The New York City Department of Environmental Protection and the Catskill Watershed Corporation have performed 5,000 septic system upgrades in the watersheds of the Catskill Mountains. Annually, three crews from the Bureau of Water Supply mow, trim, and clean the 55.5 mile cut-and-cover portion of the Catskill Aqueduct. The DEP has announced a long-term agreement with Delaware County to commit $24 million toward road repairs near Cannonsville and Pepacton Reservoirs. The DEP has provided $210,000 toward biofilter and recirculation components in the water garden at the Brooklyn Botanic Garden.