Stormwater Pollution Prevention Plan - Vermont

1 Stormwater Pollution Prevention plan Instruction Booklet How to Use this Instruction Booklet This template is based on the requirements found in Part 2 of the permit. You should be familiar with these requirements before writing your SWPPP. The permit can be found on the Water Quality Division website: This instruction booklet was developed by the Vermont Agency of Natural Resources Water Quality Division to guide your facility through the development of a Storm Water Pollution Prevention plan (SWPPP). This booklet is designed to accompany the fillinable SWPPP template. Once completed, the SWPPP will help you comply with the Vermont Multi-Sector General Permit (MSGP, also referred to as the permit by this document). The fillinable SWPPP template and this instruction booklet include the basic SWPPP requirements in the permit. You may need to include additional Sector specific information in your SWPPP to meet the needs of your site.

2 While you are developing your SWPPP, keep in mind other federal, state, and local regulations that your facility may be subject to. These may affect how you can implement the SWPPP. The fillinable SWPPP template contains many tables and sample worksheets, some of which can be found at the end of the document. Expand or edit these documents according to your needs. The appendices of the fillinable SWPPP template include blank copies of forms you will need to record the results of your monitoring and inspections. When completed, be sure to add the filled out forms to the appropriate appendix. This is a requirement of the permit. Your SWPPP must include implementation dates for best management practices (BMPs). Inspections, monitoring, and employee training also need implementation schedules. Once the SWPPP is completed, send a copy to the Stormwater Section and keep the original at your facility. Use it to stay in compliance with the General Permit by implementing controls, monitoring, training, and inspections as planned.

3 Table of Contents (page numbers in parentheses indicate corresponding pages in the fillinable SWPPP) 1 Introduction (page 1).. 5 2 Pollution Prevention Team (page 1) .. 5 3 Site Description (pages 2 - 8) .. 5 Facility Information (page 2) .. 5 Narrative Site Description (page 2) .. 6 General Location Map (page 3) .. 6 Site Map (page 4) .. 7 Description of Receiving Waters (page 5) .. 8 Precipitation Information (page 5) .. 8 Inventory of Exposed Materials and Potential Pollutant Sources (pgs 6 and 7) .. 10 Inventory of Past Spills and Leaks (page 8) .. 10 4 Non- Stormwater Discharges .. 10 Certification of Non- Stormwater Discharges (page 9 and Appendix A) .. 10 Allowable Non- Stormwater Discharges (page 9) .. 11 5 Best Management Practice (BMP) Identification (pages 10-16) .. 12 Source Protection BMPs (pages 10-12) .. 12 Area Specific BMPs (pages 10-11) .. 13 Site-wide BMPs (page 12) .. 13 Spill Response (page 13).

4 13 Vehicle and Equipment Washing (page 14-15) .. 13 Sediment and Erosion Control (page 15) .. 14 Structural BMPs (page 16).. 14 6 BMP Implementation (page 17) .. 14 Routine Inspections (page 17 and Appendix B) .. 14 Employee Training (page 17 and Appendix C) .. 15 7 Monitoring Requirements (pages 18 19) .. 15 Quarterly Visual Monitoring (page 18 and Appendix D) .. 16 Benchmark Monitoring (page 18 and Appendix E) .. 16 Effluent Limitations (page 19) .. 17 Monitoring Associated with Discharges to Impaired Waters (page 19) .. 17 8 Compliance Evaluation (page 20 and Appendix F) .. 18 9 Endangered Species (page 20) .. 18 Appendix E of the MSGP .. 19 10 General Requirements (pages 20 21) .. 25 Record Keeping and Reporting (page 20) .. 25 Maintaining the Updated SWPPP (page 20) .. 25 Certification (page 21) .. 25 11 Summary of Updates (page 22) .. 26 1 Introduction (page 1) 1. Enter the official or legal name of the facility or site.

5 2. Enter the complete street address of the facility. 2 Pollution Prevention Team (page 1) You must designate an individual or team to prepare and carry out your facility s Stormwater Pollution Prevention plan . The team leader will also serve as the main facility contact person for communications with the Agency. 1. Enter the name, title and contact information for the team members. 2. Enter the responsibilities for each team member. Areas of responsibilities include initial site assessment, identification of pollutant sources and risks, decision making on appropriate BMPs and regular evaluations to measure the effectiveness of the plan . Specific responsibilities of each staff individual on the team must be identified and listed in the SWPPP. 3 Site Description (pages 2 - 8) This section is where you will gather information about current and past conditions at your facility. By taking an inventory of site activities, materials, local precipitation patterns, and receiving waters you will be able to identify potential problems on your site.

