Storm Water Management Plan Missouri Department of Transportation Permit covers: 2021-2026 : Travis Koestner, State Design Engineer January 2022 Stormwater Management Plan Contents Introduction ......................................................................................................... 5 MoDOT Information ............................................................................................ 5 Total Maximum Daily Load (TMDL) Assumptions and Requirement Attainment Plan (ARAP) ..................................................................................... 7 Public Education and Outreach ......................................................................... 7 PEO BMP1: ....................................................................................................... 8 Measurable Goal 1a ...................................................................................... 8 Measurable Goal 1b ...................................................................................... 9 Measurable Goal 1c ....................................................................................... 9 Measurable Goal 1d .................................................................................... 10 PEO BMP 2: .................................................................................................... 10 Measurable Goal 2a .................................................................................... 10 PUBLIC INVOLVEMENT AND PARTICIPATION .............................................. 10 PIP BMP 1: ...................................................................................................... 11 Measurable Goal 1a .................................................................................... 11 PIP BMP2: ....................................................................................................... 11 Measurable Goal 1b .................................................................................... 12 PIP BMP 3: ...................................................................................................... 12 Measurable Goal 3a .................................................................................... 12 Measurable Goal 3b .................................................................................... 13 PIP BMP 4: ...................................................................................................... 13 Measurable Goal 4a .................................................................................... 13 Illicit Discharge Detection and Elimination (IDDE) ......................................... 13 IDDE BMP1: .................................................................................................... 15 Measurable Goal 1a .................................................................................... 16 Measurable Goal 1b .................................................................................... 16 IDDE BMP 2: ................................................................................................... 17 Measurable Goal 2a .................................................................................... 17 IDDE BMP 3: ................................................................................................... 17 Measurable Goal 3a .................................................................................... 17 CONSTRUCTION SITE STORMWATER RUNOFF CONTROL ......................... 18 CSSWROC BMP 1: ......................................................................................... 23 Measurable Goal 1a .................................................................................... 23 2 Stormwater Management Plan CSSWROC BMP 2: ......................................................................................... 23 Measurable Goal 2a .................................................................................... 24 CSSWROC BMP 3: ......................................................................................... 24 Measurable Goal 3a .................................................................................... 24 POST-CONSTRUCTION SITE RUNOFF CONTROL ......................................... 25 PCSRC BMP 1: ............................................................................................... 26 Measurable Goal 1a .................................................................................... 26 Measurable Goal 1b .................................................................................... 27 Measurable Goal 1c ..................................................................................... 27 Measurable Goal 1d .................................................................................... 28 PCSRC BMP 2: ............................................................................................... 28 Measurable Goal 2a .................................................................................... 28 PPGHK BMP 1: ............................................................................................... 33 Measurable Goal 1a .................................................................................... 33 PPGHK BMP 2: ............................................................................................... 34 Measurable Goal 2a .................................................................................... 