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Water Quality 2013
Advanced MGs
Master Gardeners


Low Impact Development and Understanding Stormwater BMPs.

 This unit is an addition to the material originally included in the Advanced Master Gardener – Water Steward program of study. As development progresses in Virginia it has become increasingly obvious here and nationwide that traditional engineering approaches to stormwater control are expensive to construct and maintain, and are not reliably capable of adapting to changes in the surface water environment. It has become increasingly obvious that an approach to stormwater control that includes traditional engineering approaches must also include more innovative non-traditional and non-centralized approaches. These approaches have been lumped under the term Low Impact Development or LID. Master Gardeners are increasingly asked to comment on some of these approaches, and to help their communities cope with increasing stormwater runoff as development increases the amount of impervious surface. Master Gardeners should be aware that many of the techniques described in this unit are useful and can be implemented by individuals, but they do not replace the need for engineering approaches to stormwater control.



1. Understand the basics of the runoff

2. Know how to estimate the amount of runoff from a small area

3. Become aware of stormwater Best Management Practices BMPs

4. Learn the correct way to implement LID techniques in their homes and Communities


Unit 11 - Understanding Low Impact Development – Reading List

Low Impact Development Center. 2000. Low Impact Development (LID) A Literature Review. United States Office of Water (4203) Environmental Protection Agency Washington, DC 20460. 41 pp.EPA Document # EPA-841-B-00-005 http://www.epa.gov/owow/NPS/lid/lidlit.html


Chris Brown Consulting, Jan Gerston Consulting, Stephen Colley/Architecture, Dr. Hari J. Krishna, P.E. 2005. The Texas Manual on Rainwater Harvesting Third Edition. Texas Water Development Board, Austin TX. 88 pp. http://www.scribd.com/doc/58687053/Texas-Rainwater-Harvesting-Manual-3rd-Edition

 Alyson Sappington, District Manager, TJSWCD, Martin Johnson, Conservation Field Technician, TJSWCD. COLLECTING AND UTILIZING RAINFALL RUNOFF: A Homeowner’s Manual of Ideas for Harvesting Rainwater. Thomas Jefferson Soil and Water Conservation District Charlottesville VA 22901 32.pp http://tjswcd.org/RainwaterHarvesting.html

Mike Andruczyk, Extension Agent, Chesapeake; Lynnette Swanson, Extension Agent, Norfolk; Laurie Fox, Horticulture Associate, Hampton Roads Agricultural Research and Extension Center; Susan French, Extension Agent, Virginia Beach; Traci Gilland, Extension Agent, Portsmouth. 2006. Urban Water-Quality Management: Rain Garden Plants. Virginia Cooperative Extension, Blacksburg, VA 4 pp. Extension Publication # 426-043 http://pubs.ext.vt.edu/426/426-043/426-043.html

 Stephanie Keys Golon and Dr. Judith Okay. Rain Gardens, A landscape tool to improve water quality. TECHNICAL GUIDE. Virginia Department of Forestry. 900 Natural Resources Dr. Charlottesville, VA 22903. www.dof.virginia.gov/info/index-formsdocs.htm


Unit 11 - Understanding Low Impact Development – Resources:

Advanced Master Gardener LID Overview

Ponds Module

Rain Barrel Module

Rain Garden/Bioretention Cell Module

Rain Gardens Gone Wild

Ponds and Stormwater

Low Impact Development

Low Impact Development Part 2

Drainage Issues in the landscape

Drainage Issues in the landscape (small version)






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Last modified: 09/10/13