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HomeMy WebLinkAboutNCS000460_Draft SWMP_20231031 KNIGHTDALE stormwater Draft NMS-SWMP Town of Knightdale NCS000460 10/23/2023 The schedule for implementation document is set to coordinate with our new MS4 permit cycle, following its issuance. While the implementation schedule will technically not be in effect until after the permit is issued, all NMS elements included in this document will be implemented by the deadline provided by the EMC and tracked according to each associated metric. Table of Contents PART 1: INTRODUCTION.........................................................................................................................1 PART 2: CERTIFICATION.........................................................................................................................2 PART3: MS4 INFORMATION..................................................................................................................3 3.1 Permitted MS4 Area......................................................................................................................3 3.2 Existing MS4 Mapping.................................................................................................................4 3.3 Receiving Waters..........................................................................................................................5 3.4 MS4 Interconnection.....................................................................................................................5 3.5 Total Maximum Daily Loads(TMDLs)........................................................................................6 3.6 Endangered and Threatened Species and Critical Habitat.............................................................7 3.7 Industrial Facility Discharges........................................................................................................7 3.8 Non-Stormwater Discharges.........................................................................................................8 3.9 Target Pollutants and Sources.......................................................................................................8 PART 4: STORMWATER MANAGEMENT PROGRAM ADMINISTRATION...................................10 4.1 Organizational Structure..............................................................................................................10 4.2 Program Funding and Budget......................................................................................................12 4.3 Shared Responsibility..................................................................................................................12 4.4 Co-Permittees..............................................................................................................................13 4.5 Measurable Goals for Program Administration..........................................................................13 PART 5: PUBLIC EDUCATION AND OUTREACH PROGRAM.........................................................15 PART 6: PUBLIC INVOLVEMENT AND PARTICIPATION PROGRAM...........................................20 PART 7: ILLICIT DISCHARGE DETECTION AND ELIMINATION PROGRAM..............................22 PART 8: CONSTRUCTION SITE RUNOFF CONTROL PROGRAM...................................................27 PART 9: POST-CONSTRUCTION SITE RUNOFF CONTROL PROGRAM........................................29 PART 10: POLLUTION PREVENTION AND GOOD HOUSEKEEPING PROGRAMS......................37 List of Tables Table 1: Summary of MS4 Mapping Table 2: Summary of MS4 Receiving Waters Table 3: Summary of Approved TMDLs Table 4: Summary of Federally Listed Species/Habitat Impacted by Surface Water Quality Table 5: NPDES Stormwater Permitted Industrial Facilities Table 6: Non-Stormwater Discharges Table 7: Summary of Target Pollutants and Sources Table 8: Summary of Responsible Parties Table 9: Shared Responsibilities Table 10: Co-Permittee Contact Information Table 11: Program Administration BMPs Table 12: Summary of Target Pollutants&Audiences Table 13: Public Education and Outreach BMPs Table 14: Public Involvement and Participation BMPs Table 15: Illicit Discharge Detection and Elimination BMPs Table 16: Qualifying Alternative Program Components for Construction Site Runoff Control Program Table 17: Construction Site Runoff Control BMPs Table 18: Qualifying Alternative Program(s)for Post-Construction Site Runoff Control Program Table 19: Summary of Existing Post-Construction Program Elements Table 20: Post Construction Site Runoff Control BMPs Table 21: Pollution Prevention and Good Housekeeping BMPs PART 1: INTRODUCTION The purpose of this Stormwater Management Plan(SWMP)is to establish and define the means by which the Town of Knightdale will comply with its National Pollutant Discharge Elimination System(NPDES) Municipal Separate Storm Sewer System(MS4)Permit and the applicable provisions of the Clean Water Act to meet the federal standard of reducing pollutants in stormwater runoff to the maximum extent practicable. This SWMP identifies the specific elements and minimum measures that the Town of Knightdale will develop, implement,enforce, evaluate and report to the North Carolina Department of Environmental Quality(NCDEQ)Division of Energy,Minerals and Land Resources(DEMLR)in order to comply with the MS4 Permit number NCS000460,as issued by NCDEQ. This permit covers activities associated with the discharge of stormwater from the MS4 as owned and operated by the Town of Knightdale and located within the corporate limits of the Town of Knightdale. In preparing this SWMP,the Town of Knightdale has evaluated its MS4 and the permit requirements to develop a comprehensive 5-year SWMP that will meet the community's needs,address local water quality issues and provide the minimum measures necessary to comply with the permit. The SWMP will be evaluated and updated annually to ensure that the elements and minimum measures it contains continue to adequately provide for permit compliance and the community's needs. Once the SWMP is approved by NCDEQ,all provisions contained and referenced in this SWMP,along with any approved modifications of the SWMP, are incorporated by reference into the permit and become enforceable parts of the permit. Any major changes to the approved SWMP will require resubmittal, review and approval by NCDEQ, and may require a new public comment period depending on the nature of the changes. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 1 PART 2: CERTIFICATION By my signature below I hereby certify, under penalty of law,that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief,true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations. I am also aware that the contents of this document shall become an enforceable part of the NPDES MS4 Permit, and that both the Division and the Environmental Protection Agency have NPDES MS4 Permit compliance and enforcement authority. ❑ I am a ranking elected official. ❑ I am a principal executive officer for the permitted MS4. ❑ I am a duly authorized representative for the permitted MS4 and have attached the authorization made in writing by a principal executive officer or ranking elected official which specifies me as(check one): ❑ A specific individual having overall responsibility for stormwater matters. ❑ A specific position having overall responsibility for stormwater matters. Signature: Print Name: Title: Signed this day of 20. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 2 PART 3: MS4 INFORMATION 3.1 Permitted MS4 Area This SWMP applies throughout the corporate limits of the Town of Knightdale, including all regulated activities associated with the discharge of stormwater from the MS4. The map below shows the corporate limits of the Town of Knightdale as of the date of this document. Legend Ef]Swndwy KniOMdale L-:KN[GHiDALE -V r, N(t O&N...,llkr(—1y(,LS.id YnY.hs'.rr[irocnph.a 0 0.5 1 2 3 4 Miles DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 3 3.2 Existing MS4 Mapping The current MS4 mapping includes stormwater inflows, culvert drain pipes,channels, stormwater discharges, and SCM devices. Roughly 85%of the towns MS4 system has been mapped to date. However,previously unmapped stormwater infrastructure is still occasionally discovered and included. Stormwater inflows include information on material, diameteribox size,and length. Culvert drain pipes include information on diameter,box size, material, and length. Stormwater discharges include information on material, diameter/box size,and ownership. The stormwater discharges mapped include all outfalls, including 79 major outfalls meeting the designated criteria listed below. SCM devices mapped include information on facility type and ownership values. .� KNIGHTDALE Stormwater Infrastructure stormwater rip._rna. u.enri w Inlet i n ■ tmba NH • W • n structure _ xzx.awe i Nnlwk . Pxr 5 NAx 2ML ply ws+�au i OTLT P4.exa L:�xo:.mx•.n�nm= U56■.f Urc Rine N K�t hfeC...rt.YCK a'f.F1=CvM�'•"r x:CC-u.Nu.ava.ptx S 0 0.5 1 2 3 4 Miles Table 1: Summary of Current MS4 Mapping Percent of MS4 Area Mapped 95 % No. of Major Outfalls* Mapped 79 total DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 4 *An outfall is a point where the MS4 discharges from a pipe or other conveyance (e.g. a ditch)directly into surface waters. Major outfalls are required to be mapped to meet permit requirements. A major outfall is a 36-inch diameter pipe or discharge from a drainage area > 50-acres; and for industrial zoned areas a 12-inch diameter pipe or a drainage area> 2-acres. 