Flood Warning Info - River Cober at Trenear
Area Description
River Cober at Trenear including Sawyers Court, Poldark Mine and the B3297.
This is a Flood Warning Area. For this area, you may receive Flood Warnings or Severe Flood Warnings.
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There are no Flood Warnings currently in force for this area. See below for historical flood warnings.
Area Covered by this Flood Warning
The red highlighted area on the map below outlines the area covered by this Flood Warning.
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Flood Warning History
Number of historic Flood Warnings that have previously been recorded for this area:
We can provide a Flood Insurance Quote for properties in the Helston area
Historical Flood Warnings for this Area
Flood Warning issued on 18 Feb 2026 22:02
River Cober
Rising river levels are expected to cause flooding overnight.
Flooding is expected from the evening of 18 February 2026 from 10pm.
A band of heavy rain in West Cornwall that has fallen on Wednesday evening has caused river levels to rise rapidly.
Properties and low lying areas will start to flood from around 10pm. The main areas of concern are properties and low lying areas in and around Trenear, including Sawyers Court, Poldark Mine and the B3297. Flood waters may be deep and fast flowing in these areas.
River levels are forecast to be at their highest from 11pm onwards until Thursday morning.
We are closely monitoring the situation .
Avoid low lying roads near rivers, which may be flooded . Monitor local water levels and weather conditions.
This message will be updated by 11:00AM on 19 February 2026 or as the situation changes.
Flood Warning issued on 30 Jan 2026 13:15
River Cober
High river levels are expected to cause flooding over the next two days.
Flooding is expected from the afternoon of 30 January 2026 through to the 31 January.
Heavy rain has caused river levels to rise, with further rain expected overnight and in to tomorrow. Catchments are saturated and river levels are expected to remain high.
River levels are expected to be at their highest between 10am and 2pm on 31 January.
The risk of flooding to properties and low-lying areas remains.
Locations most affected are properties and low-lying areas in and around Trenear, including Sawyers Court, Poldark Mine and the B3297.
We are closely monitoring the situation .
Activate any flood protection products you may have and avoid walking, cycling or driving through flood water.
This message will be updated by 3:00PM on 31 January 2026 or as the situation changes.
Flood Warning issued on 29 Jan 2026 21:05
River Cober
High river levels are expected to cause flooding overnight.
Flooding is expected from the evening of 29 January 2026 through to 30th January 2026.
Heavy rain has caused river levels to rise, with further rain expected overnight and in to tomorrow.
Properties and low lying areas will start to flood from around 9pm on Thursday.
The main areas of concern are properties and low lying areas in and around Trenear, including Sawyers Court, Poldark Mine and the B3297.
Flood waters may be deep and fast flowing in these areas.
River levels are forecast to be at their highest between 11pm and 3am.
We are closely monitoring the situation .
Activate any flood protection products you may have .
This message will be updated by 1:00PM on 30 January 2026 or as the situation changes.
Flood Warning issued on 27 Jan 2026 15:21
River Cober
River levels have now peaked but are forecast to remain high. River levels will start to fall this afternoon.
The main areas of concern are properties and low lying areas in and around Trenear, including Sawyers Court, Poldark Mine and the B3297. Flood waters may be deep and fast flowing in these areas.
We are closely monitoring the situation .
Take care and avoid walking, cycling or driving through flood water
This message will be updated by 3pm on Wednesday 28 January or as the situation changes.
Flood Warning issued on 26 Jan 2026 21:52
River Cober
High river levels are expected to cause flooding overnight.
Flooding is expected from the evening of 26 January 2026 through to 27 January 2026.
Heavy rainfall has caused river levels to rise, with further bands of heavy rain forecast overnight and into Tuesday morning.
Properties and low lying areas will start to flood from around 10:00PM on the evening of Monday 26 January 2026.
The main areas of concern are properties and low lying areas in and around Trenear, including Sawyers Court, Poldark Mine and the B3297.
Flood waters may be deep and fast flowing in these areas.
River levels are forecast to be at their highest between 12:00AM and 3:00AM.
We are closely monitoring the situation .
Activate any flood protection products you may have .
This message will be updated by 2:00PM on 27 January 2026 or as the situation changes.
Flood Warning issued on 15 Dec 2025 09:17
River Cober
High river levels are expected to cause flooding today.
Flooding is expected from the morning of 15 December 2025 .
Heavy rain falling in the area will continue throughout the day.
Properties and low lying areas will start to flood from around 9:30am on Monday 15 December. The main areas of concern are properties and low lying areas in and around Trenear, including Sawyers Court, Poldark Mine and the B3297. Flood waters may be deep and fast flowing in these areas.
River levels are forecast to be at their highest between 1pm and 4pm.
We are closely monitoring the situation .
Take care and avoid walking, cycling or driving through flood water .
