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LID Overview Low Impact Development “Redefining Storm Water” In Mecklenburg County Presented by: David Woodie, PE, CPSWQ Project Manager, Charlotte-Mecklenburg.

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Presentation on theme: "LID Overview Low Impact Development “Redefining Storm Water” In Mecklenburg County Presented by: David Woodie, PE, CPSWQ Project Manager, Charlotte-Mecklenburg."— Presentation transcript:

1 LID Overview Low Impact Development “Redefining Storm Water” In Mecklenburg County Presented by: David Woodie, PE, CPSWQ Project Manager, Charlotte-Mecklenburg Storm Water Services

2 WATERSHED / BASINS 330± miles of FEMA streams330± miles of FEMA streams 32 watersheds32 watersheds All water in Mecklenburg County (except Catawba River) originates in Mecklenburg CountyAll water in Mecklenburg County (except Catawba River) originates in Mecklenburg County

3 McDowell Watershed Improvement Stream Banks Disappear SedimentAppears

4 What is L.I.D. ? Where can I get it? Where can I get it? What Size Do I need? How Much will it Cost? What does it do? It Depends! Where does it go?

5 Meck. Co. Office Hal Marshal Building, 1 acre Parking Lot Monitored by NCSU 60% Phos. Removal

6 What’s Going On? Education Ordinances New Construction Retrofits Redevelopment Restoration

7 Rain Garden Examples North Lake Mall, 17 Rain GardensNorth Lake Mall, 17 Rain Gardens

8 Lake Norman Honda

9 RETRO-FIT RAIN GARDEN, Function Fills with First 1” of Rainfall “First Flush” Excess Runoff Bypasses Rain Garden into Inlet

10 Rain Gardens, BMPs, & LID

11 Northcross Shopping Center

12 Focus Area 1 of McDowell Creek Present Projects Totaling $ 4 million In the works for 2008.

13 Northcross Shopping Center, McDowell Ck BMP Project. -60 Acres of impervious Area, No storm water control devices million gallons of storm water runoff from a 1 inch rain storm. -Draining to McDowell Creek, Mtn. Island Lake, drinking water supply. Helping to achieve water quality one Rain Garden at a time.

14 Northcross back parking

15 Northcross Shopping Center, McDowell Ck BMP Project. -45 Tenants, -Private Property -Easements -Rezoning -Approved -10 Rain Gardens -30% treated -Construction delays 10 months -Utilities -Design changes Helping to achieve water quality one Rain Garden at a time.

16 Northcross

17 McDowell Ck BMP Project. Monteith Park

18 McDowell Ck BMP, Monteith Park

19 10 Acre Drainage Area 45% Impervious Private Developer, HOA, Residential Concerns, Easement Agreements Construction Sequence

20 McDowell Ck BMP, Monteith Park

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24 Ange Propery Wetland Project.

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26 Looking SW toward the streamconfluence

27 Ange Propery Wetland Project.


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