Muddy Creek (Slippery Rock Creek tributary)

Muddy Creek
Tributary to Slippery Rock Creek
Location of Muddy Creek mouth
Muddy Creek (Slippery Rock Creek tributary) (the United States)
Location
CountryUnited States
StatePennsylvania
CountiesButler
Lawrence
Physical characteristics
Sourcedivide between Muddy Creek and Allegheny River
  locationabout 1 mile southeast of West Sunbury, Pennsylvania
  coordinates40°59′39″N 080°10′46″W / 40.99417°N 80.17944°W / 40.99417; -80.17944
  elevation1,370 ft (420 m)
MouthSlippery Rock Creek
  location
about 0.5 miles downstream of Kennedy Mill
  coordinates
40°58′48″N 079°52′31″W / 40.98000°N 79.87528°W / 40.98000; -79.87528
  elevation
1,040 ft (320 m)
Length20.14 mi (32.41 km)
Basin size80.66 square miles (208.9 km2)
Discharge 
  locationSlippery Rock Creek
  average80.66 cu ft/s (2.284 m3/s) at mouth with Slippery Rock Creek
Basin features
ProgressionSlippery Rock CreekConnoquenessing CreekBeaver RiverOhio RiverMississippi RiverGulf of Mexico
River systemBeaver River
Tributaries 
  leftSwamp Run
Shannon Run
Big Run
Bear Run
  rightunnamed tributaries
WaterbodiesLake Arthur
BridgesVidic Road, W Sunbury Road, N Beaver Dam Road, Shroyer Mill Road, William Flynn Highway (PA 8), PA 528, W Park Road, I-79, Currie Road, Book Road, US 19

Muddy Creek is a tributary of Slippery Rock Creek in Butler and Lawrence Counties in Pennsylvania in the United States. The run is 23.2 miles (37.3 km) long, flows generally west, and its watershed is 58.2 square miles (150.7 km2) in area. Muddy Creek is the main water source for Lake Arthur in Moraine State Park.