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:
LID Overview Low Impact Development “Redefining Storm Water” In Mecklenburg County Presented by: David Woodie, PE, CPSWQ Project Manager, Charlotte-Mecklenburg Storm Water Services
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
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?
Meck. Co. Office Hal Marshal Building, 1 acre Parking Lot Monitored by NCSU 60% Phos. Removal
What’s Going On? Education Ordinances New Construction Retrofits Redevelopment Restoration
Rain Garden Examples North Lake Mall, 17 Rain GardensNorth Lake Mall, 17 Rain Gardens
Lake Norman Honda
RETRO-FIT RAIN GARDEN, Function Fills with First 1” of Rainfall “First Flush” Excess Runoff Bypasses Rain Garden into Inlet
Rain Gardens, BMPs, & LID
Northcross Shopping Center
Focus Area 1 of McDowell Creek Present Projects Totaling $ 4 million In the works for 2008.
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.
Northcross back parking
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.
McDowell Ck BMP Project. Monteith Park
McDowell Ck BMP, Monteith Park
10 Acre Drainage Area 45% Impervious Private Developer, HOA, Residential Concerns, Easement Agreements Construction Sequence