Improving Your Improving Your Stormwater Pollution Stormwater Pollution

Prevention PlansPrevention Plans

Ryan Alltop, CPESC, DECI Ryan Alltop, CPESC, DECI

Quality Control ManagerQuality Control Manager

OverviewOverview

RegulationsRegulations SWPPPSWPPP

Erosion Control vs. Sediment ControlErosion Control vs. Sediment Control Standards, Specifications, & Drawings Standards, Specifications, & Drawings RecommendationsRecommendations

What’s NewWhat’s New Plan Design Plan Design

Regulations for Erosion and Regulations for Erosion and Sediment ControlSediment Control

Environmental Protection Agency – Environmental Protection Agency – National Pollutant Discharge National Pollutant Discharge Elimination Systems (NPDES) Phase Elimination Systems (NPDES) Phase I & III & II

U. S. Army Corps of EngineersU. S. Army Corps of Engineers County and Municipal OrdinancesCounty and Municipal Ordinances

National Pollutant Discharge National Pollutant Discharge Elimination System (NPDES) Elimination System (NPDES) Illinois-Construction ActivitiesIllinois-Construction Activities

Clean Water ActClean Water Act Administered by the Illinois EPA through the Administered by the Illinois EPA through the

ILR10-Stormwater Permit for Construction Site ILR10-Stormwater Permit for Construction Site ActivitiesActivities

Phase II requires permit for projects disturbing one Phase II requires permit for projects disturbing one (1) acre or more or projects that are “..part of a (1) acre or more or projects that are “..part of a larger common plan of development or sale.”larger common plan of development or sale.”

Information and forms available at: Information and forms available at: www.epa.state.il.us andand http://www.epa.state.il.us/water/permits/storm-water/constrhttp://www.epa.state.il.us/water/permits/storm-water/construction.htmlluction.htmll

SomeSome of the NPDES Requirements of the NPDES Requirements(taken from the ILR10 permit and General Permit NO 2)(taken from the ILR10 permit and General Permit NO 2)

Notice of Intent (NOI)—Submit to IEPA and Local Notice of Intent (NOI)—Submit to IEPA and Local MS4 CommunityMS4 Community

Stormwater Pollution Prevention Plan (SWPPP)Stormwater Pollution Prevention Plan (SWPPP) Incidence of Non-Compliance (ION) (IL)— submitted Incidence of Non-Compliance (ION) (IL)— submitted

electronically to state within 24 hours of incidence electronically to state within 24 hours of incidence Notice of Termination (NOT) (IL) or Notice of Notice of Termination (NOT) (IL) or Notice of

Discontinuation (IA)Discontinuation (IA) Records Retention—three (3) years from final Records Retention—three (3) years from final

stabilizationstabilization

SWPPP – Deadlines for Preparation and SWPPP – Deadlines for Preparation and Signature, Review, and Notification Signature, Review, and Notification

RequirementsRequirements

• SWPPP must be completed prior to submitting your SWPPP must be completed prior to submitting your NOI and must provide compliance with schedule of NOI and must provide compliance with schedule of construction activities.construction activities.

The SWPPP shall be signed and be retained on-site The SWPPP shall be signed and be retained on-site at the facility which it is written for.at the facility which it is written for.

Plan must be available for review by IEPA, IDNR, Plan must be available for review by IEPA, IDNR, local agencies, stormwater regulators, municipalities, local agencies, stormwater regulators, municipalities, and the public.and the public.

Any identified deficiencies must be rectified within 7 Any identified deficiencies must be rectified within 7 days of occurence.days of occurence.

SWPPP - ManagementSWPPP - Management

SWPPP – Keeping Plans Current SWPPP – Keeping Plans Current

• The Stormwater Pollution Prevention Plan is intended The Stormwater Pollution Prevention Plan is intended to be a dynamic document which should change or be to be a dynamic document which should change or be modified as necessary to protect receiving waters modified as necessary to protect receiving waters from pollutants.from pollutants.

• The permitee is required to amend the plan whenever The permitee is required to amend the plan whenever there is a change in design that effects the plan or if there is a change in design that effects the plan or if the plan has been shown to be deficient or ineffective the plan has been shown to be deficient or ineffective in protecting waters of the state or other off site areas.in protecting waters of the state or other off site areas.

• Changes is control measures should be noted on the Changes is control measures should be noted on the plan in pencil, pen, or marker. Hand drawings or shop plan in pencil, pen, or marker. Hand drawings or shop drawings are acceptable as modifications to the plan. drawings are acceptable as modifications to the plan.