6 If your facility has conducted any water quality sampling prior to this permit, you should include the results of this testing with your SWPPP. Use this data to assess your facility for Pollution sources. Facility Information (page 2) 1. Enter the complete street address of the facility. 2. Enter the Latitude and Longitude of the approximate center of the facility. This information can be found on the Notice of Intent (NOI) form you submitted for your facility. 3. Enter the Standard Industrial Classification (SIC) code and MSGP Sector for your facility. This information can be found on the NOI form you submitted for your facility. This information can also be found on Table D-1 of the permit. 5 Narrative Site Description (page 2) 1. Enter the size of the facility in acres 2. Enter the size of the impervious cover in acres. Impervious cover includes rooftops, sidewalks, paved and gravel roads and driveways. 3. Divide the impervious area (#2) by the total size of the facility (#1) and multiply the result by 100.

7 This will give you the percent impervious area. Example: 1. Size of facility = 2 acres 2. Impervious cover = acres 3. ( / 2) = x 100 = 75% 4. Enter the number of buildings and what they are used for 5. Enter the hours and season of operations 6. Enter the number and type of vehicles used on site 7. Describe what takes place outdoors and any materials that are stored outside. Materials stored outdoors includes raw materials, intermediate products, and waste materials 8. Enter the number and location of Stormwater outfalls to surface waters, ditches, or storm drains. Stormwater outfalls are where rainwater or snowmelt runs off the facility (at the property line) or where rainwater or snowmelt runs into a stream, wetland, stormdrain or waterway. General Location Map (page 3) Provide a general location map ( a Geological Survey (USGS) quadrangle map) showing receiving waters and other significant landmarks within a one-mile radius. You may use the Stormwater Site Locator map at to locate your facility and receiving waters.

8 Click on the red Legend/Layer List button on the left, then in the right hand column, check the box next to USGS topomaps . Zoom in to show a one mile radius. You may print a copy of this map and include it in your SWPPP. 6 Site Map (page 4) Create a map of the facility including the following items: Property lines Delineation of all impervious surfaces including gravel roads and parking Access roads Rail Cars and tracks All surface water bodies Direction of Stormwater flow (use arrows) Identify each Stormwater outfall and delineate the drainage area for each Location of existing structural Stormwater controls including: o flow diversion structures o retention/ detention ponds o vegetated swales o sediment traps All areas which may be pollutant sources and are exposed to precipitation (including areas identified in section of this plan ) o Outside storage of raw materials, by-products, and/or finished products o Fueling stations o Vehicle or equipment washing and/or maintenance areas o Loading/unloading areas o Areas used for treatment, storage or disposal of waste o Liquid storage tanks o Processing and storage areas o Material handling areas o Machinery o Areas of exposed soil o Salt/sand storage piles Past significant leaks or spills (as identified in section of this plan ) Location and description of each non- Stormwater discharge Location and source of run-on from adjacent properties containing significant quantities of pollutants 7 Description of Receiving Waters (page 5) 1.

9 Enter the names of all receiving waters to which Stormwater from your site is discharged. A receiving water is any river, stream, lake, pond, intermittent stream, or wetland. To identify your facility s receiving waters, watch where Stormwater flows off your site. If Stormwater usually stays onsite and infiltrates into the ground, think about where Stormwater goes in a very large storm. Then look at the USGS topo map (the general location map included in your plan ) to find the closest waterbody (identified by a blue line or a wetland area). Discharges to a municipal separate storm sewer (MS4) need to be identified along with the operator of the system. 2. Enter the numbers of the discharge points that flow to this receiving water. These numbers should match the discharge point numbers on your site map. 3. Enter the receiving water classification found in the Vermont Water Quality Standards. Examples include: Class A1, A2 or B. The Vermont Water Quality Standards can be found at: 4.

10 Identify if the receiving water is impaired and for what pollutant. The lists of impaired waters can be found at the following links. Impaired waters are listed by VT Waterbody ID and waterbody segment name. If you need help identifying if your receiving water is impaired, please call (802) 241-3770. Precipitation Information (page 5) 1. Enter the annual average precipitation for your site. You may use the following table to determine this amount. First, find the region of the state where your facility is located. Average annual precipitation for the state is as follows: a. Northeastern Region = 45 inches b. Western Region = 39 inches c. Southeastern Region = inches 2. Enter the wettest months. You may use the following table to determine which months have the most rainfall. 3. Enter the expected rainfall in the wettest month. 4. Describe the type and intensity of storms. Example storm types and intensities include: short duration downpours, day-long drizzles, day-long intermittent rainfall.