3.3 Receiving Waters The Town of Knightdale MS4 is located within the Neuse River Basin and discharges directly into receiving waters as listed in Table 2 below. Applicable water quality standards listed below are compiled from the following NCDEQ sources: o Waterbody Classification Map o Impaired Waters and TMDL Map o Most recent NCDEQ Final 303(d) List Table 2: Summary of MS4 Receiving Waters Receiving Water Name Stream Water 303(d) Listed Parameter(s) Index/AU Quality of Interest Number Classification Beaver Dam Creek 27-29 C;NSW Not Listed Milburnie Creek 27-31 C;NSW Not Listed Mingo Creek 27-32 C;NSW Not Listed Poplar Creek 27-35 C;NSW Not Listed Marks Creek Lake M,y ra 27-38 C;NSW Not Listed 3.4 MS4 Interconnection The Town of Knightdale MS4 is interconnected with another regulated MS4 and directly discharges to the receiving waters as listed in Table 2 above. The MS4 does interconnect with the statewide NCDOT MS4 and includes: a. The interconnection is receiving stormwater from the NCDOT MS4. The number of interconnections is unknown. Quantity:N/A b. The interconnection is discharging stormwater into the NCDOT MS4. The number of interconnections is unknown. Quantity:N/A c. The Town of Knightdale MS4 mapping does not identify interconnections with the NCDOT MS4. d. The Town of Knightdale MS4 mapping does include NCDOT MS4 outfalls. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 5 3.5 Total Maximum Daily Loads(TMDLs) The TMDL(s)listed in Table 3 below have been approved within the MS4 area,as determined by the map and list provided on the NCDEO Modeling,&Assessment Unit web page. The table also indicates whether the approved TMDL has a specific stormwater Waste Load Allocation(WLA)for any watershed directly receiving discharges from the permitted MS4,and whether a Water Quality Recovery Program has been implemented to address the WLA. Table 3: Summary of Approved TMDLs Water Body Name TMDL Pollutant(s)of Concern Stormwater Water Waste Quality Load Recovery Allocation Program Y/N Y/N Neuse River Estuary Total Nitrogen Y N Statewide Mercury N N DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 6 3.6 Endangered and Threatened Species and Critical Habitat Significant populations of threatened or endangered species and/or critical habitat are identified within the regulated MS4 urbanized area.Based upon a review of the Endangered and Threatened Species and Species of Concern by County for North Carolina Map and Listed species believe to or known to occur in North Carolina map as provided by the U.S. Fish and Wildlife Service,the species listed in Table 4 have the potential to occur within the regulated MS4 urbanized area. Of those species listed, Table 4 summarizes the species that may be significantly impacted by the quality of surface waters within their habitat. Table 4: Potential Federally Listed Species/Habitat Impacted by Surface Water Quality Scientific Name Common name Species Group Federal Listing Status Haliaeetus Bald Eagle Vertebrate BGPA leucoce halus Noturus furiosus Carolina Madtom Vertebrate ARS Necturus Lewisi Neuse River Vertebrate ARS Waterd Heterodon simus Southern Hognose Vertebrate ARS Snake Fusconaia masoni Atlantic Pigtoe Invertebrate ARS Alasmidonta Dwarf Wedgemussel Invertebrate E heterodon Lasmi ona subviridis Green Floater Invertebrate ARS Lindera subcoriacea Bog S icebush Vascular Plant ARS BGPA—Bald and Golden Eagle Protection Act ARS—At Risk Species E—Endangered 3.7 Industrial Facility Discharges The Town of Knightdale MS4 jurisdictional area includes the following industrial facilities which hold NPDES Industrial Stormwater Permits,as determined from the NCDEQ Maps& Permit Data web pag Table 5: NPDES Stormwater Permitted Industrial Facilities Permit Number Facility Name NCG140396 DPD Team Concrete-Grantsboro NCG140398 Carolina Read Mix-Marshall NCG140399 Sneads Ferry Ready-Mix Concrete Plant#21 NCG140401 Ready Mixed Concrete-Portable Plant NCG140403 O113 Ready Mix NCG 140407 Southern Concrete Materials NCG140409 Southern Concrete Materials NCGNE1376 Eaton Knightdale Warehouse 0 eration-KWO DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 7 3.8 Non-Stormwater Discharges The water quality impacts of non-stormwater discharges have been evaluated by the Town of Knightdale as summarized in Table 6 below. The unpermitted non-stormwater flows listed as incidental do not significantly impact water quality. The Town of Knightdale has evaluated residential and charity car washing and street washing for possible significant water quality impacts. Street washing discharges are addressed under the Pavement Management Program in Part 10 of this SWMP. The Division has not required that other non-stormwater flows be specifically controlled by the Town of Knightdale. Wash water associated with car washing that does not contain detergents or does not discharge directly into the MS4 is considered incidental. However,these types of non-stormwater discharges that do contain detergents have been evaluated by the Town of Knightdale to determine whether they may significantly impact water quality. They were determined to be a possible source of water quality impacts and will be addressed through public education and outreach efforts.(See BMPs No. 3 and 6.) Table 6: Non-Stormwater Discharges Non-Stormwater Discharge Water Quality Impacts Water line and fire hydrant flushing Incidental Landscape irrigation Incidental Diverted stream flows Incidental Rising groundwater Incidental Uncontaminated groundwater infiltration Incidental Uncontaminated pumped groundwater Incidental Uncontaminated potable water sources Incidental Foundation drains Incidental Air conditioning condensate Incidental Irrigation waters Incidental Springs Incidental Water from crawls ace pumps Incidental Footing drains Incidental Lawn watering Incidental Residential and charity car washing Possible Flows from riparian habitats and wetlands Incidental Dechlorinated swimming of discharges Incidental Street wash water Possible Flows from firefighting activities Incidental 3.9 Target Pollutants and Sources In addition to those target pollutants identified above,the Town of Knightdale is not aware of other significant water quality issues within the permitted MS4 area. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 8 Table 7 below summarizes the water quality pollutants identified throughout Part 3 of this SWMP,the likely activities/sources/targeted audiences attributed to each pollutant, and identifies the associated SWMP program(s)that address each. In addition,the Town of Knightdale has evaluated schools, homeowners and businesses as target audiences that are likely to have significant stormwater impacts. Table 7: Summary of Target Pollutants and Sources Target Pollutant(s) Likely Source(s)/Target SWMP Program Addressing Target Audience s. Pollutant s /Audience s Litter Residents, Businesses, Schools Public Education & Outreach Yard Waste Residential,Commercial Public Education&Outreach,Pollution Prevention&Good Housekeeping Sediment Construction Construction Site Runoff Control Nutrients Sewer Overflows,Failing Septic Public Education&Outreach,Illicit Systems,Urbanization, Schools Discharge Detection and Elimination, Construction Site Runoff Control, Post- Construction Site Runoff Control, Pollution Prevention&Good Housekeeping Fecal Coliform Sewer overflows,Failing Septic Public education&Outreach,Illicit Systems,Wildlife,Illicit DischarRes Discharge detection and Elimination Mercury/Statewide Atmospheric deposition Public Education&Outreach(Fish TMDL Consumption Advisory) Illicit Discharges Residential,Commercial,Industrial, Public Education&Outreach,Illicit Municipal staff Discharge Detection&Elimination, Pollution Prevention&Good Housekeeping Illegal Dumping Residential, Commercial,Industrial, Public Education&Outreach,Illicit Municipal staff Discharge Detection&Elimination, Pollution Prevention&Good Housekeeping Improper Disposal Residential,Commercial,Industrial, Public Education&Outreach,Illicit of waste Municipal staff Discharge Detection&Elimination, Pollution Prevention&Good Housekeeping General Non-point Residential,Commercial, Schools, Public Education&Outreach, Pollution Source Pollution Municipal staff Prevention& Good Housekeeping DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 9 PART 4: STORMWATER MANAGEMENT PROGRAM ADMINISTRATION 4.1 Organizational Structure The Town of Knightdale stormwater program is implemented by the Public Works Department. The Public Works Director,with assistance from the Stormwater Manager and Stormwater Technician, is responsible for the management and implementation of all six minimum control measures. The Assistant Town Manager oversees this Program Implementation. KNIGHTDALE vOix C.OIh ORGANIZATIONAL CHART ■ Table 8: Summary of Responsible Parties SWMP Component Responsible Position Staff Name Department Stormwater Program Assistant Town Manger Dustin Tripp Administration Administration (Operations) SWMP Management Stormwater Program Ike Archer Public Works Manager Public Education& Stormwater Program Ike Archer Public Works Outreach Manager DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 10 Public Involvement& Stormwater Program Ike Archer Public Works Participation Manager Illicit Discharge Stormwater Program Ike Archer, Public Works Detection& Manager, Elimination Stormwater Technician Dylan Kirk Construction Site Operations Supervisor John Stover Public Works Runoff Control Post-Construction Stormwater Program Ike Archer, Public Works Stormwater Manager, Management Stormwater Technician Dylan Kirk Pollution Stormwater Program Ike Archer, Public Works Prevention/Good Manager, Housekeeping for Assistant Public Works Larry Johnson Municipal Operations Director Municipal Facilities Stormwater Program Ike Archer, Public Works Operation& Manager, Maintenance Program Assistant Public Works Larry Johnson Director Spill Response Program Fire Chief Loren Cone Fire Department MS4 Operation& Stormwater Program Ike Archer, Public Works Maintenance Program Manager, Assistant Public Works Larry Johnson Director Municipal SCM Stormwater Program Ike Archer Public Works Operation& Manager Maintenance Program Pesticide,Herbicide& Stormwater Program Ike Archer, Public Works Fertilizer Management Manager, Program Grounds Supervisor Jason Eubanks Vehicle&Equipment Stormwater Program Ike Archer Public Works Cleaning Program Manager Pavement Management Public Works Director Phillip Bunton Public Works Program Total Maximum Daily Stormwater Program Ike Archer Public works Load(TMDL) Manager Requirements DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 11 4.2 Program Funding and Budget In accordance with the issued permit,the Town of Knightdale shall