This message will be updated by 5:00PM on 15 December 2025 or as the situation changes.
Flood Warning issued on 9 Dec 2025 15:07
River Cober
River levels remain high and are expected to cause flooding throughout Tuesday 9th December.
Flooding is expected throughout the evening and overnight on Tuesday 9th December.
The main areas of concern are properties and low lying areas in and around Trenear, including Sawyers Court, Poldark Mine and the B3297. Flood waters may be deep and fast flowing in these areas.
We are closely monitoring the situation.
Activate any flood protection products you may have.
This message will be updated by 11:00AM on Wednesday 10th December 2025 or as the situation changes.
Flood Warning issued on 9 Dec 2025 07:46
River Cober
Rising river levels are expected to cause flooding this morning.
Flooding is expected from the early hours of 09 December 2025 .
Properties and low lying areas will start to flood from Tuesday morning.
The main areas of concern are properties and low lying areas in and around Trenear, including Sawyers Court, Poldark Mine and the B3297. Flood waters may be deep and fast flowing in these areas.
River levels are forecast to be high all day with flooding expected to commence from 08:00am.
We are closely monitoring the situation .
Activate any flood protection products you may have .
This message will be updated by 4:00PM on 09 December 2025 or as the situation changes.
Flood Warning issued on 25 Feb 2024 21:26
River Cober
Flooding is expected overnight on Sunday 25th February and into Monday the 26th of February. Recent rainfall has caused the River Cober to rise and the river is forecast to continue rising into the early hours of Monday.
Properties and low lying areas in and around Trenear, including Sawyers Court, Poldark Mine and the B3297 will start to flood first, from around 1am on Monday. River levels will be at their highest overnight and are expected to remain high throughout Monday.
Flood waters may be deep and fast flowing in some areas. Residents are strongly urged to take action to protect property and remain safe. Avoid walking or driving through flood water. Check gov.uk for river levels at Trenear.
We are monitoring the situation. This message will be updated by 11am on Monday the 26th February, or earlier if the situation changes.
Flood Warning issued on 22 Feb 2024 17:12
River Cober
Flooding is expected overnight on Thursday the 22nd of February and into Friday 23rd February. River levels have risen today following recent rainfall. The risk of flooding to low lying areas close to the river will continue overnight, however no further property flooding is expected.
A flood alert remains in place for the area.
River levels are expected to peak this evening, but will remain high into Friday. Further heavy showers are forecast overnight and throughout Friday. River levels will remain responsive.
Take care near areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area clearing blockages.
This message will be updated by 11am on Friday the 23rd of February, or earlier if the situation changes.
Flood Warning issued on 22 Feb 2024 10:42
River Cober
Flooding is expected on Thursday 22nd February. Rivers remain high following recent rainfall and as rain continues throughout Thursday, a further rise in river levels is expected.
The risk of flooding to low lying areas close to the river will continue throughout Thursday, however no further property flooding is expected.
A flood alert remains in place for the area.
River levels are expected to reduce overnight into Friday, however further rain is forecast over the next few days.
Take care near areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area clearing blockages.
This message will be updated by 5pm on Thursday the 22nd of February, or earlier if the situation changes.
Flood Warning issued on 21 Feb 2024 17:16
River Cober
Flooding is expected during the evening of Wednesday 21st and overnight into Thursday 22nd February. Following recent rainfall, river levels have risen above flood warning thresholds but have now broadly peaked. Therefore no further significant rise is anticipated overnight, but river levels are forecast to remain high. Properties and low lying areas therefore remain at risk.
A further organised band of rain is forecast during the early hours on Thursday 22nd of February. This will be followed by heavy showers throughout Thursday, meaning river levels will remain high.
Take care near areas of concern and monitor your local weather conditions. We are monitoring river levels, and have staff in the area clearing blockages.
This message will be updated by 11am on Thursday the 22nd of February, or earlier if the situation changes.
Flood Warning issued on 21 Feb 2024 10:15
River Cober
Flooding is expected on Wednesday 21st February. Heavy rain falling in the River Cober area will continue throughout Wednesday morning. This is causing the River Cober to rise and the river is forecast to continue rising throughout the day.
Properties and low lying areas in and around Trenear, including Sawyers Court, Poldark Mine and the B3297 will start to flood first, from around 11am on Wednesday. River levels will be at their highest this afternoon and are expected to remain high throughout Wednesday.
Flood waters may be deep and fast flowing in some areas. Residents are strongly urged to take action to protect property and remain safe. Avoid walking or driving through flood water. Check gov.uk for river levels at Trenear.
We are monitoring the situation, and have staff in the area clearing blockages and operating defences. This message will be updated by 5pm on Wednesday or earlier if the situation changes.
Another band of heavy rain is forecast for Thursday, we will issue further flood alerts and warnings if required.