Loading...
HomeMy WebLinkAboutNCS000247_Draft SWMP_20221209City of Winston-Salem Field Operations Department Stormwater &Erosion Control Divisions Permit Number: NCS000247 STORMWATER MANAGEMENT PLAN Permit Year 2022-2023 v ip r i s i i) i i-.s4- i Ir i i SlormT%NT 1h, I I, si I I I I December 2022 Table of Contents SECTION 1: Stormwater Management Program Overview...........................................3 SECTION 2: Storm Sewer System Information..........................................................6 SECTION 3: Receiving Streams...........................................................................8 SECTION 4: Existing Water Quality Programs.........................................................10 SECTION 5: Permitting Information..................................................................................11 SECTION 6: Co -Permitting Information.................................................................13 SECTION 7: Reliance on other Governmental Entities .................................................... 13 SECTION 8: Public Education and Outreach............................................................13 SECTION 9: Public Involvement and Participation....................................................17 SECTION 10: Illicit Discharge Detection and Elimination.............................................21 SECTION 11: Construction Site Runoff Controls....................................................... 26 SECTION 12: Post -Construction Site Runoff Controls..................................................31 SECTION 13: Pollution Prevention and Good Housekeeping for Municipal Operations..........38 SECTION 14: Monitor and Evaluate Stormwater Discharges to Municipal Systems...............45 SECTION 15: Water Quality Assessment and Monitoring..............................................48 SECTION 16: Total Maximum Daily Loads..............................................................51 Appendix A - Organizational Chart of Staff Responsible for MS4 NPDES Permit Compliance 1. STORMWATER MANAGEMENT PROGRAM PRELUDE This Stormwater Management Plan (SWMP) serves as a legal binding, guiding document for the City of Winston-Salem's Stormwater Division to maintain permit compliance of divisional operations. By evaluating the prior year's Stormwater Annual Report (SAR), in conjunction with a programmatic gap analysis, Stormwater staff will create and/or maintain measurable goals to enhance anticipated water quality improvements. The SWMP will be modified by the Assistant Stormwater Director or Stormwater Operations Analyst on an annual basis. The Stormwater Division has decided to update this SWMP during the month of October to coincide with the beginning of the new permit year. Once this document has been approved by the City of Winston Salem's Field Operations Director, the Plan will be submitted to the North Carolina Department of Environmental Quality (NCDEQ) for final approval. After approval has been issued by NCDEQ to the Stormwater Division, the action items of this Plan will be implemented by the responsible Stormwater staff member. MISSION STATEMENT The mission of Stormwater Management is to restore, protect, and preserve the surface waters within the City of Winston-Salem and to maintain, repair, map, and evaluate drainage systems within the street right-of-ways. PROGRAM DESCRIPTIONS Stormwater Monitoring and Administration: Manages the day-to-day operations of the Stormwater Management Program. Implements the requirements of the City's Municipal Separate Storm Sewer System (MS4) permit. Performs watershed master planning by developing maps and inventories of the entire drainage system within the City. Monitors stormwater run-off as part of the program's efforts to improve water quality. Provides educational programming to increase public awareness of water quality issues. Drainage Maintenance: Repairs, replaces, and upgrades the City's drainage system within street right-of-ways. Provides for drainage system repairs on private property through the 70/30 program in which the City covers 70% of the cost for qualified projects. Removes debris from culverts and bridge abutments with many streams and creeks. Erosion Control: Provides for the enforcement of regulations pertaining to land -disturbing activity, watershed, and floodplain requirements by reviewing development plans and issuing grading permits for all commercial and multi -family sites over 10,000 square feet in all areas of Forsyth County, excluding Kernersville. Monitors single family construction sites to ensure that sediment is controlled. Identifies tree save and potential critical areas, controls sedimentation, and limits the time of exposure on all applicable construction sites through plan review and field inspection. Maintains up-to-date floodway district maps to enforce floodway and floodway fringe regulations contained in the Unified Development Ordinance. Reviews survey and plan information and conducts field inspections to ensure that permitted structures comply with floodplain regulations. Enforces watershed regulations for density and impervious coverage on developed properties. Street Sweeping: Regenerative street sweepers are used year -around to remove litter, debris, and sediment from roads. Sweeping protects water quality by preventing materials from entering the storm drains. All debris swept is disposed of in the sanitary landfill. EXPENDITURES and REVENUES SUMMARY EXPENDITURES BY PROGRAM Actual Budget Adopted Percent Monitoring and Administration FY 20-21 FY 21-22 FY 22-23 Change Administration $3,146,285 $3,623,550 $3,700,580 2.1% Water Quality Monitoring 777,780 1,439,880 1,445,690 0.4% Support for Seasonal Leaf Collection 1,794,141 1,914,970 2,343,430 22.4% Subtotal $5,718,206 $6,978,400 $7,489,700 7.3% -0.3% Drainage Maintenance $2,432,905 $3,340,960 $3,330,040 Erosion Control 390,882 386,680 414,280 7.1% Street Sweeping 298,261 402,250 270,330 -32.8% Total Expenditures by Program $8,840,254 $11,108,290 $11,504,350 3.6% RESOURCES BY TYPE Actual Budget Adopted Percent Stormwater Fees: FY 20-21 FY 21-22 FY 22-23 Change Residential $4,338,755 $4,250,000 $4,250,000 0% Non -Residential 6,383,720 5,950,000 5,950,000 0% Replacement Fee 45,762 40,810 50,000 22.5% Miscellaneous Revenues 10,120 3,000 3,000 0% Contributions 12,910 0 15,000 100.0% Interest Income 3,785,594 0 0 N/A Interfund Charges 54,885 0 0 N/A Forsyth County 16,323 115,720 170,600 47.4% Erosion Control Revenues 260,230 173,430 173,600 0.1% Fund Balance Appropriation 0 575,330 892,150 55.0% Total Resources by Type $14,908,299 $11,108,290 $11,504,350 3.6% Addition to Fund Balance $6,068,045 $0 $0 N/A POSITION SUMMARY Amended Amended POSITIONS FY 20-21 FY 21-22 Full -Time 56 56 Adopted FY 22-23 56 Change 0 PERFORMANCE MEASURES AND SERVICE TRENDS Actual FY Estimated Projected Effectiveness Respond to 100% of illicit discharge complaints by citizens within 24 100% 100% 100% ours Complete 100% of compliance schedules for water quality resolutions 100% 100% 100% within 30 days Complete 100% of plan reviews within 10 days of receipt 100% 100% 100% Provide 30 federally required educational programs a year 50 0* 50 Ensure 100% of stormwater devices are built in accordance with 100% 100% 100% approved plans Complete 90% of erosion control initial reviews within 10 days for 100% 100% 100% development projects Keep 80% of active development sites in compliance (when inspected) 100% 100% 100% Long Range Financial Outlook - The following chart provides a projection of the Stormwater Management fund balance. This outlook includes certain capital project expenditures, assuming all future projects are pay-as-you-go, but only includes capital project funding levels within the current debt coverage model. Staff will provide an update on Stormwater long-term funding needs and review potential rate increase models in FY 2022-23. $35.0 $30.0 $25.0 $20.0 $15.0 $10.0 $25.2 FY 19-20 Actual 5tormwater Management Fund Balance $28.7 $28.4 FY 20-21 FY 21-22 FY 22-23 Actual Estimated Projected $22.7 $22.5 FY 23-24 IFY 24-25 Projected Projected BUDGET HIGHLIGHTS FY 2021 - 2022 Year -End Outlook - Lease payments have been added for the replacement of one hydraulic excavator ($54,600), one flatbed truck ($18,720), and one crew cab truck ($9,000) for Drainage. Payments have also been added for one Quickview camera ($4,340) and one crew cab truck ($9,000) for Water Quality Monitoring, as well as one crew cab truck ($9,000) for Erosion Control. - The Support for Seasonal Leaf Collection increased 22.4% due to vehicle replacement lease payments in the Curbside Collection Division of the City's Sanitation Department. This is a transfer from the Stormwater Fund to the General Fund and helps support the City's annual leaf collection program. FY 2021-2022 Year End Outlook - The following table provides estimated year-end revenues and expenditures for Stormwater Management operations. Capital project revenues and expenditures are not included. Budgeted Estimated FY 21-22 FY 21-22 Operating Revenues $11,108,290 $11,390,605 Operating Expenditures (11,108,290) (9,425,064) Operating Income $0 $1,965,541 Debt and Lease Expense (1,313,208) (1,564,994) Transfer to General Fund (1,924,170) (1,852,965) Transfer to Solid Waste (185,980) (160,096) Transfer to Water/Sewer (120,720) (123,738) Net Income/ (Loss) ($575.330) (�1.736.2521 2. STORM SEWER SYSTEM INFORMATION 2.1 Population Served: Winston-Salem is in the northwestern area of the Piedmont Region of North Carolina. Situated in Forsyth County, Winston-Salem is the fifth largest city in North Carolina and has an estimated population of 250,320 citizens (based on data from the U.S. Census Bureau, as of July 1, 2021). 2.2 Growth Rate: The City of Winston-Salem increased its population size by 0.4 percent from April 1, 2020, to July 1, 2021, while the State of North Carolina grew at the rate of 1.1 percent during the same period. 2.3 Jurisdictional and MS4 Service Areas: The City of Winston-Salem does not have any ETJ areas, currently. The square mile area for the City is 132.45. 2.3a Latitude of Center of MS4 Area: 36 degrees 06' 9.95" N Longitude of Center of MS4 Area: 80 degrees 15' 37.77" W 2.3b Storm Sewer Service Area (square miles): 132.45 2.4 Municipal Separate Storm Sewer System (MS4): The City of Winston-Salem is authorized to discharge stormwater from its municipal separate storm sewer system (MS4) into the waters of the State of North Carolina. A National Pollutant Discharge Elimination System (NPDES) permit is the legal mechanism that allows the City of Winston-Salem to discharge stormwater runoff into streams. All six minimum measures, which govern the City of Winston-Salem's Stormwater Program, are contained within this permit. The City of Winston-Salem is delineated into 17 different sub -watersheds that drain the City and its surrounding area. The streams, within these sub -watersheds, flow in a southwesterly direction into Lower Muddy Creek; the original fifteen watersheds had stormwater masterplans developed for staff by a consultant. Current objectives of masterplan efforts include providing a comprehensive update of the existing storm sewer inventory (contained within public, private, and industrial properties), identify existing and future areas of flooding based on existing and future development patterns, and assess the impacts of stormwater discharges on the quality of Winston-Salem's streams. Information obtained from those plans show that Winston-Salem has approximately 538 miles of stormwater conveyance piping and 39,818 infrastructure devices, which includes catch basins and manholes. Based on the city's current GIS layer, there are approximately 547 miles of perennial and intermittent streams within the municipal boundaries of Winston-Salem. 2.4a MS4 maintenance activities: Cave-in reports are responded to within 24 hours of first knowledge of occurrence with simple repairs being completed within 72 hours. Maintenance activities include the following services of catch basin inspection and cleaning, pipe repair, replacement and upgrade projects, ditching (performed by hired contractors or in-house crews), and street sweeping activities are performed by in-house services. 7 2.5 Land Use Composition Estimates: The land use estimates below are from the City of Winston-Salem Planning Department (source: The Legacy, 2030, Table 4-1) Land Use Classification Residential 43.14 % Commercial 2.81 % Industrial 3.32 % Parks/Open Space 2.09 % Institutional 2.94 % Right -of -Way 8.15 % Office/Office Commercial 0.46 % Agricultural 15.71 % Vacant 20.97% Utility 0.41 % TOTAL 100.0% 2.6 Estimate Methodology: Classifications are based on zoning districts with the corresponding acreage versus the total acreage of the City of Winston-Salem. For this assessment, schools have been calculated as institutional purposes and parks are listed separately (typically included in the residential classification). 2.7 TMDL Identification: The North Carolina Department of Environmental Quality (NCDEQ) has detected standard violations of turbidity and chlorophyll a at High Rock Lake, which is 25 miles south of Winston-Salem. A TMDL is currently being developed for wastewater point sources within the High Rock Lake Watershed, which indirectly receives stormwater discharges from the City's MS4. The main contributing river to High Rock Lake is the Yadkin River, in which Muddy Creek discharges into near the Forsyth -Davidson County border. NCDEQ determined that the Salem Creek Watershed is biologically impaired due to excessive fecal coliform concentrations. As a result, the Stormwater Division continues to perform water sampling to determine pollutant origin sources of fecal coliform loading into Salem Creek. The City of Winston-Salem revised its TMDL Sampling Plan in 2019, which resulted in 22 water sampling sites being selected throughout Salem, Peters, and Brushy Fork Watersheds. Stormwater staff will perform basic statistical analyses of collected water quality samples; once a sufficient population of data points exists to discern an observable trend, staff will report its findings to NCDEQ. In November 2011, NCDEQ issued a final report for turbidity impairment of the Muddy Creek Watershed. The Muddy Creek TMDL designates the City of Winston-Salem's MS4 as a significant contributor of turbidity (i.e., total suspended solids) pollution. A waste load allocation (WLA) was not assigned to the City's NPDES permit; however, total suspended solids loading (ton per a day) must be reduced by 58 percent. In accordance with its NPDES permit, the city must evaluate strategies and adapt BMPs to reduce TSS loading within the Muddy Creek Watershed. 3. RECEIVING STREAMS Major River Basin: Yadkin Pee -Dee Name and Identification Number of the Primary Receiving Streams and Impoundments: The following inventory receives stormwater runoff from the MS4 jurisdictional area. All streams and impoundments are located within the Yadkin -Pee Dee River Basin. Use Classifications: WS-III: Water Supply Watershed C: Aquatic Life Propagation and Biological Integrity and Secondary Recreation Purposes I: Impaired S: Supporting Table 3.1 Yadkin -Pee Dee River Basin Receiving Stream Stream Segment Water Quality Use Support Rating Water Quality Issues Name Classification Clinard Lake 12-94-7-7 C S Crystal Lake 12-94-7-6 C S Dalton Pond 12-94-7-1-1 C S Five Mile Branch 12-94-7-1 C S Grassy Creek 12-94-7-3 C S Jones Pond 12-94-7-1-2 C S Leak Fork 12-94-7-4 C S Little Creek 12-94-11 C S Mill Creek 12-94-7 C S Monarcas Creek 12-94-7-5 C S Muddy Creek 12-94-(0.5) C I 58 percent TSS reduction through minimum measures Ogburn Branch 12-94-7-2 C S Pineview Lake 12-94-7-1-3 C S 9 Brushy Fork 12-94-12-6 C S A major tributary to Salem Creek. Brushy Fork Branch 12-94-12-6- 1-1 C S Burke Creek 12-94-12-9 C S Fiddlers Creek 12-94-13-3 C S Fishers Branch 12-94-12-2- 2-(2) WS-II1;C S Frazier Creek 12-94-12-6- 1 C S Hines Lake 12-94-13-2- 1 C S Kerners Mill Creek 12-94-12-2- (0.3) WS-III S Kerners Mill Creek 12-94-12-2- (1.5) WS-III; C S Leak Creek 12-94-13-7 C S Lowery Mill Creek 12-94-12-3- (2) WS-II1;C S Mallard Lake 12-91-1 WS-Iv S Myers Pond 12-94-12-5 C S Perryman Branch 12-94-13-5 C S Peters Creek 12-94-12-8 C S A major tributary to Salem Creek. Salem Creek 12-94-12-(1) WS-II1;C S Salem Creek 12-94-12-(4) C I TMDL approved for fecal coliform reduction. Sawmill Branch 12-94-13-2 C S Sides Branch 12-94-13-6 C S Soakas Creek 12-94-13-4 C S South Fork Muddy Creek 12-94-13 C S Tar Branch 12-94-12-7 C S 10 4. EXISTING WATER QUALITY PROGRAMS Local Programs Water Supply Watershed Protection — The Salem Lake Watershed Protection Ordinance is in place to provide regulations, which protect drinking water quality in the Salem Lake Watershed. These regulations meet or exceed the minimum regulations established by the North Carolina Environmental Management Commission under the provisions of the Water Supply Watershed Protection Act of 1989. Floodway and Floodway Fringe Regulations — Winston-Salem has adopted floodway and floodway fringe regulations to control alteration of natural drainage patterns, control development and to ensure stream velocities are not significantly increased. Erosion and Sediment Control — The City of Winston-Salem and Forsyth County is a locally - delegated program that enforces the North Carolina Sedimentation Pollution Control Act of 1973. The Erosion Control Ordinance regulates certain land disturbing activities to control accelerated erosion and sedimentation to prevent the pollution of water and other damage to lakes and watercourses. NPDES MS4 Phase I Permit — The City was issued a new stormwater permit that became effective October 10, 2018. Program components include public education and outreach, public involvement and participation, illicit discharge detection and elimination, construction site runoff controls, post - construction site runoff controls, and pollution prevention and good housekeeping for municipal operations. Code Enforcement Section of the Neighborhood Services Division — Enforcement of the sanitation code relating to weeded lots, shrubbery, solid waste in yards and curbside trash. It also includes vector control in the storm drainage system, sanitary sewers (manholes), and along creek beds. Other programs that support water quality within the City of Winston-Salem: 1. Emergency Spill Response by Winston-Salem/Forsyth County Emergency Management Division 2. 3RC, a Household Hazardous Material Disposal Facility 3. Forsyth County Department of Health for failing septic tank systems 4. Forsyth Creek Week by City of Winston-Salem Stormwater/Erosion Control Division 5. Adopt -a -Street by Keep Winston-Salem Beautiful 6. Big Sweep of local streams by Stormwater/Erosion Control Division and Keep Winston-Salem Beautiful 7. Recycle Today, the City of Winston Salem's household recycling program 8. Vegetative material composting by the City's Sanitation Division State Programs Stormwater NPDES Permit Compliance — Stormwater staff collaborates with DEQ, WSRO regarding industrial inspections, illicit discharges, and releases (if needed), water quality issues, and erosion control complaints for public projects. II 5. PERMITTING INFORMATION 5.1 Responsible Party Contact List Contact Information Plan Component Delegated Responsibilities Aaron King Assistant City Manager Overall 336-747-7068 Administration Delegated Signing Official for NPDES correspondence. 336-748-3060 (fax) aaronk@cityofvvs.org Keith Huff Field Operations Director Administration of * Overall implementation of Phase I permit and Council- 336-747-6962 Phase I Program mandated program components 336-747-6917 (fax) Components * Supervises MS4 maintenance activities keithhl@cityofws.org Andy Allen * Supervises Erosion Control Section Assistant Stormwater Creation and * Supervises Stormwater Field Operations Director Implementation of * Stormwater Management Plan and Annual Report 336-747-6968 Water Quality Phase 336-747-6917 (fax) I Permit Programs creation NPDES Program Evaluation Analyst andrewa@cityofws.org Nancy `Andy' Szabat * Website design and maintenance Senior Community Educator Public Education & Distribute educational information 336-747-6960 Outreach * Development of brochures, flyers 336-747-6917 (fax) * Presentations hannam@cityofws.org Public Involvement * Participate in community events & Participation Adopt -a -stream Joe Fogarty Stormwater Engineer Post -Construction * Post -construction SCM Plan Reviews 336-747-6961 Stormwater Site * Annual Stormwater BMP inspections 336-747-6917 (fax) Runoff Controls j osephf@cityofws. org Vacant Preservation of Stormwater Operations Surface Waters & * Responsible for the coordination and implementation of Analyst Capital Improvement stormwater and environmental assessment projects Projects Todd Love * Responsible for the oversight of all right-of-way Sr. Civil Engineer Capital Improvement drainage improvement projects within the City's 336-734-1318 Projects for the MS4 boundaries 336-747-6917 (fax) Stormwater CIP Creation & Implementation of water toddml@cityofws.org quality and infrastructure projects Neil Uldrick * Responds to citizens' drainage complaints and Civil Engineer facilitates 70/30 cost share projects on private property 336-747-6919 MS4 Drainage & Designs and implements engineered solutions for 336-747-6917 (fax) Infrastructure private property drainage projects neilu@cityofws.org * CCTV inspection and assessment services of private property drainage systems 12 Vacant Pollution Prevention * Pollution prevention inspections for municipal and Stormwater Inspector for Municipal permitted industrial facilities 336-747-6965 Goodhousekeeping *SPPP creation and implementation for municipal 336-747-6917 (fax) & Industrial operations and facilities brandonw@cityofws.org Inspection Programs * IDDE complaint investigations Water quality stream sampling IDDE WQ Assessment and * IDDE Investigative and Compliance Supervisor Ladonta `Jamal' Clark Monitoring Plan * Stream-walking/Dry Weather Screening Stormwater Operations Municipal * WQI/SSO Field Parameter screening Supervisor Goodhousekeeping TMDL Implementation Plan 336-747-6964 * Supervises Stormwater Technicians 336-747-6917 (fax) Industrial Inspection * Supervises Stormwater Inspector ladontac@cityofws.org Program * Impervious surface area investigations * Stormwater GIS Coordinator TMDL Im lementation Plan Matthew Osborne * Regulate certain land disturbing activities pursuant to Erosion Control/Floodplain the North Carolina Sedimentation Pollution Control Act Program Manager Construction Site of 1973. 