2019 MS4 Annual Report Meeting Date: May 21, 2020 Presenter: S. Shree Dorestant, D.Mgt. Stormwater Management Program Coordinator Bureau of Environmental Planning and Analysis Department of Environmental Protection
Stormwater Runoff in NYC Stormwater runoff occurs when rain, snow, sleet, and other precipitation lands on impervious surfaces like rooftops, parking lots, streets, sidewalks. Approximately 72% of NYC is impervious area Eventually, this stormwater runoff will reach a catch basin and enter the sewer system . 2
NYC Storm Sewer Systems Combined Sewer System- Separate Storm Sewer System- both wastewater and wastewater is carried by one pipe to stormwater are carried by a the wastewater resource recovery single pipe to a wastewater facility and stormwater is carried by a NYC has two types resource recovery facility. separate pipe directly to local of sewer systems waterbodies. 3
NYC MS4 An estimated 30 - 40% of NYC is served by the City’s MS4 The MS4 serves much of Staten Island, South Brooklyn, Southeast Queens, and many City-owned parks. 4
Municipal Separate Storm Sewer System Permit (MS4 Permit) • Effective Date : August 1, 2015 • Duration : renewal every 5 years • Issued By : New York State Department of Environmental Conservation (NYSDEC) as part of the NYS Pollutant Discharge Elimination System (SPDES) • Permit Intent : to require the City to implement measures to reduce pollution in stormwater runoff • Permit Requirement: develop a Stormwater Management Program (SWMP) o NYC submitted SWMP Plan to NYSDEC on August 1, 2018 o NYC received approval of SWMP Plan on March 14, 2019 5
Stormwater Management Program (SWMP) Plan Chapter 6: Chapter 1: Chapter 3: Chapter 5: Chapter 2: Construction Legal Public Illicit Public Chapter 4: and Post- Authority and Involvement Discharge Education and Mapping Construction Program and Detection and Outreach Administration Participation Elimination Chapter 7: Chapter 8: Chapter 9: Chapter 10: Chapter 11: Pollution Industrial and Control of Chapter 12: Monitoring and Special Prevention/ Commercial Floatable and Recordkeeping Assessment Conditions for Stormwater Settleable Trash and Reporting Good Program Impaired Waters Sources and Debris Housekeeping 6
General Updates • SWMP Plan approved on March 14, 2019 with two conditions: Incorporate a schedule to conduct further analysis with recommendation of the appropriate threshold for the no net increase (NNI) requirement for stormwater discharges to impaired waters without a TMDL in the 2020 permit renewal application Incorporate a schedule to develop and implement the new 20,000 sf threshold for the Construction/Post Construction (C/PC) Program in the 2020 permit renewal application • MS4 Rules published – April 1, 2019 • Effective Date of Rules – June 1, 2019 • DEP began inspecting facilities covered by the Multi-Sector General Permit in the MS4 area • DEP began reviewing Stormwater Pollution Prevention Plans for covered development projects in the MS4 area 7
Legal Authority and Program Administration Agencies with MS4 Permit Obligations There are 14 City Agencies with responsibilities under Department of Citywide Administrative Services (DCAS) the MS4 Permit Department of City Planning (DCP) DEP coordinates program administration Department of Design and Construction (DDC) Department of Environmental Protection (DEP) Department of Buildings (DOB) Department of Correction (DOC) Planned Activities: Department of Education (DOE) Department of Health and Mental Hygiene (DOHMH) • MS4 Permit Renewal (2020 – 2025) Department of Transportation (DOT) Department of Parks and Recreation (DPR) Department of Sanitation (DSNY) Fire Department (FDNY) Police Department (NYPD) Small Business Services (SBS) C ollaborators NYC Law Department (LAW) Economic Development Corporation (EDC) Mayor’s Office of Management and Budget (OMB) Mayor’s Office of Recovery and Resiliency (ORR) 8
9 Public Education and Outreach Program Highlights: • Organized or participated in over 1,700 events that reached 250,000 individuals and 2,500 businesses • Distributed approximately 4.4 M materials such as flyers, posters, brochures, bookmarks, and grease pouches Planned Activities: NYC Artists Painted DSNY Trucks • Continue implementing various initiatives • Enhance exhibit at Newtown Creek Visitor Center to include information about stormwater and pollution 9
