Hello everyone! Please click on the link below to REGISTER for the even through the Anacostia Watershed Society. You must be registered through their website as well as signed up on the APO website. The link will also provide important info about what to wear, etc. The times posted above includes travel time. The actual service will be completed from 9-11 am. http://www.anacostiaws.org/calendar/%E2%80%A2900-am-events-dc-anacostia-riverwalk-cleanup