336-747-7453 Stormwater Runoff Floodplain Management and Ordinance Enforcement 336-727-2792 (fax) Control *Water Supply Watershed Protection Ordinance matthewo@cityofws.org * FEMA mitigation projects for flood -prone structures Supervisors the Erosion Control Inspectors Michael Doub Deputy Director * Inspection and maintenance activities of the MS4 right - City Yard, Field Operations MS4 Maintenance of -way conveyance system 336-734-1550 * CCTV inspection and assessment services of the MS4 336-727-8169 (fax) right-of-way conveyance system lancec@cityofws.org Stevie Dulin Sanitation Director Street Sweeping * Removal of leaf matter and debris from curb and gutter 336-747-7308 system 336-7273 (fax) Seasonal Leaf * Administers street sweeping operations of public streets steved@cityofws.org Collection and roads 5.2 ORGANIZATIONAL CHART The Stormwater Division's organizational chart is enclosed within Appendix A. 5.3 SIGNING OFFICIAL The Winston-Salem City Council has authorized Mr. Aaron King, Assistant City Manager, as the signing official and appropriate person to sign the permit application. 5.4 DULY AUTHORIZED REPRESENTATIVE The permit application responsibility is not being delegated to another individual and/or position than the signing official. 13 6. CO -PERMITTING INFORMATION Not applicable to the City of Winston-Salem. The City of Winston-Salem will not be co -permitting with any other Phase I community. 7. RELIANCE ON OTHER GOVERNMENT ENTITY The City of Winston-Salem will not rely on another government entity for permit compliance. However, the City of Winston-Salem will pursue the collective sharing of resources and knowledge with other Phase II communities, as the need arises. 8. PUBLIC EDUCATION and OUTREACH Obiectives• 1. Distribute educational materials to the community. 2. Conduct public outreach activities. 3. Raise public awareness on the causes and impacts of stormwater pollution. 4. Inform the public on steps they can take to reduce or prevent stormwater pollution. The following BMP tables represent a combination of on -going activities, as well as some innovative pilot projects designed to achieve NPDES compliance. The Stormwater Public Education and Outreach program has been in existence for several years and designed to inform citizens, business owners, civic groups, and organizations about how they can make a difference to reduce stormwater pollution. 8.1. BMP Summary Table PY PY PY PY PY RESPONSIBLE BMP Measurable Goals 18-19 19-20 20-21 21-22 22-23 POSITION/PARTY Use key resources to Describe evaluate and/or target confirm target pollutants pollutants. Based on Senior Community a and target results, the Senior x x x x x Educator pollutant Community Educator sources will adjust targeted pollutants accordingly. Based on targeted pollutants, the Senior Describe Community Educator Senior Community b target will exercise her best x x x x x Educator audiences professional judgment to select pertinent audiences. 14 On a quarterly basis, Senior Community the Senior Community Educator Informational Educator will review c Website and update the x x x x x Stormwater Division's Marketing and webpage, if needed. Communication Section Distribute Public educational Public materials will be Education evaluated for content d Materials to appropriateness and if x x x x x Senior Community Identified needed, create new Educator User Groups material for distribution. Maintain a Stormwater Promote and Hotline for the public CityLink Maintain a to report illicit activity e Stormwater and obtain information x x x x x Senior Community Hotline on volunteer Educator o ortunities. Implement a Maintain an effective Public Public Education and Senior Community f Education Outreach Program that x x x x x Educator and Outreach is compliant with Program NPDES requirements. Best Management Practices (BMPs) for Public Education and Outreach 8.1(a) Describe Target Pollutants, Sources, and Audiences: The Stormwater Division uses three resources in order to identify and target pollutants of concern within local waterways of Winston-Salem: regulatory requirements, fixed interval stream sampling, and historical illicit discharge detection and elimination reports. Regulatory requirements are derived from Total Maximum Daily Loads (TMDL) that the City of Winston Salem must reduce waste load allocations to Muddy and Salem Creeks (currently, the High Rock Lake TMDL is pending). For the Muddy Creek TMDL, the pollutant of concern is turbidity (i.e., TSS). Most probable sources of turbidity (TSS) loading include construction sites, in -stream channel erosion, and industrial sites. Fecal coliform is the pollutant of concern from Salem Creek Watershed. Bacterial source tracking (BST) confirmed that sanitary sewer overflows, pet waste, and wildlife populations contribute to fecal coliform pollution. Once the High Rock Lake TMDL is approved, nutrients will be target pollutants of concern. Fecal coliform and turbidity pollution degrades biotic integrity, thus impairing the reproduction cycle of aquatic life within streams. The Stormwater Division performs quarterly, fixed interval sampling to determine pollutant exceedances (when compared to Water Quality Redbook Standards) within streams. Since samples are collected during various weather conditions (e.g., dry, first flush, descending portion of a hydrograph, etc.), an accurate assessment of target pollutants has been established. Since 2011, the Stormwater Division has observed City-wide trending sample data that consistently shows evaluated concentrations of numerous pollutants. These pollutants of concern consist of turbidity (i.e., TSS), fecal coliform, and nutrients (i.e., total nitrogen, total Kjeldahl nitrogen, total phosphorus, and dissolved phosphorus). Probable sources of nutrient exportation include 15 excessive residential and commercial fertilizer applications, sanitary sewer overflows, atmospheric deposition on impervious surfaces, industrial facilities, and commercial car -washing activities. Nutrient loading depletes available dissolved oxygen concentrations for aquatic life due to excessive algal blooms, thus affecting water resources. Scientific research has proven that floatables and debris transport nutrients within our waterways. Floatables and debris can also serve as surrogates for other pollutants due to being more visible and tangible to the public. Historical illicit discharge detection and elimination (IDDE) reports indicate that hydrocarbon oil and grease is the most frequently released pollutant of concern within the City of Winston- Salem. Automobile repair businesses, car salvage facilities, nonpoint oil spills/leaks on public streets, industrial entities, and commercial car -washing operations are sources of oil and grease pollution. Oil and grease float on the stream surface and obstruct sunlight, which is needed by aquatic fauna and flora. In addition, hydrocarbon oil and grease damage riverine habitat and sensitive spawning areas due soil adsorption. Since contaminated soil particles settle at the bottom of spawning beds, fish cannot reproduce and eventually, vanish from the stream. The Stormwater Division has identified numerous audiences for public outreach and education activities due to their potential risk of releasing targeted pollutants. Residents use lawn care products, dispose of household hazardous waste, own pets, and perform routine maintenance on their cars. Materials have been developed targeting residents to educate them about lawn care, household hazardous waste disposal, pet waste, and automotive maintenance. Programs or workshops, such as Carolina Yards & Neighborhoods, address fertilizer and pesticide usage and pet waste. Other materials have been developed to address automotive maintenance for businesses and stormwater volunteer opportunities. The Hispanic population is a growing segment within the city of Winston-Salem. General stormwater pollution information has been developed for this demographic as well as translations of current outreach materials in order to reach the Hispanic community in Winston-Salem. School -age children participate in Creek Crawls, an in -stream learning -experience concerning water quality issues and the difference between healthy and impaired streams. The overall goal from extensive school -age children education is to influence adult behavior, thus eliminating pollution -enhancing practices. A Stormwater Inspector performs industrial inspections and assessments on prioritized, permitted facilities; these inspections concentrate on pollution prevention and good housekeeping measures, which curtail exposure of pollutants to rainwater. Erosion Control staff performs face- to-face informal meetings to discuss and implement corrective measures for containing sediment on -site. The Stormwater Division will work in collaborative efforts with Winston-Salem/Forsyth County Utilities to reduce sanitary sewer overflows and leaks. 8.1(c) Informational Web Site: The Stormwater Division operates and maintains an informative website, hgps://www.cityofws.org/Stormwater, to achieve a heightened awareness of stormwater-related issues and/or events. Information is reviewed and updated as needed every three months or upon a significant event or issue. The Community Educator promotes the website at presentations, media releases, or posting the web address on distributed public educational materials. Topics for web postings range from pollutant `factoids' to public involvement opportunities. The Stormwater and Erosion Control Divisions have publicized its contact information and the Stormwater Hotline/Helpline (CityLink) on the City of Winston- Salem's main webpage. Once on the City's homepage, a citizen can locate staff member's name, e-mail address, and telephone number within four clicks of a computer mouse. The contact information for CityLink is located at the bottom of every city webpage and at the top of the Stormwater and Erosion Control Divisions' webpages. 16 8.1(d) Distribute Public Education Materials to Identified User Groups: The City of Winston Salem distributes public educational materials that directly relates to specific, targeted audiences. The City creates communicative information for ranked pollutants of concern, such as floatables, fecal coliforms, oil and grease, sediment (i.e., total suspended solids), and nutrients. Educational materials (and opportunities) include brochures (paper and electronic), presentations, TV advertisements, social media posts, workshops, community events, and targeted mailings. The city of Winston-Salem performs mass media outreach activities throughout the local area works in conjunction with the Piedmont Triad Regional Council (via Stormwater SMART). Stormwater SMART develops TV and radio public service announcements, social media posts, digital advertisements, and brochures (paper and electronic) to supplement the City's own education and outreach efforts. To ensure the maximum educational effectiveness, the City correlates the informative technique to the targeted audience. For example, best management practices brochures are written in Spanish for Hispanic automobile repair shops. 8.1(e) Promote and Maintain a Stormwater Hotline/Helpline: In 2005, City Council commissioned the creation and implementation of a centralized telephone call center/web-based complaint hotline for the citizens of the City of Winston-Salem. Known to the public as CityLink, this communication center receives citizen -generated e-mails or telephone calls regarding stormwater-related items illicit within the City. The public can access CityLink from the city of Winston-Salem's homepage of https://www.cityofws.org/; the CityLink button appears at the top portion of the City's homepage and the CityLink contact information appears at the bottom of all City webpages. On the Stormwater Division's homepage on the city website, the CityLink contact information is provided at the top of the page. The Senior Community Educator receives electronic notifications for presentation requests from CityLink or directly from website requests. Illicit discharges are received through the Stormwater Pollution Hotline (336-747-7480), which is operated by CityLink. CityLink refers all illicit discharge complaints to Stormwater staff, who will investigate these reports within 24 hours. 8.1(f) Implement a Public Education and Outreach Program: The Senior Community Educator records the reach and extend of all educational outreach activities during the active permit year. As a component of the annual program assessment, the Senior Community Educator evaluates each educational approach that was used to reach targeted audiences. If needed, educational techniques or methodologies are modified for maximizing the greatest reach for the upcoming permit year. 8.7 Public Education and Outreach Annual Reporting Task Items for PY 2022-2023: 1. The Senior Community Educator will provide a summary of all completed educational and outreach activities (with corresponding workload data or outcomes) that bolster permit compliance to DEQ. 2. Based on IDDE report data, Stormwater staff determined that the pollutants of concern (POCs) for citizens are fecal coliforms (blocked sewer lines, failed septic tanks, and illegal sewer connections), offsite sedimentation, and yard waste/woody debris. For commercial users, the top two POCs are car -washing wastewater and fats, oil, and grease (FOG). The Senior Community Educator will create and/or distribute educational materials to identified, targeted audiences. 3. Erosion Control's and Stormwater's webpages will be updated with POC information for targeted audiences. For this permit year, construction site runoff, TMDL, and water quality 17 sampling sections will be overhauled to reflect programmatic requirements as well as important, interesting information to increase browsing traffic to the City's website. 4. The Senior Community Educator will report the total number of stormwater-related calls through CityLink. In addition, social media requests will be tabulated and reported to forecast the most effective means of reaching citizens within the community. A summary of results will be reported to DEQ. 5. The Senior Community Educator will report the total number of new city employees trained and received the Stormwater Division's educational booklet during orientation to DEQ. 7. As a component of annual reporting, the Senior Community Educator will complete a programmatic evaluation for exploring new/modified methods or means of maintaining or enhancing public education, outreach activities, with the corresponding targeted audience. All proposed, major programmatic changes will be reported to DEQ for approval, prior to implementation. 9. PUBLIC INVOLVEMENT and PARTICIPATION Obi ectives 1. Provide opportunities for the public, including major economic and ethnic groups, to participate in program development and implementation. The permittee shall implement the following BMPs to meet the objectives of the Public Involvement and Participation Program: 9.1 BMP Summary Table PY PY PY PY PY RESPONSIBLE BMP Measurable Goals 18-19 19-20 20-21 21-22 22-23 POSITION/PARTY Volunteer The Stormwater Division will Community provide, sponsor, support Senior Community a Involvement various volunteer opportunities, x x x x x Educator Program and citizen participation programs. Citizens are encouraged to Establish a participate during the public Field Operations Director Mechanism for comment period of bimonthly b Public Public Works Committee or x x x x x Involvement City Council Meetings to Senior Community provide input on stormwater- Educator related issues. Maintain a Stormwater Hotline City Link Establish for the public to report illicit c Hotline(s) or activity and obtain information x x x x x Helpline(s) on volunteer opportunities Senior Community Educator 18 City Council solicits public Citizens input from the community Public Review regarding stormwater-related Field Operations Director d and Comment issues. This information x x x x x exchange promotes Senior Community transparency and accountability Educator to the public. Compliance with 40 CFR City Secretary's Office 122.34 is achieved by working Marketing and with the City Secretary's Communication Office, Marketing and Department e Public Notice Communications, and x x x x x Community Assistance Community and Specialists for scheduling, Neighborhood Assistance advertising, and posting public meetings. 9.1(a) Volunteer Community Involvement Program: The City of Winston-Salem has implemented the following programs to various degrees in order to promote volunteer opportunities and ongoing citizen participation: • Creek Week is a week-long series of events geared to engage the public and support water quality awareness. Events usually include Creek Crawls, photo contest, guided paddles and nature walks, lunch and learn presentations, a community read and book discussion, professional development workshops, homeowner and resident workshops, special children and teen's programs at the public libraries, community clean-ups, water centered recreational activities, and other interactive programs. Creek Week occurred in March and organized by a committee of municipal, county, and non-profit organizations. • Creek Crawls are held with local school classes where the students visit a nearby creek to examine the water quality of the stream using water quality test kits and visual observations. Benthic macroinvertebrates are collected, examined, and discussed as to form an overall assessment of the water quality of the selected stream. Students are taught to collect water samples and to identify the macroinvertebrates collected based on provided keys as part of this `hands on' approach. • The Stormwater Division co -coordinates the Adopt -A -Stream program with Keep Winston-Salem Beautiful to reduce litter, debris, and floatables in our waterways. Homeowner associations, companies, special interest groups, families, or other interested parties can request to Adopt -A -Stream in their area of interest. Interested parties will commit to conducting three clean-ups per year and the City will provide signage and debris removal after each cleanup. Keep Winston-Salem Beautiful also coordinates Adopt -A -Street and Adopt -A -Park programs to reduce litter, debris, and floatables in our community. Big Sweep is conducted every year in October to remove trash and debris from local waterways. The Great American Clean -Up in Winston-Salem is conducted every year in April to remove trash and debris from local streets, parks, and waterways. The Stormwater Division coordinates the Storm Drain Marking program where volunteer groups place adhesive `No Dumping, Drains to Creek' markers or use a provided storm drain marking stencil and spray paint on catch basins and other drainage structures within the community. Volunteer groups also distribute door hangers that contain stormwater 19 education material informing citizens about fertilizer use, pet waste, and illegal dumping within targeted neighborhoods due to the number of reoccurring complaints. • The Stream Watch in Winston-Salem program encourages volunteers to visit local Winston-Salem waterways to make various visual observations about the habitat and water quality. Observations are shared through a GIS web app in cooperation with NC DEQ's Stream Watch program. Volunteers are provided with Winston-Salem specific stormwater and stream educational information to help guide them through their visual observations. Volunteers are encouraged to report any illicit discharges they observe while participating in Stream Watch activities in Winston-Salem. 