| Sealholtz Run | |
| Source1 Location: | Valley in Lower Augusta Township, Pennsylvania |
| Mouth Location: | Susquehanna River in Upper Augusta Township, Pennsylvania |
| Mouth Coordinates: | 40.8123°N -76.8365°W |
| Progression: | Susquehanna River → Chesapeake Bay |
| Length: | 2miles |
| Source1 Elevation: | between 820feetand840feetft (andft) |
| Mouth Elevation: | 427feet |
| Basin Size: | 0.77sqmi |
Sealholtz Run is a tributary of the Susquehanna River in Northumberland County, Pennsylvania. It is approximately 2miles long and flows through Lower Augusta Township and Upper Augusta Township. The watershed of the stream has an area of 0.77sqmi. The stream is not designated as an impaired waterbody. Its drainage basin is designated as a Warmwater Fishery and a Migratory Fishery.
Sealholtz Run begins in a valley in Lower Augusta Township. It flows west-southwest for several tenths of a mile before turning west-northwest, while the sides of its valley become steeper. After a few tenths of a mile, the stream turns south and then west before turning northwest. A short distance further downstream, it turns west-northwest, and leaves its valley. After a short distance, it crosses Pennsylvania Route 147 and a railroad, and reaches its confluence with the Susquehanna River.
Sealholtz Run joins the Susquehanna River 120.24miles upriver of its mouth.
Sealholtz Run is not designated as an impaired waterbody. PPL Corporation was once given a National Pollutant Discharge Elimination System permit to discharge stormwater into the stream for construction purposes.
The elevation near the mouth of Sealholtz Run is 427feet above sea level. The elevation of the stream's source is between 820feetand840feetft (andft) above sea level.
Sealholtz Run joins the Susquehanna River on the river's left bank.
The watershed of Sealholtz Run has an area of 0.77sqmi. The stream is entirely within the United States Geological Survey quadrangle of Sunbury. Its designated use is for aquatic life.
Sealholtz Run was entered into the Geographic Names Information System on August 2, 1979. Its identifier in the Geographic Names Information System is 1187195.
The drainage basin of Sealholtz Run is designated as a Warmwater Fishery and a Migratory Fishery. The stream is affected by catch and release regulations for bass.