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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 (This page intentionally left blank) 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