9.1(b) Establish a Mechanism for Public Involvement: The City of Winston-Salem has three main mechanisms for public input on stormwater issues and input on the stormwater management program: City Council Committee meetings, Stormwater Appeals Board, and the City Link "suggestion and comment" service. The City Council has established committee level meetings that citizens are invited to attend to discuss any topic including stormwater management issues. The City Council committee that hears citizen input on stormwater management issues is the Public Works Committee. Public Works Committee meetings are advertised on the City's website and are held the second Tuesday of every month. The Stormwater Appeals Board has been created to hear appeals if an owner, developer, engineer, or other party disagrees with the decision of staff. City Link has instituted a citizen "suggestion and comment" service request that allows any citizen to suggest or comment, which relates to the Stormwater Management Program. These suggestions or comments are forwarded to the Department Head for review and action, if necessary. 9.1(c) Establish Hotline(s) or Helpline(s): In 2005, City Council commissioned the creation and implementation of a centralized telephone call center/web-based complaint hotline for the citizens of the City of Winston-Salem. Known to the public as CityLink, this communication center receives citizen -generated a -mails or telephone calls regarding stormwater-related items illicit within the City. The public can access CityLink from the city of Winston-Salem's homepage of https://www.cityofws.org/; the CityLink button appears at the top portion of the City's homepage and the CityLink contact information appears at the bottom of all City webpages. On the Stormwater Division's homepage on the city website, the CityLink contact information is provided at the top of the page. The Senior Community Educator receives electronic notifications for presentation requests from CityLink or directly from website requests. Illicit discharges are received through the Stormwater Pollution Hotline (336-747-7480), which is operated by CityLink. CityLink refers all illicit discharge complaints to the appropriate Stormwater staff members, who will investigate these reports within 24 hours (except on the weekends). 9.1(d) Public Review and Comment: Copies of the City's Stormwater Management Plan are available for public comment on its website located at https://www.cilyofws.org/Stormwater. 9.1(e) Public Notice: The City of Winston-Salem will comply with applicable public notice requirements when implementing a public involvement and participation program. Compliance with 40 CFR 122.34 is achieved by working with the City Secretary's Office, Marketing and Communications and the Community Assistance Specialist for scheduling, advertising, and posting public meetings. 20 9.2 Public Education and Outreach Annual Reporting Task Items for PY 2022-2023: 1. The Senior Community Educator will provide a summary of all completed educational, volunteer, and public participation activities (with corresponding workload data) that bolster permit compliance to DEQ. 2. Citizens attend monthly Public Works Committee Meetings to participate in the stakeholder process. The Public Works Committee invites citizens to participate in these discussions and agendas are posted on the City's website. In addition, the City Council has created Stormwater Appeals Board, which makes decisions of various ordinances. 3. The Senior Community Educator will report the total number of stormwater-related calls through CityLink to DEQ. 4. The Stormwater program website will be reviewed and updated with information for citizens. The dates of all webpage updates, with a summary of uploaded information, will be reported to DEQ. 5. The Senior Community Educator will publish major NPDES permit components on the Stormwater Division's webpage for soliciting public feedback. 6. As a component of modifying the stormwater management plan, the Senior Community Educator will complete a programmatic evaluation for exploring new/modified methods or means of maintaining or enhancing public education and outreach activities. All proposed, major programmatic changes will be reported to DEQ for approval, prior to implementation. 21 10. ILLICIT DISCHARGE and ELIMINATION Obiectives: 1. Detect and eliminate illicit discharges, including preventable spills and illegal dumping into the municipal separate storm sewer system (MS4). 2. Implement appropriate enforcement procedures and actions. 3. Maintain a map showing the permittee's major MS4 outfalls to state waters receiving discharges. 4. Inform employees, businesses, and public of hazards associated with illegal discharges and improper disposal of waste. 10.1 BMP Summary Table PY PY PY PY PY RESPONSIBLE BMP Measurable Goals 18-19 19-20 20-21 21-22 22-23 OSITION/PARTY City Council adopted the current DDE ordinance in 2006, which establishes the legal authority to Stormwater Operations detect and eliminate illicit Supervisor discharges or releases to the MS4 a Maintain Appropriate or surface waters. For FY 2022- X X X X X Legal Authorities 2023, the ordinance will remain Stormwater Technicians in force, with a gap analysis to e performed to ensure all encountered situations are Stormwater Inspector effectively and permanently resolved. The City of Winston-Salem has executed a professional services Field Operations Director contract with HDR Engineering for major outfall identification and creation of a comprehensive Assistant Stormwater stormwater system inventory. Director For FY 2022-2023, Middle and Lower Mill Creek Stormwater Operations Subwatersheds continue to Supervisor Maintain a Storm Sewer receive comprehensive inventory b System Base Map updates. In addition, HDR will X X X X X perform dry weather screening o Stormwater Technicians new and existing major outfalls in Salem Creek, Muddy Creek, Silas Creek, and Peters Creek Stormwater Inspector Watersheds due to TMDL regulations and pollutant concentrations. Once identified, Stormwater staff will track, Civil Engineer identify, and eliminate all illicit discharges. 22 Written standard operating Stormwater Operations Inspection/Detection procedures were revised in Supervisor Program to Detect Dry December 2021. Targeted areas c Weather Flows to MS4 of Salem Creek Watershed (and X X X X X Stormwater Technicians Outfalls in Targeted major tributaries) will continue Areas to be screened in dry weather Stormwater Inspector conditions for FY 2022-2023. 11 new municipal employees, which are not administrative positions, are required to review a web -based power point Senior Community presentation and booklet Educator d Employee Training regarding IDDE detection and X X X X X reporting during orientation. Risk Management Jason H. Bryant, one of the safety inspectors for the Risk City Employees Management Department, dispenses IDDE booklets during safety audits. The public has numerous methods of notifying the CityLink Stormwater Division of illicit Maintain a Public discharges. These resources e Reporting Mechanism include the city's official X X X X X Senior Community ebsite, Citizen Service Request Educator ebpage, or CityLink. These mechanisms are active and funded for FY 2021-2022. Stormwater staff records all IDDE activities, which includes Stormwater Operations date, time, investigative findings, Supervisor OVs, and completion letter f Documentation within an internal Excel database X X X X X Stormwater Technicians and GIS map layer. The IDDE GIS and the IDDE Excel Stormwater Inspector spreadsheet have implemented since June 2015. Best Manamement Practices (BMPs) for Illicit Discharl4e Detection and Elimination: 10.1(a) Maintain Appropriate Legal Authorities: The City of Winston-Salem has an illicit discharge, connection, and disposal ordinance that regulates the introduction of illegal pollutants to the City's MS4 and receiving streams. The ordinance was adopted by City Council in 2006. Stormwater staff possesses adequate regulatory authority to provide enforcement actions, which include enforcement mechanisms, such as issuance of notice of violations, levy civil penalties, and issue stop work orders. One can reference the City's Stormwater Illicit Discharges and Connection Ordinance, Chapter 75, at ARTICLE L ILLICIT STORMWATER DISCHARGES AND CONNECTIONS 10.1(b) Maintain a Storm Sewer System Base Map: The City of Winston-Salem has entered into a professional services contract with HDR Engineering for major outfall identification as well as creation of a comprehensive stormwater system inventory. For FY 2021-2022, Middle and Lower Mill Creek Subwatersheds are in the process of being surveyed and updated for a comprehensive stormwater inventory revision, which includes location of new major stormwater outfalls. 23 10.1(c) Inspect/Detect Dry Weather Flows at MS4 Outfalls in Targeted Areas: Illicit discharge detection and elimination procedures are contained within the Stormwater IDDE manual, which was last revised in November 2020. The Stormwater Division's current standard operating procedures (SOPS) are based on the Center of Watershed Protection's 2004 technical manual. Staff has modified these SOPS for functionality and cost-effectiveness, as new technology and funding become available, the Stormwater Division will update and adopt new practices, as needed. In FY 2021-2022, HDR will continue to perform dry weather screening of new and existing major outfalls as well as stream -walk selected stream segments in the Salem Creek Watershed (due to TMDL regulations). Once identified by HDR, Stormwater staff will track, identify, and eliminate all illicit discharges. If needed, Stormwater staff will collect water samples from outfalls and analyze for biochemical oxygen demand, ammonia, nitrate, pH, conductivity, fluoride, surfactants, and fecal coliforms. 10.1(d) Employee Training: The Senior Community Educator distributes a web -based power point presentation and booklet to all current and new municipal employees (pertinent field staff) in order to increase the success rate of detecting illicit discharges to the MS4/receiving waters. All new municipal employees, which are not in administrative positions, are required to review a web -based power point presentation and booklet regarding IDDE detection and reporting during orientation. Jason H. Bryant, one of the Safety Inspectors for the Risk Management Department dispenses IDDE booklets during safety audits. On an annual basis, the Senior Community Educator performs refresher training at a targeted municipal facility or operation. 10.1(e) Maintain a Public Reporting Mechanism: Stormwater staff will continue working with the I.S. Department for maintaining the most current up-to-date information that can be accessed on our city website in order to keep the public informed. The reporting mechanism that the Stormwater Division uses is called CityLink. Once known of the reported issue, staff has 24 hours to respond accordingly to the reported situation. When CityLink receives an issue, the Assistant Director, Stormwater Operations Supervisor, and Stormwater Analyst receive an automated notification from CityLink. From there, management assigns staff accordingly to respond within the allotted period. 10.1(f) Documentation of IDDE Activities: When staff investigates an illicit discharge activity, a discharge report is developed and filed by the investigating staff member, regardless of the outcome. If an illicit activity is discovered, staff prepares a Notice of Violation (NOV), as per the requirements of Chapter 75-11 of the City Code. The NOV is sent to the violator(s) via certified mail or signature verified delivery by staff. The NOV clearly states the violation, as well as any abatement activities required by the City. Upon successful completion of abatement activities by the violator, a notification is sent stating that the illicit activity has been resolved. Staff records all electronic copies of all correspondence, photos, mapping, civil penalty assessments, and sampling results pertaining to the IDDE activity for future reference. Staff documents all IDDE incidents on an spreadsheet as well as a NOV/IDDE GIS layer for accurately tracking elimination activities. The city`s service request system is the main documentation source to bridge the communication gap between Stormwater staff and citizens. From there, citizens can call CityLink and receive information updates. 24 10.2 Illicit Discharge Detection and Elimination Annual Reporting Task Items for FY 2022 — 2023: 1. Continue to move forward with HDR to update and submit a revised the storm sewer system inventory map. The Stormwater Division will provide a summary of inventory update activities that were completed during FY 2022-2023. 2. Continue to detect and eliminate illicit discharge situations and issue corresponding Notice of Violations (NOVs), when applicable. Stormwater staff will report the total number of IDDE cases investigated, the number issued NOVs, and corresponding percentage of successfully resolved IDDE situations to DEQ. 3. Create a comprehensive watershed masterplan update schedule for detecting new major discharge outfalls, illicit discharges, and locating TMDL pollutants of concern sources. The Field Operations Director will need to seek approval from City Council to obtain funding to carry out this activity. 4. As part of the masterplan inventory update, major stormwater outfalls will be investigated and screened for the presence of pollutants. Stormwater staff will furnish the total number of screened major stormwater outfalls, total amount of stream -miles walked, and corresponding eliminated IDDE incidents to DEQ. 5. As part of the city's Good Housekeeping and Pollution prevention programs, new city employees will continue to train to identify and report illicit discharges. The Stormwater Division will tabulate and report the total number of new city employees trained in IDDE detection and notification to DEQ. 6. Continue to educate the public regarding illicit discharges reporting methods and means. Examples include, but limited to, commercials, door hangers, radio, etc. The Stormwater Division will track and report the methods of communication to DEQ. 7. Continue using City Link as our initial tracking system to take any illicit discharge calls and within one business day, Stormwater staff will investigate all received complaints within established procedures. 8. Stormwater staff performs quarterly, fixed interval sampling at 13 locations to determine if any illicit discharges are occurring so that we can eliminate them. The Stormwater Division will report all samples analyzed to DEQ 9. Staff will use instanteous multiparameter meters, in conjunction with Hach colorimeters, for early detection of sanitary sewer overflows (SSOs) and failing septic systems. The Stormwater Division will report all samples analyzed as well as the total number of eliminated SSOs and failed septic systems to DEQ. 10. Continue to perform TMDL and Water Quality Assessment Sampling Programs to detect illicit discharges. The Stormwater Division will report all samples analyzed to DEQ. 11. Continue to use CCTV or a pole camera to locate and permanently remove illicit discharge sources from the MS4 or local streams. 12. Assess and update (if needed) Stormwater's Illicit Discharge Detection and Elimination Standard Operating Procedures (SOPs) for determination of accepted staff protocols. This assessment will occur on an annual frequency. 13. Record the number of detected sanitary sewer overflows by Stormwater staff and reported to Utilities Construction and Maintenance Section. Continue accessing the sewer overflows data base that Utilities maintains on a GIS system to determine problem areas for observable trends. 14. Continue coordinating with the Utilities Division for determining potential illicit discharges when encountered. Stormwater staff will provide professional knowledge and testing equipment for evaluating potential releases. 25 14. The Stormwater Division will contact the Forsyth County Department of Public Health to resolve all failed septic tank systems in the municipal boundaries of Winston-Salem. 15. Assist the Senior Community Educator in distributing IDDE booklets and brief training during municipal good housekeeping inspections. Field staff will mark storm drain catch basins with permanent stickers and spray paint signage at IDDE locations. Stormwater Division will sum the total number of markers for education/public outreach and provide those quantities to DEQ. This information is located at G:\HannaM\Ed & Outreach Programs. 16. Continue to develop and maintain stormwater IDDE Standard Operating Procedures (SOPS), as changes occur. The Stormwater Division will report changes to DEQ. 17. Document IDDE training attendance for all Stormwater Division employees. Both hard and digital copies will be stored in the Stormwater Operations Supervisor's office. 18. Use dye tracing as a method of illicit discharge tracking in conjunction with ArcGIS database conveyance layers. 19. Notify the Winston-Salem Regional Office of DEQ, within 24 hours, of any petroleum discharge that results in a visible sheen on receiving waters or discharged within 100 feet of any perennial stream, or in exceedance of 25 gallons. 20. Continue to document IDDE investigation reports with all relevant information such as NOV/Complaint log, IDDE report, NOV letter(s), correspondences, CSR updates, any follow-up documentation, and photos. This information is located at G:\Techn_Projects_Files\IDDE - Complaints and NOVs. 26 11. CONSTRUCTION SITE RUNOFF CONTROLS Objectives: Reduce pollutants in stormwater runoff from construction activities disturbing one or more acres of land surface and those activities less than one acre that are part of a larger common plan of development. 2. Provide procedures for public input, sanctions to ensure permit compliance, requirements for construction site operators to implement appropriate erosion and sediment control practices, review of site plans, which incorporates consideration of potential water quality impacts, and procedures for site inspection and enforcement of control measures. 3. A locally delegated program that meets or exceeds the state requirements covering the jurisdictional area of the permittee complies with the required minimum of this section. 4. The City of Winston-Salem has been delegated by DEMLR to establish a local erosion and sedimentation control program to administer the Sedimentation Pollution Control Act of 1973; stormwater NPDES permit requirements will be fulfilled using this existing program. Grading permits are required for land disturbing activities that are greater than (or equal to) 20,000 square feet for new single-family dwelling construction (or part of a larger common plan of development) or greater than 10,000 (or equal to) square feet for any non-exempt purpose (or part of a larger common plan of development). For single- family dwelling sites under 20,000 square feet (and not in a larger common plan of development), an executed erosion control affidavit is mandated, which stipulates the installation of minimal erosion control measures to prevent off -site sedimentation. 11.1 BMP Summary Table RESPONSIBLE PY PY PY PY PY BMP Measurable Goals POSITION / 18-19 19-20 20-21 21-22 22-23 PARTY The local program mandates DEMLR approved sediment & erosion control practices for construction activities disturbing more than 20,000 Erosion sq. ft. for single-family Control/Floodplain Erosion and dwelling construction or Manager a Sediment 10,000 sq. ft. for any other X X X X X Control non-exempt purpose. Program Proposed projects, within a larger common plan of Erosion Control development, will need to Inspectors submit and acquire plan approval from the local delegated program to obtain NCGO1000 coverage. Local program adheres to Erosion b Plan Review regulations and X X X X X Control/Floodplain Process requirements of the Manager Sedimentation Pollution 27 Control Act of 1973 and current DEMLR E&SC Erosion Control Planning and Design Inspectors Manual. On -site inspections are conducted approximately once every three weeks (on average) - each inspector Erosion Field has 60 sites. In addition, Control/Floodplain Inspections, staff responds to all received Manager c Complaint complaints within three Response, and business days of first X X X X X Enforcement knowledge. Chapter 8, Procedures Section 8.4 of the City's Unified Development Erosion Control Ordinance includes Civil Inspectors Penalty, Injunctive Relief, Stop Work Orders, and Restoration. The Erosion Control Notify the Division assesses responsible construction debris and state or local trash for potential negative government impacts to surface Stormwater/ agencies that waters/MS4. Erosion Erosion Control Division have Control staff notifies the enforcement responsible, enforcement capabilities to entity for issue resolution, if X X X X X eliminate issues are encountered. Any d construction other pollutants that enter Applicable State and site wastes the MS4 or local waters are Local Government from entering resolved by the Stormwater Agencies the MS4 Division, if the illicit release and/or Waters occurs within the City of of the State Winston-Salem's municipal limits. Erosion Control staff provides guidance resources to contractors, developers, and the public by directing them to the City and DEMLR's websites. Erosion Control staff has Educational also compiled and e and Training distributes digital technical X X X X X Erosion Control Materials guidance and design criteria Inspectors resources through email or print by request. Inspectors conduct on -site and in -office educational seminars with contractors, designers, and the public, as requested. City Link -web -based DEMLR f Public Customer Service System X X X X X Information (CSR) and phone line that citizens and City employees CityLink 28 can report off -site sedimentation issues/complaints Senior Community Educator STOPMUD Hotline — staff responds to complaints with 48 hours of first knowledge Marketing & Communications Section City Website — publicized contact information of Erosion Control staff, which includes telephone numbers and email addresses. 