maintain adequate funding and staffing to implement and manage the provisions of the SWMP and comply with the requirements of the NPDES MS4 Permit. The budget includes the permit administering and compliance fee,which is billed by the Division annually. The Town manages operational and capital expenditures in a separate, self-sufficient storm water fund mostly supported by a user fee set by Town Council. In fiscal year 2022,the Town had$1,445,499 in revenue with expenditures of$769,260. Reserves for this fund at yearend were $1,693,271. The Town is working on a sustainability project whereby stormwater needs are addressed in both the short and long term. This includes a 10-year capital improvement plan. Current capital improvements are being addressed at the Wake Stone Athletic Park, Environment Park, and Harper Park. 4.3 Shared Responsibility The Town of Knightdale will share the responsibility to implement the following minimum control measures,which are at least as stringent as the corresponding NPDES MS4 Permit requirement. The Town of Knightdale remains responsible for compliance if the other entity fails to perform the permit obligation,and may be subject to enforcement action if neither the Town of Knightdale nor the other entity fully performs the permit obligation. Table 9 below summarizes who will be implementing the component,what the component program is called,the specific SWMP BMP or permit requirement that is being met by the shared responsibility, and whether or not a legal agreement to share responsibility is in place. Table 9: Shared Responsibilities SWMP BMP or Legal Permit Requirement Implementing Entity& Program Name Agreement Y/N BMP No. 3 Clean Water Education Partnership CWEP F Y DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 12 4.4 Co-Permittees The are no other entities applying for co-permittee status under the NPDES MS4 permit number NCS000460 for the Town of Knightdale. Table 10 summarizes contact information for each co- permittee. Table 10: Co-Permittee Contact Information Co-Permittee MS4 Contact Person Phone& E-Mail Interlocal Name Agreement Y/N n/a n/a n/a n/a 4.5 Measurable Goals for Program Administration The Town of Knightdale will manage and report the following Best Management Practices(BMPs)for the administration of the Stormwater Management Program. Table 11: Program Administration BMPs Permit 2.1.2 and Part 4: Annual Self-Assessment Ref. Measures to evaluate the performance and effectiveness of the SWMP program components at least annually. Results shall be used by the permittee to modify the program components as necessary to accomplish the intent of the Stormwater Program. The self-assessment reporting eriod is the fiscal year(July 1 —June 30). BMP A Y _ B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #. 1 Annual Self-Assessment Perform an annual evaluation of 1.Prepare,certify and 1.Annually 1.Yes/No SWMP implementation,suitability of submit the Annual Self- Permit Years 1—4 SWMP commitments and any Assessment to NCDEQ proposed changes to the SWMP prior to August 31 each utilizing the NCDEQ Annual Self- year. Assessment Template. Permit 1.6: Permit Renewal Application Ref. Measures to submit a permit renewal application no later than 180 days prior to the expiration date of the NPDES MS4 permit. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.2 Permit Renewal Application Audit stormwater program 1.Participate in an 1. TBD—Typically 1.Yes/No implementation for compliance with NPDES MS4 Permit Permit Year 4 the permit and approved SWMP,and Compliance Audit,as utilize the results to prepare and scheduled and performed b,, EPA or NCDEQ. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 13 Table 11: Program Administration BMPs submit a permit renewal application 2. Self-audit and 2.Permit Year 5 2.Yes/No/Partial package. document any stormwater program components not audited by EPA or NCDEQ utilizing the DEQ Audit Template. Submit Self- Audit to DEMLR (required component of permit renewal application package). 3.Certify the stormwater 3.Permit Year 5 3.Date of permit renewal permit renewal application submittal application(Permit renewal application form, Self-Audit,and Draft SWMP for the next 5-year permit cycle)and submit to NCDEQ at least 180 days prior to permit expiration. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 14 PART 5: PUBLIC EDUCATION AND OUTREACH PROGRAM The Town of Knightdale will continue to implement a Public Education and Outreach Program to distribute educational materials to the community or conduct equivalent outreach activities about the impacts of storm water discharges on water bodies and steps the public can take to reduce pollutants in storm water runoff. The target audiences and identified pollutants listed in Part 3.9 of this SWMP,which will be addressed by the Public Education and Outreach Program, are summarized in Table 12 below. In addition,the Town of Knightdale is required to inform businesses and the general public of the hazards associated with illicit discharges, illegal dumping and improper disposal of waste. Table 12: Summary of Target Pollutants&Audiences Target Pollutants/Sources Target Audience(s) Litter General Public Yard Waste Residential,Commercial,Municipal Employees Sediment Construction Nutrients Residential,Commercial, Schools Fecal Coliform Residential,Commercial, Schools Mercury/statewide TMDL Residential, Commercial General non-point source pollution Residential, Commercial, Schools,Municipal Employees The Town of Knightdale will manage, implement, and report the following public education and outreach BMPs. Table 13: Public Education and Outreach BMPs Permit 3.2.2 and 3.2.4: Outreach to Targeted Audiences Ref. Measures to identify the specific elements and implementation of a Public Education and Outreach Program to share educational materials to the community or conduct equivalent outreach activities about the impacts of stormwater discharges on water bodies and how the public can reduce pollutants in stonmwater runoff. The permittee shall provide educational information to identified target audiences on pollutants/sources identified in table 12 above, and shall document the extent of exposure of each media, event or activity, including those elements implemented locally or through a cooperative agreement. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Im lementation Metric #.3 Partnership with CWEP The Town will engage with the 1.Arrange partnership 1.Permit Year 1 1.Report date CWEP to develop Education and i with CWEP and establish established and terms of Outreach initiatives that will be legal a,reement le al agreement DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 15 Table 13: Public Education and Outreach BMPs administered by CWEP.Initiatives 2. Submit a partnership 2.Permit Year 1 2.Report date plan is will focus on residential,commercial, plan detailing specific approved and included as and school audiences within the MS4 commitments of the enforceable amendment service area. CWEP partnership to NC to SWMP DEQ for approval 3.Monitor CWEP 3.Annually 3.Yes/no/status activities to ensure partnership commitments are met 4.Attend at least three 4.Annually 4.Yes/no/status (3)quarterly meetings to discuss ongoing topics and events #.4 Town Sponsored Event or Festival The Town will continue to distribute 1.Develop or identify 1.Permit year 1 1.Were education education materials regarding additional informational materials developed or stormwater during at least two(2) handouts for distribution identified?- Town sponsored events or festivals a at the event that covers Yes/no/status year such as the Tree lighting litter,nutrients,and non- ceremony,4'of July celebration,and point source pollution Easter Festivities. (including car washing) 2. Train municipal staff 2.Permit year 1 2.Report the number of to man a stormwater staff members trained booth during the event and distribute the flyers as well as additional educational materials related to stormwater and pollution prevention practices 3.Man a booth at least 3.Annually,beginning 3.Report the number of (2)two Town sponsored PY1 events attended,and events and document the number of handouts number of handouts distributed distributed #.5 Environmental Park Lesson Plan for Local Educators The Town will provide a lesson plan 1.Develop Lesson Plan 1.Permit Year 2 Yes/no/status for local educators to use at the newly and materials to rejuvenated Environmental Park.This distribute lesson plan shall cover the concept 2.Distribute lesson plans 2.Permit Year 2 Yes/no/status behind SCM devices,and how the to local educators at all improvements made to the + schools Environmental Pond directly impact 3. Track the number of 3.Permit Year 2,and Report the number of water quality downstream. lessons completed annually thereafter students reached DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 16 Table 13: Public Education and Outreach BMPs #.6 Social Media Campaign The Town's existing Facebook page 1.Post regarding the 1.Permit Year 1 1.Report the date of will be used to reach the residential impacts of residential each post target audience and share information yard waste related to stormwater issues,with a 2.Post about floatable' s 2.Permit Year 2 2.Report the date of minimum of(2)post per year. and their impact to each post stormwater convqyances 3.Post about minimizing 3.Permit Year 3 3.Report the date of the impacts of Fertilizer each post on downstream water quality 4.Post about residential 4.Permit Year 4 4.Report the date of car washing and vehicle each post leak BMP's to minimize impacts to downstream infrastructure and surface water. 5.Post about illicit 5.Permit Year 5 5.Report the date of discharges and improper each post disposal impacts,and how to properly report incidents to the Town #.7 CWEP Regional Creek Week The Town will continue to participate 1.Continue to participate 1.Annually 1.Yes/no/status in CWEPs Regional Creek Week and in annual Creek Week host at least(1)local event. Planning Meetings. 