Test and Itchen catchment
• St Mary Bourne • Hampshire • ID: E13880 • Level
(21m ago) • 4 readings/hr • 146 views
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⤴Unusual rise — FloodRadar+Top 1% rise rate for this gauge.
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You'll be notified when this gauge is rising more than 0.10 mAOD/hr — a sign of rapidly increasing water levels.
You'll be notified when a new storm-overflow (sewage) discharge starts within ~3 km of this gauge, based on the water companies' near-real-time feeds.
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Current Level
78.120 mAOD
▬ Steady
24h Max
78.120 mAOD
24h Min
78.107 mAOD
Typical Range
76.80 - 78.60
mAOD
Highest Recorded
78.89 mAOD
14 Feb 2014
Since Mar 2004
🚽Sewage overflows nearby
Recent Water Levels
🌍 floodradar.co.uk
1 day
Prediction V2
Prediction Eris
Nimbus beta
Experimental model fusing soil moisture, river flow, groundwater and catchment
character. Shown with its calibrated 10–90% confidence band. Under evaluation —
not yet promoted, so treat as a second opinion.
Long Term
🌍 floodradar.co.uk
—
Consecutive rainy days0 → 10+
Days Above Normal
This year vs 5-year monthly range
Recent Readings
Rising · +1 cm over 6h
24 Aug 00:31▬ steady78.120 mAOD
24 Aug 00:16▲ +0.1 cm78.120 mAOD
24 Aug 00:01▲ +0.2 cm78.119 mAOD
23 Aug 23:46▲ +0.2 cm78.117 mAOD
23 Aug 23:31▬ steady78.115 mAOD
23 Aug 23:16▬ steady78.114 mAOD
23 Aug 23:01▬ steady78.115 mAOD
23 Aug 22:46▲ +0.6 cm78.115 mAOD
23 Aug 21:31▬ steady78.109 mAOD
23 Aug 21:16▬ steady78.109 mAOD
23 Aug 21:01▬ steady78.109 mAOD
23 Aug 20:46▬ steady78.109 mAOD
23 Aug 20:31▼ -0.1 cm78.109 mAOD
23 Aug 20:16▲ +0.1 cm78.110 mAOD
23 Aug 20:01▬ steady78.109 mAOD
23 Aug 19:46▼ -0.2 cm78.108 mAOD
23 Aug 19:31▬ steady78.110 mAOD
23 Aug 19:16▬ steady78.110 mAOD
23 Aug 19:01▲ +0.1 cm78.110 mAOD
23 Aug 18:4678.109 mAOD
Rainfall & Weather
Loading rainfall and weather data...
Flood history near this gauge
Official Environment Agency warnings issued since 2012 for the 5 flood
areas linked to this gauge (nearest 1.4 km away).
Warnings apply to a whole flood area, not necessarily this exact spot. Years before 2006 aren't covered by the EA's historic record.
See also the St Mary Bourne flood history.
Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.
Nearby Groundwater
Soil Moisture
Possible storm-overflow correlation
🚽 Storm overflows on this river
Frequently asked questions
Is the Bourne Rivulet at St Mary Bourne flooding today?
The current level is 78.12m, which is within the typical range of 76.80 to 78.60m. Flooding is unlikely at this level.
Is the river level rising or falling at St Mary Bourne?
Based on the most recent readings, the level is currently steady. The chart above shows the last 7 days of measurements, updated roughly every 15 minutes.
What is a normal level for the Bourne Rivulet at St Mary Bourne?
The typical range at this station is 76.80m to 78.60m, based on Environment Agency historical data. Levels above 78.60m are higher than usually seen and may indicate a flood risk.
How often is this river level data updated?
Readings are taken by the Environment Agency gauge roughly every 15 minutes and FloodRadar refreshes its data continuously, so the level shown is normally less than an hour old.
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📮 Flood risk by postcode near this gauge
Postcodes within 5 km with properties in the Environment Agency’s rivers-and-sea flood-risk bands:
