Little Roaring Brook
| Little Roaring Brook | |
|---|---|
| Basin features | |
| Main source | Marshwood Reservoir in Olyphant, Lackawanna County, Pennsylvania between 1,520 and 1,540 feet (460 and 470 m) |
| River mouth | Roaring Brook in Dunmore, Lackawanna County, Pennsylvania 1,010 ft (310 m) 41°24′52″N 75°36′35″W / 41.41446°N 75.60966°WCoordinates: 41°24′52″N 75°36′35″W / 41.41446°N 75.60966°W |
| Progression | Roaring Brook → Lackawanna River → Susquehanna River → Chesapeake Bay |
| Basin size | 3.06 sq mi (7.9 km2) |
| Physical characteristics | |
| Length | 3.4 mi (5.5 km) |
Little Roaring Brook is a tributary of Roaring Brook in Lackawanna County, Pennsylvania, in the United States. It is approximately 3.4 miles (5.5 km) long and flows through Olyphant, Throop, and Dunmore. The watershed of the stream has an area of 3.06 square miles (7.9 km2). It contains several watersheds: Dunmore Reservoir Number One, Marshwood Reservoir, and Dunmore Reservoir Number Three. Some strip mining has been done in the stream's vicinity and it has a high load of sediment. The surficial geology in the stream's vicinity consists of Wisconsinan Till, surface mining land, bedrock, urban land, and wetlands.
Little Roaring Brook begins at the Marshwood Reservoir in Olyphant. It flows west-southwest for several tenths of a mile, entering Throop and flowing into a valley. It then turns south before turning south-southwest and entering Dunmore. It then turns west-southwest for nearly a mile before entering Dunmore Reservoir Number One. From the southwestern edge of the reservoir, it flows west-northwest for several tenths of a mile, crossing Interstate 380. The stream then turns southeast and flows down a steep slope to its confluence with Roaring Brook.
Little Roaring Brook joins Roaring Brook 4.70 miles (7.56 km) upstream of its mouth.
Little Roaring Brook has no named tributaries. However, it does have three unnamed tributaries.
Little Roaring Brook has a high load of sediment. There is also trash and debris along it in some reaches.
The peak annual discharge of Little Roaring Brook has a 10 percent chance of reaching 750 cubic feet per second. It has a 2 percent chance of reaching 1720 cubic feet per second and 1 percent chance of reaching 2350 cubic feet per second. The peak annual discharge has a 0.2 percent chance of reaching 5150 cubic feet per second.
The elevation near the mouth of Little Roaring Brook is 1,010 feet (310 m) above sea level. The elevation near the stream's source is between 1,520 and 1,540 feet (460 and 470 m) above sea level.
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