How do I know if I am in a flood zone? Community Services April 08, 2018 20:03 Updated Follow Related articles Is my property in the 100-Year Floodplain and what does that mean? Floodplain Information Guide Harrisburg Floodplain Map Where can I obtain a recycling bin? What housing options are available to senior citizens in the city? Comments 0 comments Please sign in to leave a comment.