The Stormwater Coalition of Tompkins County was formed in 2003 in response the NYDEC’s implementation of the EPA’s Phase II Storm water program. The Coalition consists of 10 municipalities within Tompkins County and Cornell University. The municipalites include: Town of Caroline, Town of Danby, Town of Dryden, Town of Ithaca, City of Ithaca, Town of Lansing, Town of Newfield, Town of Ulysses, Village of Cayuga Heights, Village of Lansing, and Tompkins County.

The purpose of the Stormwater Coalition of Tompkins County is to: