Putnam County, NY- Household Hazardous Waste Collection Day for Putnam County residents is on , from at the Putnam County Department of Health, 1 Geneva Road, in Brewster, NY. Visit www.putnamcountyny.com for a list of accepted items. Pre-registration is required. Call the Putnam County Department of Health at 845-808-1390 ext. 43150 for more information and to register.