Stormwater Commitments Categorical Exclusion Training Class – Presented by the Office of Environmental Services

What is Stormwater Runoff? Stormwater runoff is rain or snowmelt that flows over land and does not percolate/get absorbed into the soil [2] Categorical Exclusion Training Class – Presented by the Office of Environmental Services

Stormwater Pollution Primary Pollutants Sediment Heavy Metals Oil & Grease Solids Salt Sources Brake dust, tire wear, fluids Litter Construction Maintenance Activities Atmospheric Deposition The primary pollutants found in stormwater are shown here. Sediment is the only pollutant we are required to remove at this time. [3] Categorical Exclusion Training Class – Presented by the Office of Environmental Services

Regulations Federal Water Pollution Control Act Clean Water 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 – Presented by the Office of Environmental Services

Environmental Impacts Construction Stormwater Impacts: Stormwater runoff quality during and after Primary Commitments: Compliance with 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 – Presented by the Office of Environmental Services

Addressing Impacts ODOT Responses: Temporary sediment and erosion control during construction Supplemental Specification 832 Post-construction stormwater management controls (after construction - permanent) L&D Manual, Vol. 2 Drainage Design [6] Categorical Exclusion Training Class – Presented by the Office of Environmental Services

Addressing Impacts Post-Construction Stormwater Management ODOT BMP Toolbox Vegetated Biofilter Manufactured Systems Extended Detention Retention Basin Infiltration Techniques Bioretention Cell Constructed Wetlands All post-construction BMPs require long term maintenance plan [7] Categorical Exclusion Training Class – Presented by the Office of Environmental Services

Environmental Impacts Permits Tab - EnviroNet: Only 1 question we need to answer… [8] Categorical Exclusion Training Class – Presented by the Office of Environmental Services

Environmental Impacts Question 1: Does the project require coverage under the CGP? (Notice of Intent = NOI) [9] Categorical Exclusion Training Class – Presented by the Office of Environmental Services

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 – Presented by the Office of Environmental Services

If not listed, the project cannot be considered “routine maintenance” Routine Maintenance Projects What is Routine Maintenance? ODOT L&D Manual, Vol. 2 Section 1112.2 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 – Presented by the Office of Environmental Services

Routine Maintenance Projects What is Routine Maintenance? ODOT L&D Manual, Vol. 2 Section 1112.2 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 Routine Maintenance does not equal “Maintenance Project” [12] Categorical Exclusion Training Class – Presented by the Office of Environmental Services

Environmental Impacts Question 1b: Is the project in a Watershed Specific CGP Area? [13] Categorical Exclusion Training Class – Presented by the Office of Environmental Services

Environmental Impacts Question 1c: Not really a question, but remarks should clarify your assumptions… [14] Categorical Exclusion Training Class – Presented by the Office of Environmental Services

Environmental Commitments Question 1d: What are the commitments? [15] Categorical Exclusion Training Class – Presented by the Office of Environmental Services

Environmental Commitments Examples Commitment 1: Notice of Intent submitted to EPA Commitment 2: Project needs 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 – Presented by the Office of Environmental Services

Categorical Exclusion Training Class Questions? Becky Humphreys (614) 387-1125 Becky.Humphreys@dot.ohio.gov [17] Categorical Exclusion Training Class – Presented by the Office of Environmental Services Categorical Exclusion Training Class