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Cornwood Flooding

Devon • Live river level monitoring on River Yealm
1 monitoring station
1 river
8 warning areas
🏠 Thinking of buying in Cornwood? Get the detailed Property Flood-Risk Report for any Cornwood postcode — official risk band, recorded floods since 1703, warning history, river behaviour and nearby storm overflows. £19 one-off, instant. Learn more →

Flood risk in Cornwood today: Normal

No official flood warning is active nearby and the closest river stations are within normal ranges.

Updated 2026-10-09 13:33:10 UTC · Official GOV.UK warnings · Flood preparation & help guide

About Cornwood
Cornwood
Village in Devon, England

Cornwood is a village and civil parish in the South Hams in Devon, England. The parish has a population of 988. The village is part of the electoral ward called Cornwood and Sparkwell. The ward population at the 2011 census was 2,321.

From Wikipedia, the free encyclopedia (CC BY-SA 4.0). Photo: Wikimedia Commons
Flood Contacts
Floodline 24hr
0345 988 1188
Emergency
999
The map of Cornwood’s gauges and flood maps loads as you reach it.
Recent Flood Events
30 Sep 2026 13:12 Flood Alert
North Devon coast from Hartland Point to Lynmouth
30 Sep 2026 13:11 Flood Alert
South Devon coast from Start Point to Dawlish Warren
30 Sep 2026 13:10 Flood Alert
South Devon Estuaries
30 Sep 2026 10:43 Flood Alert
Plymouth Sound, Wembury Bay and tidal estuaries
29 Sep 2026 14:52 Flood Alert
South Devon coast from Start Point to Dawlish Warren
29 Sep 2026 14:12 Flood Alert
South Devon Estuaries

Does it flood near Cornwood?

Towns and villages near Cornwood with a page of their own: the homes in a flood risk area there, the nearest river gauges, and recorded floods.

Ivybridge · Plymouth

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 watercourse nearest Cornwood

The nearest watercourse on the river map is the River Yealm, about 10 m from the middle of Cornwood's gauges. It flows on to the sea.

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 the River Yealm nearest the middle of Cornwood'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.

Useful Links
Flood Monitoring in Cornwood

Cornwood is monitored by 1 Environment Agency river level station on the River Yealm, in Devon. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.

Monitoring Stations

The River Yealm is monitored by 1 station (Cornwood). Each station records water levels continuously, with data synced to FloodRadar every 5 minutes.

Flood Warning Areas

There are 8 Environment Agency flood warning areas within 10km of Cornwood. When the EA issues a flood warning for any of these areas, it will appear on this page. These include: River Yealm from Mill Bridge to Lee Mill including Wisdome Bridge, Blachford, Langham Bridge, Lucas Wood, and Lee Mill Bridge; Lee Mill, Yealmpton, Popples Bridge and Newton Ferrers; Riverside locations and roads between Ivybridge and Ermington, including Ivybridge, Keaton Bridge, Thornham Bridge, Ermington, the A3121 at Ermington and the A379 at Sequers Bridge; Plympton, Coypool, Newnham Park, Marsh Mills, Clearbrook and Meavy.

Sewage Discharge Monitoring

There are 12 storm overflows within 5km of Cornwood. None of the 12 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:

What To Do During A Flood

If flooding is forecast in Cornwood, 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.

How much rain falls on Cornwood

Cornwood gets about 1,504 mm of rain a year on average (wettest month December, 183 mm; driest May, 81 mm). That is 29% wetter 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), 2.6 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.

Recorded floods near Cornwood

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 →

  • 2012-07-07 — Thornham Bridge, Ermington Flood July 2012 (Main river)
  • 2012-07-07 — CW9060 - Lee Mill (Main river)
  • 2012-07-07 — CW9060 - Yealm, Marks Bridge (Main river)
  • 2012-07-07 — CW9060 - Yealm - Lotherton Bridge area (Main river)
  • 2012-07-07 — CW9060 - Cornwood area (Main river)
  • 2001-01-10 — CW8219 - Cornwood (Ordinary watercourse)
  • 1993-12-30 — CW0833 - Hemerdon (SW) (Drainage)
  • 1991-06-23 — CW8469 - Cornwood (Main river)
  • 1979-01-01 — River Erme 79 (Main river)
  • 1968-09-11 — Sep-68 (Main river)

Records, not floods: no outline on the record is not evidence a place has not flooded.

Frequently asked questions

Is there flooding in Cornwood today?

Current verdict: Normal. No official flood warning is active nearby and the closest river stations are within normal ranges.

Which rivers affect Cornwood?

Cornwood has river level monitoring on River Yealm — 1 monitoring station in total.

How do I check official flood warnings for Cornwood?

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.

What should I do during a flood warning?

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.

Has Cornwood flooded before?

Yes — the Environment Agency's Recorded Flood Outlines dataset shows 3 recorded flood extents around the town centre since 1703, most recently in 2012. 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.

🏠 Buying or renting around here? Get the Property Flood-Risk Report for any English postcode — official risk band, recorded floods, warning history, river behaviour and nearby storm overflows. £19 one-off. Learn more →