Stormwater Management (USGBC-IL)

Sustainable Sites for Stormwater Managment

New Tools for Sustainable Site Development

by

Tom Barrett

Green Water Infrastructure, Inc.Copyright © 2010 by Tom Barrett

The GREENEconomy

Low Impact Site Development

Planting Trees

Pesticide IssuesAtrazine, Nitrogen, Phosphorous

How Much Rain Falls in Chicago?

•January - 1.86"•February - 1.58"•March - 2.59"•April - 3.28"•May - 3.75"•June - 4.08"•July - 3.39"•August - 3.38"•September - 2.91" •October - 2.65"•November - 2.09"•December - 1.88"•Total 33.44"

Image of Rain Falling

How Much Water Falls in Chicago?

•January - 2,727 gallons•February - 2,540•March - 4,130•April - 5,735•May - 5,268•June - 5,657•July - 5,470•August - 7,200•September - 5,096 •October - 4,223•November - 4,691•December - 3,787•Total 56,525


2,500 sq. ft. Roof


•January - 11,880 gallons

•February - 11,065

•March - 17,990

•April - 24,982

•May - 22,945

•June - 24,642

•July - 23,828

•August - 31,363

•September - 22,199

•October - 18,397

•November - 20,434

•December - 16,496

•Total 246,221


¼ Acre Residential Property




•March - 215,876

•April - 299,783

•May - 275,344

•June - 295,710

•July - 285,934

•August - 376,358


•October - 220,764



•Total 2,954,654


3 Acre Commercial Property




•March - 719,581

•April - 999,267

•May - 917,805

•June - 985,690

•July - 953,105

•August - 1,254,515


•October - 735,873



•Total 9,848,756

City Block (660’ x 660’ – 10 acres)

Untapped Reservoir

Untapped Reservoir

Untapped Reservoir

Untapped Reservoir

Untapped Reservoir

Stormwater Mitigation

Collection runoff near the source

Slow it down

Soak it in

Filter it

Apply it to the landscape

Create habitats

Rain Gardens

Plant Choices

Choose plants based on the need for light and

soil type.

Location

Rain gardens are often located at the end of a roof or drain spout.

Depth

A typical Rain Garden is between four to eight inches deep.

Size

A Rain Garden usually five to ten percent of the impervious surface

area.

Soil

A tpical mix is 65% sand, 15% top soil, 25% organic matter.

Rain Garden

Porous Paving

Green RoofsPhipps Conservatory - Pittsbrgh

Green Roofs

Green RoofsAqualand, St. Charles, Illinois

Green Roofs

Rainwater Harvesting

Wastewater

It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change.

- Charles Darwin

In nature there is no good

or bad;

there are only

consequences.

- Anonymous

Just Do It

Green • Water • Infrastructure





Stormwater Management (USGBC-IL)

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