North Branch Muddy Creek watershed is located completely in York County, Pennsylvania. The creek generally flows north to south before it enters Muddy Creek near Muddy Creek Forks.
Monitored Drainage Area: 43.8 square miles
Population (2010): 9,820
Total Stream Length: 71.6 miles
17.3 miles are designated as Exceptional Value
Stream miles impaired and dominant source/cause: 6.8 miles impaired by agriculture and urban runoff.
Average Annual Flow at Station (NHD): 57.2 cubic feet per second (cfs)
Maximum Flow Time from Headwaters: 18 hrs. 45 min.
Land Use (2006):
Natural Gas Drilling Pads (as tracked by SRBC): 0
Permitted Natural Gas Water Withdrawals: 0 Frac Water Withdrawals
Public Water Supply: 6 Groundwater Withdrawals and 0 Surface Water Withdrawals
Permitted Discharges and Type (NPDES sites):
Underlying Geology: Schist, Phyllite