• Additional contractors should be modified whenever a Additional contractors should be modified whenever a new contractor comes on site. new contractor comes on site.

SWPPP – Keeping Plans CurrentSWPPP – Keeping Plans Current

SWPPP – Contents of the Plan SWPPP – Contents of the Plan

• Site DescriptionSite Description• Best Management Practices (BMPs)Best Management Practices (BMPs)• MaintenanceMaintenance• InspectionsInspections• Non-Storm Water Discharges Non-Storm Water Discharges • ContractorsContractors• Signatory RequirementsSignatory Requirements

Contents of the Plan – Site Contents of the Plan – Site DescriptionsDescriptions

• Describe construction activityDescribe construction activity• Sequence of major activities which will disturb the siteSequence of major activities which will disturb the site• Estimate of total acreage of the site and the acreage of Estimate of total acreage of the site and the acreage of

disturbancedisturbance• An estimate of the runoff coefficient of the site after An estimate of the runoff coefficient of the site after

completioncompletion• Site Map including drainage patterns, grading changes, Site Map including drainage patterns, grading changes,

stormwater facilities and discharge points, major stormwater facilities and discharge points, major structural and nonstructural Stormwater pollution controls, structural and nonstructural Stormwater pollution controls, and receiveing water bodies. (Civil Drawings and and receiveing water bodies. (Civil Drawings and Location Map)Location Map)

• Receiving water bodies and the ultimate receiving waters Receiving water bodies and the ultimate receiving waters and aerial extend of any wetlands on-site or as a and aerial extend of any wetlands on-site or as a receiving body should be identified. receiving body should be identified.

Contents of the Plan – Site Contents of the Plan – Site DescriptionsDescriptions

• Site soil maps (Web Soil Survey)Site soil maps (Web Soil Survey)• RUSLE 2 (Web Soil Survey)RUSLE 2 (Web Soil Survey)

Contents of the Plan – ControlsContents of the Plan – Controls• Controls make up the meat of the SWPPP when it is first Controls make up the meat of the SWPPP when it is first

created and are most often associated with the Erosion created and are most often associated with the Erosion Control plan and associated details.Control plan and associated details.

• The SWPPP shall include a description of appropriate The SWPPP shall include a description of appropriate controls used on site and clearly describe and identify the controls used on site and clearly describe and identify the implementation of the appropriate controls and the timing implementation of the appropriate controls and the timing during the construction process where each control during the construction process where each control practice will be used.practice will be used.

• The description of controls shall at a minimum include: The description of controls shall at a minimum include: Erosion and Sediment Controls, Stormwater Erosion and Sediment Controls, Stormwater Management, Other Control Measures, and meet the Management, Other Control Measures, and meet the Approval of State or Local requirements. Approval of State or Local requirements.

• The Illinois Urban Manual should be used for guidance in The Illinois Urban Manual should be used for guidance in selecting and designing your controls in Illinois. selecting and designing your controls in Illinois.

• The Iowa Construction Site Erosion Control Manual The Iowa Construction Site Erosion Control Manual should be used in Iowashould be used in Iowa

Contents of the Plan – ControlsContents of the Plan – Controls

• Erosion Control PracticesErosion Control PracticesDescription of temporary, interim, and Description of temporary, interim, and

permanent practices including the scheduling permanent practices including the scheduling and implementation of practices to vegetate and implementation of practices to vegetate or otherwise stabilized exposed soils or or otherwise stabilized exposed soils or protect existing vegetation.protect existing vegetation.

Sediment Control PracticesSediment Control PracticesDescription of practices installed to divert Description of practices installed to divert

flows from exposed soils, store flows or flows from exposed soils, store flows or runoff, and otherwise filter or limit the runoff, and otherwise filter or limit the discharge of pollutants from the site.discharge of pollutants from the site.

Erosion and Sediment Controls

Contents of the Plan – ControlsContents of the Plan – Controls

• Description of measures and practices that will be Description of measures and practices that will be installed during the construction process that will serve installed during the construction process that will serve to control the discharge of pollutants from the site to control the discharge of pollutants from the site during and after construction operations are complete.during and after construction operations are complete.

• Examples of practices include wet bottom detention Examples of practices include wet bottom detention basins, sediment basins, sediment traps, vegetated basins, sediment basins, sediment traps, vegetated swales, infiltration trenches, and energy dissipation swales, infiltration trenches, and energy dissipation devices at the outfall of stormwater structures (rock devices at the outfall of stormwater structures (rock lined aprons).lined aprons).

