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Metropolitan St. Louis Sewer District
Green Infrastructure and Low Impact Development
Presented by: Roland Biehl
February 23, 2013
Agenda
MSD and Where Does the Water Go
Storm Water 101
Storm Water Best Management
Practices Toolbox and Resources
MSD and Where Does the Water Go
Combined Sewer System
Separate Sewer System
MSD and Where Does the Water Go
Combined Sewer System Overflows
MSD Service Areathe Water Go
MSD and Where Does the Water Go
MSD Facts
�Serves 1.4 million people in the St. Louis
metro area
�Processes more than 330 million gallons of
�wastewater every day
�4,741 Miles of Sanitary Sewer
�1,928 Miles of Combined Sewer
�2,961 Miles of Storm Sewer
Storm Water 101
Watershed impacts
Storm Water 101
Storm Water 101� EPA
� Clean Water Act – 1972
� National Pollutant Discharge Elimination System
� Clean Water Act Amendments – 1987
� National Storm Water Program
� 1990 Phase I
� 1999 Phase II - MSD and St. Louis County must comply with this
� U.S. Environmental Protection Agency and MSD agreement
Storm Water 101� Non-Point Source Pollutants
�� Sediment, Nutrients, Oil and Grease, Road Sediment, Nutrients, Oil and Grease, Road
Salts, Metals, Pesticides, Trash/Debris, Salts, Metals, Pesticides, Trash/Debris,
BacteriaBacteria
�� Leads to erosion and water quality impactsLeads to erosion and water quality impacts
Storm Water 101
Storm Water Best Management Practices Toolbox and Resources
Green InfrastructureMultiple environmental benefits
Low Impact Development (LID)Storm water benefits
How St. Louis County meets the permit and
EPA requirements
New development: LID
Redevelopment: LID and Gray (water treatment only)
Storm Water Best Management Practices Toolbox and Resources
Low Impact Development (LID)
Slow it down
Spread it out
Soak it in
Low Impact Development
Low Impact Development
LOW IMPACT DEVELOPMENT
GRAND AVENUERAIN GARDENS AND CURB BUMP OUTS
Combined Sewer OverflowGreen Infrastructure Pilot Program
Storm Water Best Management Practices Toolbox and Resources
http://www.stlmsd.com/engineering/planreview/
bmptoolbox
� Award winning!
� Highlights: � Development Review Process
� Incorporate water quality BMPs using natural resources and selecting optimal locations
� BMP Design� Technology matrix to make the right BMP choice
� BMP Construction� Plan review checklists, BMP escrow, and inspection process to ensure your BMP installed correctly
� BMP Maintenance� Requirements and responsibilities to ensure your BMP efficiency
Storm Water Best Management Practices Toolbox and Resources
Storm Water Best Management Practices Toolbox and Resources
� New MSD maintenance brochure series
Storm Water Best Management Practices Toolbox and Resources
RANKEN JORDAN PEDIATRIC SPECIALTY HOSPITAL11365 DORSETT ROADMARYLAND HEIGHTS, MO 63043
MSD is a proud partner of Show me RainGardens,
a regional water quality effort to promote rain gardens http://www.showmeraingardens.com/
Storm Water Resources
MCM 1 and MCM 2 Highlights
Model Rain Garden Sign – Mount Calvery Church
Initiated by the MCM 1 Communication Committee
Storm Water Resources
� New program MSD
just rolled out to provide clear up to date information for the public about the EPA
agreement
� A significant goal at Project Clear is to provide relief for neighborhoods with
basement backups and sewer overflow
� MSD will pay for disconnects
� Sign-up for updates: http://www.projectclearstl.org/
