7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

1/22

Visions of 740 Million Gallons:

MMSDs New Regional Green Infrastructure Plan

Clean Rivers, Clean Lake2013

Karen L. Sands, AICP

Milwaukee Metropolitan Sewerage District

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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Milwaukee Metropolitan Sewerage District

We Serve:

1.1 Million Customers

28 Municipalities

411 Square Miles

We Protect the Public & LakeMichigan:

Convey/Store/Reclaim Wastewater

Manage Flooding

We Have:

300 Miles of Sewers (municipalitiesand individuals have 6,000 miles!)

521 MG Tunnel System

2 Water Reclamation Facilities

4/30/2013

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

3/22

Regional Green Infrastructure Plan

Implement the 2035 Vision

Help Prioritize GI Funding Decisions

Provide Input to Next Facilities Plan

Logically Implement WPDES GI Goals

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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Regional GI Plan / 2035 Vision Goal

Capture 0.5 of Rainfall = 740 MG

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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How Much is 740 Million Gallons?

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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GI Evaluated in the Plan For

GI Opportunities/Benefits Public/Private Property

Watershed Conditions

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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Green Infrastructure Recommendations,By GI Strategy

740 MG =

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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Green Infrastructure by Surface Type

Impervious Area: Airport

Buildings Parking Lots Streets

Turf Grass Area

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7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

9/22

Green Infrastructure by Surface Type

Impervious Area: Airport

Buildings Parking Lots Streets

Turf Grass Area

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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Green Infrastructure Benefits

Economic Benefits

Social Benefits

Environmental Benefits

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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GI Benefits/Opportunities

Parks

Redevelopment

Existing Neighborhood GI

Vacant Land

Future Watercourse Projects

Selective Sewer Separation

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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High-priority Areas, by Watershed

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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Recommendations Support Other Initiatives

MMSD:

PP II

TMDLs

Flood Management

Partners:

WatershedRestoration Plans

Other GI Initiatives

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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How Do GI & PP II Intersect? Rain Gardens!

Discharge to MowedGrass

Discharge to RainGarden

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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Provides Watershed-specific Summaries

Recommendations

Amount and Cost ofEach GI Strategy

Amount of

Impervious Area

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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GI Plan Investment by Surface Type

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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Who Much of Each Strategy?

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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Where Will Green Infrastructure Go?

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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Key Next Steps

Expand Collaboration

Develop Programs /

Implement Projects

Standardize

Fund

Learn, Share, Adapt

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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So J ust How Will We Track Success?

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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Whats So Groundbreaking? 1st Plan

Emphasizing Combined&Separate SewerService Areas

Supporting PrivateProperty Inflow &Infiltration

Promoting Turf Grasswith Soil Amendments

7/30/2019 Workshop E Visions of 740 Million Gallons: MMSD's New Regional Green Infrastructure Plan Karen Sands

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QUESTIONS?