Ironworks Creek
Ironworks Creek is a tributary of Mill Creek in Northampton Township, Bucks County, Pennsylvania, part of the Neshaminy Creek, and of the Delaware River watersheds. Statistics. Rising near Richboro, Ironworks creek flows in a generally south and southeasterly course passing through Springfield Lake finally meeting its confluence at Mill Creek's 1.90 river mile, its watershed is approximately . Pennsylvania Department of Environmental Protection designation is 02526. US Geological Survey designation is 1192672. Tributaries. Ironworks Creek has three unnamed tributaries, one of which joins within the Churchville Reservoir, a lake constructed in 1942 by damming up a section of  the creek. The Churchville Nature Center, a facility of the Bucks County Parks and Recreation that operates a 55 acre environmental education center and nature preserve adjacent to the reservoir, works on protecting the 700+ acres of the watershed formed around the Ironworks Creek. Geology. Ironworks Creek lies within the Stockton Formation, a sedimentary layer of rock laid down during the Triassic. Mineralogy includes sandstone, arkosic sandstone, siltstone, shale, and mudstone. Municipalities. The stream and it tributaries lie wholly within Northampton Township.