complete the Permit Citation
section below far the permitted orea(s) not covered under the S.L. 2006 246 deemed compliant program.
ISession Law 2006- I Program Requirement Status Supporting I
246 l Doc No.
Audit Date(s): November 9t", 2020 Page 20 of 47
MS4 Permit Audit Report
China Grove, NC: NPDES Permit No. NCS000515
Post -Construction Site Runoff Controls
Deemed -Compliant
The permittee implements deemed -compliant Program requirements in
Program(s)
accordance with the applicable 15A NCAC rules.
Not
Applicable
The permittee implements deemed -compliant Program requirements throughout
the entire MS4 area (If not, also complete the Permit Citation section below.)
Not
Applicable
The permittee applies deemed -compliant Program requirements to all federal,
state and local government projects within the permitted MS4 area who do not
Not
Applicable
have their own NPDES stormwater permit.
The permittee included deemed -compliant Program reporting in their MS4 Annual
Reports.
The permittee included deemed -compliant Program implementation in their
Stormwater Management Plan,
Not
Applicable
Comments
Permit Citation
Program Requirement
Status
Supporting
Doc No.
II.F.2.a
The permittee maintained an ordinance or other regulatory mechanism designed
Legal Authority
to meet the objectives of the Post -Construction Site Runoff Controls Stormwater
yr>
Management Program.
If yes, the ordinance applies throughout the corporate limits of the permittee
The permittee has the authority to review designs and proposals for new
development and redevelopment to determine whether adequate Stormwater
control measures will be installed, implemented, and maintained.
The permittee has the authority to request information such as stormwater plans,
inspection reports, monitoring results, and other information deemed necessary to
evaluate compliance with the Post -Construction Stormwater Management
Program.
The permittee has the authority to enter private property for the purpose of
inspecting at reasonable times any facilities, equipment, practices, or operations
related to stormwater discharges.
Comments (if the permittee relies upon another entity, specifically note the legal authority that allows that entity to implement
the program within the MS4 area)
II.F.2.b
Stormwater Control
The permittee utilizes strategies which include SCMs appropriate for the MS4.
Measures (SCMs)
SCMs comply with 15A NCAC 02H .1000.
Audit Date(s): November 9"h, 2020 Page 21 of 47
MS4 Permit Audit Report
China Grove, NC: NPDES Permit No. NCS000515
Post -Construction Site Runoff Controls
Comments
II.F.2.c
The permittee conducted site plan reviews of all new development and
Plan Reviews
redeveloped sites that disturb greater than or equal to one acre (including sites
that disturb less than one acre that are part of a larger common plan of
development or sale).
If yes, the site plan reviews addressed how the project applicant meets the
performance standards.
If yes, the site plan reviews addressed how the project will ensure long-term
maintenance.
Comments
Sie plans are reviewed by Chris Brown PE, McGill and Associates.
II.F.2.d
The permittee maintained an inventory of projects with post -construction
Inventory of Projects
structural stormwater control measures installed and implemented at new
development and redeveloped sites.
The inventory included both public and private sector sites located within the
permittee's corporate limits that are covered by its post -construction ordinance
requirements.
Comments
I I. F.2.e
The permittee provided mechanisms such as recorded deed restrictions and
Deed Restrictions
protective covenants that ensure development activities will maintain the project
and Protective
consistent with approved plans.
Covenants
Comments
II.F.2.f
The permittee implemented or required an operation and maintenance plan for
Mechanism to
the long-term operation of the SCMs required by the program.
Require Long-term
Operation and
The operation and maintenance plan required the owner of each SCM to perform
Maintenance
and maintain a record of annual inspections of each SCM.
Annual inspection of permitted structural SCMs are required to be performed by a
qualified professional.
Comments
Audit Date(s): November 94, 2020 Page 22 of 47
M54 Permit Audit Report
China Grove, NC: NPDES Permit No. NCS000515
Post -Construction Site Runoff Controls
II.F.2.tt
The permittee conducted and documented inspections of each project site covered
Inspections of
under performance standards, at least one time during the permit term
Structural
Before issuing a certificate of occupancy or temporary certificate of occupancy, the
Stormwater Control
Measures
permittee conducted a post -construction inspection to verify that the permittee's
performance standards have been met or a bond is in place to guarantee
completion
The permittee developed and implemented a written inspection program for SCMs
installed pursuant to the post -construction program
The permittee documented and maintained records of inspections.
The permittee documented and maintained records of enforcement actions.
Comments
Section 8.11 of the UDO requires "as built" certifications from a licensed engineer to verify installation and functionality of SCMs.
II.F.2.h
The permittee made available through paper or electronic means, ordinances,
Educational
post -construction requirements, design standards checklists, and other materials
Materials and
appropriate for developers.
Training for
Note: New materials may be developed by the permittee, or the permittee may use
Developers
materials adapted from other programs and adapted to the permittee's new
development and redevelopment program.
Comments (if the permittee has adopted materials from other programs, indicate here which materials they are using)
The Town created an informative web site and development handbook.
II.F.2.1 Enforcement
The permittee tracked the issuance of notices of violation and enforcement
actions.
YES
If yes, the tracking mechanism included the ability to identify chronic violators
for initiation of actions to reduce noncompliance.
iP3
Comments
Tracked through iWorq system
II.F.3.b
The permittee fully complies with post construction program requirements on its
New Development
own publicly funded construction projects.
Comments
No recent projects.
Audit Date(s): November 91h, 2020 Page 23 of 47
MS4 Permit Audit Report
China Grove, NC: NPDES Permit No. NCS000515
Post -Construction Site Runoff Controls
II.F.3.c
Does the MS4 have areas draining to Nutrient Sensitive Waters (NSW) pursuant to
Not
Nutrient Sensitive
15A NCAC 02H .0150?
Applicable
Waters
If yes, does the permittee use SCMs that reduce nutrient loading in order to
Not
meet local program requirements.
Applicable
If yes, does the permittee also still incorporate the stormwater controls
Not
required for the project's density level.
Applicable
If yes, does the permittee also require documentation where it is not feasible to
Not
use SCMs that reduce nutrient loading.
Applicable
Comments (Provide reference for local requirements)
II.F.3.d
The permittee ensured that the design volumes of SCMs take into account the
Design Volume
runoff at build out from all surfaces draining to the system.
Where "streets" convey stormwater, the permittee designed SCMs to be sized to
treat and control stormwater runoff from all surfaces draining to the SCM including
streets, driveways, and other impervious surfaces.
Comments
Audit Date(s): November 91, 2020 Page 24 of 47