Downholland Brook is a 4.3-kilometre-long (2.7 mi) river (brook) in Merseyside, England, that is a tributary to the River Alt in the Alt catchment. Rising from Barton Brook in the Metropolitan Borough of Knowsley, the river flows a westerly course until reaching Moss Side, when it turns north towards Little Altcar in the Metropolitan Borough of Sefton. There, it flows into the River Alt.[1]

Water quality

Water quality of the brook in 2019, according to the Environment Agency, a non-departmental public body sponsored by the United Kingdom's Department for Environment, Food and Rural Affairs:

References