Environment Agency monitoring directory
The River Mimram from Tewin to Hertford including Hertingfordbury
Live Environment Agency feed
Is an official warning active now?
Official area details
- Watercourse or coast
- Mimram
- Directory county
- Hertfordshire
- EA operational area
- Hertfordshire
- Coverage category
- Designated Flood Warning Area
Use this information safely
- For conditions now: use the live panel and verify on the official flood service.
- For a property: use the official long-term risk checker; this directory is not address-level evidence.
- For river levels: open a nearby monitoring station and check the reading time.
- For immediate danger: follow emergency-service instructions and call 999.
Nearby river-level stations
These are measuring instruments, not reported flood locations. A station reading must be interpreted with its timestamp, station datum and any official threshold context.
Bragbury Park
Stevenage Brook · Beane
Colney Street
River Ver · Colne (Upper)
Cheshunt, Trinity Lane
Theobalds Brook · Lower Lee
Cheshunt, Windmill Lane
Small River Lee · Lower Lee
Radlett
Radlett Brook · Colne (Upper)
Hertford, Hartham Park
River Beane · Beane
Redbourn
River Red · Colne (Upper)
Fulling Mill
River Mimram · Mimram
Nearby designated monitoring areas
Property and insurance decisions
Inclusion in an EA monitoring area does not by itself establish a property's flood probability, insurance eligibility or premium. Check the address-level official service and ask the insurer or a qualified surveyor about the property.
Read the flood insurance guide →