These internet sites provide additional information and resources on low impact development and how it can be successfully incorporated into stormwater management programs. 

U.S. EPA Phase II Web Site
http://cfpub.epa.gov/npdes/stormwater/swphases.cfm
EPA’s web site provides information on the Phase II program and a number of resources including fact sheets, BMP information, and permit information. 

Portland Bureau of Environmental Services - Sustainable Stormwater Program
http://www.portlandonline.com/bes/index.cfm?c=34598
Portland’s sustainable stormwater program is at the forefront of incorporating low impact development technologies into the urban environment. This site describes the city’s efforts and provides project information and photos. 

Portland Bureau of Environmental Services - Stormwater Management Manual
http://www.portlandonline.com/bes/index.cfm?c=35117
Includes a simplified method of sizing stormwater management facilities.

Seattle Public Utilities – Natural Drainage Systems
http://www.ci.seattle.wa.us/util/About_SPU/Drainage_&_Sewer_System/
Natural_Drainage_Systems/index.asp
Seattle’s natural drainage systems program is a national leader in utilizing low impact development practices. This site provides project information, photos, and economic and monitoring data. 

Puget Sound Action Team & Washington State University Pierce County Extension – Low Impact Development Technical Guidance Manual for Puget Sound
http://www.psat.wa.gov/Publications/LID_tech_manual05/lid_index.htm
This manual is a technical reference on low impact development technologies and implementation guidance.

Santa Clara Valley Urban Runoff Pollution Prevention Program – Developments Protecting Water Quality: A Guidebook of Site Design Examples
http://www.scvurppp-w2k.com/permit_c3_docs/
SCVURPPP_Site_Design_Manual.pdf
This guidebook presents a number of residential and commercial LID installations.

Low Impact Development Center
http://www.lowimpactdevelopment.org/