There are no flood alerts in this area
Mimmshall Brook flood alert area
We'll update this page when there's a flood alert in the area, which means flooding to low lying land is possible.
Flood alert area: The Mimmshall Brook at Warrengate Road including South Mimms, Potters Bar, Brookmans Park and Welham Green.
Find a river, sea, groundwater or rainfall level in this area