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County of Riverside Santa Margarita Region Stormwater Management Plan

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County of Riverside Santa Margarita Region Stormwater Management Plan COUNTY OF RIVERSIDE SANTA MARGARITA REGION STORMWATER MANAGEMENT PLAN JULY 2005 COUNTY OF RIVERSIDE SWMP TABLE OF CONTENTS SECTION PAGE 1.0 EXECUTIVE SUMMARY ....................................................................................................................... 1 2.0 INTRODUCTION TO THE COUNTY OF RIVERSIDE STORMWATER MANAGEMENT PLAN............................ 2 2.1 Program Overview ....................................................................................................................... 2 2.2 Description of MS4 ...................................................................................................................... 2 3.0 PROGRAM MANAGEMENT .................................................................................................................. 4 3.1 County Departmental Responsibilities......................................................................................... 4 3.2 Watershed and County Cooperative Activities ............................................................................ 4 3.3 Fiscal Analysis ............................................................................................................................. 8 3.4 Legal Authority ............................................................................................................................ 9 3.5 Enforcement ............................................................................................................................... 10 4.0 ELIMINATION OF ILLICIT CONNECTIONS AND ILLEGAL DISCHARGES ................................................... 12 5.0 MUNICIPAL FACILITIES AND ACTIVITIES ............................................................................................ 15 5.1 Planning County Facilities ......................................................................................................... 15 5.2 County Construction Activities ..................................................................................................15 5.3 Operation and Maintenance of County Facilities....................................................................... 15 5.4 Fire BMPs .................................................................................................................................. 16 5.5 Training for County Maintenance Employees ........................................................................... 16 5.6 Assessment of Effectiveness ...................................................................................................... 16 6.0 DEVELOPMENT PLANNING................................................................................................................ 17 6.1 Introduction ................................................................................................................................ 17 6.2 General Plan ............................................................................................................................... 17 6.3 CEQA Environmental Review Process...................................................................................... 19 6.4 Development Project Review, Approval, and Permitting .......................................................... 20 6.5 Training ...................................................................................................................................... 25 6.6 Assessment of Effectiveness ...................................................................................................... 26 7.0 PRIVATE DEVELOPMENT CONSTRUCTION ACTIVITY........................................................................... 27 7.1 Description of Pollution Prevention Methods ............................................................................ 27 7.2 Construction Site Inventory........................................................................................................ 27 7.3 Construction Site Inspection ...................................................................................................... 27 7.4 Assessment of Effectiveness ...................................................................................................... 29 i COUNTY OF RIVERSIDE SWMP 8.0 INDUSTRIAL AND COMMERCIAL SOURCES ........................................................................................ 30 8.1 Industrial/Commercial Facility Database................................................................................... 30 8.2 SMR Minimum BMPs for Industrial/Commercial Facilities ..................................................... 30 8.3 industrial/commercial facility inspection program..................................................................... 36 8.4 Assessment of Effectiveness ...................................................................................................... 36 9.0 RESIDENTIAL SOURCES ................................................................................................................... 38 9.1 High Priority Residential Activities ........................................................................................... 38 9.2 Enforcement ............................................................................................................................... 40 9.3 Assessment of Effectiveness ...................................................................................................... 40 10.0 PUBLIC EDUCATION AND OUTREACH................................................................................................ 41 11.0 MONITORING PROGRAM................................................................................................................... 43 12.0 PROGRAM REPORTING, EVALUATION, AND REVISION........................................................................ 45 List of Tables Table 3-1. SWMP Departmental Responsibilities................................................................................................ 6 Table 3-2. Ordinances Providing Legal Authority ............................................................................................. 10 Table 6.1 General Plan Consideration of Water Quality and Watershed Protection Principles......................... 18 Table 7-1. Construction Site Inspection Frequencies......................................................................................... 28 Table 8-1. Minimum BMPs for Non-CAP Activities or Facilities..................................................................... 31 List of Figures Figure 2-1. SWMP Program Elements................................................................................................................. 3 Figure 3-1. SWMP Organizational Chart............................................................................................................. 5 Figure 3-2. Fiscal Analysis of Capital Expenditures and O&M Costs................................................................. 8 Figure 6-1. Checklist – Projects Requiring Project-Specific WQMPs...............................................................22 Appendices A Certification of Legal Authority B Grading Ordinance Revisions C Inventory of Municipal Facilities D Schedules for Municipal Maintenance Activities E Initial Study Checklist F Project Application Form G Construction Site Inventory H Construction Site Inspection Forms I Industrial and Commercial Facility Inventory ii COUNTY OF RIVERSIDE SWMP 1.0 EXECUTIVE SUMMARY This Stormwater Management Plan (SWMP) describes the specific urban runoff management programs and activities that are implemented by the County of Riverside (County) to comply with the requirements of the municipal separate storm sewer system (MS4) Permit issued to the Riverside County Permittees by the San Diego Regional Water Quality Control Board (Regional Board) in 2004. This is the third MS4 permit issued by the Regional Board and is referred to as the “Third-term” MS4 Permit. This SWMP addresses the items listed in Attachment D to the Third-term MS4 Permit, providing a description of the programs and activities that the County is implementing to comply with the Third-term MS4 Permit and to reduce pollutants in Urban Runoff to the Maximum Extent Practicable (MEP). In general, this SWMP provides additional detail regarding implementation of the programs described in the Riverside County Drainage Area Management Plan (DAMP). The DAMP describes the overall Urban Runoff management strategies being implemented by the Permittees in the Santa Ana and Santa Margarita Regions of Riverside County during the 5-year terms of the Third-term MS4 Permits. The DAMP has been prepared to meet the complex Urban Runoff management needs in the Santa Ana and Santa Margarita Regions consistent with the Third-term MS4 Permits. The DAMP reflects the needs and constraints of the Permittees, while meeting the requirements of the Third-term MS4 Permits. The terms and acronyms used in this SWMP are defined in the glossary included in the DAMP. For purposes of this SWMP, the terms “Watershed Storm Water Management Plan (Watershed SWMP)” and “Standard Urban Stormwater Management Plan (SUSMP)” referenced in the Third-term MS4 Permit are referred to as the “DAMP” and “Water Quality Management Plan (WQMP),” respectively to be consistent with terminology established and in use by the Permittees. 1 COUNTY OF RIVERSIDE SWMP 2.0 INTRODUCTION TO THE COUNTY OF RIVERSIDE STORMWATER MANAGEMENT PLAN 2.1 PROGRAM OVERVIEW The regulatory framework that provides the foundation for the Third-term MS4 Permit,
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