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Module 1: Refresh Your Perspective on the Storm Drain System
Stormwater System Maintenance: A 4-Part Workshop Series
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What Happens Between Here …
And Here?
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Water Quality Depends on Land Use & Management
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Our Staff Manages Storm Water Runoff
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National Stormwater Discharge Program
• Phased approach by EPA– Phase I – 1990 – large cities– Phase II – 1999 – smaller municipalities
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National Stormwater Discharge Program in RI is often called:
- Phase II program
or- Rhode Island Pollutant Discharge Elimination System
(RIPDES) Program
.or - Storm Water Discharge from
Small Municipal Separate Storm Sewer Systems (MS4s) Program
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General Permit
• Authorized to discharge storm water if have submitted and are implementing a Storm Water Management Program Plan (SWMPP)
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MS4-specific plan
• What MS4 is going to do– Procedures developed– Site specific plans
• Where MS4 will do it– Regulated areas– Specific
locations/facilities– Specific activities
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GoodHousekeeping
Post-Const Runoff
Const. Runoff
Illicit Discharge
Pub. Part.
Pub. Info & Ed
SWMPP
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Pollution Prevention & Good Housekeeping Requirement
• Develop and implement a program to prevent and reduce storm water pollution from operations and maintenance (O&M) activities that have the potential to introduce pollutants to storm water runoff
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O&M Program Goals
Identify & describe Structural BMPs
Inspect, clean & repair Structural BMPs
Inspect & clean Catch Basins
Stabilize Road Shoulders & Ditches
Check Outfalls for scouring, sedimentation
Sweep all roads annually
Reduce Floatables Waste Disposal
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Training Modules in this Series
• Module 1: Refresh Your Perspective (today’s presentation)
• Module 2: Enhanced Systems– Identify & describe
structural BMPs– Inspect, clean & repair
structural BMPs
– Insert Date and Location of Training
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Training Modules in this Series
• Module 3: Typical Roadway Drainage– Where it goes in
• Catch Basins• Road Shoulders &
Ditches
– Where it comes out• Outfalls
– Insert Date and Location of Training
• Module 4: Minimizing the Pollutant Load– Sweeping– Floatables– Waste Disposal
– Insert Date and Location of Training
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For each module, we will
• Review the goals as written in the General Permit
• Clarify or expand as needed
• Review what we are doing now
• Review how we report our activities
• Look for ways to improve our effectiveness and/or efficiency
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Storm Water System
• Traditional Purpose:– Convey excess water
to a safe location
• Additional Purpose:– Remove/treat
pollutants before they reach a water body
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Stormwater System Maintenance: Employee Training
Brought to you by:
This program was developed by the Southern Rhode Island Conservation District in partnership with the URI Cooperative Extension RI NEMO Program and the Rhode Island T2 Center. Funding was provided by the RI Department of Environmental Management and the RI Department of Transportation under the Phase II Stormwater Education and Outreach Project.
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