2. Share and promote all 2.Annually as needed 2.Number of posts regional Creek Week created,and the total events across the state. impressions 3.Host at least(1)Creek 3.Annually 3.Number of events, Week Event in Town and number of participants track all interactions and and materials distributed impressions. Permit 2.1.7,3.2.3 and 3.6.5(c): Web Site Ref. Measures to provide a web site designed to convey the program's message(s)and provide online materials including ordinances,or other regulatory mechanisms, or a list identifying the ordinances or other regulatory mechanisms,providing the legal authority necessary to implement and enforce the requirements of the permit and SWMP. The web page shall also provide developers with all relevant post-construction requirements, design standards, checklists and/or other materials. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Im lementation Metric DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 17 Table 13: Public Education and Outreach BMWs #.8 Stormwater Page on Town Website The web page will provide 1.Update current 1. Permit Year 1 1.Report the date information on the Town's stormwater page updates go live to the stormwater program, including the public permit,SWMP,applicable 2.Maintain the webpage 2. Annually,once 2.Report the date the ordinances,administrative manual, —update any broken updates to the web page web page is reviewed, and annual reports.The web page links,upload new are complete and what updates are will also include a mechanism for education material, made. reporting stormwater related issues, upload any updates made educational materials developed by to the SWMP the Town,and links to additional stormwater educational resources 3. Set a hit counter in 3.Annually,once web 3.Report the number of including CWEP.The web page will order to monitor page updates are hits also serve to advertise the engagement completed Stormwater Hotline. Permit 3.2.5: Stormwater Hotline Ref. Measures for a stormwater hotline/helpline for the purpose of public education and outreach. BMP A C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.9 Stormwater Hotline The current hotline will be 1.Maintain current 1.Permit Year 1-5 1.Yes/no/status maintained for citizens to ask hotline phone number stormwater related questions and and designate report incidents of possible illicit responsible parties. discharge and improper disposal. 2.Establish and train all 2.Permit year 1 2.Report the date of responsible parties to training,and number of answer stormwater staff trained. questions and concerns 3.Train responsible 3.Permit year 1 3.Report the date of parties in general training and the dates of stormwater knowledge, any additional staff are appropriate contacts for trained stormwater questions, and citizen opportunities within the stormwater program 4.Publicize hotline in 4.Permit Year 1 4.Yes/no/status education materials developed for the stormwater program and advertise on the Town's stormwater web pag e. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 18 Table 13: Public Education and Outreach BMPs 5.Establish a tracking 5.Permit Year 1 5.Report the number and mechanism to document type of calls received the number and type of calls received DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 19 PART 6: PUBLIC INVOLVEMENT AND PARTICIPATION PROGRAM This SWMP identifies the minimum elements and implementation of a Public Involvement and Participation Program that complies with applicable State,Tribal and local public notice requirements. The planning commission will continue to function as the Town's stormwater advisory board with the additional advisory of the stormwater administrator to highlight stormwater issues.A stormwater hotline and a stormwater issues reporting mechanism on the webpage will be used to collect public input. The Town of Knightdale will continue to coordinate with other departments to promote and plan town-wide litter cleanup events that provide volunteer opportunities and prevent floatable materials from entering the MS4. The Town of Knightdale will continue to manage, implement,and report the following public involvement and participation BMP's. Table 14: Public Involvement and Participation BMPs Permit 3.3.1: Public Input Ref. Mechanisms for public involvement that provide for input on stormwater issues and the stormwater program. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #. 10 Planning Commission Town staff will bring stormwater 1.Include a bi-annual 1.Bi-annually,beginning 1.Report the date of issues before the planning agenda item for Town in permit year 1 meetings and the commission to receive citizen input staff to report on stormwater topics and factor stormwater into stormwater concerns and discussed development decisions. receive input from the commission #. 11 Stormwater Hotline A hotline will be maintained for 1. See BMP No.9 1. See BMP No.9 1. See BMP No.9 citizens to ask stormwater questions and report stormwater issues(See BMP No. 9l. N. 12 Stormwater Page on Town Website DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 20 Table 14: Public Involvement and Participation BMPs The web page will provide 1.See BMP No. 8 1. See BMP No. 8 1. See BMP No. 8 information on the Town's stormwater program,including the permit, SWMP,applicable ordinances,administrative manual, and annual reports. The web page will also include a mechanism for reporting stormwater related issues, educational materials developed by the Town,and links to additional stormwater educational resources including CWEP.The web page will also serve to advertise the Stormwater Hotline.(See BMP No. Permit 3.3.2: Volunteer Opportunities Ref. Measures to provide volunteer opportunities designed to promote ongoing citizen participation. BMP A fi C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #. 13 Annual Town Litter Sweep Organize and promote at least(1) 1.Identify public areas 1.Permit Year 1 1.Potential Areas annual Litter Sweep Event. that could be cleaned by Identified?— volunteers Yes/no/status 2.Coordiante clean-up of 2.Annually,beginning in 2.Report the number of public areas permit year 2 participants and the number trash bags filled. #. 14 Partnership with CWEP The Town will engage with CWEP to 1.Arrange partnership 1. See BMP No.2 1. See BMP No.2 develop volunteer opportunities that with CWEP will be administered by the Town. 2.Coordinate with 2. See BMP No.2 2. See BMP No.2 Opportunities will focus on CWEP to develop and residential,commercial,and school implement these audiences within the MS4 area. I opportunities DRAFrr NCS000460 SWMP Town of Knightdale 10/23/2023 Page 21 PART 7: ILLICIT DISCHARGE DETECTION AND ELIMINATION PROGRAM The Town of Knightdale will develop,manage, implement, document,report and enforce an Illicit Discharge Detection and Elimination Program which shall,at a minimum, include the following illicit discharge detection and elimination BMPs. The existing IDDE Program Plan will be revised and expanded in order to implement a complete program by permit year 5. The existing MS4 map includes all known conveyances but will be updated as new development projects are completed. Table 15: Illicit Discharge Detection and Elimination BMPs Permit 3.4.1: MS4 Map Ref. Measures to develop,update and maintain a municipal storm sewer system map including stormwater conveyances, flow direction,major outfalls and waters of the United States receiving stormwater discharges. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #. 15 Continual Updates to MS4 Map The MS4 map will be continuously 1.When new 1. Continuously 1.Report the number of updated for completeness. conveyances and outfalls new assets added are located or annually constructed add them to map Permit 3.4.2: Regulatory Mechanism Ref. Measures to provide an IDDE ordinance or other regulatory mechanism that provides legal authority to prohibit, detect, and eliminate illicit connections and discharges, illegal dumping and spills into the MS4, including enforcement procedures and actions. BMP A No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #. 16 Maintain Legal Authority Review existing ordinance(UDO 1.Review ordinance and 1.Permit Year 1 1.Report if Revision is Chapter 9.4.j-Illicit Discharges and update if revision is required and if a revision Connections)in order to maintain the required to maintain is made legal authority to prohibit,detect,and legal authority eliminate illicit connections and discharges,illegal dumping,and spills into the MS4,including enforcement procedures and actions. Update ordinance if required. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 22 Table 15: Illicit Discharge Detection and Elimination BMPs Permit 3.4.3: IDDE Plan Ref. Measures to maintain and implement a written IDDE Plan to detect and address illicit discharges, illegal dumping and any non-stormwater discharges identified as significant contributors of pollutants to the MS4. The plan shall provide standard procedures and documentation to: a) Locate priority areas likely to have illicit discharges, b) Conduct routine dry weather outfall inspections, c) Identify illicit discharges and trace sources, d) Eliminate the source(s)of an illicit discharge, and e) Evaluate and assess the IDDE Program. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #. 17 Outfall Inspections Perform regular dry weather(no rain 1.Train inspections staff 1. See BMP No.21 1. See BMP No.21 in previous 72 hours)outfall to perform dry weather inspections to proactively identify outfall inspections and illicit discharges and illicit illicit discharge connections. investigations 2.Inspect all major 2.Annually,beginning 2.Number of outfalls outfalls annually in dry year 1 inspected, and number of weather conditions and potential illicit document any potential discharges identified violations using the forms and procedure developed in BMP No. 21 #. 18 Illicit Discharge Identification Procedure Revise and maintain a standard 1.Review current IDDE 1.Permit year 1 1.Completed?— operating procedure(SOP)for Investigation SOP and yes/no/status investigating potential illicit update if revision is discharges,illicit connections,and required to meet illegal dumping. requirements of the new SWMP 2.Maintain a written 2.Continuously 2.Yes/no/status IDDE Program DRAF'r NCS000460 SWMP Town of Knightdale 10/23/2023 Page 23 Table 15: Illicit Discharge Detection and Elimination BMPs #. 