Mangerton River

50.7642°N 2.7079°W / 50.7642; -2.7079

The river in December 2011, near West Milton

The Mangerton River or Mangerton Brook is a 13.37 km (8.31 mi)^[1] long river in Dorset, England that is a tributary of the River Asker.^[2] The river rises at Powerstock and flows westward through the small village of West Milton (at the centre of the river), then southward through the hamlet Mangerton, before flowing into the River Asker at Bradpole, near Bridport, which itself flows into the River Brit.^[3][4] It also flows through the West Dorset Alder Woods protected area.

Mangerton River powers the Grade II-listed Mangerton Mill.^[5][6]

Water quality

Water quality of the Mangerton River in 2019, according to the Environment Agency:

Section	Ecological Status	Chemical Status	Overall Status	Length	Catchment	Channel
Mangerton Brook[7]	Good	Fail	Moderate	13.378 km (8.313 mi)	25.484 km2 (9.839 sq mi)