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No official flood warning is active nearby and the closest river stations are within normal ranges.
Updated 2026-10-09 13:00:49 UTC · Official GOV.UK warnings · Flood preparation & help guide
Trowbridge Southwick is monitored by 1 Environment Agency river level station on the Lambrok Stream, in Wiltshire. Water levels are updated every 15 minutes.
Towns and villages near Trowbridge Southwick with a page of their own: the homes in a flood risk area there, the nearest river gauges, and recorded floods.
Westbury · Bradford-on-Avon · Frome · Warminster
Place names: Contains OS data © Crown copyright and database rights 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Contains National Statistics data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.
The nearest watercourse on the river map is Lambrok Stream, about 10 m from the middle of Trowbridge Southwick's gauges. It flows into the River Biss about 4.8 km downstream.
A gauge downstream shows water that has already passed this point; one upstream sees it first. Distances along the river are from the point on Lambrok Stream nearest the middle of Trowbridge Southwick's gauges. From Ordnance Survey’s river map (OS Open Rivers), which leaves out small streams, ditches and culverts, so a nearer one may exist. This describes where water goes on the map; it says nothing about flooding at any address. Contains OS data © Crown copyright and database rights 2026.
Trowbridge Southwick is monitored by 1 Environment Agency river level station on the Lambrok Stream, in Wiltshire. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.
The Lambrok Stream is monitored by 1 station (Trowbridge Southwick). Each station records water levels continuously, with data synced to FloodRadar every 5 minutes.
There are 8 Environment Agency flood warning areas within 10km of Trowbridge Southwick. When the EA issues a flood warning for any of these areas, it will appear on this page. These include: River Biss and tributaries between Westbury and Trowbridge; Hawkeridge, Dursley, Yarnbrook, Biss Meadows Country Park and downstream of Trowbridge at Trowle Bridge and Bradford Road; County Way Road to River Way Road, including the Library, the area around Town Bridge and River Way Road and other riverside roads and properties in Trowbridge; Heather Shaw Road and West Ashton Road on the Paxcroft Brook and riverside properties on the Lambrok Stream including low lying land at Southwick and Lambrok Close, Berkeley Road, Acacia Crescent and Albion Drive in Trowbridge.
There are 17 storm overflows within 5km of Trowbridge Southwick. None of the 17 with a reporting monitor are currently discharging. Enable "Sewage" on the map above to see their locations.
6 of them, nearest first, with their own page of live status and past discharges:
If flooding is forecast in Trowbridge Southwick, call Floodline on 0345 988 1188 for the latest information. Move valuables upstairs, turn off gas and electricity if safe to do so, and avoid walking or driving through flood water. Sign up for flood warnings on any station page above to receive email alerts when water levels rise. For emergency numbers, a preparation checklist and insurance guidance, see our flood help & preparation guide.
Trowbridge Southwick gets about 810 mm of rain a year on average (wettest month November, 86 mm; driest March, 54 mm). That is 30% drier than the UK as a whole, which averages 1,163 mm a year. See the rain gauges →
A thirty-year average for the area, not a forecast and not a flood risk on its own. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.7 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
Floods whose mapped extent (EA Recorded Flood Outlines) reached within ~5 km of the town centre — most recent first. These are records of mapped extents, not a full list of floods. See them on the map →
Records, not floods: no outline on the record is not evidence a place has not flooded.
Current verdict: Normal. No official flood warning is active nearby and the closest river stations are within normal ranges.
Trowbridge Southwick has river level monitoring on Lambrok Stream — 1 monitoring station in total.
Use the GOV.UK Check for Flooding service (check-for-flooding.service.gov.uk) or call Floodline on 0345 988 1188 (24 hours). You can also set up free FloodRadar email or browser alerts from any station page above.
Follow official advice: move valuables and vehicles to safety, never walk or drive through flood water, turn off gas and electricity if safe, and check on vulnerable neighbours. See our flood preparation guide at floodradar.co.uk/flood-help.
Yes — the Environment Agency's Recorded Flood Outlines dataset shows 11 recorded flood extents around the town centre since 1703, most recently in 2013. That is a count of mapped extents, not of separate floods. Records, not floods: no outline on the record is not evidence a place has not flooded. See the flood history link below.
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