A number of bridges cross the creek and the Lehigh Valley Railroad historically passed through the watershed.

After a few tenths of a mile, the creek turns south-southwest, crossing [[Rt 476, Pa Turnpike ]] and receiving another unnamed tributary from the right.

[1] Saint Johns Creek joins the Lackawanna River 2.60 miles (4.18 km) upriver of its mouth.

[4] The concentration of manganese in Saint Johns Creek above one of the former superfund sites on it was 38 parts per million in 1985.

[5] Saint Johns Creek loses its flow due to fissures created by mine subsidence.

The mouth of the creek is 500 feet (150 m) from the Old Forge Borehole, one of the largest acid mine drainage sources in the Coal Region.

[5] Environmental & Recycling Services, Inc. has a permit to discharge stormwater into Saint Johns Creek.

The creek flows steeply downhill in its upper reaches before entering a nearly level floodplain near Keyser Avenue.

[3] Extensive deposits of culm and silt occur in the watershed of Saint Johns Creek.

The Old Forge High School Campus and the Eagle McLure Fire Company grounds are also in the watershed.

[11] In Old Forge, the creek would flow out of its channel and through a low-lying area near Connell Street in the event of a 500 year flood.

[13] A concrete tee beam bridge was built over Saint Johns Creek in Old Forge in 1940.

It is 25.9 feet (7.9 m) long and carries State Route 3011/Keyser Ave. A concrete slab bridge was constructed across the creek in Taylor in 1957 and repaired in 1995.

[3] The construction of an Eagle Hose Co. CSO Regulator in the vicinity of Saint Johns Creek has been planned.

[6] Greenways and connecting trails along the creek are recommended in the Lackawanna River Watershed Conservation Plan.

[6] Due to its lack of consistent flow, Saint Johns Creek is incapable of supporting any fish or aquatic wildlife.