Silver Lake Low Impact Development Field Trip: October 14, 2009

The featured

speaker for this

meeting was Sara

Cohen of DCR

who made a

presentation on

water quality and

quantity

demonstration

projects in the

Ipswich

watershed.

Demonstration #3: Permeable Paving Materials and Bioretention in a parking lot.

The field trip visited two of the demonstration projects:

Demonstration #4: Stormwater Quality Improvements Using LID Retrofits in a Lake-Side Neighborhood.

Demonstration 3

Permeable Paving

Materials and

Bioretention in a

Parking Lot

Location: Silver

Lake Beach

Parking Lot,

Wilmington, MA

http://

www.mass.gov/

dcr/watersupply/

ipswichriver/

demo3-paving.htm

A variety of permeable paving materials were evaluated.

A variety of permeable paving materials were evaluated.

Vegetated swales were one of the bioretention devices used in this demonstration.

Alan Dresios of

Lynnfield inspects

a vegetated

drainage swale.

More vegetated swales in the parking lot.

The project included signs to educate the public about the project.

Demonstration 4

Stormwater

Quality

Improvements

Using LID

Retrofits in Lake-

Side

Neighborhood

http://

www.mass.gov/

dcr/watersupply/

ipswichriver/

demo4-

lakewater.htm

A sign identifies

these plantings as

being part of a

rain garden.

Small signs

identify planted

areas as being

rain gardens.

Rain gardens

were placed

adjacent to the

roadway.

Curb cuts are

needed to allow

street runoff to

drain into the

rain gardens.

Rain gardens

utilize a variety of

vegetation.

http://www.mass.gov/dcr/watersupply/ipswichriver/index.htm

Additional Outreach Materials available on the web site include:

 Tour Guide: Low-Impact Development Demonstration Proje

cts, Ipswich and Wilmington, June 9, 2009.

 Silver Lake Project brochure  Homeowner guide to raingarden maintenance

The state maintains a web site with much more information

on this project.