Bristol Avon Little Avon Axe and North Somerset St catchment
• Calne • Wiltshire • ID: 531112 • Level
(35m ago) • 3 readings/hr • 208 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 m/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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Not an emergency service — if in danger call 999. Alerts rely on
EA/SEPA data and are best-efforts. Terms
Current Level
0.144 mASD
▬ Steady
24h Max
0.150 mASD
24h Min
0.138 mASD
Typical Range
0.04 - 0.48
mASD
Highest Recorded
1.28 mASD
EA official record
1.29 in our data (since Mar 2004)
Current level is 11% of this
🚽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. The shaded band is its 10–90% range, widened so that about 80% of recent outcomes fall inside it.
Under evaluation — not yet promoted, so treat as a second opinion.
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 River Marden at Calne flooding today?
The current level is 0.14m, which is within the typical range of 0.04 to 0.48m. Flooding is unlikely at this level.
Is the river level rising or falling at Calne?
Based on the most recent readings, the level is currently steady. The chart above shows the last 12 hours of measurements by default (up to 7 days), updated roughly every 15 minutes.
What is a normal level for the River Marden at Calne?
The typical range at this station is 0.04m to 0.48m, based on Environment Agency historical data. Levels above 0.48m 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:
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