19 IDDE Program Evaluation Yearly evaluation of IDDE program 1. Evaluation meeting 1.Annually,in 1.Report any proposed to promote continuance of effective with IDDE program conjunction with the changes components and improvement in stakeholders;to include at annual assessment areas that are lacking,as well as, least Stormwater identification of potential"hot-spot' Administrator and Public areas. Works Director 2.Review of IDDE 2.Annually,in 2.Report the number of reports and identification conjunction with the potential illicit of chronic violators, annual assessment discharges found,the issues,and/or"hot-spot' number of illicit areas discharges verified,and the number of illicit discharges resolved/removed,and any enforcement actions taken Permit 3.4.4: IDDE Tracking Ref. Measures for tracking and documenting the date(s)an illicit discharge, illicit connection or illegal dumping was observed,the results of the investigation,any follow-up of the investigation,the date the investigation was closed,the issuance of enforcement actions, and the ability to identif y chronic violators. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation_ Metric #.20 Database Tracking System A tracking system for observed IDDE 1.Review current 1.Permit Year 1 1.Yes/no/status violations and follow-on actions will "Incident Report Form" be developed and implemented in and update if revisions order to identify"hot-spot'areas, are necessary to meet chronic violators,and recurring requirements of new issues.(To be used during BMP No. SWMP. The"Incident 17.3) Report Form"Should include illicit discharge indicators,date,location, and contacts made. 2.Review current 2.Permit Year 1 2.Yes/no/status tracking spreadsheet to collect data from the "Incident Report Form" as well as the results of the investigation,any follow-up,date of closure,and enforcement taken DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 24 Table 15: Illicit Discharge Detection and Elimination BMPs Permit 3.4.5: Staff IDDE Training Ref. Measures to provide training for municipal staff and contractors who, as part of their normal job responsibilities,may observe an illicit discharge, illicit connection, illegal dumping or spills. Training shall include how to identify and report illicit discharges, illicit connections, illegal dumping and spills. Each staff traininR event shall be documented, including the agenda/materials,date, and number of staff participating. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric N.21 Staff Training Develop a program to educate Town 1.Identify or develop 1.Permit Year 2 1.Yes/no/status staff of indicators of potential illicit staff training program for discharges/connections and illegal public works employees dumping and the appropriate avenues 2.Train all staff with 2.Permit Year 2 2.Report topics,training through which to report suspected Illicit Discharge& date,and number of illicit discharges.(See BMP No. 18 Detection responsibilities attendees for SOPs by which to train staff). 3.Train new staff that 3.Annually,beginning in 3.Report topics,training will be part of the IDDE permit year 3 date,and number of program attendees #.22 Facts Sheet Hang fact sheet posters in employee 1.Identify or develop 1.Permit Year 2 1.Yes/no/status common areas to serve as a reminder illicit discharge fact sheet of the basics on identifying and posters to display reporting illicit discharges, 2.Display posters in 2.Annually,beginning in 2.Number of posters connections,and dumping. employee common areas permit year 2 huniz Permit 3.4.6: IDDE Reporting Ref. Measures for the public and staff to report illicit discharges, illegal dumping and spills. The mechanism shall be publicized to facilitate reporting and shall be managed to provide rapid response by appropriately trained personnel. BMP A B C D No. Schedule for Annual Reporting Description of BMP Measurable Goal(s) Im )lementation Metric #.23 Stormwater Hotline A Hotline will be maintained for 1. See BMP No.9 1. See BMP No.9 1. See BMP No.9 citizens to ask stormwater questions and report stormwater issues.(See BMP No.9) DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 25 Table 15: Illicit Discharge Detection and Elimination BMWs #.24 Stormwater Page on Town Website The web page will provide links to 1. See BMP No. 8 1. See BMP No. 8 1. See BMP No. 8 information on the Town's stormwater program,including the permit, SWMP,applicable ordinances,and annual reports. The web page will also include a stormwater issue reporting mechanism,educational materials developed by the Town,and links to additional stormwater educational resources.The web page will also serve to advertise the stormwater hotline,and opportunities for involvement. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 26 PART 8: CONSTRUCTION SITE RUNOFF CONTROL PROGRAM In accordance with 15A NCAC 021-1 .0153,the Town of Knightdale relies upon the North Carolina Sedimentation Pollution Control Act(SPCA)of 1973 as a qualifying alternative program to meet a portion of the NPDES MS4 Permit requirements for construction site runoff control measures. The SPCA requirements include reducing pollutants in stormwater runoff from construction activities that result in land disturbance of greater than or equal to one acre, and includes any construction activity that is part of a larger common plan of development that would disturb one acre or more. The state SPCA Program is either delegated to a city/town,delegated to a county, or implemented by NCDEQ in non- delegated areas. Table 16: Qualifying Alternative Program Components for Construction Site Runoff Control Program Permit State or Local Program Name Legal Authority Implementing Reference Entity 3.5.1 - Town of Knightdale 15A NCAC Chapter 04, Town of 3.5.4 Delegated SPCA Program* NCDEQ Approved Delegation, Knightdale Local Ordinance * The local delegated SPCA Program ordinance(s)/regulatory mechanism(s)can be found at: https://codelibrary.amlegal.com/codes/knightdale/latest/knightdale_nc/0-0-0-6892 The Town of Knightdale also implements the following BMPs to meet NPDES MS4 Permit requirements. Table 17: Construction Site Runoff Control BMPs Permit 3.5.6: Public Input Ref. Measures to provide and promote a means for the public to notify the appropriate authorities of observed erosion and sedimentation problems. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.25 Municipal Staff Training Train municipal staff who receive 1.Annually Permit Years 1.Number of staff calls from the public on the protocols 1.Train municipal staff 1-5 trained,training dates for referral and tracking of co proper handling of and topics covered construction site runoff control construction site runoff in control complaints. com la ts. #.26 Stormwater Hotline A hotline will be maintained for 1. See BMP No. 8 1. See BMP No. 8 1. See BMP No. 8 citizens to ask stormwater questions and report stormwater issues(See BMP No. 8). 3.5.5: Waste Management Permit Measures to require construction site operators to control waste such as discarded building materials, concrete Ref. truck washout,chemicals, litter,and sanitary waste at the construction site that may cause adverse impact to water quality. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 27 Table 17: Construction Site Runoff Control BMPs BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.27 Establish and Maintain Legal Authority Develop and implement an ordinance 1.Pass Ordinance 1.Permit Year 1 1.Yes/no/status to require construction site operators to control waste. 2.Maintain legal 2.Continously,after 2.Yes/no/status authority ordinance is adopted #.28 Contractor Education Communicate new waste 1.Identify/develop fact 1.Permit year 1,after 1.Yes/no/status management requirements to sheet to be included in ordinance is adopted construction site operators. approved CD submittals 2.Distribute fact sheet at 2.Permit year 1,after 2.Yes/no/status pre-construction ordinance is adopted meetings 3.Add fact sheet to 3.Permit year 1,after 3.Number of fact sheets website ordinance is adopted I distributed DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 28 PART 9: POST-CONSTRUCTION SITE RUNOFF CONTROL PROGRAM This SWMP identifies the minimum elements to develop, implement and enforce a program to address stormwater runoff from new development and redevelopment projects that disturb greater than or equal to one acre, including projects less than one acre that are part of a larger common plan of development or sale,that are located within the Town of Knightdale and discharge into the MS4. These elements are designed to minimize water quality impacts utilizing a combination of structural Stormwater Control Measures(SCMs)and/or non-structural BMPs appropriate for the community, and ensure adequate long- term operation and maintenance of SCMs. In accordance with 15A NCAC 02H .0 15 3 and .1017,the Town of Knightdale implements the following State post-construction program requirements,which satisfy the NPDES Phase Il MS4 post-construction site runoff control requirements as Qualifying Alternative Programs(QAPs)in the MS4 area(s)where they are implemented. Table 18: Qualifying Alternative Program(s)for Post-Construction Site Runoff Control Program State QAP Name State Requirements Local Ordinance/Regulatory Mechanism Reference Neuse River Basin Nutrient Sensitive 15A NCAC 2B .0235 UDO Chapter 9.4 (NSW)Management Strategy The Town of Knightdale has existing requirements other than Qualifying Alternative Program(s)for implementation of the NPDES Phase 11 MS4 post-construction program requirements. These existing requirements are codified in local ordinance(s), and implementation is further defined in guidance, manuals and/or standard operating procedure(s)as summarized in Table 19 below. Table 19: Summary of Existing Post-Construction Program Elements DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 29 Permit Requirements for Municipal Ordinance/Code Reference(s) Date Adopted Plan Review and Approval and/or Document Title(s) 3.6.2 a AuthoriT% Town of Knightdale UDO Chapter 