11.1(a) Erosion and Sediment Control Program: The Erosion Control Division of the City of Winston-Salem's Field Operations Department require erosion and sediment control measures at construction sites. Chapter 8, Section 8.4 of the Unified Development Ordinance regulates land disturbing activities within Forsyth County's boundaries (this includes the City of Winston-Salem). For additional information regarding the City's Sediment and Erosion Control Ordinance, please visit this link: Chapter 8, Section 8.4. 11.1(b) Plan Review Process: Chapter 8, Section 8.4 of the Unified Development Code, Section 8.4.4 (A.) states that no person shall initiate any land disturbing activity upon a tract without having an erosion control plan approved by the Director or a designee and without having purchased the applicable permit through the Inspections Division office. Section 3.2.7 (A.) states that any area exceeding 20,000 square feet in surface area on one tract for construction of a single-family dwelling or 10,000 square feet on one tract for any other non-exempt purpose must be permitted. To be permitted, Section 8.4.4 (A.) mandates the creation and submittal of an erosion control plan, Section 8.4.17 provides the submittal standards and criteria of erosion, and sedimentation control plans to be reviewed, approved, and installed. When finalized, development plans are submitted to the City of Winston-Salem for permit approval of land disturbing activities; Erosion Control staff determines regulatory compliance in accordance with the Sedimentation Pollution Control Act of 1973 and Chapter 8, Section 8.4 of the City of Winston-Salem Unified Development Ordinance. As a result, sediment control devices for construction activities are evaluated for capture of 75 percent of the 40-micron particle and larger. 11.1(c) Field Inspections, Complaint Response, and Enforcement Procedures: Site inspections are conducted by one of three qualified Erosion Control Inspectors, which are assigned to a specific section of Forsyth County. One Erosion Control Inspector is solely dedicated to inspecting single family dwelling erosion control compliance. Inspector responsibilities include plan review and approval, issuance of grading/erosion control permits for construction activities, conducting on -site inspections, and performing enforcement actions, when needed. Routine site inspections are performed approximately once every three weeks; however, the frequency of inspections will increase (as needed) for overall programmatic compliance. Enforcement action provisions are described in Chapter 8, Section 8.4.20 of the City's Unified Development Ordinance (Chapter 8). The Erosion Control Division will not issue a grading permit for a development site unless the sediment and erosion control plan has been approved. Deviation from the approved plan will result in a Notice of Violation (NOV) issued by the Erosion Control Inspector with required corrective actions and a compliance due date for 29 completion of corrective actions will be documented. Mitigation activities are enforced in the event off -site sedimentation damage is observed. NCDEQ — DEQ receives a copy of every NOV that is issued by the Erosion Control Division and NCDEQ — DWR is notified if sedimentation damage is observed to a jurisdictional water body. If the required corrective actions are not resolved by the compliance due date, a monetary fine, Stop Work Order, and/or Injunction may be imposed on the developer and/or contractor. In addition, the Inspections Division may withhold any certificates of occupancy until absolute resolution has been achieved. 11.1(d) Notification to the Responsible State or Local Government Agencies that have Enforcement Capabilities for eliminating Construction Site Wastes: During the course of conducting field inspections, Erosion Control Inspectors assess construction waste BMPs, specifically, regarding potential adverse impacts to water quality. If Erosion Control staff determines that a contractor's poor housekeeping practices possess a threat to water quality, staff will notify the Winston-Salem Regional Office of DEMLR, if the site has a NCGO1000 permit or located within unincorporated area of Forsyth County. If the site is located within the jurisdiction of a MS4-permitted entity (e.g., Clemmons, Lewisville, Kernersville, etc.), the respective stormwater authority is notified. Any pollutants that are directly (or indirectly) discharged, disposed, or illicitly connected to storm drain systems (public or private -owned) or streams, which are located within the City of Winston-Salem's municipal limits, are monitored and enforced by the city's Stormwater Division. 11.1(e) Educational and Training Materials for Construction Site Operators: Erosion Control staff performs on -site and in -office educational discussions with licensed contractors, design professional, developers, and the general public as per service requests and/or issuance of violations. These educational discussions are very interactive and personal. Erosion Control staff provides guidance resources to contractors, developers, and the public by directing them to the City and DEMLR's websites. Erosion Control staff has also compiled and distributes digital technical guidance and design criteria resources through email or print by request. 11.1(f) Public Information: In 2005, City Council and the City Manager commissioned the creation and implementation of a centralized telephone call center/web-based complaint hotline for the citizens of the City of Winston-Salem. Known to the public as CityLink, this communication center receives citizen -generated a -mails or telephone calls regarding illicit activity within the City or County. The public can access CityLink on the City of Winston-Salem's homepage of www.Cityofws.org.; it appears on the bottom portion of the website. The Erosion Control Division has been integrated into the CityLink system and implemented a response time of three days. The Erosion Control Division has publicized its contact information on the City of Winston- Salem's main webpage. Once on the City's homepage, a citizen can locate each Erosion Control staff member's name, e-mail address, and telephone number within three clicks of a computer mouse. In addition, by calling 1-866-STOPMUD, citizens can report violations of the Sedimentation Pollution Control Act of 1973. The Erosion Control Division responds to a -mails and received complaints from the hotline within three business days of first knowledge. 30 11.2 Eminent Domain Authority: The Erosion Control Division has an established procedure of requiring documentation of review and approval of a post -construction stormwater management plan by DEQ for all development activity within Forsyth County. Municipalities that are excluded from this policy include Winston-Salem, Kernersville, Clemmons, and Lewisville, since each municipality has its own delegated post -construction stormwater program. This protocol provides DEQ the opportunity to collaborate with the Erosion Control Division concerning the approval of a post -construction stormwater management plan within the county where no post -construction stormwater management program exists. 11.3 Construction Site Runoff Control Annual Reporting Task Items for FY 2022 - 2023 1. The Erosion Control Division will review and approve submitted erosion control plans and perform corresponding onsite inspections to verify compliance. The annual total of approved plans as well as onsite inspections will be reported to DEQ. 2. Once the state's new model ordinance is adopted by the Sedimentation Control Commission, Erosion Control staff will perform a gap analysis and progress with local ordinance revisions, if needed. An update of this action item will be included in the upcoming annual report. 3. If needed, staff will issue Notices of Violations and use all enforcement actions outlined in Chapter 8, Section 8.4 of the City's Unified Development Ordinance to ensure regulatory compliance. Erosion Control staff will assess the percentage of compliant sites versus the number of NOVs issued for all active construction sites for evaluating program effectiveness. 4. Verify the flow process Erosion Control staff uses for ensuring containment of construction waste streams. Ensure that no construction waste can enter (directly or indirectly) the MS4 or waters of the State. Erosion Control staff will submit to DEQ the total number of construction waste issues that were reported to the responsible state/local agency. 5. To evaluate complaint response effectiveness, the Erosion Control Division will report to DEQ the total number of successfully resolved illicit sedimentation discharge/release claims, which are tracked through the city's Citizen Service Request system. 6. Erosion Control staff will report the total number of views from the Erosion Control Division's website, as an indicator of public interest. 31 12. POST -CONSTRUCTION SITE RUNOFF CONTROLS Objectives: Manage stormwater runoff from new development/redevelopment that drains to the MS4 and disturbs an acre or more of land surface, including projects less than an acre that are part of a larger common plan of development or sale. 2. Provide a mechanism to require long-term operation and maintenance of SCMs. 3. Ensure controls are in place to minimize water quality impacts. 4. Permittee shall not be required to apply post -construction site runoff controls to entities that are exempt from permittee's jurisdiction, including entities exempted under N.C.G.S. 113A-56. 12.1 BMP Summary Table PY PY PY PY PY RESPONSIBLE BMP Measurable Goals 18-19 19-20 20-21 21-22 22-23 POSITION/PARTY The City of Winston Salem adopted a Post- Post- construction Stormwater Control Ordinance in construction September of 2008. As a Stormwater required, ordinance X X X X X Field Operations Director Management provisions are applied to Program all developments within the City of Winston- Salem's 'urisdiction. The City uses the State's Strategies latest version of which include Stormwater Design b SCM's Manual as the Minimum X X X X X Stormwater Engineer appropriate for Design Criteria (MDC) the MS4 for SCM submittals/ reviews. Deed restrictions and Deed protective covenants are Field Operations Director Restrictions and required in the City's X X X X X c Protective ordinance to ensure that Covenants stormwater controls are Stormwater Engineer not altered or removed. An operation and maintenance plans are required as part of the Operation and permit approval process. Field Operations Director d Maintenance The City uses state- X X X X X Plan approved criteria for implementing Stormwater Engineer SCM inspection and maintenance re uirementS. 32 Educational materials are posted on the Stormwater Division's webpage, which includes Educational stormwater applications, materials and example calculations, and e training for other supplementary X X X X X Stormwater Engineer developers information. The Stormwater Engineer holds regular meetings with developers to guide them through the permit process. 12.1(a) Post -Construction Storm Water Management Program: The Stormwater Division oversees and enforces the city's post -construction stormwater management program. The City of Winston-Salem has supplemented previous water supply watershed regulations with current post -construction regulations for Class `C' waters to address stormwater runoff from new and re -developed sites. The current Post Construction Stormwater Management ordinance was adopted by the City Council on September 19, 2008, and this ordinance applies to all development within our jurisdictional area (municipal boundary). The City's Post -construction Ordinance can be located at https:Hlibrary.municode.com/nc/winston- salem/codes/code of ordinances?nodeld=PTIIICOOR CH75STMA ARTIVPOCOST. 12.1(b) Strategies, which include SCM's Appropriate for the MS4: Programs with development/redevelopment draining to Nutrient Sensitive waters: Drainage from the City of Winston-Salem ultimately flows to the Yadkin River, which is the main tributary for High Rock Lake. High Rock Lake has been classified as nutrient sensitive and currently has a TMDL in development for Chlorophyll A and turbidity. Currently, wastewater point sources are being considered for a waste load allocation (WLA) — not stormwater sources. Structural and non-structural SCMs will be utilized to address the requirements of 15A NCAC .0126 (10) (e). These SCMs will provide sediment removal, which ultimately reduces the nutrient inputs to receiving streams. Proper application and storage of fertilizers is being addressed through a Turf Management Certification, which is administered by the Stormwater Division and the Forsyth County Cooperative Extension Service in efforts to reduce nutrient loading to receiving streams. Fecal Coliform Source Control: The City of Winston-Salem coordinates with the Forsyth County Department of Public Health to reduce fecal coliform due to failing/or failed septic tank systems. This process requires the property owner to either connect to the POTW or repair/replace the septic tank system to effective operations. The City/County Utilities Commission (CCUC) has an extensive capital improvement program to rehabilitate failing sections of the sewer collection system. Stormwater staff works closely with the CCUC to resolve sanitary sewer overflows during dry weather screening activities or received citizen complaints. In addition, the City of Winston- Salem has an enforceable ordinance that requires pet owners to pick up fecal matter within its municipal boundaries. Section 6-12 in the City of Winston-Salem's Municode contains the sanitation requirements for picking up dog feces, which is posted at https:HlibrM.municode. com/nc/winston- salem/codes/code of ordinances?nodeld=PTIIICOOR CH6ANFO S6-12SAREDO. 33 Non -Structural SCM's: Currently, the City of Winston-Salem has implemented a comprehensive plan for growth — the Legacy Development Guide, which was adopted in 2012. Environmental quality is a key subject area, which is addressed with an objective to protect our local watersheds, wetlands, and streams. The City also has adopted local water supply watershed protection regulations, as required by NC DWQ. The Unified Development Ordinance regulates development in the Water Supply watershed areas of the City. Development is subject to zoning restrictions, erosion control measures, floodplain management and low -density development provisions as they pertain to the water quality criteria of the Post -Construction Stormwater Control Ordinance such as recording of stream buffers where applicable and use of vegetative conveyances to the maximum extent practicable. Structural SCM's: The City of Winston-Salem's Post Construction Stormwater Management ordinance provides sizing and performance criteria for water quality SCMs. The City of Winston-Salem has also adopted the State's Stormwater Design Manual as a technical guide for designing structural SCMs within its jurisdictional area and thus for use in also providing sizing and performance criteria, in combination with the ordinance provisions. The ordinance addresses both low density and high -density development scenarios as regards water quality attenuation. Low density developments (less than 24 percent built upon area, or less than two dwelling units per an acre) must meet all of the Minimum Design Criteria (MDC) of the NC DWR Stormwater Design Manual —Low Density Chapter, to the maximum extent practicable. Such items include but are not limited to recording of stream buffers where applicable and using vegetative conveyances to the maximum extent practicable. High density developments (greater than 24 percent built upon area and more than two dwelling units per acre) in addition to meeting all of the low density non-structural SCM requirements, to the maximum extent practicable, must also provide structural SCM's. Any SCM or combination of SCM's that are considered "Primary" SCMs per the Stormwater Design Manual and that can be effectively constructed in the Piedmont physiographic region may be approved by the Stormwater Engineer. In addition, the Post Construction Stormwater Management ordinance also includes a local requirement for water quantity standards if a development creates more than 20,000 square feet of new impervious area. If that is the case a development must either, (a) design structural SCMs in order to mitigate detrimental downstream effects of flooding and erosion in various design storm events, or, in lieu of management provide a "no adverse impact downstream study" if indeed a no adverse impact situation can be proven. 