The Green Country Stormwater Alliance

 is a coalition of Phase I and II stormwater permitted cities and counties in Oklahoma. Founded in 2005 by INCOG, GCSA Members represent half of all municipal stormwater permittees in Oklahoma. Membership is voluntary, with annual dues supporting all of INCOG’s professional stormwater services.

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The GCSA website provides stormwater information and resources for businesses and the general public, as well as technical resources for stormwater permittees. Use the buttons below to quickly navigate our resources, or log in if you are a member.

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Find Resources For:

Citizens

Learn how to get involved with water resource protection in your community.

Homeowners

Learn how to protect your home and community from stormwater pollutants.

Municipalities

Locate general information, fact sheets, and permitting resources here.

Businesses

Find resources on stormwater pollution controls for multiple business types.

Construction

Learn about sediment runoff, OKR10 stormwater permits, and runoff control.