Mimmshall Brook: water levels along the river

2 gauges report along Mimmshall Brook. 1 of them reads above normal for the date, and none is low.

The gauges are in Hertfordshire. Reading the gauges in order shows how a rise or a dry spell travels downstream, usually over a day or more on a big river. Autumn is often a low point for rivers after the summer, until steady rain returns.

Very lowLowNormalHighVery highFloodingNo reference yet

2 gauges

Mimmshall Brook: water levels along the river
Gauge	Level	Compared with normal	24 hours	Updated
North MymmsRiver gauge, Mimmshall Brook	0.37 m	Very high	±0	40 min ago
Mimmshall BrookRiver gauge	0.25 m	Normal	−0.02 m	40 min ago

Gauges are listed from upstream to downstream where the agency publishes river kilometres.

About Mimmshall Brook

Mimmshall Brook is a 9.8 kilometres (6.1 mi) long stream (brook) in Greater London and Hertfordshire, England. Rising from two sources—one in Hertsmere, Hertfordshire, and the other in Arkley, London Borough of Barnet—the brook drains into a catchment area of 52 km2 (20 sq mi) at Water End Swallow Holes, Welham Green, North Mymms. It is a tributary of the River Colne.