- Source: Mill Creek (Roaring Creek tributary)
Mill creek" target="_blank">Creek is a tributary of Roaring creek" target="_blank">Creek in Columbia County, Pennsylvania, in the United States. It is approximately 3.1 miles (5.0 km) long and flows through Roaring creek" target="_blank">Creek Township and Locust Township. The watershed of the creek" target="_blank">creek has an area of 4.98 square miles (12.9 km2). The creek" target="_blank">creek is considered to be a High-Quality Coldwater Fishery and Class A Wild Trout Waters. Numerous species of macroinvertebrates inhabit it. The creek" target="_blank">creek was named from the presence of a mill.
Course
Mill creek" target="_blank">Creek begins on Catawissa Mountain in Roaring creek" target="_blank">Creek Township. It flows south-southwest for slightly over a thousand feet before turning southwest for several tenths of a mile. It then turns west for a few tenths of a mile before turning southwest and receiving an unnamed tributary. The creek" target="_blank">creek then turns west-northwest and passes through the community of Kulp. Near Kulp, it crosses State Route 2003 and flows west-southwest for approximately a mile, flowing through a valley. The creek" target="_blank">creek then enters Locust Township and turns west, leaving the valley and flowing through a plain. After a few tenths of a mile, it reaches its confluence with Roaring creek" target="_blank">Creek.
Mill creek" target="_blank">Creek joins Roaring creek" target="_blank">Creek 15.02 miles (24.17 km) upstream of its mouth.
= Tributaries
=Mill creek" target="_blank">Creek has two unnamed tributaries.
Hydrology
The concentration of alkalinity in the waters of Mill creek" target="_blank">Creek is 11 milligrams per liter. The pH of the creek" target="_blank">creek is 6.6. The total concentration of water hardness is 20 milligrams per liter. The creek" target="_blank">creek is significantly impacted by agriculture.
At 2:25 P.M. on June 14, 2004, the air temperature in the vicinity of Mill creek" target="_blank">Creek at a point 1.30 miles (2.09 km) upstream of its mouth was 24.0 °C (75.2 °F). The water temperature of the creek" target="_blank">creek at that place and time was 14.8 °C (58.6 °F). The specific conductivity of the creek" target="_blank">creek's waters is 49 micromhos.
A visual assessment of Mill creek" target="_blank">Creek in October 2007 had a result of 19 out of 28. Its scores on the seven components of the assessment were mostly 3 on a scale of 1 to 4, but it also scored 2 on some components.
Mill creek" target="_blank">Creek is an infertile stream with cold water.
Geography
The elevation near the mouth of Mill creek" target="_blank">Creek is 846 feet (258 m) above sea level. The elevation of the creek" target="_blank">creek's source is between 1,380 feet (420 m) and 1,400 feet (430 m).
Mill creek" target="_blank">Creek is a relatively small stream, with a width of 4.2 feet (1.3 m). It has a gradient of 29.8 meters per kilometer. There are deep holes on the creek" target="_blank">creek, which are described as an "excellent physical habitat" in the Roaring creek" target="_blank">Creek Coldwater Conservation Plan.
Watershed
The watershed of Mill creek" target="_blank">Creek has an area of 4.98 square miles (12.9 km2). The mouth of the creek" target="_blank">creek is in the east-central part of Locust Township. There are forests for most of its length and also forests along most of the lengths of its unnamed tributaries. The creek" target="_blank">creek is the smallest tributary of Roaring creek" target="_blank">Creek.
A total of 48 percent of the length of Mill creek" target="_blank">Creek is within 100 metres (330 ft) of a road. 82 percent is within 300 metres (980 ft) of a road and 90 percent is within 500 metres (1,600 ft) of one. It is difficult to access portions of Mill creek" target="_blank">Creek because the entire length of the creek" target="_blank">creek is on private land that is closed to the public. In 2000, the population density of the watershed was 18 people per square kilometer.
Mill creek" target="_blank">Creek is in the United States Geological Survey quadrangle of Shumans. The headwaters of the creek" target="_blank">creek are near the Pennsylvania State Game Lands Number 58.
History and etymology
Mill creek" target="_blank">Creek is named after a mill known as the Mowrey Mill. This mill was built by Abner Hampton in 1820. Volunteers from the Roaring creek" target="_blank">Creek Valley Conservation Association performed a visual assessment on the creek" target="_blank">creek on October 1, 2007. However, the creek" target="_blank">creek is the only stream in the watershed of Roaring creek" target="_blank">Creek that was not studied by the Pennsylvania Fish and Boat Commission prior to a 2009 survey of the watershed.
Biology
Mill creek" target="_blank">Creek is considered by the Pennsylvania Fish and Boat Commission to be Class A Wild Trout Waters between its headwaters and its mouth. The creek" target="_blank">creek is also considered by the Pennsylvania Department of Environmental Protection to be a High-Quality Coldwater Fishery. It is inhabited by both brook trout and brown trout. A total of five species of fish inhabit the creek" target="_blank">creek: brook trout, brown trout, eastern blacknose dace, white suckers, and creek" target="_blank">creek chub. The Roaring creek" target="_blank">Creek Coldwater Conservation Plan advises against the stocking of trout in the creek" target="_blank">creek.
The biomass of wild brown trout in Mill creek" target="_blank">Creek is 48.28 kilograms per hectare and the biomass of wild brown trout is 23.92 kilograms per hectare. There are an estimated 110 brown trout per kilometer that are more than 7 inches (18 cm) in length and an estimated 83 brook trout per kilometer of that length. There are an estimated 561 brown trout and 423 brook trout more than 7 inches (18 cm) in length in the creek" target="_blank">creek. The largest brook trout are 11 inches (28 cm) long and the largest brown trout are 12 inches (30 cm) long. Mill creek" target="_blank">Creek is the only stream in the watershed of Roaring creek" target="_blank">Creek where wild brook trout are common.
A total of 24 macroinvertebrate taxa inhabit Mill creek" target="_blank">Creek. The taxa Hydropsychidae, Nigronia, and Philopotamidae are common in the creek" target="_blank">creek. Macroinvertebrate taxa that are less common, but still present, include Ephemerellidae, Gomphidae, Heptageniidae, Limnephilidae, Perlidae, Perlodidae, Pteronarcyidae, and Sialidae. Rare macroinvertebrate taxa in the creek" target="_blank">creek include Baetidae, Cambaridae, Dytiscidae, Ephemeridae, Isonychiidae, Leptophlebiidae, Limnephilidae, and several others.
See also
List of rivers of Pennsylvania
Lick Run (Roaring creek" target="_blank">Creek), next tributary of Roaring creek" target="_blank">Creek going downstream
References
External links
Map of the Roaring creek" target="_blank">Creek watershed
Kata Kunci Pencarian:
- Mill Creek (Roaring Creek tributary)
- Mill Creek
- Roaring Creek (Pennsylvania)
- Brandywine Creek (Christina River tributary)
- Spring Creek
- Roaring Run (Bowman Creek tributary)
- List of rivers of North Carolina
- List of rivers of Tennessee
- Little Roaring Creek
- Muncy Creek
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