Millers Run
| Millers Run | |
|---|---|
Millers Run in its lower reaches
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| Basin features | |
| Main source | hill in Ralpho Township, Northumberland County, Pennsylvania between 900 and 920 feet (270 and 280 m) |
| River mouth | Shamokin Creek in Ralpho Township, Northumberland County, Pennsylvania 574 ft (175 m) 40°50′21″N 76°35′03″W / 40.8393°N 76.5842°WCoordinates: 40°50′21″N 76°35′03″W / 40.8393°N 76.5842°W |
| Progression | Shamokin Creek → Susquehanna River → Chesapeake Bay |
| Basin size | 5.48 sq mi (14.2 km2) |
| Physical characteristics | |
| Length | 4.1 mi (6.6 km) |
Millers Run is a tributary of Shamokin Creek in Northumberland County, Pennsylvania, in the United States. It is approximately 4.1 miles (6.6 km) long and flows through Ralpho Township. The watershed of the stream has an area of 5.48 square miles (14.2 km2). The stream is not impacted by mining and is not designated as an impaired waterbody. It is a small stream near the lower Shamokin Creek watershed. A number of bridges have been constructed over it. The watershed of Millers Run is designated as a Coldwater Fishery and a Migratory Fishery.
Millers Run begins on a hill in Ralpho Township. It enters a valley and flows west-southwest for several tenths of a mile before turning west. After a few tenths of a mile, it turns west-southwest. Several tenths of a mile further downstream, the stream turns northwest for more than a mile before turning west and flowing alongside Gilgers Ridge. After a few tenths of a mile, it turns south and then northwest before reaching its confluence with Shamokin Creek.
Millers Run joins Shamokin Creek 16.84 miles (27.10 km) upstream of its mouth.
Millers Run is an unimpaired waterbody, as are all other streams in its watershed. It is not impacted by mining.
In April 1975, the specific conductance of Millers Run was measured to be 71 micro-siemens per centimeter. The concentration of water hardness in the stream was 22 milligrams per liter (0.022 oz/cu ft).
In April 1975, the concentrations of sodium and potassium in the filtered water of Millers Run were 2.90 and 0.80 milligrams per liter (0.00290 and 0.00080 oz/cu ft). The magnesium and calcium concentrations in the filtered water were 2.50 and 4.50 milligrams per liter (0.00250 and 0.00449 oz/cu ft). The strontium and barium were only 30 and 40 micrograms per liter (3.0×10−5 and 4.0×10−5 oz/cu ft) and the beryllium concentration was less than 10 micrograms per liter (1.00×10−5 oz/cu ft).
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