Stormwater Commitments Categorical Exclusion Training Class.

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Presentation transcript:

Stormwater Commitments Categorical Exclusion Training Class

Stormwater Runoff Let’s start with defining what is Stormwater Runoff? Stormwater runoff is rain or snowmelt that flows over land and does not percolate/get absorbed into the soil. 2

Stormwater Pollution Managing the Environmental & Project Development Process Primary Pollutants Sediment Sediment Heavy Metals Heavy Metals Oil & Grease Oil & Grease Solids Solids Salt SaltSources Brake dust, tire wear, fluids Brake dust, tire wear, fluids Litter Litter Construction Construction Maintenance Activities Maintenance Activities Atmospheric Deposition Atmospheric Deposition

Regulations Federal Water Pollution Control Act  Clean Water Act National Environmental Policy Act (NEPA) ORC Chapter 6111 (Water Pollution Control)  Ohio EPA National Pollutant Discharge Elimination System (NPDES) Permits Construction General Permit (CGP) Watershed Specific CGP 4 Categorical Exclusion Training Class

Environmental Impacts Construction Stormwater Impacts:  Stormwater runoff quality during construction  Stormwater runoff quality after construction Primary Commitments:  Comply with Ohio EPA Construction NPDES Permits Temporary sediment and erosion controls during construction Post-construction stormwater management controls after construction (permanent) Secondary Commitments:  Local stormwater programs or commitments 5 Categorical Exclusion Training Class

Addressing Impacts Temporary sediment and erosion control during construction  Supplemental Specification 832 ODOT Responses: Post-construction stormwater management controls ( after construction - permanent)  L&D Manual, Vol. 2 Drainage Design 6 Categorical Exclusion Training Class

Addressing Impacts ODOT BMP Toolbox Vegetated Biofilter Manufactured Systems Extended Detention Retention Basin Infiltration Techniques Bioretention Cell Constructed Wetlands Post-Construction Stormwater Management All post-construction BMPs require long term maintenance plan 7 Categorical Exclusion Training Class

Environmental Impacts Only 1 question we need to answer… Online CE: 8 Categorical Exclusion Training Class

Environmental Impacts Does the project require coverage under the CGP? (Notice of Intent = NOI) Question 1: 9 Categorical Exclusion Training Class

Construction General Permit (NOI) Question 1a: Is the project new construction/redevelopment or routine maintenance? New Construction / Redevelopment Construction with 1 acre or greater of earth disturbance activities Routine Maintenance Specific project types with less than 5 acres of earth disturbance activities 10 Categorical Exclusion Training Class

Routine Maintenance Projects What is Routine Maintenance? ODOT L&D Manual, Vol. 2 Section Berm repair or topsoil placement along shoulder Bridge abutment repair Bridge deck overlay Bridge deck replacement Chip sealing Culvert repair/lining/some replacement Curb repairs Ditch cleanout Fence repair/replacement Full depth pavement repairs Guardrail installation/replacement Lighting maintenance Linear grading Loop detector repairs Noise wall repair Partial depth pavement repairs Pothole filling Resurfacing Sign repair/maintenance Signal installation/maintenance Tree and brush removal Sidewalk Replacement Isolated Slide Repairs  If not listed, the project cannot be considered “routine maintenance”. 11 Categorical Exclusion Training Class

Routine Maintenance Projects What is Routine Maintenance? ODOT L&D Manual, Vol. 2 Section Berm repair or topsoil placement along shoulder Bridge abutment repair Bridge deck overlay Bridge deck replacement Chip sealing Culvert repair/lining/some replacement Curb repairs Ditch cleanout Fence repair/replacement Full depth pavement repairs Guardrail installation/replacement Lighting maintenance Linear grading Loop detector repairs Noise wall repair Partial depth pavement repairs Pothole filling Resurfacing Sign repair/maintenance Signal installation/maintenance Tree and brush removal Sidewalk Replacement Isolated Slide Repairs  Routine Maintenance does not equal “Maintenance Project” 12 Categorical Exclusion Training Class

Environmental Impacts Is the project in a Watershed Specific CGP Area? Question 1b: 13 Categorical Exclusion Training Class

Environmental Impacts Not really a question, but remarks should clarify your assumptions… Question 1c: 14 Categorical Exclusion Training Class

Environmental Commitments What are the commitments? Question 1d: 15 Categorical Exclusion Training Class

Environmental Commitments Example Commitments: Commitment 1: Project will need Notice of Intent submitted to EPA Commitment 2: Project will need to comply with CGP or watershed specific CGP Commitment 3: Project will address local stormwater issues Commitments should be kept general at this point Only commit to what we know for sure 16 Categorical Exclusion Training Class

Questions? Becky Humphreys (614) Categorical Exclusion Training Class 17