Total streamflow across the Rapidan River was last observed at 398 cfs, and is expected to yield approximately 790 acre-ft of water today; about 42% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 948 cfs, with recent peaks last observed on 2018-06-23 when daily discharge volume was observed at 33,970 cfs.

Maximum discharge along the river is currently at the Rapidan River Near Culpeper reporting a streamflow rate of 304 cfs. However, the streamgauge with the highest stage along the river is the Rapidan River Near Ruckersville with a gauge stage of 2.17 ft. This river is monitored from 2 different streamgauging stations along the Rapidan River, the highest being situated at an altitude of 462 ft, the Rapidan River Near Ruckersville.

The Rapidan River is a 88.3-mile-long river located in central Virginia, flowing through the Blue Ridge Mountains and into the Rappahannock River. The river has a rich history dating back to the Civil War, where it was a strategic location during the Battle of the Wilderness. The Rapidan River is known for its clean water and diverse aquatic life. It is home to several species of fish, including smallmouth bass and brook trout. The river is also used for recreational activities such as canoeing, kayaking, and fishing. There are two main reservoirs on the river: the South River and the Rapidan Dam. The South River Reservoir is primarily used for drinking water, while the Rapidan Dam is used for flood control and hydroelectric power generation. The Rapidan River is also significant for its agricultural use, as many farmers in the area rely on the river for irrigation purposes.