Storm Water Management

Erosion Control-Primary Design GoalErosion Control-Primary Design Goal

Phased ConstructionPhased Construction Limit Disturbed Area Limit Disturbed Area Permanent StabilizationPermanent Stabilization Stabilize-As-You-GoStabilize-As-You-Go

Winter StabilizationWinter Stabilization Temporary SeedingTemporary Seeding Mulching/Erosion Mulching/Erosion

Control BlanketControl Blanket Velocity MinimizationVelocity Minimization

Sediment Control-Secondary Sediment Control-Secondary Design GoalDesign Goal

BarriersBarriers FiltrationFiltration Sediment Sediment

Containment Containment SystemsSystems

Velocity Velocity MinimizationMinimization

Contents of the Plan – ControlsContents of the Plan – Controls

• Other Controls must Other Controls must ensure that solid ensure that solid materials or other materials or other pollutants are pollutants are contained on-site and contained on-site and disposed of properly.disposed of properly.• Spill Prevention and Spill Prevention and

Clean-UpClean-Up• Waste DisposalWaste Disposal• Secondary Containment Secondary Containment

of Pollutantsof Pollutants

Other Controls and Approved State and Local Plans

Erosion & Sediment Erosion & Sediment Control PlanControl Plan

Where do I start?Where do I start?

Identify Critical Area ProtectionIdentify Critical Area Protection Where are my Cut/Fill Areas?Where are my Cut/Fill Areas? Temporary Drainage ConditionsTemporary Drainage Conditions Timing and Phasing Timing and Phasing

Time of SeasonTime of Season Duration of ConstructionDuration of Construction

Standards, Specifications, Standards, Specifications, & Drawings& Drawings

Soil Erosion and Sediment Control (SESC) Soil Erosion and Sediment Control (SESC) practices need to be DESIGNED into the practices need to be DESIGNED into the projectproject

SESC practices need to be treated like SESC practices need to be treated like any other construction practice (i.e. any other construction practice (i.e. sanitary sewer, water mains, etc.) sanitary sewer, water mains, etc.)

There’s more to SESC planning than There’s more to SESC planning than inserting detailsinserting details

Standard DrawingsStandard Drawings

Available in DWF, Available in DWF, DWG, DXF, and PDF DWG, DXF, and PDF formats. formats.

Most require Most require additional dimensions additional dimensions to be insertedto be inserted

DetailsDetails

Provide details for each SESC practice Provide details for each SESC practice called out on plans or in notescalled out on plans or in notes

Fill in required valuesFill in required values Provide manufacturer details if necessaryProvide manufacturer details if necessary If no standard drawings exist use shop If no standard drawings exist use shop

drawings or create drawings showing plan drawings or create drawings showing plan view and/or overview of practiceview and/or overview of practice

Recommendations Recommendations

Visit the site before designing the Soil Visit the site before designing the Soil Erosion and Sediment Control PlanErosion and Sediment Control Plan

Begin communication Begin communication earlyearly with with municipality and all regulatory agenciesmunicipality and all regulatory agencies

Create the SESC plan and SWPPP as Create the SESC plan and SWPPP as part of the overall construction plan part of the overall construction plan

Visit site after creating plans to Visit site after creating plans to determine if they make sensedetermine if they make sense

SESC Plan SheetsSESC Plan Sheets Clearly display and label all Clearly display and label all

SESC measuresSESC measures Generate more than one SESC Generate more than one SESC

plan sheet, if necessary, to plan sheet, if necessary, to clearly show different stages of clearly show different stages of construction construction

Review existing and proposed Review existing and proposed drainage to ensure perimeter drainage to ensure perimeter barriers/fences will function barriers/fences will function throughout the duration of the throughout the duration of the projectproject

SESC Plan SheetsSESC Plan Sheets

Show location for Show location for erosion control erosion control blanket and/or mulch blanket and/or mulch installationinstallation

Show proposed Show proposed locations of stockpiles locations of stockpiles with perimeter barrierwith perimeter barrier

Show lined aprons at Show lined aprons at storm sewer outfallsstorm sewer outfalls

SESC Plan SheetsSESC Plan Sheets

Replace straw bale ditch Replace straw bale ditch checkschecks

Designate location of Designate location of stabilized construction stabilized construction entrance(s) entrance(s)