12.1(c) Deed Restrictions and Protective Covenants: The City of Winston-Salem, as previously mentioned, created, adopted, and implemented its post -construction ordinance on September 19, 2008. This ordinance includes comprehensive regulatory procedures to ensure compliance. Right of entry drainage and access easements must be granted to the City to inspect, monitor, maintain, repair, or to reconstruct the stormwater management system as necessary and these easements are referenced in the recorded Operation and Maintenance Agreements. Notice of violations, remedies, and monetary penalties are examples of regulatory tools contained within the post -construction ordinance that the Stormwater Division utilizes as enforcement mechanisms. For further reference, the City's Post -construction Stormwater Control Ordinance (Chapter 75, Article IV) can be located at this link: https://library.municode.com/nc/winston- salem/codes/code of ordinances?nodeld=PTIIICOOR CH75STMA ARTIVPOCOST 34 12.1(d) Operation and Maintenance Plan: Stormwater staff inspect approved water quantity SCMs (pre-2008 post -construction ordinance adoption) as well as the Salem Lake Watershed (Water Supply IV Classification) SCMs on an annual basis. Next, Stormwater staff informs the owners of record of any deficiencies noted so that they may be addressed. Operation and Maintenance Agreements are required to be approved, recorded and implemented for all of the developments located within the Salem Lake Watershed area that require SCM(s) and the owners of such SCMs are bound to the terms of that agreement. The City currently has a spreadsheet that tracks all of the developments and redevelopments that have been submitted to the Stormwater Division for review and compliance with the Post Construction Stormwater Management ordinance. This spreadsheet includes a list of the development names, whether or not they are exempt from the ordinance and if exempt an explanation of why so, and if they are not exempt a description of what provisions of the ordinance they had to meet as in water quality — (low or high density), or water quantity, or both. This spreadsheet contains pertinent information, such as project submittal, review notes, date of permit issuance with corresponding number, the owners contact information of the stormwater management system, what developments we are currently still waiting on for as - built records to be submitted, what developments have submitted as-builts and hence are subject to submitting annual inspection and maintenance records, etc., so that Stormwater staff can efficiently check or reference any development and its criteria that may have been permitted, since the ordinance was adopted. The City also maintains "hard" files for all projects listed in this spreadsheet. SCMs, within the City limits jurisdiction and approved after the adoption of the post - construction ordinance, must have an Operation and Maintenance Agreement recorded as part of the post construction permit process that is binding on the SCM owner. The responsibility of SCM inspection and maintenance is placed on the designated SCM owner, or Homeowners Association/Property Owners Association, as applicable, who has signed the recorded Operation and Maintenance Agreement. The requirements for such inspections and maintenance are outlined in an Operation and Maintenance Manual that forms part of the overall Operation and Maintenance Agreement. Beginning after the certification of the as -built drawings for a permitted stormwater management system, the system must be inspected per the frequency described in this agreement by a suitably qualified professional on behalf of the owner. The owner must keep all records of these inspections and any maintenance activities that may have been necessary and submit these records to the Stormwater Director for review on an annual basis. The Stormwater Director or his designee may carry out his own inspection to validate such submitted records. All structural SCMs approved in accordance with the Post -Construction Stormwater Management ordinance must have a financial surety that meets the requirements of the ordinance provisions, in force prior to permit issuance. For a developer who wants to remain the party responsible in perpetuity for the long term Operation and Maintenance of the system, the surety shall equal four percent of the estimated construction cost of the Stormwater management system, verified by submittal of a sealed engineers estimate. This surety is held in a City maintained account and is non-refundable. The developer may apply for a loan from this account if needed to address system deficiencies. For SCMs that are to be owned and operated by a HOA or POA, then the surety that is required is in the form of an escrow account and escrow agreement. The developer establishes an escrow account at the time of permitting and deposits 15 percent of the estimated construction cost of the stormwater management system 35 into this account, with the HOA/POA to add further funds in the future. An escrow agreement must be approved and recorded during the permit process, which allows the City access to this escrow account, and its funds if needed should a SCM owner fail to comply with maintaining the system. The City also requires performance bonding or other cash securities, in accordance with the Salem Lake Watershed Environmental ordinance provisions, on SCMs proposed and located within the Salem Lake Water Supply Watershed area. 12.1(e) Educational materials and training for developers: Multiple training and information sessions were provided by Stormwater Division staff prior to and after the ordinance implementation in 2008. Educational materials provided include a permit application flowchart, example of design calculations and other supplementary information such as Operation and Maintenance Manual templates. These are available on the Stormwater Divisions website. The Stormwater Engineer and if needed the Stormwater Director, also make themselves regularly available to meet with developers at their request on an individual basis in the event that they need guidance on permit policies and procedures before submitting an application for a permit. The Stormwater Engineer is also a member of the City's Technical Review Committee (TRC) and attends in person meetings held on a weekly and monthly basis to explain the Post Construction Stormwater Management permitting process to applicants looking to develop or redevelop property within the City limits and Salem Lake Watershed. The Stormwater Engineer has on average three such meetings (individual plus TRC combined) on a weekly basis. The Stormwater Engineer fulfills multiple meetings and information requests from developers, owners and citizens either by phone or e-mail on a weekly basis outside of the in person meetings. The City maintains a website on the Stormwater Divisions webpage that addresses the city's post -construction permitting process as well as development requirements within the regulated Salem Lake Watershed area. This website is used as an educational tool available to all developers and SCM owners. The website contains items such as, a link to the Post Construction Stormwater Management ordinance, a link to the NC DWR Stormwater Design Manual website, the permit flow chart, a link to the permit application and checklists for submittal, templates for Operation and Maintenance Agreements and Manuals, design examples or SCMs, templates for inspections and annual compliance reports, a link to the electronic review submittal system and also a detailed FAQ section that attempts to address most, if not all of the questions that developers and SCM owners typically have. This website may be found at hgps://www.cityofws.org/794/Post-Construction-Stormwater-Mana eg ment 12.2 Post -Construction Annual Reporting Task Items for FY 2022 — 2023: 1. Stormwater staff will inspect constructed and approved water quantity control SCMs within the City limits. These SCMs were designed and constructed prior to the 2008 adoption of the City of Winston-Salem's Post Construction Stormwater Management ordinance. Inspection results will be disclosed in the FY 2022-2023 Annual Report to DEQ. 36 2. Stormwater staff will inspect the water quality SCMs located within the Salem Lake Watershed, which were approved under the provisions of the Salem Lake Watershed ordinance. Inspection results will be disclosed to DEQ in the FY 2022-2023 Annual Report. 3. Create and implement a flow -process and standard operating procedures (SOPS) for executing municipal -owned SCM Operation and Maintenance Agreements and responsibilities. Once finalized, the City's SCM Manual for municipal operations will be finished by the Stormwater Engineer. A status update for the task item will be provided to DEQ in the FY 2022-2023 Annual Report. 4. Identify privately -owned SCMs, which includes as-builts, annual inspection records, maintenance records, etc. to gain compliance with applicable ordinance requirements within the municipal boundaries. 5. Implement an annual inspection SOP for municipal -owned SCMs that were installed after 2008. Once inspected, the stormwater capital improvement project list will be updated, encumber funding, and release Request for Proposals to maintain or repair municipal - owned SCMs. Stormwater staff will need to seek Council approval to obtain the funding to carry out these activities. A status update for the task item will be provided to DEQ in the FY 2022-2023 Annual Report. 6. The Stormwater Division will review and permit applicable development plans that require a Post Construction Stormwater Management permit to be issued. This will include reviewing development plans for compliance with the water quality provisions of the ordinance that may be either: (a) low density developments, or (b) high density developments that require structural SCMs. These plans and if needed, SCMs, will be assessed for compliance with the City's Stormwater quantity ordinance provisions. Stormwater staff will also ensure they review all other development plans that may be exempt from the ordinance provisions to confirm any or all exemptions and keep a record of all such exemptions on file. 7. Stormwater staff will continue to maintain an internal spreadsheet of all submitted developments for review, exempted, or permit issuance. This spreadsheet shall continue to contain information such as when was a project permitted, what is the permit number, what is applicable to a particular development — i.e. is it low density development in terms of water quality or a high density development and if it was a high density development, what and how many, types of SCMs were permitted, so that an accurate count of all SCMs permitted throughout our jurisdiction since the adoption of the ordinance can be gathered if needed. In addition, this spreadsheet should continue to record if a development had to meet the water quantity requirements of the ordinance and if so, were SCMs provided. Conversely, if the developer proves that no adverse impact downstream exists, then no management is required for water quantity. 8. The Stormwater Division will assess how many SCM owners comply with their Operation and Maintenance responsibilities as regards inspecting and maintaining their systems and how many of the owners submit their annual compliance reports to the Stormwater 37 Division, as they are required to do per their permits. If owners fail to comply then the Penalties and Remedies Section of the ordinance will be implemented, as required. 9. Assess the need for increased educational efforts for structural SCM inspection and Maintenance after devices have been constructed and have become operational and are formally under the owner's responsibility per their Operation and Maintenance Agreement. Particular attention may be needed for the owners of new systems who are just entering their first year of Operation and Maintenance responsibilities, or for those owners who are regularly deficient in their annual submittal responsibilities. 10. Assess the number of visits and downloads to and from the Post Construction Stormwater Website by the Senior Community Educator. 11. Assess the percentages of structural SCMs (since 2008) for operational function (e.g., functional, underperforming, nonfunctional, and failing). Ensure the overwhelming water quality and quantity BMPs are functioning as designed by implementation of Items 4 and 5 above. Also, assess the percentages of structural SCMs (mainly quantity devices) constructed prior to 2008 for performance levels and these include the SCMs both within the City limits and within the Salem Lake Watershed area. 12. Implement a tentative internal City Agreement involving other City Departments (City Attorney's office, Engineering Department and Property Maintenance Department) to create and execute, for all City owned SCMs, an Operation and Maintenance Agreement process that includes an inspection and maintenance criteria and that may also involve execution of a maintenance contract with an outsider vendor in order to return and to maintain city -owned structural SCMs to their designed operational effectiveness. In addition to this, City developments that are lacking in their permitting requirements that may yet be unfulfilled and submittal of as -built records for those SCMs that were permitted fully should be addressed. An inventory of all municipally owned structural SCMs will be maintained by the Stormwater Engineer - a copy of this inventory will be provided to DEQ within Stormwater's Annual Report. 38 13. POLLUTION PREVENTION and GOOD HOUSEKEEPING for MUNICIPAL OPERATIONS Obiectives• 1. Prevent or reduce stormwater pollution from municipal operations that drain to the MS4 system. 2. Incorporate Pollution Prevention and Good Housekeeping techniques into municipal operations that drain to the MS4 system. 13.1 BMP Summar Table PY PY PY PY PY RESPONSIBLE BMP Measurable Goals 18-19 19-20 20-21 21-22 22-23 POSITION/PARTY To maintain a current inventory of the municipal facilities/operations, Stormwater staff evaluates and updates its master Stormwater Inspector inventory on an annual Inventory of basis. The last revision to a municipal the master list was X X X X X facilities and performed on October 11, operations 2021. The Stormwater Stormwater Engineer Engineer maintains a master list of all SCMs that are owned or operated by the City of Winston-Salem — the last update occurred October 28, 2021. The Stormwater Division Inspection and has implemented an maintenance inspection and maintenance program for program for municipal b municipal facilities/operations, which X X X X X Stormwater Inspector facilities and was updated in November operations 2021. All information has been incorporated into a written plan. Site Pollution The Stormwater Division Prevention Plan has prioritized 20 (Table c for Municipal 13.4) municipal X X X X X Stormwater Inspector Facilities operations/facilities for potential SPPP creation. For municipally owned facilities that are not required to obtain a general Spill Response stormwater permit, an Procedures for abbreviated SWPPP is d Municipal created and implemented. X X X X X Stormwater Inspector Facilities and A key component of this Operations abbreviated SWPPP is spill response plan and procedures, which are site - specific. 39 During municipal facility/operation Prevent or assessments, vehicle and Minimize equipment -washing Contamination of practices are evaluated. If Stormwater needed, washing e Runoff from all procedures are modified to X X X X X Stormwater Inspector areas used for prevent or minimize Vehicle and exposure to surface waters. Equipment These procedures are Cleaning documented in the SPPP and verified on a BMP checklist. The Stormwater Division has work in collaborated Stormwater Inspector efforts with Winston-Salem Transit Authority and Field Operations, City Yard to Field Operations, City identify pollutant -laden Yard Streets, Roads, stormwater runoff from f and Public Parking public streets roads, and X X X X X Lots Maintenance Parking lots. Selected BMPs for implementation, Winston-Salem Transit which includes street Authority sweeping, trash and sediment removal, and Stormwater Operations implementation of basic Supervisor spill response procedures for hydrocarbon releases. Inspection and The permittee shall Maintenance maintain and implement an (I&M) for inspection and maintenance FO, City Yard municipally program for municipally g owned or owned stormwater control X X X X X maintained measures (SCMs) and the stormwater control MS4 system, which measures (SCMs) includes catch basins, Stormwater Engineer and the storm piping, and other sewer system. structures. A web -based power point presentation and booklet is mandatory for all current and new applicable Senior Community municipal employees, to Educator review and synthesize information regarding good housekeeping practices as h Staff Training well as IDDE information. X X X X X In addition, on an annual basis, the Stormwater Inspector performs a municipal inspection at a targeted department, where Stormwater Inspector additional staff training is performed that is specific to the department conditions. 40 13.1(a) Inventory of Municipal Facilities and Operations: In 2020, the Stormwater Division performed an inclusive assessment of municipal facilities/operations that have a significant potential for generating polluted stormwater runoff. Subsequently, staff prioritized these municipal operations for SWPPP creation and implementation due to the magnitude and nature of activities that each municipal operation provides to the public. Since that time, the Stormwater Division provides professional services to City entities to create and implement BMPs for mitigating or eliminating exposure of pollutants to stormwater runoff. The following tables provide an overview of the City's progression in reducing stormwater pollution from municipal operations, as of October 11, 2021. Municipal Facilities/Operations that have Comprehensive Stormwater Pollution Prevention Plans (General Stormwater Permitted or Significant Operations that require SWPPPs, as if permitted) Table 13.2 City Department Division or Operational Activities Contact Name NPDES Permit Number Utilities Muddy Creek WWTP Frank Crump NCG110133 Archie Elled e WWTP Frank Crump NCG110013 Hanes Mill Landfill Gordon Dively NCG120034 Old Salisbury Road Landfill Adam Rickett NCG120095 Utilities Construction and Maintenance Kenny Atkins N/A Property Facilities Management Fleet Services Donnie McDaniel NCG080801 Field Operations City Yard Lance Covington N/A WSDOT Winston-Salem Transit Authority John Ashford NCG080023 Parks and Recreation Reynolds Park Maintenance Warehouse Wayne Belcher N/A Benton Convention Center Food Service, Convention Activities Grant Minix N/A Winston-Salem Entertainment and Sports Complex Food Service Agricultural Exhibits Automobile Demolition Derby Cheryle Hartley N/A Bowman Grey Stadium Automobile Racing, Sporting Events, Food Service James Crippen N/A Municipal Facilities/Operations that have Abbreviated Stormwater Pollution Prevention Plans (Spill Response Plans and Procedures with Nonstructural BMPs, including Site Maps) Table 13.3 City Department Division or Operational Activities Contact Name NPDES Permit Number WSDOT Parking Decks/Lots Rodd Ring N/A Three facilities Thomas Water Plant Bill Brewer NCO079821 WSFD(Nineteen facilities Fire Stations, Truck Washing Chief Trey Mao N/A Parks and Recreation Equipment Maintenance and Washing, Swimming Wayne Belcher N/A (26 facilities) Pool Chemicals, and Recreation Centers 41 Municipal Facilities/Operations that are scheduled for Site Assessments and/or Stormwater Pollution Prevention Plans (General Stormwater Permitted or Abbreviated — Depends on Operational Magnitude and Nature of Activities) Table 13.4 City Department Division or Operational Activities Contact Name NPDES Permit Number Sanitation Lowery Street Complex Darrell Moody N/A Parks and Recreation Reynolds Park Golf Course Julius Reese N/A Winston Lake Golf Course Julius Reese N/A Police Vehicle Evidence Lot Brittany MurrayN/A Beaty Public Safety Center Captain Brian Dobe N/A Burke Public Safety Center Jon Canu N/A District 1 Office Complex Captain Richard Newnum N/A District 2 Office Complex Captain Renee Melly N/A District 3 Office Complex Captain Christopher Lowder N/A Cemeteries Evergreen Cemetery Scotty Speas N/A Woodland Cemetery Scotty Seas N/A Parks and Recreation Quarry Park, Hanes Park, Washington Park Wayne Belcher N/A Bethabara Park Diana Overby N/A Winston Lake, Salem Lake Bobby He e N/A Long Creek Pool Shawn Rodriguez N/A Hine Park & Sara Lee Soccer Fields Wayne Belcher N/A WSTA Central Bus Station John Ashford N/A Best Management Practices for Pollution Prevention and Good Housekeeping for Municipal Operations 13.1(b) Inspection and Maintenance Program for Municipal Facilities and Operations: The Stormwater Division has been conducting good housekeeping inspections of municipal facilities/operations since January 2004. The Stormwater Inspector prioritizes municipal facilities for an inspection ranking (annual frequency), based upon internal evaluation criteria, such as site size, nature of operation business practices, chemical or product quantities and/or toxicity, spill history, general permit issuance or status, etc. Once the inspection ranking list is finalized, the Stormwater Inspector evaluates the potential of each municipal facility or operation to generate potential pollutants. If the municipal facility/operation has been issued a general stormwater permit, the Stormwater Inspector determines onsite conditions and SPPP compliance with permit requirements. Basic municipal operations or facilities receive an abbreviated stormwater pollution plan, which concentrates on facility inspections, spill response procedures, general site maps, and employee training. If needed, the Stormwater Inspector refers the municipal facility to a qualified consultant for creation of a spill prevention, control, and counter measure plan (SPCC), which complements SPPP requirements (but not to replace). The inspection process focuses on current best management practices (BMPs) of chemical/substances (e.g. salt, gasoline, soil, etc.) storage, waste disposal, outdoor processes (e.g. vehicle and equipment washing), material unloading, and automotive -related activities. In addition, Stormwater staff evaluates the effectiveness of structural BMPs, stormwater discharge outfall(s) condition, off -site erosion, and recommends corrective measures and/or BMP implementation (nonstructural or structural) for the facility. All generated inspection reports are posted on an internal shared drive as well as hard copies that are delivered to the Field Operations Director, Mr. Keith Huff. The Stormwater Division retains an electronic copy and hard copies of completed inspection forms. Once corrective measures have been installed or 42 implemented, stormwater personnel verify BMP effectiveness. The last comprehensive revision to the city's municipal inventory database was completed in 2020; an update was finalized by the Stormwater Division during the 2020-2021 permit year and is located at (G:\Industrial Inspection & Municipal Goodhousekeeping\MGH&PP Program\Municipal Facilities\Master Municipal.xlsx 13.1(c) Site Pollution Prevention Plans for Municipal Facilities and Operations: The Stormwater Division has identified 81municipal facilities/operations that have the significant potential for generating polluted stormwater runoff. As of October 2021, 61 municipal facilities/operations have implemented stormwater pollution prevention plans (SPPPs) to remove pollutant exposure to stormwater runoff (Tables 13.2 and 13.3). 