Davis Run
| Davis Run | |
|---|---|
Davis Run looking downstream a few hundred feet from its mouth
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| Basin features | |
| Main source | Locust Mountain on the southern edge of East Union Township, Schuylkill County, Pennsylvania 1,280 to 1,300 feet (390 to 400 m) |
| River mouth | Catawissa Creek in East Union Township, Schuylkill County, Pennsylvania 971 ft (296 m) 40°52′28″N 76°08′45″W / 40.87441°N 76.14596°WCoordinates: 40°52′28″N 76°08′45″W / 40.87441°N 76.14596°W |
| Progression | Catawissa Creek → Susquehanna River → Chesapeake Bay |
| Basin size | 2.86 sq mi (7.4 km2) |
| Tributaries |
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| Physical characteristics | |
| Length | 1.2 mi (1.9 km) |
Davis Run is a tributary of Catawissa Creek in Schuylkill County, Pennsylvania, in the United States. It is approximately 1.2 miles (1.9 km) long. The watershed of the stream has an area of 2.86 square miles (7.4 km2). The stream is considered to be a High-Quality Coldwater Fishery and Class A Wild Trout Waters. Six species of fish inhabit the stream, including brown trout and brook trout. The main rock formations in the stream's watershed are the Mauch Chunk Formation and the Pottsville Formation and the main soils are the Leck Kill soil and the Hezleton soil. The stream has two unnamed tributaries and a lake known as the Pumping Station Reservoir.
Davis Run begins on the northern edge of Locust Mountain on the southern edge of East Union Township. It flows north for several tenths of a mile before receiving an unnamed tributary and entering a valley. It then turns west for several hundred feet. The stream then turns north-northwest and enters the Pumping Station Reservoir after a few tenths of a mile. In this reservoir, it receives another unnamed tributary. The stream leaves its valley and turns north when it exits the reservoir. Approximately two-tenths of a mile further downstream, it reaches its confluence with Catawissa Creek.
Davis Run joins Catawissa Creek 30.56 miles (49.18 km) upstream of its mouth.
Davis Run has no named tributaries. However, it has two unnamed tributaries. They are known as "Trib 27602 To Davis Run" and Trib 27601 To Davis Run".
Davis Run is an infertile stream. It has the potential to be affected by acid precipitation.
The pH of Davis Run is 6.6 and the concentration of alkalinity in the stream is 4 milligrams per liter. The alkalinity of the stream was measured using methyl orange by Graff in 1966 to be 17 milligrams per liter. This value was most likely downstream of the Pumping Station Reservoir, where chemical and biological processes increase the stream's alkalinity significantly. The total concentration of water hardness in the stream is 6 milligrams per liter. The specific conductivity of the stream's waters is 27 umhos.
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