Notes and SpecificationsNotes and Specifications

Standard Notes—Standard Notes—contact regulating contact regulating entity or visit website entity or visit website to determine if to determine if standard notes existstandard notes exist

Provide sequence of Provide sequence of events and events and appropriate SESC appropriate SESC measures for work in measures for work in critical areascritical areas

Notes and SpecificationsNotes and Specifications Clearly explain when various practices should be Clearly explain when various practices should be

implementedimplemented Accommodate for temporary conditions (between mass Accommodate for temporary conditions (between mass

grading and final grading and stabilization)grading and final grading and stabilization)

Notes and SpecificationsNotes and Specifications Permanent and temporary Permanent and temporary

vegetation/stabilization vegetation/stabilization scheduleschedule Critical DatesCritical Dates Species ListSpecies List Application RatesApplication Rates Winter stabilization planWinter stabilization plan Stockpile StabilizationStockpile Stabilization

Review site conditions and Review site conditions and manufacturer’s specifications manufacturer’s specifications to determine if the proper to determine if the proper ECB is being usedECB is being used

Contents of the Plan – InspectionsContents of the Plan – Inspections• Qualified personnel shall inspect the site at least Qualified personnel shall inspect the site at least

once every seven (7) days or within 24 hours of once every seven (7) days or within 24 hours of any rainfall event of ½ inch or greater.any rainfall event of ½ inch or greater.

• Monthly Inspections during periods of Snow Monthly Inspections during periods of Snow Cover. Cover.

• Any violation of the SWPPP or discharges to Any violation of the SWPPP or discharges to receiving water bodies should be reported by filing receiving water bodies should be reported by filing an “Incidence of Non-Compliance” (ION) to the an “Incidence of Non-Compliance” (ION) to the IEPA within 24 hours.IEPA within 24 hours.

Contents of the Plan – MaintenanceContents of the Plan – Maintenance

• All practices All practices in the in the SWPPP SWPPP must be must be maintained in maintained in good and good and effective effective operating operating condition condition throughout throughout the duration the duration of the of the project.project.

Contents of the Plan – Non-Storm Contents of the Plan – Non-Storm Water DischargesWater Discharges

• Any sources of non-Any sources of non-stormwater listed as stormwater listed as industrial activities that shall industrial activities that shall be combined with be combined with stormwater discharges must stormwater discharges must be clearly identified on the be clearly identified on the plan. Examples include: plan. Examples include:

• Hydrant FlushingHydrant Flushing

• Groundwater PumpingGroundwater Pumping

• Dust ControlDust Control

• Vehicle WashingVehicle Washing

SWPPP – Contractor Certification SWPPP – Contractor Certification StatementsStatements

• The SWPPP must identify each contractor The SWPPP must identify each contractor or subcontractor that will be responsible or subcontractor that will be responsible for implementing each measure in the for implementing each measure in the plan.plan.

• All contractors must sign a copy of the All contractors must sign a copy of the Certification Statement and that signed Certification Statement and that signed statement shall be included as part of the statement shall be included as part of the SWPPP.SWPPP.

• The certification statement must also The certification statement must also identify the name and title of the person identify the name and title of the person providing the signature, contact providing the signature, contact information for the contractors’ firm, information for the contractors’ firm, address or name of site, and the date of address or name of site, and the date of certification signing. certification signing.

SWPPP – Delegation Of AuthoritySWPPP – Delegation Of Authority

Owner or General Contractor Sign OffOwner or General Contractor Sign Off

General Comments General Comments Complete SWPPP and submit plans for review to Complete SWPPP and submit plans for review to

appropriate agencies BEFORE project goes out to appropriate agencies BEFORE project goes out to bidbid

Include Erosion and Sediment Control in your bid. Include Erosion and Sediment Control in your bid. SESC plans are reviewed for both temporary and SESC plans are reviewed for both temporary and

permanent componentspermanent components Plan for each stage of the projectPlan for each stage of the project Better to provide too much information than not Better to provide too much information than not

enoughenough Attempt to get plans correct and effective the first Attempt to get plans correct and effective the first

time around, but NEVER be afraid to change or time around, but NEVER be afraid to change or modify the SWPPP or the practices in the SWPPP modify the SWPPP or the practices in the SWPPP if they are not being effective. if they are not being effective.

Questions?Questions?

Ryan Alltop, CPESC, DECIQuality Control Manager

ENCAP, Inc.2585 Wagner Ct., DeKalb, IL 60115

815-748-4500www.encapinc.net

jkoepke@encapinc.net

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