Trexler Run
| Trexler Run | |
|---|---|
Trexler Run looking upstream from Pine Swamp Road
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| Basin features | |
| Main source | valley on Little Mountain in Roaring Creek Township, Columbia County, Pennsylvania 1,560 ft (480 m) |
| River mouth | Little Catawissa Creek in Union Township, Schuylkill County, Pennsylvania 1,000 ft (300 m) 40°51′51″N 76°15′13″W / 40.86423°N 76.25360°WCoordinates: 40°51′51″N 76°15′13″W / 40.86423°N 76.25360°W |
| Progression | Little Catawissa Creek → Catawissa Creek → Susquehanna River → Chesapeake Bay |
| Basin size | 3.4 sq mi (8.8 km2) |
| Physical characteristics | |
| Length | 3.4 mi (5.5 km) |
| Discharge |
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Trexler Run is a tributary of Little Catawissa Creek in Columbia County and Schuylkill County, in Pennsylvania, in the United States. It is approximately 3.4 miles (5.5 km) long and flows through Roaring Creek Township in Columbia County and Union Township in Schuylkill County. The watershed of the stream has an area of 3.81 square miles (9.9 km2). The stream is considered to be a High-Quality Coldwater Fishery and Class A Wild Trout Waters. The main rock formations in the stream's watershed are the Mauch Chunk Formation, the Pocono Formation, and the Pottsville Formation and the main soil is the Leck Kill soil. Both brook trout and brown trout inhabit the stream, as do several other species of fish.
Trexler Run begins in a valley on Little Mountain in Roaring Creek Township, Columbia County. It flows south-southeast for several tenths of a mile, exiting Roaring Creek Township and Columbia County.
Upon exiting Columbia County, Trexler Run enters Union Township, Schuylkill County. It continues south-southeast, crossing State Route 4036, for a short distance before receiving an unnamed tributary and turning east in a valley. After some distance, it crosses State Route 4036 again and continues east and slightly north. The stream eventually turns north for a short distance before turning east-northeast. After slightly more than a mile, it reaches its confluence with Little Catawissa Creek.
Trexler Run joins Little Catawissa Creek 4.24 miles (6.82 km) upstream of its mouth.
Trexler Run is infertile and slightly acidic. It has the potential to be affected by acid precipitation.
The concentration of alkalinity in Trexler Run was measured to be 4 milligrams per liter in 1985. More recently, in 1997, it was measured to be 10 milligrams per liter. The pH of the stream was measured to be 6.4 in 1985 and 6.6 in 1997. The water hardness of the stream is 15 milligrams per liter.
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