34 PPGHK BMP 3: ............................................................................................... 35 Measurable Goal 3a .................................................................................... 35 3 Stormwater Management Plan APPENDIX A – Storm Water Webpage APPENDIX B – Report a Stormwater Concern Form APPENDIX C – Stormwater Brochure APPENDIX D – EPG Section 129 APPENDIX E – SPCC Report APPENDIX F – EPG 127.25.8.3 APPENDIX G – EPG 771.2 Bridge Cleaning and Flushing APPENDIX H – EPG 806.8 MoDOT SWPPP APPENDIX I – EPG 748.1.2 Hydraulic Impacts to Roadway APPENDIX J – EPG 171 Maintenance Policy and Operations APPENDIX K – EPG 171.6.4 Vegetation Management APPENDIX L – EPG 821 Herbicides and Roadsides APPENDIX M – EPG 822 Maintenance Planning Guidelines for Mowing Operations APPENDIX N – EPG 171.7 Bridge Maintenance APPENDIX O – EPG 133 Snow and Ice Control APPENDIX P - EPG 127.25.1.4 APPENDIX Q -EPG 133.4 APPENDIX R – EPG 133.5 Operator’s Guide for Anti-icing APPENDIX S – Hazardous Material Response Plan APPENDIX T – No Additional Controls ARAP 4 Stormwater Management Plan Introduction The Missouri Department of Transportation (MoDOT) developed its first Storm Water Management Plan (SWMP) in July 2006. The SWMP summarizes MoDOT’s intentions to reduce the amount of pollution in storm water runoff from MoDOT’s road system by addressing the six categories of concern listed in the TS4 General permit. These categories are as follows: Public Education and Outreach Public Involvement and Participation Illicit Discharge Detection and Elimination Construction Site Runoff Control Post-Construction Site Runoff Control Pollution Prevention/Good House Keeping As circumstances change, new solutions may be necessary to better control pollution in storm water that flows onto or away from MoDOT’s road system. This plan is a continuation in which new and innovative ideas and solutions can be developed in the years to come to protect the water quality of the state’s waterways. MoDOT’s TS4 coverage area is a combination of Urbanized Areas, and regulated MS4s not located in Urbanized areas, (Exhibit 1). Included in this stormwater management plan are actions with measurable goals and iterative process for evaluation of each action and measurable goal, helping MoDOT track and achieve the goals of the SWMP. Throughout the SWMP are references to MoDOT’s policies and procedures with links to those sites. An appendix is available to the SWMP with those documents upon request. MoDOT Information Name of Responsible Public Entity: Missouri Department of Transportation Name of Person Responsible for the Brian Williams SWMP: TS4 coverage area: In regulated MS4 areas not located in Urbanized Areas as defined by MDNR and Urbanized Areas. MoDOT is identified as the continuing authority within MoDOT right of way and properties owned by the Missouri Highways and Transportation Department. 5 Stormwater Management Plan Exhibit 1: Map showing state of Missouri, TS4 area, and major highways. 6 Stormwater Management Plan Total Maximum Daily Load (TMDL) Assumptions and Requirement Attainment Plan (ARAP) Waters identified as impaired, through an EPA approved TMDL assign a waste load allocation to identified permit holders within the watershed if their operations have the potential to significantly increase the identified pollutant through storm water discharges from their facilities. MoDOT is currently named in four TMDLs with an applicable waste load allocation: Coldwater Creek Fishpot Creek Creve Coeur Watkins Creek Because MoDOT is named in these TMDLs, an ARAP is required to outline best management practices implemented to ensure attainment of the applicable waste load allocations assigned in the TMDL. MoDOT submitted a “No Additional Controls” ARAP (Appendix T) to DNR on January 17, 2017. DNR approve the ARAP on March 9, 2017. Evaluation of the approved ARAP will be conducted on an annual basis, as obligated by the permit. and documented in the annual report submitted to DNR. Public Education and Outreach The purpose of this minimum control measure is to educate the target audience on the importance of eliminating pollutants within our environment that effect water quality. Education is the first step in facilitating cultural change in pollution prevention and overall environmental stewardship. MoDOT uses several different media outlets to promote strategies, called best management practices (BMPs). MoDOT focuses communication efforts toward the target audiences that can affect change by implementation of BMPs within their work environment as well as their personal lives. The internal audience targeted is comprised of those involved with the development and implementation of the BMPs, as well as those who are engaged in the day-to-day operations in the field where BMPs outlined in this SWMP are tested and evaluated on a daily basis. The external audience targeted represents those who do not engage in SWMP implementation but can contribute to pollution prevention and improved water quality through shared information regarding MoDOT facilities as well as self-awareness of personal conduct to promote clean water. MoDOT’s Public Education and Outreach (PEO) strategy is intended to educate, train, and promote public involvement in operations where water quality may be affected. The PEO strategy is accomplished through engagement with the target audience through media outlets identified in the PEO BMP and supported by the PEO measurable goals. The