9.4.a July 21,2021 3.6.3(a)& 15A NCAC 02H.0153(c) Town of Knightdale UDO Chapter 9.4 July 21,2021 Federal, State&Local Projects 3.6.3 b Plan Review Town of Knightdale UDO Cha ter 9.4.b July 21,2021 3.6.3(c)NMS Review Town of Knightdale UDO Chapter 9.4.g July 21,2021 3.6.3 d O&M Agreement Town of Knightdale UDO Chapter 9.4.h July 21,2021 h3.6.3 e O&M Plan Town of Knightdale UDO Chapter 9.4.h July 21,2021 3.6.3(f)Deed Town of Knightdale UDO Chapter 9.4.h July 21,2021 Restrictions/Covenants 3.6.3(g)Access Easements Town of Knightdale UDO Chapter 9.4.h July 21,2021 Permit Requirements for Municipal Ordinance/Code Reference(s) Date Adopted Inspections and Enforcement and/or Document Title(s) 3.6.2 b Documentation Town of Knightdale UDO Chapter 9.4.h July 21 2021 3.6.2 c Right of Entr.N Town of Knightdale UDO Chapter 9.4.i July 21,2021 3.6.4 a Pre-CO Inspections Town of Knightdale UDO Chapter 9.4.c July 21,2021 3.6.4(b) Compliance with Plans Town of Knightdale UDO Chapter 9.4 July 21,2021 3.6.4 c Annual SCM Inspections Town of Knightdale UDO Chapter 9.4.h July 21,2021 3.6.4 d Low Density Inspections BMP 30 TBD 3.6.4(e)Qualified Professional Town of Knightdale UDO Chapter 9.4.h July 21,2021 Permit Requirements for Municipal Ordinance/Code Reference(s) Date Adopted Fecal Coliform Reduction and/or Document Title(s) 3.6.6 a Pet Waste BMP 34 TBD 3.6.6(b)On-Site Domestic Wake County Environmental Services June 5,2020 Wastewater Treatment Application,Evaluation, and Permitting Procedures for Septic Systems and Well Construction The annual reporting metrics for the post construction program are provided in Table 20: Post Construction Site Runoff Control BMPs below. Table 20: Post Construction Site Runoff Control BMPs Permit 3.6.5(a),3.6.5(b),and 4.1.3: Minimum Post-Construction Reporting Requirements Ref. Measures to document activities over the course of the fiscal year(July 1 —June 30) including appropriate information to accurately describe rogress, status,and results. BMP A B G D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting L_ Implementation Metric #.29 Standard Reporting Implement standardized tracking, 1. Track number of low- 1. Continuously 1.Number of plan documentation,inspections and density and high-density Permit Year 1-5 reviews performed for reporting mechanisms to compile plan reviews performed. low density and high appropriate data for the annual self- density. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 30 Table 20: Post Construction Site Runoff Control BMPs assessment process. Data shall be 2.Track number of low- 2. Continuously 2.Number of plan provided for each Post-Construction/ density and high-density Permit Year 1-5 approvals issued for low Qualifying Alternative Program plans approved. densi and high density. being implemented as listed in Tables 3.Maintain a current 3. Continuously 3. Summary of number 18 and 19. inventory of low-density Permit Year 1-5 and type of SCMs added projects and constructed to the inventory;and SCMs including SCM number and acreage of type or low-density low-density projects acreage,location and last constructed. inspection date. 4.Track number of SCM 4. Continuously 4.Number of SCM inspections performed. Permit Year 1-5 inspections. 5.Track number of low- 5. Continuously 5.Number of low- density inspections Permit Year 1-5 density projects performed. inspected. 6.Track number and 6. Continuously 6.Number of type of enforcement Permit Year 1-5 enforcement actions actions taken. issued. #.30 Standard Nutrient Management Strategy Reporting Implement standardized tracking, 1.Track number of 1. Continuously 1.Number of plan documentation, inspections,and NMS-subject plan Permit Years 1-5 reviews performed for reporting mechanisms to compile reviews approved NMS-subject plans appropriate data for the annual self- 2.Maintain a current 2. See BMP 29.3 2. See BMP 29.3 assessment process. Data shall be inventory of provided for each Post-Construction/ developments and lots Qualifying Alternative Program with BUA limits(BMP being implemented as listed in Tables 29.3)and constructed 18 and 19. SCMs including SCM type or location,and last inspection date(BMP 29.3). 3.Track number of post 3. See BMP 29.4 3. See BMP 29.4 construction SCM inspection performed by staff in the past year 4.Track number and 4.Continuously 4.Number and type of type of construction- construction-phase phase stormwater stormwater inspections inspections performed DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 31 Table 20: Post Construction Site Runoff Control BMPs #.31 Data Used in Nutrient Calculations Input data used for the calculation of 1.Export SNAP input 1.Continuously 1.Nutrient calculation nutrient export and reduction by data from each Permit Years 1-5 input data for all SCMs for all development sites development upon developments and subject to<.071 1 or.0731>will be approval. expansions subject to the collected for the year and submitted Neuse Stormwater Rule as an appendix for the Local 2.Provide adjusted 2.Annually 2.Nutrient calculation Program's Annual Report. SNAP input data from data for these each development where developments and a completed landcovers are notice for which different from what was previously submitted permitted. data are to be replaced Permit 3.6.2: Legal Authority Ref. Measures to maintain adequate legal authorities through ordinance or other regulatory mechanism to: (a)review designs and proposals for new development and redevelopment to determine whether adequate stormwater control measures will be installed, implemented, and maintained, (b)implement requirements of the Neuse Nutrient Strategy Stromwater Rule, including nutrient target, Rule applicability, stormwater treatment requirements, nutrient calculation methods, and nutrient offset(c)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,and(d)enter private property for the purpose of inspecting at reasonable times any facilities, equipment,practices, or operations related to stormwater discharges to determine whether there is compliance with the Post-Construction Stormwater Management Program. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation T Metric This permit requirement is fully met by the existing post-construction program,see references provided in table 18 and 19 Permit 3.6.3: Plan Review and Approval Ref. Measures to maintain plan review and approval authority, standards and procedures to: (a)Require Federal, State, and local government projects to comply with Post-Construction Program requirements throughout the entire MS4 permitted area,unless the entity is subject to its own NPDES MS4 permit or a qualifying alternative program, (b) Conduct site plan reviews of all new development and redeveloped sites that disturb greater than or equal to one acre, and sites that disturb less than one acre that are part of a larger common plan of development or sale for compliance with 15A NCAC 02H .1017 and the qualifying alternative programs that apply within your jurisdiction, (c)Conduct site plan reviews of all new development and development expansions for compliance with the stormwater treatment and nutrient reduction requirements in 15A NCAC 02B .0711, (d) Ensure that each project has an Operation and Maintenance Agreement that complies with 15A NCAC 02H .1050(12), (e)Ensure that each project has an Operation and Maintenance Plan that complies with 15A NCAC 02H .1050(13),(f) Ensure that each project has recorded deed restrictions and protective covenants,that require the project to be maintained consistent with approved plans, and(g) Ensure that each SCM and associated maintenance accesses be protected in a permanent recorded easement per 15A NCAC 02H 1050 9 and (10). DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 32 Table 20: Post Construction Site Runoff Control BMPs BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.33 Review Plans for Compliance with Nutrient Management Strategy Conduct site plan reviews of all new 1.Establish application 1.Continuously 1. Yes/no/status development and development intake and review expansions for compliance with the procedures stormwater treatment and nutrient 2.Conduct site plan 2.Continuously 2.Number of plans reduction requirements in 15A reviews approved annually NCAC 02B.0711,including reviews of nutrient calculations using a DWR-approved calculation tool #.34 Require Recordation of BUA Limits on Deeds or Plats Ensure that for lots in developments 1.Establish legal 1.Permit Year 1 1. Report code reference with a common plan of development authority through code and date adopted that a BUA limit,based on the revision approved Stormwater Plan,is 2.Include BUA review 2.Permit Year 1 2.Yes/no/status recorded with either the deed or plat in plan review procedures 3.Conduct site plan 3.Continuously 3.Number of plans reviews reviewed annually #.35 Plan Review Staff Training on Nutrient Calculator Tool Ensure all plan review staff have 1.All current plan 1.Permit Year 1 1.Percent of review staff gone through DWR-provided plan review staff participate in that have attended live reviewer training for the approved live online training for online training nutrient calculator SNAP calculator tool 2.Plan review staff who 2.Annually 2.Percent of review staff were unable to attend that have viewed live online workshop recording of training view recording of training Permit 3.6.4: Inspections and Enforcement Ref. Measures to maintain inspection and enforcement authority, standards and procedures to: (a) Conduct post- construction inspections prior to issuing a Certificate of Occupancy or a Temporary Certificate of Occupancy. Alternatively,the project owner may provide a surety bond to guarantee compliance with the approved plan(s), (b)Ensure that the project has been constructed in accordance with the approved plan(s), (c)Ensure annual inspection of each permitted SCM to ensure compliance with the approved Operation and Maintenance Agreement, (d)Ensure inspection of low density projects at least once during the permit term, and(e) Require that inspections be conducted by a qualified professional. