Sullivan Branch
| Sullivan Branch | |
|---|---|
| Basin features | |
| Main source | North Mountain in Davidson Township, Sullivan County, Pennsylvania 2,380 to 2,400 feet (730 to 730 m) |
| River mouth | East Branch Fishing Creek in Davidson Township, Sullivan County, Pennsylvania 1,340 to 1,360 feet (410 to 410 m) |
| Progression | East Branch Fishing Creek → Fishing Creek → Susquehanna River → Chesapeake Bay |
| Basin size | 5.81 sq mi (15.0 km2) |
| Tributaries |
|
| Physical characteristics | |
| Length | 3.3 mi (5.3 km) |
| Discharge |
|
Sullivan Branch (also known as Sullivan Run or the Sullivan Branch of East Branch Fishing Creek) is a tributary of East Branch Fishing Creek in Sullivan County, Pennsylvania, in the United States. It is approximately 3.3 miles (5.3 km) long and flows through Davidson Township.
Sullivan Branch is acidic, with an average pH ranging from 3.99 to 4.19. The stream contains dissolved oxygen and dissolved aluminum. It also has a large number of waterfalls. The upper reaches of the stream are on North Mountain.
Sullivan Branch is designated as a high-quality coldwater fishery. It is in the Pennsylvania State Game Lands Number 13.
Sullivan Branch begins in northern Davidson Township. It flows east for a short distance before turning southeast and entering a valley. After more than a mile, it receives the tributary Ore Run and turns south-southeast. The valley of the stream is approximately 400 feet (120 m) deep at this point. Eventually, Sullivan Branch receives the tributary Hunts Run and turns southeast. Shortly afterwards, it merges with Big Run to form East Branch Fishing Creek.
Tributaries of Sullivan Branch include Ore Run, Hunts Run, and Pigeon Run. The watershed of Ore Run has an area of 0.78 square miles (2.0 km2). The watershed of Hunts Run has an area of 0.40 square miles (1.0 km2). The watershed of Pigeon Run has an area of 0.78 square miles (2.0 km2).
The discharge of Sullivan Branch at its headwaters is 3,276,000 gallons per day. The concentration of aluminum in Sullivan Branch at its headwaters is 0.43 milligrams per liter. The daily load of aluminum there is 11.77 pounds (5.34 kg). The concentration of acidity is 7.26 milligrams per liter and the concentration of alkalinity is 5.03 milligrams per liter. The daily loads of these substances are 197.74 pounds (89.69 kg) and 137.60 pounds (62.41 kg), respectively.
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