evaluation of each Measurable Goal (MG) will be documented in a table format for each goal. The tables will follow the same general format shown below: Measurable Goal: Purpose Statement Annual Performance Intended Outcome Progress 7 Stormwater Management Plan The systematic evaluation of each measurable goal annually will allow effective assessment of the measurable goal’s progress toward meeting the intended outcome. PEO BMP1: MoDOT will educate the target audience on storm water issues primarily related to sediment and litter as it relates to the state’s highway system through training, public meetings, public events, website, email and use of media and materials. MoDOT will evaluate the effectiveness of the BMP through systematic evaluation of each measurable goal annually. MoDOT will track how many visitors have used our storm water Measurable webpage (www.modot.org/stormwater) (Appendix A) and content on Goal 1a the webpage each year and continually update the page with the best available information on MoDOT’s role as a TS4 The world wide web allows for reaching an untold number of audiences Purpose by providing a 24-7, 365 days a year platform to educate and receive Statement feedback from the public on stormwater issues. The intended outcome is to draw visitors to the site for educational purposes as well as provide an avenue for the public to identify stormwater issues Intended they observe in their areas. Assessments will be Outcome evaluated on an annual basis with an intended positive trend through the permit cycle. Trends will be used to evaluate the usefulness of material included Annual on the site. Performance • Visitors to MoDOT’s Stormwater web page • Stormwater Brochure viewings • TS4 Permit viewings • The SMP viewings • The snow removal fact sheet Progress Satisfied: Yes:☐ No:☐ Explanation 8 Stormwater Management Plan Measurable MoDOT will track how many stormwater brochures (Appendix C) are Goal 1b disseminated each year statewide Stormwater brochures provide a tangible item the target audience can Purpose read and review at their own leisure. The brochure allows for MoDOT Statement to pack a lot of information into a small area. The intended outcome is to disseminate as many stormwater brochures as possible statewide. This Intended measure will be evaluated on an annual basis with Outcome an intended target to disseminate a minimum of 400 Annual stormwater brochures each year. Performance • How many brochures were distributed? Progress Satisfied: Yes:☐ No:☐ Explanation MoDOT will track and report on education components related to litter Measurable prevention through its participation in No MOre Trash events statewide Goal 1c and other media outlets. Promotion and educational efforts of the No MOre Trash campaign Purpose assist with clean-up, education, and prevention programs in Missouri. Statement This is a multi-agency effort to protect not only clean water but wildlife and forestry resources in the state. The intended outcome is to get as many people included in the No MOre Trash events as well as continued efforts at the Natural Intended Resource Conference. This measure will be Outcome evaluated annually with a target of a minimum of 100 educational events and 10,000 bags of Annual trash collected. Performance • How many No MOre Trash Bash campaign educational events were conducted and how many bags of trash were picked up. • Natural Resource Conference Booth Progress Satisfied: Yes:☐ No:☐ Explanation 9 Stormwater Management Plan MoDOT will participate in education and outreach events to promote Measurable water quality and environmental compliance. MoDOT will track Goal 1d participation in these events. Participation in educational events like guest speaking at Mizzou, Purpose Earth Day and the State Fair provide a great platform for sharing how Statement the target audience can assist with efforts to improve water quality through their daily actions. The intended outcome is to staff these events each Intended year. This measurable goal will be evaluated Annual Outcome annually for participation in these events. Performance • What events were attended and how many days? Progress Satisfied: Yes:☐ No:☐ Explanation PEO BMP 2: MoDOT will continue to promote public awareness campaigns through the website, social media, and other media outlets. Measurable MoDOT will report annually the number of media campaigns used to Goal 2a promote public awareness of permit elements. The purpose of tracking this measurable goal is to document MoDOT’s Purpose efforts to inform and educate the target audience of the permit Statement elements and how they can assist with efforts to reach the intended goal. The intended outcome is to utilize available media Intended outlets at least once a year to promote media Annual Outcome campaigns. Performance Media outlets used to promote campaigns: • News Releases • Social Media posts • Internal Publications Progress Satisfied: Yes:☐ No:☐ Explanation PUBLIC INVOLVEMENT AND PARTICIPATION The intent of this minimum control measure is to engage the target audience to provide opportunities for community involvement and oversight of permit elements. MoDOT embraces the public involvement concept. Public involvement and participation (PIP) is a key element of the project development process for transportation projects. Engaging the target audience’s involvement and participation promotes buy-in of critical concepts that support the end goal. 10