20 municipal facilities/operations have been designated for site pollution assessments/inspections with SWPPP creation and implementation, if needed (Table 13.4). The Lowery Street Complex will be evaluated for vehicle -washing BMPs during the coming permit years. (G:\Industrial Inspection & Municipal Goodhousekeeping\MGH&PP Program\Municipal Facilities\Master MunicipaLxlsx) 13.1(d) Spill Response Procedures for Municipal Facilities and Operations: For municipally owned facilities that are not required to apply for a NPDES stormwater permit, an abbreviated SWPPP has been created and implemented by City staff. A key component of this abbreviated SWPPP is spill prevention and response plan and procedures that are site -specific. SPPPs include site maps, facility inspections, GH and PM schedule, and SPPP certification. All SPPPs have site maps, facility inspections, good housekeeping and preventive maintenance schedules, and a SPPP certification statement. Each municipal operation/facility performs spill response training on an annual basis. Table 13.3 contains a list of municipal facilities/operations that have implemented an abbreviated SPPP. 13.1(e) Prevent or Minimize Contamination of Stormwater Runoff from all areas used for Vehicle and Equipment Cleaning: Upon inspection of each municipal facility or operation, structural and nonstructural BMPs are recommended for implementation. Stormwater staff promotes vehicle/equipment washing at the Lowery Street Complex. These washing bays discharge into an oil and water separator, which is connected into the sanitary sewer. Parking lots for abandoned vehicles will be evaluated for installation of an oil and water separator. If BMPs cannot be installed, the vehicle -washing activities will be performed in accordance with NPDES requirements; selected BMPs will be incorporated into an abbreviated SWPPP to reflect on -site practices and measures. 13.1 (f) Streets, Roads, and Public Parking Lots Maintenance: The Stormwater Division has worked in collaborative efforts with Winston-Salem Transit Authority and Winston-Salem Department of Transportation in order to identify pollutant -laden stormwater runoff from public streets, roads, and parking lots. Selected BMPs for implementation include increased street sweeping, enhanced MS4 trash and sediment removal, issuance of condensed spill response plans and procedures for hydrocarbon releases and implementing a maintenance program for existing stormwater control measures, which receive inputs from public streets and roads. 13.1(g) Inspection and Maintenance (I&M) for Municipally -owned or Maintained Stormwater Control Measures (SCMs) and the Storm Sewer System: City Yard Field Operations has developed and implemented a comprehensive operation and maintenance (O&M) program for structural BMPs as well as the MS4. This O&M Program includes (but not limited to) these activities: 43 Street (right-of-way) structure maintenance (pipes and catch basins) — approximately 50 percent of total MS4 drainage structures are inspected and cleaned (if needed) once a year. Structure condition is denoted, prioritized for repairing, when required. Street sweeping — the Sanitation Department ensures that the downtown business core streets are swept daily to remove pollutants from roadways. The Sanitation Department utilizes high efficiency vacuum street sweeper for maximum pollutant (e.g. trash, TSS, fecal coliforms, and nutrient) removal. In addition, numerous municipal facilities (e.g. Winston-Salem Transit Authority, City Hall North Parking Lot, etc.) utilize high efficiency vacuum sweepers to remove any potential pollutants (oil and grease, TSS, fecal coliforms, and nutrients) at a designated service interval. Structural SCMs maintenance: The Stormwater Engineer will devise a prioritization plan for SCM maintenance or rehabilitation activities; based on the results of the prioritization plan, the Field Operations Director will allocate funds and develop a critical path for returning SCMs to their designed, operating condition. Maintenance activities will include vegetative control of invasive species, sediment removal from forebays, trash and debris removal, and inlet and outlet cleaning services. 13.1(h) Staff Training: A web -based presentation (created by the city's Marketing and Communications Department in August 2021) and booklet is mandatory for all current municipal employees, which are not administrative positions, to view and synthesize awareness information regarding good housekeeping practices as well as illicit discharge identification and detection. Once training has been completed, City departments record each employee's name and employee ID number for documentation purposes and submit these training logs to the Senior Community Educator. These educational materials serve for refreshing current employees' awareness of pollution prevention techniques. In addition, the Stormwater Inspector performs inspections at specific municipal facilities, where enhanced staff training is warranted. Lastly, Jason H. Bryant, Safety Inspector with the Risk Management Department, dispenses IDDE booklets during safety audits for supplementary educational activities. 13.20 Municipal Good Housekeeping and Pollution Prevention Annual Reporting Task Items for FY 2022-2023: 1. The Stormwater Inspector will perform SPPP audits on selected municipal operations or facilities. The Stormwater Division will submit the total number of inspected municipal facilities (with corresponding names) to DEQ. This list is located at G:\Industrial Inspection & Municipal Goodhousekeening\MGH&PP Prouram\Municipal Facilities. 2. Create a Request for Qualifications to hire a qualified professional to generate stormwater pollution prevention plans for remaining municipal operations/facilities. Stormwater staff will need to seek Council approval to obtain the funding to carry out these activities. A status update for the task item will be provided to DEQ in the FY 2022-2023 Annual Report. 3. Stormwater staff will request analytical sampling records from municipal operations to compare pollutant concentrations to benchmark values, if permitted. If excessive concentrations are observed, the Stormwater Inspector will recommend BMPs (or SCMs) to the municipal operation for pollutant reduction and permit compliance. 4. Stormwater staff will request a copy of all documented spills from all municipal operations during site inspections. Documented spills will be located at (G:\Industrial Inspection & Municipal Goodhousekeeping\MGH&PP Pro rg am\Spill Documentation). In 44 addition, the Stormwater Inspector will ensure that the municipal operation will have the proper spill kits and proper contact information on site for elimination and mitigations of future spills. 5. Continue to have new City employees view the stormwater orientation video and receive a copy of the handbook, Stormwater Runoff Municipal Good Housekeeping and Pollution Prevention. This will serve as a foundation to educate newly hired city employees. The Stormwater Division will report the total number of city employees that were trained in proper MGH & PP practices to DEQ. In addition, the Stormwater Inspector and Senior Community Educator will continue to perform the annual refresher training for targeted city employees, which is based on a priority ranking. Priority rankings are based on the last time a facility was trained and or the last time a major spill has occurred. 6. The City will provide funding to 3RC, a facility that collects, disposes, and/or recycles household hazardous materials in the city of Winston-Salem. The Stormwater Division will report the total quantity of recycled household hazardous waste to DEQ. 7. The Sanitation Division will collect and compost leaves and vegetative material. The Stormwater Division will report the total quantity of recycled vegetative matter to DEQ. 8. City Yard Field Operations will continue to remove and dispose of trash and debris from the MS4. The Stormwater Division will report the total number of inspected and cleaned MS4 structures. In addition, the Stormwater Division will report the total tonnage of disposed material. 9. The Sanitation Division will continue to perform streets sweeping activities within the municipal limits with increased efforts directed to the Downtown business core. The Stormwater Division will report the total number of linear miles of swept roads/streets to DEQ. 10. Evaluate the remaining municipal facilities listed in Table 13.4 for potential creation of full or abbreviated SWPPPs. Stormwater staff will create a priority ranking of municipal facilities to be inspected. Next, each municipal facility will be assigned a future inspection month and year — this task item was completed in October 2021. For FY 2022- 2023, the Field Operations Director will attempt to procure budgetary funding for SPPP creation of identified municipal operations/facilities. 11. Perform inspections of municipal -owned facilities/operations with existing stormwater pollution prevention plans, but have not been inspected within the past five years. Stormwater staff should be able to inspect two municipal facilities/operations for FY 2022-2023. 45 14. MONITOR and EVALUATE STORMWATER DISCHARGES to MUNICIPAL SYSTEMS Obiective• 1. Evaluate pollutants in stormwater discharges to the permittee's MS4 from hazardous waste treatment, disposal and recovery facilities, industrial facilities subject to Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 (SARA), and industrial facilities that the Permittee determines are contributing or having a potential to contribute a substantial pollutant loading to the municipal storm sewer system. 14.1 BMP Summary Table PY PY PY PY PY RESPONSIBLE BMP Measurable Goals 18-19 19-20 20-21 21-22 22-23 POSITION/PARTY A complete list has been generated and updated by the Stormwater Division. This list consists of industrial facilities that are permitted as defined Maintain an by 40 CFR 122.26, SARA Stormwater Inspector a Inventory of Title III, Resource x x x x x Industrial Sites Conservation & Recovery Act (i.e., hazardous waste) or identified as having/had an illicit discharge. The last update was completed in October 11, 2021. Created and implemented in early 2004, the Stormwater Division has proactively inspected NPDES industrial facilities. Our current inventory prioritization is b Inspection Program based upon the potential x x x x x Stormwater Inspector impacts to surface waters and the amount of times facility has been inspected per permit cycle. Inspection procedures were last modified in November 2020. During the on -site inspection, the Evaluate Industrial Stormwater Inspector Facilities evaluates analytical and C discharging qualitative sampling data, x x x x x Stormwater Inspector stormwater to the visual field observations City's MS4 of the stormwater discharge outfalls, and BMP effectiveness. 46 Best Management Practices for the Program to Monitor and Evaluate Stormwater Discharges to Municipal Systems: 14.1(a) Maintain an Inventory of Industrial Sites: A complete list has been created by the Stormwater Division. This list consists of industrial facilities that are permitted as defined by 40 CFR 122.26, SARA Title III, hazardous waste facilities, or identified as having or had an illicit discharge. The Stormwater Division updated this master list on October 11, 2021; updating will occur semiannually. All data will be stored digitally in our database and will be updated semiannually to maintain the most current inventory. This information can be located at G:\Industrial Inspection & Municipal Goodhousekeepin \Ig ndust_Inspect\City Industrial Information\Industrial Master.xlsx. 14.1(b) Inspection Program: Our current techniques are based upon revised 2006 EPA inspection methods, which include observations of effectiveness of nonstructural and structural BMPs, the facility's stormwater collection system and stormwater discharge outfalls, site maps, and validation of written SPPP information to actual field observations. The City of Winston-Salem has prioritized industrial facilities within its municipal limits to be inspected. The Stormwater Division used the following sources to generate the list: 1. EPA's Envirofacts Database for Toxic Release Inventory (SARA Title III) and RCRA (hazardous waste treatment, disposal, and recovery) facilities (updated semiannually) 2. NC Department of Energy, Mineral and Land Resources Database (General and Individual Permitted industrial facilities, as per 40 CFR 122.26) (updated semiannually) 3. The City of Winston-Salem Facilities' Database (municipal operations/facilities that are permitted under 40 CFR 122.26) (updated semiannually, or as needed) 4. Illicit Discharge Reports (updated as needed and after each occurrence) When combining the above -mentioned databases, facilities that appeared multiple times due to their industrial activities and governmental regulations were ranked. As a result, the Stormwater Division assigned these industrial facilities with a `high -priority' ranking due to the elevated probability of significant adverse impact to surface waters. The Stormwater Inspector will target these facilities for inspections; our goal is to inspect every permitted facility once every five years. 14.1(c) Evaluate Industrial Facilities discharging stormwater to the City's MS4: During the SPPP review, Stormwater staff evaluates first flush data regarding benchmark values from the NPDES permit to determine to status before arrival. Once onsite for an inspection, a visual field observation of the stormwater collection system, current and past conditions of stormwater discharge outfalls (by means of qualitative monitoring records), and effectiveness of nonstructural and structural BMPs are observed. If needed, Stormwater staff will request copies of each sampling event to monitor results based upon the status of the permitted facility. Stormwater staff will update the master list to identify if the permitted facility is located within a TMDL watershed and/or discharges the TMDL pollutant of concern. The Stormwater Division maintains a good working relationship with NC DEQ, Winston-Salem Regional Office. A copy of every completed inspection and re -inspection form must be forwarded to Levi Hiatt, Assistant Regional Engineer, who handles stormwater related duties for the Winston-Salem Regional Office (WSRO) or the current Assistant Regional Engineer at the time of submittal. 47 14.2 Monitor and Evaluate Stormwater Discharges to Municipal Systems Annual Reporting Task Items for FY 2022— 2023: 1. Continue evaluating industrial facilities that discharge stormwater runoff to the city's MS4 for every inspection conducted. The Stormwater Division will report to DEQ the total number of industries inspected. In addition, the number of industrial facilities that have successfully achieved compliance by the Stormwater Inspector will be reported. This information is located at G:\Industrial Inspection & Municipal Goodhousekeeping\Indust_Inspect\City Industrial Information\Industrial Issues to be Resolved.xlsx. 2. Continue using all sources to maintain the industrial facility master list and update at the designated frequency. 3. The Stormwater Inspector will request all sampling data to be sent to the Stormwater Division, as often as needed to determine compliance. The Stormwater Division will report to DEQ, WSRO discrepancies in tiered responses as well as sampling frequency, based on the received data. 4. Update semiannually the city's Industrial Facilities master database from EPA's Envirofacts Database for Toxic Release Inventory (SARA Title III) (G:\Industrial Inspection & Municipal Goodhousekeeping\Indust_Inspect\City Industrial Information\TRI\TRI Facilities.xlsx) and RCRA (hazardous waste treatment, disposal, and recovery) (G:\Industrial Inspection & Municipal Goodhousekeeping\Indust_Inspect\City Industrial Information\RCRA\RCRA Facilities by Type Current.xlsx). Stormwater staff will report to DEQ the total number of facilities inspected that fall under both RCRA and TRI databases. 5. Update semiannually the city's Industrial Facilities master database NC DEQ Database (General and Individual Permitted industrial facilities, as per 40 CFR 122.26) (GAndustrial Inspection & Municipal Goodhousekeeping\Indust Inspect\City Industrial Information\Industrial Master.xlsx) 6. Updating annually the City of Winston-Salem Facilities' Database of Municipal Operations/Facilities that are permitted under 40 CFR 122.26. Stormwater staff will provide a current master list of general -permitted municipal facilities/operations to DEQ on the annual report. 7. The Stormwater Inspector will maintain and update a spreadsheet that keeps the current number of inspections completed per a permit year. The Stormwater Inspector will send a courtesy copy of each inspection report to the current DEQ, WSRO designated contact, after each inspection report has been reviewed and approved. 48 15. WATER QUALITY ASSESSMENT and MONITORING Obiective: 8. Evaluate the impacts of the MS4 discharges on surface water quality. 15.1 BMPs for Water Quality Assessment and Monitoring BMP Measurable Goals PY 18-19 PY 19-20 PY 20-21 PY 21-22 PY 22-23 RESPONSIBLE POSITIONS The Stormwater Division has created Stormwater Operations Water Quality and implemented a Supervisor a Assessment and water ssesquality assessment and x x x x x Stormwater Monitoring Plan monitoring plan. Technicians The last update was in August 2020. Stormwater Inspector In April 2006, The Water Quality Assessment and Stormwater Operations Monitoring Plan was Supervisor created and implemented. On b Water Quality September 2020, the x x x x x torrnwater Monitoring city of Winston- Technicians Technicians Salem's Water Quality Assessment and Monitoring Plan Stormwater Inspector was submitted to DEQ on October 6, 2020. 15.1(a) Fixed Interval Stream Sampling Program: Water quality samples are collected on a quarterly, fixed interval basis at each monitoring site — thirteen monitoring locations have been strategically selected throughout the municipal boundaries. Samples are collected in a composite method, except for fecal coliforms, which is a grab sample in accordance with 40 CFR 136.3. Composite samples are collected every 15 minutes in 100 milliliter aliquots for a 24 hour period. Parameters analyzed by a multiparameter meter are immediately obtained and recorded streamside. Based on the National Sanitation Foundation's Water Quality Index, Stormwater staff will calculate, rank, and observe water quality trends of these fixed interval sampling sites. This can be found at the following location: G:\Techn—Projects—Files\Water Sampling\Stormwater Sampling Databases. 15.1(a) Water Quality Monitoring Program: On a quarterly basis, we collect instantaneous results at 17 monitoring locations, which have been strategically selected throughout the municipal boundaries of Winston Salem. The overarching goals of this monitoring program are detection of illicit discharges/releases as well as evaluating the long-term trend analysis of baseline water quality within non-TMDL watersheds. Samples are collected in dry and wet weather conditions to detect point sources of illicit discharges as well as determining pollutant loading during all weather conditions. Stormwater staff collects instantaneous water meter parameters, which 49 include ammonia (mg/L), pH (standard units), dissolved oxygen saturation percentage, dissolved oxygen (mg/L), temperature (degrees Celsius), conductivity (microsiemens per a centimeter), total dissolved solids (mg/L), and nitrate (mg/L). This can be found at the following location G:\Techn_Projects_Files\Water Sampling\Stormwater Sampling Databases. 15.1(a) TMDL Monitoring Program: On a quarterly basis, Stormwater staff collects instantaneous water quality parameters (the same parameters listed above) as well as laboratory grab samples of fecal coliforms at 22 strategic locations throughout Brushy Fork Creek, Peters Creek, and Salem Creek Watersheds. By collecting a large population of samples, Stormwater staff will be able to rank impaired stream segments by fecal coliform concentrations. Once stream segments are ranked, staff will systemically sample and identify the most impaired outfalls or subbasins for the potential of installing stormwater control measures. The city collects samples in both dry and wet weather conditions, since the state collected and analyzed fecal coliforms during these conditions for TMDL development. This methodology will allow Stormwater staff to perform comparative analyses for evaluating pollutant loading. 15.2 Water Quality Assessment and Monitoring Annual Report Task Items for FY 2022-2023: 1. Stormwater staff will continue to perform quarterly, fixed interval sampling at 13 locations throughout Winston-Salem for the pollutant parameters of biological oxygen demand, total suspended solids, total dissolved solids, turbidity, cadmium, chromium, nickel, lead, copper (total and dissolved), zinc (total and dissolved), phosphorus (total and dissolved), nitrite, nitrate, total Kjeldahl nitrogen, and fecal coliforms. Stormwater staff will submit all fixed interval sampling data to DEQ (in tabular form). 