10 Public Education and Outreach DPR tables at DOE Science Showcase Program DSNY collects DEP begins hazardous expansion of household waste at Newtown Creek a SAFE Event Nature Walk 10
Public Involvement and Participation In developing the SWMP, the City held over 100 stakeholder meetings and responded to more than 100 public comments. Program Highlights: • Held or participated in 10 meetings and webinars to inform and solicit feedback from the public • Reached over 200 individuals Stakeholder reads the NYC SWMP Plan Planned Activities: • Continue engagement with local stakeholder groups and active participation in community events • Provide educational information and webinars on construction and post-construction stormwater controls DEP participates in Coney Island Creek Workshop 11
Mapping An interactive preliminary map is available to the public at www.nyc.gov/dep/ms4map. Program Highlights: • Published preliminary map August 1, 2018, which included 460 MS4 outfalls • Identified additional MS4 outfalls to be added to map Planned Activities: • Continue to refine the datasets for MS4 outfalls and drainage areas • Submit final MS4 Map and publish update by August 1, 2020 12 NYC Artists Painted DSNY Trucks
Illicit Discharge Detection and Elimination Program Highlights: Shoreline Sentinel • Detected 1,102 illicit discharges citywide Survey Monitoring • Eliminated 1,090 illicit discharges citywide • Inventoried 6% of known MS4 outfalls through the Shoreline Survey • Conducted a drone survey of Alley Creek Emergency 311 Response Planned Activities: • Integrate the Sentinel and Harbor Survey monitoring programs Municipal Harbor • Conduct another drone survey that incorporates the lessons learned Survey Facilities in 2019 • Partner with the USGS for a microbial source tracking study for Alley Creek 13
DEP uses a drone to see temperature differences in Alley Creek . 14
Construction/Post-Construction Program Highlights: • Rules governing program went into effect on June 1, 2019 • Reviewed 18 SWPPPs and issued 3 approvals • Held 9 training events on construction site stormwater controls Planned Activities: • Continue implementing program • Develop a schedule for implementing a 20,000 square foot soil disturbance threshold to trigger the C/PC stormwater management requirements Screenshots of Stormwater Permitting Tracking System 15
Pollution Prevention/Good Housekeeping for Municipal Operations and Facilities Program Highlights: • Assessed 257 municipal facilities : 21 high priority sites, 145 medium priority sites, and 91 low priority sites • Trained over 10,000 municipal employees on PP/GH • Evaluated 6 planned municipal upgrade projects for potential GI opportunities • Completed construction of 7 GI projects during planned municipal upgrades o 4 green roofs o 1 permeable paver installation o 1 landscape restoration and tree planting o 1 rain garden Planned Activities: • Continue to assess sites, refine inventory and offer trainings • Begin assessment of off-site operations 16 NYPD Mobile PP/GH Training
The City constructed 7 GI projects as part of municipal upgrades. Rockaway Beach Boardwalk – green roof on beach 9 playground comfort station 17
Industrial/Commercial Stormwater Sources Program Highlights: • Rules governing program went into effect on June 1, 2019 • Inspected 4 permitted facilities • Assessed 79 unpermitted facilities • Referred 3 unpermitted facilities to NYSDEC for SPDES no-exposure coverage Planned Activities: DEP inspectors evaluating fueling area best management practices at a permitted facility • Continue assessing unpermitted facilities with a goal of completing 200 assessments by December 31, 2020 o Goal may be impacted by COVID-19 • Continue inspecting permitted facilities 18 Joint inspection with DEP, EPA & DEC at a permitted facility
Control of Floatable and Settleable Trash and Debris Program Highlights: • Swept over 500,000 miles of street (including arterial highways) • Inspected over 9,400 catch basins • Enacted a styrofoam ban and paper bag fee DPR Clean Up in Jamaica Bay • Conducted desktop analysis and field reconnaissance to identify potential sites for the Loading Rate Study Planned Activities: • Continue implementing controls such as street sweeping, catch basin inspection and maintenance • Finalize loading rate study monitoring sites and equipment 19 DEP Catch Basin Cleaning
New "Clean Streets = Clean Beaches" Messaging 20
The City cleaned over 11,000 catch basins. 21
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