HomeMy WebLinkAboutPW Stormwater Management Ordinance PPTStormwater Pollution Prevention
2015 Amendments to City of San Rafael's
Municipal Code Section 9.30 in support of
2013 Phase II NPDES Stormwater Permit
Compliance
Introductions
Marin County
Terri Fashing — Storm Water Program
Administrator, Marin County Storm Water
Pollution Prevention Program
Public Works Staff
Leslie Blomquist, Acting City Engineer
Diane Decicio, Senior Associate Engineer
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Clean Water Acts
Stormwater
Amendments
(1987)
Background
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Phase II Stormwater
Permit
Issued 2003 and 2013
State Water
� Resources
Control Board
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Basic Requirements
— Prohibit non-stormwater discharges to storm drains.
— Require Best Management Practices (BMPs) to
prevent pollution.
NPDES P part E 6 a. requires u s to
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These code changes will give
us t h e authority t o control
pollutant discharges.
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Ordinance Amendments Overview
• Language Modification
• Licensing and Certification of City Staff
• Illicit Discharge Response Plan
• Erosion and Sediment Control Measures
• Post Construction Measures
• Data Collection
Requirement
Stormwater Control Plan (Small Project)
Implement at least 1 site design measure(s):
• Vegetated swa le
• Rain barrel
• Bioretention facility
• Green roof
• Porous pavement
Stormwater Control Plan (Regulated Project)
• Source controls (covered trash bins)
• Site design measures to extent feasible
• Treat runoff with bioretention facilities
• Bioretention facilities provide required
hydromodification management
• Bioretention facility O&M requirements
must be transferrable with the deed of sale
Incorporate Low Impact Development
Design and Source Controls
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... and Drain Stormwater Runoff to
Bioretention Facilities
New Tasks
• Discretionary Review
• Building Permit Review
• Operations and Maintenance
• Capital Improvement Projects
• Documentation =A
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Brief Update on Phase II NPDES Permit
Compliance
• Permit provisions are phased in over the first
2-3 years of the permit term (2013-2016)
• Focus has been on the development and early
implementation of plans, procedures, and
compliance tools necessary to meet
requirements.
• Trash Capture
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Future Tasks
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Questions and Comments