2. Stormwater staff will continue to perform quarterly water quality monitoring at 17 locations for the instantaneous results of ammonia, pH, and dissolved oxygen saturation percentage, dissolved oxygen, temperature, conductivity, total dissolved solids, and nitrate. Each quarter at least 50 percent of the instantaneous results taken will be during wet weather and the other 50 percent will be during dry weather conditions. 3. Stormwater staff will continue to perform TMDL monitoring at 22 locations for the instantaneous parameters of ammonia, pH, and dissolved oxygen saturation percentage, dissolved oxygen concentration, temperature, conductivity, total dissolved solids, and nitrate. Total suspended solids and fecal coliforms parameters are analyzed at a certified laboratory. Each quarter, at least 50 percent of water samples will be collected during wet weather and the other 50 percent will be collected during dry weather sampling. Stormwater staff will report all TMDL data to DEQ. 4. Priority rankings of impaired stream segments (with any observable trends) of all fixed interval sampling and TMDL sites will be reported to DEQ in the FY 2021-2022 annual report. 5. Stormwater staff will evaluate annual pollutant loadings of fixed interval sampling sites. Any discernible trends or findings will be reported to DEQ. 6. Stormwater staff will calibrate and properly maintain all field instrumentation to ensure the integrity of analyzed water quality data. Calibration and maintenance activities will occur on a monthly frequency, in accordance with appropriate technical manuals. These logs are located at G:\Techn_Projects_Files\YSI and Nitrate Meter Information. 7. When entering water quality data into the Stormwater Division's database, staff will employ quality control and assurances measures to ensure data accuracy and prevent human error. 8. Stream discharge will be calculated during fixed interval sampling events. The calculated flows will be recorded and housed at G:\Techn_Projects Files\Water Sampling\Fix Interval Sampling, Discharge will be used to determine annual pollutant loading within local streams. 50 9. On an annual basis, Stormwater staff will evaluate the city's Water Quality Assessment and Monitoring Plan in term of program effectiveness and submit any major changes to DEQ for approval. 51 16. TOTAL MAXIMUM DAILY LOADS (TMDLs) Salem Creek Watershed TMDL Ob i ectives: 1. The permittee shall determine whether the MS4 discharges to receiving waters within a TMDL watershed and identify the pollutant(s) of concern (POC). For all TMDLs with a NPDES MS4 regulated stormwater waste load allocation (WLA) assigned to the permittee, the permittee shall determine whether the POC have potential to occur in MS4 stormwater discharges. 2. The permittee will utilize BMPs within the six minimum measures and the permittee's TMDL Plan(s) to meet the permittee's assigned NPDES MS4 regulated WLA identified in the approved TMDL to the maximum extent practical and to the extent allowable by law. 3. If subject to an approved TMDL with a NPDES MS4 regulated WLA assigned to the permittee, the permittee will be considered in compliance with the TMDL if the permittee complies with the conditions of this permit, including developing and implementing appropriate BMPs within the six minimum measures to address the permittee's MS4 NPDES regulated WLA to the maximum extent practical (MEP). While improved water quality is expected outcome, the permittee's obligation is to implement BMPs designed to address the NPDES MS4 regulated WLA assigned to the permittee to the maximum extent practical (MEP). The permittee is not responsible for attaining water quality standards (WQS). The Division expects attaining WQS will only be achieved through reduction from all point and nonpoint source contributors identified in the approved TMDL. TMDL Plans (as it pertains to the City of Winston-Salem): If the permittee has an existing TMDL Plan designed to address the NPDES MS4 regulated WLA assigned to the permittee, that includes monitoring to evaluate progress, and which addresses the POC through the six minimum control measures; it satisfies the objectives of this Section. 16.1 Salem Creek Watershed TMDL BMP S mmary Table BMP Measurable Goals PY 18-19 PY 19-20 PY 20-21 PY 21-22 PY 22-23 RESPONSIBLE POSITION/PARTY A comprehensive master plan update of Salem, Field Operations Director Brushy Fork, and Peters Creek Watersheds was in Identify, 2011. GIS data was Describe, and collected, which includes a Map Watershed, perennial streams, major X Civil Engineer Outfalls, and stormwater outfalls, and Streams MS4 conveyance systems. A revised reassessment period should be scheduled Contracted Consultant during FY 2023 - 2024 for these watersheds. 52 The city of Winston Salem Senior Civil Engineer has implemented 13 nonstructural BMPs and Stormwater Operations Evaluate stormwater control measures Supervisor b Existing (SCMs) to reduce fecal X X X X X Measures coliform pollution within the Senior Community Salem Creek Watershed, as Educator well as contributing tributaries. Historical water quality data shows continual fecal Assessment of coliform pollution, with Assistant Stormwater Available most results exceeding 400 Director c Monitoring cfu/100 milliliters. The last X X X Data basic statistical analysis of Stormwater Operations Salem Creek Watershed Supervisor TMDL data occurred in July 2021. The Stormwater Division performed a comprehensive Stormwater Operations program evaluation of its Supervisor TMDL monitoring plan to d Monitoring Plan become more efficient and X X X X X Stormwater Engineering effective. These improved Technicians screening and trending methods were implemented Stormwater Inspector in July 2019. Stormwater Operations The Stormwater Division Supervisor has identified ten Additional nonstructural BMPs and X X X X X Stormwater Engineering e Measures SCMs for pollutant Technicians reduction within the Salem Creek Watershed. Senior Community Educator Stormwater Operations The City's Capital Supervisor Improvement Plan (CIP) f Implementation comprises of six structural X X X X X Plan SCMs/nonstructural BMPs Stormwater Inspector for reducing pollutant loadings. Stormwater Engineering Technicians The Stormwater Division Stormwater Operations uses Excel and geodatabases Supervisor to track and report completed work items, which are directly based on Stormwater Engineering Incremental the six minimum measures. Technicians g Success Stormwater staff anticipates X X X X X that once a critical number of measures has been Stormwater Inspector implemented, instream monitoring will show a decreasing pollutant trend Assistant Stormwater line. Director 53 The Stormwater Division will furnish all completed, supporting documentation to DEQ. This documentation Assistant Stormwater will include all monitoring Director h Reporting and workload data as well as X X X X X any observable trends and/or water quality assessments. Stormwater Operations The Stormwater Division's Supervisor annual report will serve as the reporting mechanism to DE . 16.1(a) Identify, Describe, and Map Watershed, Outfalls, and Streams: The City of Winston-Salem has completed comprehensive watershed masterplan updates of Salem, Brushy Fork, and Peters Creek Watersheds in 2011. GIS data was collected for these TMDL watersheds; survey -grade stormwater MS4 attribute data (e.g., structure type and elevation, pipe diameter and material, etc.) is collected by a contracted North Carolina Registered Surveyor. A consultant, HDR Engineering, performs QA/QC measures on the survey data, extrapolates pipe elevations to integrate flow directional trajectories for tracking IDDE discharges, and then, delivers a complete geodatabase to the Stormwater Division. During this inventory scan, the surveyor and HDR staff collects major discharge outfall (SDO) and stream data. If HDR staff encounters any dry weather flows at major SDOs, the Stormwater Division is notified, and staff evaluates the unidentified flow for pollutants. If pollutants are detected, Stormwater staff tracks and eliminates the illicit source. In addition, the Stormwater Division received hydraulic and hydrological modeling data as well as pollutant loading data for future SCM implementation projects. A revised reassessment date for these watersheds has been tentatively scheduled for FY 2023 - 2024. 16.1(b) Existing Measures: The city of Winston-Salem has implemented various stormwater control measures (SCMs) and nonstructural BMPs in order to reduce fecal coliform loading within the Salem Creek Watershed. During FY 2022-2023, the Stormwater Division continued to maintain these programmatic SCMsBMPs: Existing Measures Status Explanation to Reduce Pollutant of Concern Utilities Construction & Maintenance 80 percent of the City's sewer collection Division system uses gravity for transporting sewage *Pipe Bursting and Slipping Program to the POTW. As a result, significant *Lift Station Repair and Rehabilitation 100 percent complete; portions of sewer truck lines are positioned Program on -going operation adjacent to streams. Targeted rehabilitation * Flood Reduction Projects —Inflow and projects will be prioritized based upon Infiltration constitutes of SSOs, such as grease, roots, and infrastructure age. Illicit Discharge Detection and Elimination By proactively finding sanitary sewer Program (IDDE) - the Stormwater Division overflows (SSOs) and reducing the quantity performs stream sampling at 39 designated of sewage, the amount of fecal coliform locations throughout Winston-Salem on a 100 percent complete pollution is minimized. As a result, the quarterly frequency. Of the 39 total with on -going regeneration of fecal coliform bacteria locations, 22 sites are strategically situated in programmatic, permit within the stream matrix is reduced, which facilitates the recovery of the biotic Salem, Brushy Fork, and Peters Creek activities ecosystem at a more rapid rate. Watersheds. 54 Stream Walking (IDDE Program By proactively fmding and eliminating Component) —For PY 2021-2022, the Component) Division has contracted he StormwaterEngineering 100 percent complete illicit sewer discharges and connections, to perform stream -walking with on -going staff reduces the quantity of sewage within designated, impaired waterways. programmatic, permit released to surface waters. As a result, the SDO dry weather flows are referred to activities total amount of released fecal coliform Stormwater staff for further investigation. pollution is reduced. Public Education — Scoop -the -Poop By making pet owners aware of the campaign for fecal coliform reduction. The detriment of fecal coliform pollution, the public educator highlights the detriments of 100 percent complete; Stormwater Division wishes to facilitate a fecal coliform pollution within a riverine ecosystem as well as `factoids' of feces (e.g., on -going permit behavioral change in citizens. If citizens the amount of fecal coliform bacteria per a activities remove feces from the open environment, gram of fecal matter, the average weight of a the exposure of fecal coliform bacteria to do 's bowel movement, etc. stormwater runoff has been eliminated. Pet Waste Stations - the Senior Community Stations provide ease of access for pet Educator has identified pet waste collection owners to discard fecal waste and remove stations within green spaces throughout from the open environment. To encourage Winston-Salem, including the downtown 100 percent complete; participation, the City furnishes waste bags area. 35 of these 48 pet waste stations are in continuous operation to the public, which are positioned on top of the Salem, Brushy Fork, and Peters Creek the waste reticle. By eliminating the Watersheds. exposure of fecal matter to the runoff, bacteria are not discharged into waterways Pet Waste Ordinance — the City of By requiring pet owners to pick up fecal Winston-Salem has a forcible ordinance that 100 percent complete; matter from their pets, the exposure of requires pet owners to pick up fecal matter continuous operation stormwater runoff to fecal coliforms has within its municipal boundaries. been eliminated, thus reducing the fecal pollution load to receiving waters. Erosion and Sediment Control Ordinance Fecal coliforms are transported to receiving - the City of Winston-Salem continues to waters by soil particles. In addition, fecal enforce its Sediment and Erosion Control coliform bacteria become resuspended once Ordinance, as per the 1973 Sedimentation 100 percent complete; discharged into the water matrix. As asult, Control Act. Erosion control devices must continuous operation result,fecal coliform bacteria proliferate at increased rate and degrade surface waters an be installed and maintained for disturbed more rapidly. Thus, a decreased sediment areas greater than 20,000 for SFD/10,000 load yields reduced fecal coliforms to commercial square feet to retain soils on -site. receiving waters. SUSTAIN Modeling Study — HDR Engineering preformed an EPA SUSTAIN Based upon screening criteria, the model for the Salem Creek Watershed. consultant determined that eleven sites Eleven SCMs were identified for potential could be retrofitted or installed for installation or retrofit opportunities. 100 percent complete bioretention cells or stormwater wet ponds. Washington Dog Park is the top prioritized The modeling results showed that these water quality CIP — this project was eleven sites might produce a 1.9 percent completed in late 2019. reduction of fecal coliform pollution. The associated costs would total $15,113,135. 55 City Yard, Field Operations assesses and prioritizes earthen conveyance swales for ribbed and paved roadways. A private Ditch Repair and Stabilization Program — percent complete; contractor restores channel capacity to the the Streets Division hires a private contractor on tinuous oeration continuous ditch by removing trash, sediment, or to repair and stabilize ditches within the excessive vegetation. If needed, the public right-of-way. contractor reestablishes vegetative cover within the ditch line to eliminate sedimentation to receiving waters. The City of Winston- Salem offers its citizens 70/30 Cost Share Drainage Improvement a cost share program for Projects on Private Property — the city of public assistance to The Stormwater staff offers advice to Winston Salem participates in repairing mitigate drainage issues residential property owners regarding private drainage conveyances, structures, or on private property. stream stabilization techniques and channels. The City pays 70 percent of total One of the project practices to reduce erosion. costs - the private party pays the remaining qualifying criteria is 30 percent. severe erosion of earthen conveyances or stream banks. Fats, Oil, and Grease (FOG) Reduction Grease and oil are the second -leading cause Program — the City/County Utilities of sewer overflows that reach surface waters Division has adopted and implemented a within the City of Winston-Salem. By FOG Reduction Program to remove excess percent complete; requiring grease/oil interceptors to be cooking and petroleum oils and grease prior continuous operation o continuous properly maintained, these passive devices to entering the sewer collection system. can effectively retain grease from entering Responsible parties must have their the sewer collective system. As a result, the grease/oil separators pumped out by licensed quantity of released sewage (and fecal haulers at scheduled frequencies. coliforms) is reduced to streams. Washington Dog Park — a bioretention cell 100 percent complete The Washington Dog Park is located within will receive the first inch of stormwater and in continuous 75 feet of Salem Creek's top of bank. The runoff from the upland drainage area. Storm operation. SCM has park is the only and most heavily used dog flows greater than the first inch will be diverted to Salem Creek. Vegetative been designated for first recreational area within Winston-Salem. A Management and Streets Drainage Divisions year inspection with pet waste receptacle is positioned at the will perform routine maintenance on the sand possible maintenance park's only access point. filter. activities. The wetland receives stormwater runoff Blum Park Wetland — a stormwater from a drainage area of 168 acres, which is wetland, within the Upper Peters Creek 100 percent complete very diverse in upland land usage. Land Watershed, that was constructed and placed and in continuous uses of the drainage basin include light on-line during PY 2015 - 2016. This 1.3- operation. SCM has industrial, commercial business, acre wetland was designed to receive the first been designated for institutional, and high density residential. inch of rainfall from the upland drainage inspection and These land uses have potential to export area; this wetland serves as a focal point for maintenance activities. nutrients, fecal coliforms, thermal, and the surrounding neighborhood. metal pollutants, thus validating the need for this SCM. 56 16.1(c) Assessment of Available TMDL Monitoring Data: The Stormwater Division performed a programmatic review of its TMDL Sampling Plan in September 2019. One of the salient points of the review included the lack of a substantial fecal coliform data population. As a result, the Stormwater Division designated 22 in -stream monitoring locations throughout Salem, Peters, and Brushy Fork Watersheds. Stormwater staff collects water quality samples on a quarterly basis; as more data becomes available, Stormwater staff will perform basic statistical analyses to rank the stream segments by the level of impairment (i.e., the higher the geometric mean at the sampling location, the more level of pollutant loading). Stormwater staff calculated the geometric mean (expressed in units of cfu/100 mL) for the 22 TMDL sites and created a priority ranking, based upon the most polluted stream segments. As more data becomes available, Stormwater staff will perform basic statistical analyses to rank the stream segments by the level of impairment (i.e., the higher the geometric mean at the sampling location, the increased level of pollutant loading). 16.1(d) TMDL Monitoring Program: On a quarterly basis, Stormwater staff collects instantaneous water quality parameters (dissolved oxygen - concentration and percent saturation, total dissolved solids, conductivity, temperature, pH, nitrate, and ammonia) as well as certified laboratory results of fecal coliforms at 22 strategic locations throughout Brushy Fork Creek, Peters Creek, and Salem Creek Watersheds. By collecting a large population of samples, Stormwater staff will be able to rank impaired stream segments by fecal coliform concentrations. Once stream segments are ranked, staff will systemically sample and identify the most impaired outfalls or subbasins for the potential of installing stormwater control measures. The city collects samples in both dry and wet weather conditions, since the state collected and analyzed fecal coliforms during these conditions for TMDL development. This methodology will allow Stormwater staff to perform comparative analyses for evaluating pollutant loading. 16.1(e) Additional Measures: The city of Winston-Salem anticipates the implementation of numerous nonstructural BMPs in order to expand current pollutant reduction strategies within the Salem Creek Watersheds. By expanding current BMP strategies to the maximum extent practical, the City hopes to benefit from synergic pollutant reductions within the targeted watershed. The following matrix presents expanded measures (with corresponding explanations) to reduce fecal coliform loadings within the Salem Creek Watershed: Additional Measures Explanation of Designed Measures to Achieve MS4's NPDES WLA to the MEP Responsible Staff for Implementation By evaluating current business practices, the Perform Goodhousekeeping Stormwater Division wishes to provide local Awareness Education with shelters with new or modified cleaning methods to Senior Community Educator local Animal Shelters prevent or eliminate fecal coliform exposure to the open environment. 