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation ' Metric URAF NCS000460 SWMP Town of Knightdale 10/23/2023 Page 33 Table 20: Post Construction Site Runoff Control BMPs #.30 Inspection of Low-density Projects Establish the legal authority for 1. Establish legal 1.Permit Year 2 1.Report code reference inspection of low-density projects at authority through code and date adopted least once during the permit term; and revision carry out the inspections. 2. Conduct inspection of 2. See BMP No.29.5 2. See BMP No.29.5 20%of low-density projects each year(See BMP No.29.5) Permit 3.6.5: Documentation Ref. Measures to maintain adequate documentation and standardized inspection and tracking mechanisms to: (a) Maintain an inventory of post-construction SCMs and low-density projects,(b) Document,track and maintain records of inspections and enforcement actions. Tracking shall include the ability to identify chronic violators, and(c)Maintain an inventory of developments and parcels with BUA limits(d) Document,track and maintain records of inspections and enforcement actions through the end of construction for compliance with development plans. Tracking shall include the ability to identify chronic violators(e) Make available to developers all relevant ordinances,post-construction requirements,nutrient management and design standards, checklist,and/or other materials(f) Provide education resources for the public regarding BUA limits in development and management of SCMs BMP A B C fl No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.31 Inventory of Post-construction SCMs and Low-density Projects Develop and maintain a 1. Add SCMs and low- 1. See BMP No.29.3 1. See BMP No.29.3 comprehensive inventory of post- density projects to construction SCMs and low-density inventory list when as- projects to be utilized for inspections builts are approved and tracking. 2.Issue letter of 2.Continuously, 2.Number of letters sent notification to owners beginning permit year 1 making them aware of upcoming inspections #.-- Inventory of Developments and Lots with BUA Limits Develop and maintain a 1.Establish a list of 1.First year 1.Number of comprehensive inventory of projects developments with BUA developments that have BUA limits tied to their limits stormwater management or nutrient 2.Establish a list of 2.First year 2.Number of parcels loading requirements to be used when parcels or lots with BUA reviewing new development plans. limits DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 34 Table 20: Post Construction Site Runoff Control BMPs Develop and maintain a database 3.Add developments and 3.Continuously 3. Total numbers of BUA limits on development and lots within to the list developments and lots individual lots within,with BUA when project as-builts limits based on their approved are approved stormwater plans.Actual BUA amounts are updated as new development is approved for and occurs on individual lots. #.32 Inspection Tracking Track the results of regular post- 1.Continue to improve 1. See BMP No.29.3 1. See BMP No.29.3 construction SCM and low-density and implement inspections to provide documentation inspection tracking and the ability to identify chronic mechanism to meet all violators. requirements of BMP No.29 Permit 4.1.3 2.Continuously update 2.Continuously, 2.Yes/no/status beginning permit year 1 #.33 Developer Resources Establish a developer stormwater 1.Upload links to 1.Permit Year 1;in 1.Yes/no/status,link to resources section of the town website ordinances,post conjunction with webpage so relevant materials are easily construction stormwater website accessible for developers. requirements,design update standards,and other relevant material to website. 2.Update when changes 2.Continuously,once 2.Report date of updates to resources occur links are established and changes made Permit 3.6.6: Fecal Coliform Reduction Ref. Measures to control,to the maximum extent practicable, sources of fecal coliform per 15A NCAC 02H .1017(7). At a minimum,the program shall include: (a)A pet waste management component,which may be achieved by revising an existing litter ordinance,and(b)An on-site domestic wastewater treatment system component, if applicable,which may be coordinated with local county health department,to ensure proper operation and maintenance of such systems. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation_ Metric #.34 Pet Waste Ordinance DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 3 5 Table 20: Post Construction Site Runoff Control BMPs Revise current litter ordinance to 1.Pass ordinance 1.Permit year 1 1.Yes/no/status include the addition of pet waste revision 2.Maintain legal 2.Continuously,after 2.Yes/no/status authority ordinance is adopted DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 36 PART 10:POLLUTION PREVENTION AND GOOD HOUSEKEEPING PROGRAMS This SWMP provides a comprehensive pollution prevention and good housekeeping strategy for the Town of Knightdale municipal facilities and operations. Pollution prevention and good housekeeping is accomplished through the implementation of seven required programs,which collectively address the ultimate goal of preventing or reducing pollutant runoff from municipal operations such as parks and open space maintenance,fleet and building maintenance,new construction and land disturbances, and municipal storm sewer system maintenance. Pollution prevention and good housekeeping for municipal operations includes the following programs: 1. Municipal Facilities Operation and Maintenance Program 2. Spill Response Program 3. MS4 Operation and Maintenance Program 4. Municipal SCM Operation and Maintenance Program 5. Pesticide,Herbicide and Fertilizer Management Program 6. Vehicle and Equipment Maintenance Program 7. Pavement Management Program Currently, large scale spill response procedures are handled by the Knightdale Fire Department while all other components of the pollution prevention and good housekeeping measures are implemented by the Public Works Department.The Town already provides street sweeping and yard waste collection services to residents but will begin to quantify and monitor for assessment.A facility inventory was completed in 2019 and will serve as the basis for developing the program and creating documentation for inspection requirements. The Town of Knightdale will manage, implement and report the pollution prevention and good housekeeping BMPs as specified in Table 21 below for each required program. DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 37 Table 21: Pollution Prevention and Good Housekeeping BMPs Permit 3.7.1: Municipal Facilities Operation and Maintenance Program Ref. Measures to manage facilities that are owned and operated by the permittee and have the potential for generating polluted stormwater runoff. The permittee shall maintain a current inventory of municipal facilities;perform facility inspections and routine maintenance;establish specific frequencies,schedules,and standard documentation;provide staff training on general stormwater awareness and implementinp pollution prevention and good housekeeping ractices. BMP A B C No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.35 Inventory of Municipal Facilities Develop and maintain an up-to-date 1.Complete list of 1.Permit Year 1 1.Number of facilities inventory of municipal facilities with existing Town-owned inventoried;date list is potential to generate polluted runoff. facilities completed 2.Perform initial 2. 2. inspection of facilities for potential to generate polluted runoff or requiring spill response procedures.Classify facilities as having high or low potential for stormwater pollution 3.Determine which 3.Permit year 2 3.Number of SWPPPs facilities will require a Required SWPPP 4.Determine which 4. See BMP No.45 4. See BMP No.45 facilities may require an individual NPDES Industrial permit(See BMP No.45 5.Update inventory as 5.As required 5.Number of facilities necessary when facilities added/revisions made are added or closed. #.36 Facility Inspections Inspection of Town facilities to 1.Establish a SOP for 1.Permit year 2 1.Yes/no/status confirm good housekeeping practices town facility inspections, are being followed,including vehicle including an inspection and equipment cleaning(See BMP schedule, inspection No.46). reporting documentation, and tracking system DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 3 8 Table 21: Pollution Prevention and Good Housekeeping BMPs 2.Implement annual 2.Continuously, 2.Number of staff facility inspections for beginning in permit year members with active high stormwater 2 certification pollution potential facilities and once per permit tern for low potential facilities, following a SOP established in BMP No. 36.1 #.37 Staff Training Develop or identify a staff training 1. See BMP No.40 1. See BMP No.40 1. See BMP No.40 program for general stormwater pollution prevention and provide to Public Works Department employees See BMP No.40). 3.7.2: Spill Response Program Permit Measures for facilities and operations that store and/or use materials that have the potential to contaminate stormwater Ref. runoff if spilled. The permittee shall maintain written spill response procedures and train staff on spill response procedures. BMP ,_ B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.38 Inventory of Facilities with Spill Potential Maintain a list of town facilities and 1.Update list of town 1.When necessitated by 1.Number of additions operations soring materials that facilities and operations changes in facilities or or revisions would be a pollutant if spilled and with spill potential when operations introduced into the stormwater facilities or operations conveyance system and classify each are changed by hazard type and quantity(See BMP No.35.2). #.39 Spill Response Procedures Maintain spill response procedures 1.Review general spill 1.Permit year 1 1.Are procedures and continue training of appropriate response procedures adequate?— staff. Yes/no/status 2.Review specific spill 2.Permit year 1 2.Are procedures response procedures for adequate?