Environment Agency monitoring directory
The River Arun at Horsham, from Amiesmill Bridge to Hills Farm Lane, including Millbay Lane, Tanbridge Park, Arunside, and Ridgehurst Drive
Live Environment Agency feed
Is an official warning active now?
Official area details
- Watercourse or coast
- River Arun
- Directory county
- West Sussex
- EA operational area
- West Sussex
- 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.
Nearby designated monitoring areas
The River Arun at Amberley, including Bury, Houghton Bridge, and South Stoke
River Arun · designated warning area
The River Arun from Broadbridge Heath to Pallingham Quay, including Broadbridge Heath, Slinfold, Wanford Mill, Gibbons Mill, Newbridge, and Pallingham Lock
River Arun · designated warning area
The River Arun at Arundel, including Warningcamp, and Burpham
River Arun · designated warning area
The River Arun at Pulborough, including Greatham Bridge
River Arun · designated warning area
The River Arun at Ford and Climping
River Arun · designated warning area
River Road, Arundel, near Tarrant Wharf and Arun Street
River Arun · designated warning area
River Road, Arundel, near Tarrant Wharf and Arun Street
River Arun · designated alert area
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 →