Dundalk-Sparrows is a small, suburban community located in Baltimore County, Maryland. The climate in this area is moderate, with warm summers and cool winters. The area is also known for its high precipitation levels, which can lead to flooding during heavy rain events.

The hydrology constituents in Dundalk-Sparrows are mainly made up of the Chesapeake Bay watershed, which provides a variety of recreational opportunities such as kayaking, fishing, and boating. The area is also home to several parks, including North Point State Park and Fort Howard Park, which offer hiking trails, picnic areas, and historical sites. Overall, Dundalk-Sparrows is a great location for those who enjoy outdoor activities and natural beauty.