MS4 ANNUAL REPORT a Summary of Permit Year 4
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MS4 ANNUAL REPORT A Summary of Permit Year 4 Chesterfield County, Virginia VSMP Permit No. VA0088609 March 2019 Chesterfield County, Virginia Permit No. VA0088609 2018 MS4 Annual Report – PY4 Table of Contents TABLE OF CONTENTS ............................................................................................................................................... I List of Tables............................................................................................................................................................... ii List of Abbreviations .................................................................................................................................................. iii List of Appendices....................................................................................................................................................... v SECTION 1. BACKGROUND INFORMATION ............................................................................................................. 1 a) The Permittee and Permit Number ..................................................................................................................... 1 b) Modifications to the MS4 Program Plan ............................................................................................................. 1 c) Reporting Dates .................................................................................................................................................. 1 d) Certification as per Part II.K. ............................................................................................................................... 2 SECTION 2. STORMWATER MANAGEMENT IMPLEMENTATION ............................................................................. 3 Part I.B.1. Planning ..................................................................................................................................................... 3 Part I.B.2.a) Construction Site Runoff and Post Construction Runoff from Areas of New Development and Development on Prior Developed Lands ............................................................................................................. 4 Part I.B.2.b) Retrofitting on Prior Developed Lands ................................................................................................... 6 Part I.B.2.c) Roadways ............................................................................................................................................... 7 Part I.B.2.d) Pesticide, Herbicide and Fertilizer Application ....................................................................................... 8 Part I.B.2.e) Illicit Discharges and Improper Disposal .............................................................................................. 10 Part I.B.2.f) Spill Prevention and Response .............................................................................................................. 11 Part I.B.2.g) Industrial and High Risk Runoff ............................................................................................................ 12 Part I.B.2.h) Storm Sewer Infrastructure Management ........................................................................................... 14 Part I.B.2.i) County Facilities .................................................................................................................................... 17 Part I.B.2.j) Public Education/Participation .............................................................................................................. 18 Part I.B.2.k) Training ................................................................................................................................................ 20 Part I.B.2.l) Water Quality Screening Programs ....................................................................................................... 21 Part I.B.2.m) Infrastructure Coordination ................................................................................................................ 23 SECTION 3. MONITORING PROGRAM REPORTS ................................................................................................... 24 Part I.C.1. Biological Stream Monitoring .................................................................................................................. 24 Part I.C.2. In-Stream Monitoring .............................................................................................................................. 24 Part I.C.3. Floatables Monitoring ............................................................................................................................. 25 Part I.C.4. Structural and Source Controls Compliance Monitoring and Tracking .................................................... 26 SECTION 4. TMDL IMPLEMENTATION .................................................................................................................. 27 Part I.D.1. Chesapeake Bay Special Condition .......................................................................................................... 27 Part I.D.2. TMDL Action Plans other than the Chesapeake Bay TMDL ..................................................................... 29 SECTION 5. SPECIFIC REPORTING REQUIREMENTS ............................................................................................... 30 Part I.A.2. Permittee Responsibilities ....................................................................................................................... 33 Part I.A.4. MS4 Program Resources ......................................................................................................................... 33 Part I.A.5. Permit Maintenance Fees ........................................................................................................................ 33 Part I.A.7. MS4 Program Review and Updates ......................................................................................................... 33 Table of Contents i Chesterfield County, Virginia Permit No. VA0088609 2018 MS4 Annual Report – PY4 List of Tables Table 1. Land Disturbance and Single-Family Residence Permits Issued and the Associated Disturbed Acres ................................................................................................................................................ 4 Table 2. Land Disturbance Activity Inspections and Number and Type of Enforcement Actions ................................................................................................................................................................. 4 Table 3. Project Construction Status Updates ............................................................................................ 6 Table 4. Permittee Properties Covered Under Turf and Landscape Nutrient Management Plans ..................................................................................................................................................................... 9 Table 5. Sanitary Sewer Inspections ........................................................................................................... 10 Table 6. IHRR Program Inspections Performed ..................................................................................... 12 Table 7. IHRR Program Discharges Referred to DEQ .......................................................................... 13 Table 8. Stormwater Inspections, Maintenance, and Repairs .......................................................... 15 Table 9. Activities Performed for Privately Maintained Facilities ................................................. 15 Table 10. List of Floatable Monitoring Sites ............................................................................................ 25 Table 11. Control Measures Implemented for the Chesapeake Bay TMDL Through PY4 .... 27 Table 12. Control Measures Implemented and Estimated Reduction Achieved for the Chesapeake Bay TMDL in PY4 ................................................................................................................ 28 Table 13. Control Measures Expected to be Implemented for the Chesapeake Bay TMDL in Next Reporting Year ................................................................................................................................... 28 Table 14. Location of Specific Reporting Requirements within the Annual Report ............... 30 List of Tables ii Chesterfield County, Virginia Permit No. VA0088609 2018 MS4 Annual Report – PY4 List of Abbreviations BI Department of Building Inspections BMP Best Management Practices Chesterfield County General Services - Building and Grounds BUILDING & GROUNDS Maintenance Division CE Chesterfield County Department of Community Enhancement CEU Continuing Education Unit CIP Capital Improvement Plan DEE Chesterfield County Department of Environmental Engineering DEQ Virginia Department of Environmental Quality Chesterfield County Department of Environmental Engineering DRAINAGE - Watershed Management Division Drainage Section DMR Discharge Monitoring Reports ELM Enterprise Land Management ESC Erosion and Sediment Control EXTENSION Chesterfield County Cooperative Extension FIRE & EMS Chesterfield County Fire & Emergency Medical Services Chesterfield County Fire & Emergency Medical Services - Fire FIRE MARSHAL Marshal's Office Chesterfield County General Services - Fleet Management FLEET Division HPMF High Priority Municipal