[2] A total of 4 miles (6.4 km) of Plum Creek plus all of its unnamed tributaries are designated as impaired.

[4] The headwaters of Plum Creek are 0.4 miles (0.64 km) south of Millers Crossroads Church.

[4] By the early 1800s, the valley of Plum Creek had some inhabitants and was one of the major points of colonization in the area, aside from Sunbury.

[9] A concrete tee beam bridge carrying Peace Valley Road was built across the creek in 1920 1 mile (1.6 km) southeast of Hamilton and is 44.0 feet (13.4 m) long.

A steel stringer/multi-beam or girder bridge carrying State Route 4016 was built over the creek in 1939 north of Seven Points and is 51.8 feet (15.8 m) long.

Another bridge of the same type was built over the creek in that year 1.5 miles (2.4 km) southeast of Hamilton.

A concrete slab bridge carrying State Route 4013 over Plum Creek was built in 1939 and repaired in 1997.

Another bridge of the same type was built over the creek 3 miles (4.8 km) southwest of Stonington in 1939 and repaired in 1994.

A prestressed box beam or girders bridge with a length of 40.0 feet (12.2 m) was constructed across the creek 1.5 miles (2.4 km) northwest of Seven Points in 1989 and carries T-684.