57 Perform a collaborated awareness program with the city's Parks and Recreation for The Stormwater Division wishes citizens to have a signage and pet waste heightened awareness of the detrimental effects of collection stations at bacterial pollution to receiving waters. Thus, the Senior Community Educator frequently used municipally overarching goal of this measure is to highlight the owned areas. In addition, a importance of collecting pet waste and eliminating stormwater representative will the exposure of fecal coliforms to runoff. perform on -site educational presentations with park users. Facilitate a private -public By having readily access to disposal bins, the partnership for pet waste receptacle placement in Stormwater Division anticipates targeted residents Senior Community Educator common areas of high -density to use waste stations rather than leaving fecal residential housing. matter on the ground. Evaluate municipal operations The goal of this measure entails the modification and facilities (e.g., Winston of work practices to eliminate fecal coliform Stormwater Inspector Golf Course, City Yard Dewatering Facility, etc.) for exposure to the environment. By eliminating fecal opportunities of fecal coliform coliform exposure, the overall waste load Other City Divisions reduction. allocation is reduced. Forsyth County Department of Explore new methodologies of By utilizing GIS tools in conjunction with issued Health locating and removing failing septic tank permits, the Stormwater Division septic tank systems from anticipates being able to proactively locate Stormwater Operations discharging discharging into receiving potential `hot spots' of septic tank failures. Supervisor Stormwater Technicians By validating fecal coliform pollutant Perform water quality concentrations, the Stormwater Division can Stormwater Technicians sampling from municipally justify and prioritize capital improvement funds owned properties SDOs that for structural control measure expenditures. The Stormwater Inspector have a great potential to Stormwater Division can maximize the pollutant discharge fecal coliforms. removal efficiency per dollars spent. An overall Stormwater Operations reduction to the City's WLA is expected from Supervisor im leme ing structural control measures. Explore the potential to Due to the nature of some municipal operations, Stormwater Inspector perform street sweeping fecal coliform bacteria have the potential to be activities in potential `hot discharged into receiving streams. By Other City Divisions spot' areas within impaired commencing street sweeping activities at these watersheds that focuses on selected areas, the city will eliminate or mitigate Field Operations Director fecal coliform reduction. pollutant loading to surface waters. Aging infrastructure creates conditions that permit Continued rehabilitation of fecal coliform pollution to persist, which include Utilities Construction & infrastructure collection hydraulic overloading, sedimentation due to Maintenance Division systems (sanitary sewer and structural failures, and riverine flooding. stormwater) for continuous Rehabilitation improvement projects will reduce and effective operation. fecal coliform loading by eliminating failure Field Operations, City Yard causes. 58 16.1(f) Implementation Plan: The city of Winston-Salem plans to implement the following structural and nonstructural BMPs in order to reduce fecal coliform pollution within the Salem Creek Watershed, in accordance with permit requirements. Structural/Nonstructural Control Measures Explanation of Desired Outcomes Status and Schedule The three sand filters were inspected by the Stormwater Engineer in November 2021 — all Sanitation Collection Truck These SCMs are designed to infiltrate three sand filters have failed and require extensive maintenance Storage Yard — stormwater runoff is stormwater runoff through an engineered sand activities to return to a properfunctional conveyed from Sanitation's garbage media to facilitate pathogen die -off, thus, condition. Funds will truck storage lot into three sand filters reducing fecal coliform loading to Brushy need to be encumbered for for infiltration treatment. Fork Creek. rehabilitation services. Stormwater staff anticipates securing needed funds in FY 2022-2023. TMDL Monitoring Plan — a program evaluation was performed by staff, which revealed several By incorporating new procedures into its New sampling procedures have information gaps within the Monitoring Plan, the Stormwater Division will been finalized with Stormwater monitoring plan. To devise a clearer be able to prioritize drainage areas for staff with training completed and effective strategic TMDL stormwater management controls. In addition, regarding program amendments. masterplan, the Stormwater Division Stormwater staff becomes able to determine The new sampling procedures has implemented more sampling the appropriate nonstructural/structural control were implemented in September locations to identify fecal coliform measures for implementation. 2019. sources from contributing drainage areas. The masterplan serves as a long-term strategic Salem Creek Structural Control blueprint to achieving the MS4's waste load This SCM masterplan was Masterplan — a consultant performed allocation. By strategically placing structural completed and delivered to the an assessment of the Salem Creek control measures on sites with high pollutant Stormwater Division in July of Watershed to generate a prospective loadings, the Stormwater Division can validate 2013. The first water quality list of sites for SCM placement. the cost-effectiveness and removal efficiency project, Washington Dog Park Once identified, computer modeling to the public, elected officials, and the City Sand Filter, was completed and was used to develop a priority Manager's Office. In addition, the Stormwater operational in January 2020. 15 ranking system for SCM type, size, Division may develop a long-term capital sites are remaining for SCM and projected costs. improvement project performa spending plan retrofit/installation opportunities. for Council's approval. The leachate from street sweeping and MS4 City Yard Dewatering Facility — as cleaning activities is elevated in nutrients, a byproduct of street sweeping and metals, BOD, and fecal coliform pollutants. This capital improvement project MS4 cleaning operations, the By placing dewatering operations under roof, is estimated to cost collected debris, trash, and particulate and discharging leachate to the sanitary sewer, approximately $300,000 with a matter must be dewatered prior to the exposure of these pollutants to the open projected completion date of disposal at the appropriate, licensed environment will be eliminated. The City December 2023. landfill. Yard Dewatering Facility will be constructed in the Salem Creek Watershed, where current dewatering operations reside. 59 16.1(g) Incremental Success: The Stormwater Division utilizes various mechanisms to document, analyze, and report incremental successes to achieve WLA reduction. The methodology used for documenting measure success (and ultimately, wasteload reduction) depends on measure type (i.e. nonstructural and structural). However, the Stormwater Division has proposed the below -posted means for validating pollutant reduction loading to the effectiveness of implemented control measures. These methods include: • Perform water quality sampling for targeted pollutants at the inlet and outlet points of a SCM during the first flush portion of a storm event. Once a SCM is constructed and operational, Stormwater staff will perform, at a minimum, one confirmation sampling event, to validate pollutant reduction. The pollutant removal efficiency will be recorded on a spreadsheet; an annual pollutant reduction will be extrapolated for the SCM. • Continue to submit completed workload data and programmatic task items to DEQ via the Annual Report. • Long-term, in -stream pollutant data will need to be collected, at designated sampling locations, to observe pollutant deductions in wasteload allocation reductions within subwatersheds. Due to the dynamic nature of biological ecosystems as well as the large percentage of pollutant reduction required, the Stormwater Division needs a substantial data population to observe percent reductions. As the number of SCMs/BMPs increases within a subwatershed, the Stormwater Division anticipates that the observable, pollutant trend line should decrease. • Whenever possible, use scientific journal articles (or similar professionally peer -reviewed literature), quality controlled/assured laboratory analyses (from a North Carolina certified laboratory), or professional engineered -sealed material when validating reduction methodologies for this TMDL Implementation Plan. Any best professional assumptions must be qualified with footnotes within supporting documents. 16.1(h) Annual Reporting: In order to evaluate program effectiveness, the Stormwater Division will submit the following documentation to show fecal coliform reduction within the Salem Creek Watershed. These annual assessment results will be submitted to DEQ via the annual report. This documentation includes: • Spreadsheet data of fecal coliform concentrations from all 22 TMDL sampling locations as well as a priority ranking of impaired stream segments, based on annual geometric mean. • Basic statistical data analysis for Salem Creek based on the annual geometric mean, from Fall 2019 to Summer 2021. • Completed programmatic tasks and workload data that bolster pollutant reduction activities within the Salem Creek Watershed (and contributing tributaries). • Status updates of proposed/completed SCM capital improvement projects/nonstructural BMPs within the Salem Creek Watershed (and contributing tributaries). M 16.2 Salem Creek Total Maximum Daily Load (TMDL) Annual Report Task Items for FY 2022- 2023: 1. Record the total distance (in linear feet) of restored drainage ditches within the Salem Creek Watershed (and contributing tributaries) for total suspended solid reduction. 2. Review the city's street sweeping operations and explore that potential to increase the area (or distance) swept within the Downtown Business District as well as additional municipal facilities. Stormwater staff will report the total number of linear miles swept to DEQ. 3. During TMDL sampling, instantaneous results of ammonia, pH, and dissolved oxygen percent saturation, dissolved oxygen concentration, temperature, conductivity, total dissolved solids, and nitrate are collected. This data will be provided for DEQ. This information is located at G:\Techn_Projects_Files\Water Sampling\Stormwater Sampling Databases\Current 4. Perform IDDE response procedures within the impaired Salem, Brushy Fork, and Peters Creek Watersheds to permanently eliminate pollutant sources, remove illicit connections, and to identify sanitary sewer overflows. The Stormwater Division will report the total number of linear feet of walked streams within the Salem Creek Watershed (and contributing tributaries) to DEQ. In addition, Stormwater will report the total number of discovered sanitary sewer overflows, the number of illicit discharge responses and corresponding issued NOVs within the Salem Creek Watershed to DEQ. Submit a spreadsheet data of fecal coliform concentrations from all 22 TMDL sampling locations as well as a priority ranking of impaired stream segments, based on annual geometric mean, to DEQ. 6. Submit all completed programmatic tasks and workload data that bolster pollutant reduction activities within the Salem Creek Watershed (and contributing tributaries) to DEQ. 7. Status updates of proposed/completed SCM capital improvement projects/nonstructural BMPs within the Salem Creek Watershed (and contributing tributaries) to DEQ. 8. Stormwater staff calculated the geometric mean (expressed in units of cfu/100 mL) for the 13 fixed interval sampling sites, based upon the most polluted stream segments for fecal coliforms. The top three polluted stream segments (during dry weather conditions) are Mill Creek at Shattalon Drive (4,970), Peters Creek Peters Creek at the Antique Dealership (3,054), and Brushy Fork Creek (890) at Reynolds Park Road. No water samples were obtained during wet weather conditions due to an overabundance of divisional workload. When evaluating concentrations for the past two permit years, Stormwater staff observed that two of the three sites, Peters Creek at the Antique Dealership and Brushy Fork Creek at Reynolds Park Road are the most polluted for fecal coliforms (during dry weather conditions). As of September 2022, HDR Engineering is performing stream reconnaissance activities of Peters Creek — from Hanes Park to the Antique Dealership. Once Stormwater staff receives reconnaissance survey results, staff will review and evaluate all fecal coliform sources for appropriate mitigation measures. For PY 2022-2023, Stormwater staff will focus investigative efforts within Brushy Fork Creek from Old Greensboro Road to Reynolds Park Road. 61 16.3 Muddy Creek Watershed TMDL In November 2011, the North Carolina Department of Environment and Natural Resources (NCDENR) issued a final report for turbidity impairment of the Muddy Creek Watershed. The Muddy Creek TMDL designates the City of Winston-Salem's MS4 as a significant contributor of turbidity (i.e. total suspended solids) pollution. A waste load allocation (WLA) was not assigned to the City's NPDES permit; however, total suspended solids loading (ton per a day) must be reduced by 58 percent. In accordance with its NPDES permit, the city must evaluate strategies and adapt BMPs to reduce TSS loading within the Muddy Creek Watershed. The Stormwater Division performed a BMP assessment and selected appropriate reduction strategies to mitigate TSS pollution. These selected BMPs are posted in the below table. 16.4 Muddy Creek Watershed TMDL BMP Summary Table Selected BMP Strategies Explanation of Desired Outcomes Inspection Regime for permitted Construction Muddy Creek Watershed is experiencing an influx of construction Sites — In order to ensure off -site sedimentation activities due to land availability and improving economic does not occur, Erosion Control staff performs conditions. Erosion Control staff inspect and maintain site routine field inspections for site compliance. measures. As a result, the Erosion Control Division anticipates a reduction of off -site sedimentation. A consultant has completed a comprehensive watershed masterplan Comprehensive Watershed Masterplan Update — of the Muddy Creek Watershed in 2017. This masterplan evaluated The Stormwater Division contracted HDR numerous TSS exportation sources, such as stream bank erosion, Engineering to inventory, assess, and model the compromised infrastructure and outfalls, and potential areas of Muddy Creek Watershed. future development. This tool guides staff to assess, prioritize, and repair identified projects, thus ultimately removing sedimentation sources. Industrial Inspection Program - In accordance The city of Winston-Salem has 90 state -permitted facilities within its with NPDES requirements, Stormwater staff municipal boundaries. Many of these facilities must monitor TSS performs facility inspections to eliminate pollutant concentrations within their stormwater discharge. If benchmark loadings to the MS4 or local streams. values are exceeded, the permitted facility must implement additional BMPs to reduce TSS loading. Municipal Goodhousekeeping Inspection Program — In accordance with NPDES requirements, Stormwater staff performs municipal Stormwater staff assesses municipal operations for reducing or facility/operations audits to eliminate pollutant eliminating TSS pollutant loadings to the MS4/receiving waters. loadings to the MS4 or local streams. 70/30 Cost Share Drainage Improvement Projects on Private Property — the City of The city of Winston-Salem offers its citizens a cost -share program Winston Salem participates in repairing private for public assistance to mitigate drainage issues on private property. drainage conveyances, structures, or channels. The One of the project qualifying criteria is severe erosion of earthen City pays 70 percent of total costs; the private party conveyances or stream banks; erosion is a sediment -gain source to pays the remaining 30 percent. receiving waters. Field Operations assesses and prioritizes earthen conveyance swales Ditch Repair and Stabilization Program — the that serve as drainage for ribbed and paved roadways. A private Streets Division hires a private contractor to repair contractor restores channel capacity to the ditch by removing trash, and stabilize ditches within the public right-of-way. sediment, or excessive vegetation. If needed, the contractor reestablishes vegetative cover within the ditch line in order to eliminate offsite sedimentation to receiving waters. 62 Fixed Interval Monitoring Sites — the Stormwater By collecting and evaluating TSS concentrations at the lower drain Division samples 13 fixed interval locations, which point from each major watershed (or subwatershed); Stormwater are placed the bottom of each watershed (or major subwatershed) to observe the accumulated effects staff will be able to determine the most sediment -laden waterways. sediment sources. Total suspended solid (TSS) A ranking of most impaired streams will be developed, and then samples are collected during dry and wet weather staff can commence up -gradient stream sampling of the most conditions, so staff can determine the most impaired segments. Lastly, Stormwater staff should be able to sediment -laden waterways within the city of isolate sediment sources within subbasins for placement of Winston-Salem. appropriate stormwater control measures. Illicit Discharge Detection and Elimination Staff has created a comprehensive, watershed -specific library of Program (IDDE) - the Stormwater Division pollutant parameters, based upon historical laboratory data. For performs stream sampling at 39 designated locations throughout Winston-Salem on a quarterly Muddy Creek Watershed, staff will commence an illicit discharge frequency. Stormwater staff monitors for any investigation, if total dissolved solids (a pollutant parameter detectable illicit discharges, which includes surrogate) exceed 400 mg/L or visible sediment sources (during dry sediment sources. weather conditions). Public Education and Outreach Activities of TSS Pollution? 16.5 Muddy Creek Total Maximum Daily Load (TMDL) Annual Report Task Items for FY 2021- 2022 The Stormwater Division will report the total number of inspected (and reinspected) active construction sites to DEQ. In addition, the number of issued Notice of Violations (and successfully resolved) for offsite sedimentation in Muddy Creek Watershed will be reported to DEQ. 2. Stormwater staff will review HDR Engineering's field assessments of Muddy Creek and develop a prioritization plan for potential projects. A targeted sediment source, destabilized streambanks, is potential candidate for project consideration. 3. The Stormwater Inspector will prioritize industrial inspections within the Muddy Creek Watershed that perform analytical monitoring for total suspended solids (TSS). Stormwater staff will report the total number of completed industrial inspections within the Muddy Creek Watershed to DEQ. 4. The Stormwater Inspector will inspect municipal operations/facilities within the Muddy Creek Watershed that have the potential to export TSS to the MS4 or receiving waters. Stormwater staff will report the total number of completed municipal inspections within the Muddy Creek Watershed to DEQ. The Stormwater Division will record the total distance of restored private property ditches, in accordance with implemented 70/30 cost -share improvement projects. 6. The Stormwater Division will report the total linear feet of stabilized ditches within the city of Winston-Salem to DEQ. 7. The Stormwater Division will report the total linear miles of street sweeping activities for public roadways within the city of Winston-Salem to DEQ. 63 8. Stormwater staff will report the number of detected or responded illicit discharges (and successfully resolved) within the Muddy Creek Watershed to DEQ. 9. Stormwater staff calculated the arithmetic mean (expressed in units of milligrams per a liter) for 13 fixed interval sampling sites and created a priority ranking, based upon the most polluted stream segments. The top three polluted stream segments (during dry weather conditions) are Salem Creek at Fraternity Church Road (20.8 mg/L), Lower South Fork Creek at Ebert Road (11.5 mg/L), and Muddy Creek at Frye Bridge Road (10.3 mg/L). No water samples were obtained during wet weather conditions due to an overabundance of divisional workload. When evaluating TSS concentrations for the past two permit years, Stormwater staff observed that two of the three sites, Lower South Fork at Ebert Road, and Muddy Creek at Frye Bridge Road, are the most polluted for suspended solids. For PY 2022-2023, Stormwater staff will focus investigative efforts within these two stream segments for identification of sediment -laden sources. 64 APPENDIX 0 65 Appendix A Field Operations Department Stormwater and Erosion Control Divisions Keith Huff Field Operations Director Organizational Chart Andy Allen Assistant Stormwater Director Vacant Stormwater Operations Analyst Todd Love Sr. Civil Engineer Joe Fogarty Stormwater Engineer Neil Uldrick Civil Engineer Vicki Pigg Stormwater Operations Analyst Andy Szabat Senior Community Educator Ladonta Clark Stormwater Operations Supervisor Matt Osborne Erosion Control/Floodplain Manager Vacant Stormwater Inspector Robert Dockery Stormwater Technician Nicholas Hole Stormwater Technician Kent Wall Erosion Control Inspector David Evans Erosion Control Inspector Wesley Williams Erosion Control Inspector Ronnie Holbrook Erosion Control Inspector 66