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Green Infrastructure/Rainscaping

RainGarden-OlivetteGreen Infrastructure, also known as Rainscaping, uses vegetation, soils and natural processes to manage stormwater and create healthier urban environments.  The aim is to reduce the impact of built areas and to promote the natural movement of water within an ecosystem or watershed.  Rainscaping techniques can be implemented at the neighborhood, city or county level.

Brochure: Rainscaping – A guide to local projects in St. Louis


The Water Resources Toolbox contains information on rainscaping and Low Impact Development (LID) approaches and techniques.  This information was assembled by East -West Gateway's Water Resources Committee and Gateway staff.   from the U.S. Environmental Protection Agency, Missouri Department of Conservation and East-West Gateway's Water Resources Committee.  The Toolbox is a beginning reference document and the contents of this section are for information purposes only.


Low Impact Development Best Management Practices Toolbox

Best Management Practices (BMPs) can be physical structures or the implementation of programs designed to control or reduce the quality and quantity of stormwater runoff on a site.  Structural BMPS are physical features designed to delay, capture, store, filter or treat stormwater runoff at either the point of generation or the point of discharge.  Nonstructural BMPs are preventative actions designed to reduce the amount of stormwater and pollution

Aquatic Buffer

An aquatic buffer is an area along a shoreline, wetland or stream where development is restricted or prohibited.  Buffers serve as natural boundaries between streams, lakes or wetlands and existing or future development.

Aquatic Buffers Overview and Model Ordinance

Erosion and Sediment Controls at Construction Sites

These are methods to help reduce erosion at construction sites which will help to reduce pollutants in stormwater runoff and to trap and hold eroded sediments on site.

Erosion Control for the Home Builder by the Indiana Department of Natural Resources

Stormwater Treatment Practices

Stormwater treatment practices involve the preparation of site plans and construction of on-site facilities (such as retention and/or detention basins) or the implementation of nonstructural programs designed to maintain the quality and quantity of stormwater runoff on a site to pre-development levels.  Structural BMPs are physical features designed and built to delay, capture, store, filter, or treat stormwater runoff, either at the point of generation or the point of discharge. Structural BMPs can be operated by the public sector or the private sector. Nonstructural BMPs are preventative actions designed to reduce the amount of stormwater and pollution and to prevent pollutants from entering runoff.  Nonstructural BMPs can be focused on the actions of residents, government, business and industry.

Better Site Design

Better site design includes a variety of methods designed to reduce impervious cover, promote conservation of natural areas and encourage effective stormwater management and treatment at its sources.  These techniques are focused on new residential and commercial development.

Low Impact Development
Low Impact Development Public Outreach

Control of Non-Stormwater (Illicit) Discharges

Control of non-stormwater discharges can include the development of an illicit discharge detection process and related elimination program.  Trash and other types of materials dumped in inappropriate places like storm drains, streams or rivers can contaminate wells and surface waters.  Water in a stormwater inlet often goes directly to streams or rivers without any kind of treatment.  In addition, failing septic systems can have a negative impact on water quality.

Watershed Stewardship

Watershed stewardship involves the direct engagement of the public, local government staff and local officials about the effects of stormwater runoff and nonpoint pollution on water quality.  It, also, involves educating the general public and elected officials as to the actions they can take to improve water quality in their watersheds.  Listed below are several links to facilitate this process.

Public Involvement/Participation Best Management Practices
Public Education and Outreach Best Management Practices
Pollution Prevention/Good Housekeeping for Municipal Operations Best Management Practices

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East-West Gateway Council of Governments
One Memorial Dr., Ste 1600
St. Louis, MO  63102
phone:  (314) 421-4220 or (618) 274-2750
    fax: (314) 231-6120


last update:  Thursday, September 29, 2016