— Town facilities and Yes/no/status operations with potential to produce high hazard spills 3.Update as facilities 3.As required 3.Number of additions and operations are or revisions made revised _ 4.Train new Fire 4.As required 4.Number of new staff Department staff in spill trained response procedures DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 39 Table 21: Pollution Prevention and Good Housekeeping BMPs 5.Train staff at facilities 5.Annually 5.Number of staff with potential for high trained hazard spills in first response actions and reporting procedures Permit 3.7.3: MS4 Operation and Maintenance Program Ref. Measures to minimize pollutants in the stormwater collection system. The perinittee shall provide operation and maintenance staff training on stormwater awareness and pollution prevention,perform MS4 inspections,maintain the collection system including catch basins and conveyances;and establish specific frequencies, schedules,and standard documentation. BMP `4 B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.40 Staff Training Develop or identify a staff training 1.Develop or identify 1.Permit year 2 1.Yes/no/status program for general stormwater appropriate training pollution prevention and provide to ro�ram _ Public Works Department employees. 2.Provide initial training 2.Annually,beginning in 2.Number of staff for all employees permit year 3 members trained topics from training 3.Provide training for 3.Annually,beginning in 3.Number of new hires new hires permit year 3,as trained and topics from necessitated by staffing training changes #.41 MS4 System Inspections and Maintenance A proactive plan for MS4 system 1.Develop a SOP that 1.Annually 1.Yes/no/status maintenance,requiring regular includes proactive inspections and maintenance. inspection schedules, standard documentation, staff responsibilities, and proper maintenance trainin 2.Inspect 10%of all 2.Following schedule 2.Number of inspections Town-owned stormwater established in SOP,once documented infrastructure annually in SOP and tracking system accordance with (see BMP No.41.1 and developed SOPs 41.4)are established 3.Verify,document,and 3.Continuously,as 3.Number of prioritize maintenance potential maintenance maintenance activities activities identified by activities are identified performed inspections or citizen reports DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 40 Table 21: Pollution Prevention and Good Housekeeping BMPs 4.Develop an inspection 4.Permit year 2 4.Yes/no/status and maintenance tracking system to be used in accordance with the SOP and to identify "hot spot"locations for s.'stem maintenance Permit 3.7.4: Municipal SCM Operation and Maintenance Program Ref. Measures to manage municipally-owned,operated,and/or maintained structural stormwater control measures(SCMs)that are installed for compliance with the permittee's post-construction program. The permittee shall maintain a current inventory of SCMs,perform SCM inspections and maintenance,and shall establish specific frequencies, schedules,and documentation. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.42 Inventory of Municipal Structural SCMs Development and maintenance of a 1.Create an inventory of 1.Permit year 1 1.Number of municipal current inventory of municipally existing Town-owned structural SCMs owned structural SCMs. SCMs with information including type,year built,date of last inspection and maintenance actions 2.Complile,and develop 2.Permit year 2 2.Yes/no/status as needed,Operation and Maintenance Plans for all Town-owned SCMs 3.Update as necessitated 3.As required 3.Number of updates to by new Town list development #.43 SCM Inspections and Maintenance Performance and documentation of 1.Update current map 1.Annually 1.Note annually whether regular inspection and maintenance when new Town-owned new Town-owned SCMs of municipally owned structural SCMs are constructed were added.If any are SCMs. added,note the number and facility e 2.Maintain NC SCM 2. Continuously, 2.Number of staff Inspection and beginning in permit year members with active Maintenance 2 certification Certification for Appropriate ersonnel 3.Maintain and update 3.Continuously, 3.Number of current SCM inspection beginning in permit year additions/revisions made forms to ensure 1 compliance with MS4 permit requirements DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 41 Table 21: Pollution Prevention and Good Housekeeping BMPs 4.Inspect each device 4.Annually,beginning in 4.Number of SCMs using SCM inspection permit year 1 inspected,number of form passing inspections,and the number of facilities reqyirin&maintenance 5.Perform maintenance 5.As required 5.Number of SCMs task as identified in maintained sections 6.Track inspections 6.Continuously, 6. Yes/no/status using SCM database beginning in permit year 1 Permit 3.7.5: Pesticide,Herbicide and Fertilizer Management Program Ref. Measures to minimize water quality impacts from the use of landscape chemicals. The pennittee shall provide routine pollution prevention and chemical use,storage and handling training, and shall ensure compliance with permits and applicator certifications. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.44 Pesticide,Herbicide,Fertilizer,Applicator Training Training of Town staff who apply 1.Maintain Right-of- 1.Continuous 1.Yes/no/status landscape chemicals in order to Way Pest Control,Public minimize water quality impacts from Health Control,and pesticides,herbicides,and fertilizers. Ornamental&Turf Pest Control applicator certifications for appropriate ersonnel 2.Develop or identify 2.Permit year 2 2.Yes/no/status pollution prevention and chemical use,storage, and handling training program 3.Provide staff training 3.Annually,beginning in 3.Number of staff in pollution prevention permit year 3 trained,and topics and chemical use, covered storage, and handling DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 42 Table 21: Pollution Prevention and Good Housekeeping BWs Permit 3.7.6: Vehicle and Equipment Maintenance Program Ref. Measures to prevent and minimize contamination of stormwater runoff from areas used for municipal vehicle and equipment maintenance and/or cleaning. The permittee shall ensure that municipal industrial facilities subject to NPDES industrial permitting comply with those permit requirements,provide routine pollution prevention training to staff, erform routine inspections,and establish specific frequencies,schedules,and documentation. BMP A B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.45 NPDES Industrial Permit Compliance Ensure that NPDES industrial permit 1.Review municipal 1.Permit year 1 1.Number of facilities compliance occurs at all applicable facilities inventory to determined to require a municipally owned sites. determine which NPDES Industrial Permit facilities may require a NPDES permit 2.Permitting of 2.Permit year 1, 2.Report number of new municipally owned following review of permits received or facilities;apply for new facilities,and renewed as well as the permits and confirm that continuously thereafter total number of active all existing permits are permits valid.Renew permits as required 3.Develop a municipal 3.Permit year 1 3.Yes/no/status industrial facility inspection form 4.Perform facility 4.Annually,after 4.Number of inspections inspections for NPDES permits are performed compliance with permit acquired 5.Establish NPDES 5.Permit year 1 5.Yes/no/status Industrial Permit tracking mechanism to document list of municipally owned facilities with permit, permit expiration dates, and inspections #.46 Vehicle and Equipment Cleaning and Maintenance Facility Inspection Routine inspections as part of a 1.Develop an inspection 1.Permit year 2 1.Yes/no/status general facility inspections(See BMP checklist No. 36)to ensure that vehicle and 2. Perform inspections 2.Quarterly,beginning 2.Number of inspections equipment facilities are following using inspection in permit year 3 proper procedures to minimize water checklist and notify quality impacts from vehicle and facility manager of any equipment cleaning and maintenance. corrective actions 3.Perform re-inspections 3.As required by 3.Number of facilities of any facility that corrective actions issued requiring corrective require corrective action action,number of resolutions DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 43 Table 21: Pollution Prevention and Good Housekeeping BMPs 4.47 Staff Training Provide general stormwater 1. See BMP No.40 1. See BMP No.40 1. See BMP No.40 awareness training and pollution prevention training to employees working in vehicle maintenance and cleaning areas(See BMP No.42:1. Permit 3.7.7: Pavement Management Program Ref. Measures to reduce pollutants in stormwater runoff from municipally-owned streets,roads,and parking lots within the permittee's corporate limits. The permittee shall implement measures to control litter,leaves,debris,particulate and fluid pollutants associated with vehicles,and establish s ecific fre uencies,schedules, and documentation. `� BMP Y B C D No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting Implementation Metric #.48 Street Sweeping Street sweeping following a regular 1.Maintain/update 1.Permit year 1 1.Yes/no/status schedule in order to reduce pollutants current contract for from Town owned and maintained monthly street sweeping streets. services to include SOP and documentation -requirements 2.Implement contract 2.Annually,beginning in 2.Total number of street requirements and permit year 2 miles swept documentation #.49 Leaf Collection Periodic collection of leaves and yard 1.Develop a SOP, 1.Permit year 1 1.Yes/no/status waste from residential and public including a schedule and areas to reduce pollutants and plan to document clogging of storm system inlets. 2. Implement SOP and 2.Regularly,beginning 2.Volume of material documentation in pennit year 2 collected tons #.50 Vehicle Spill Cleanup An organized vehicle spill cleanup 1.Maintain spill 1. See BMP No.39 1. See BMP No. 39 response to prevent pollutants from response procedures(See vehicular accidents from entering the BMP No. 39 storm drain system. 2.Provide public 2. See BMP No.6.4 2. See BMP No. 6.4 education about stopping vehicle leaks(See BMP No. 6.4 DRAFT NCS000460 SWMP Town of Knightdale 10/23/2023 Page 44