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⤴Unusual rise — FloodRadar+Top 1% rise rate for this gauge.
Height for "Above a height"
Drag the line on the chart, or type a value:mASD
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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/NRW data and are best-efforts. Terms
Current Level
0.025 mASD
▬ Steady
24h Max
0.090 mASD
24h Min
0.025 mASD
Typical Range
0.10 - 0.30
mASD
Highest Recorded
0.89 mASD
EA official record
0.89 in our data (since Sep 2016)
Current level is 3% of this
🚽Sewage overflows nearby
Recent Water Levels
🌍 floodradar.co.uk
1 day
EA forecast (official)
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.
In a typical year this gauge reaches its typical high of 0.30 m
on about 32 days.
This year so far: 21 days.
202621 days, 1 of them high · 1 highso far
202518 days, 1 of them high · 1 high
202435 days, 2 of them high · 2 high
202333 days, 3 of them high · 3 high
202240 days, 4 of them high · 4 high
202134 days, 6 of them high · 6 high
202042 days, 4 of them high · 4 highpatchy data
201937 days, 4 of them high · 4 highpatchy data
201832 days, 6 of them high · 6 highpatchy data
201731 days
Counted from each day's highest reading. Days with missing or implausible readings are left out, so a year marked patchy may have run high more often than shown.
The darker part is days above 0.65 m, the level this gauge tops only a few days a year.
Flood history near this gauge
Official Environment Agency warnings issued since 2006 for the 9 flood
areas linked to this gauge (nearest 5.1 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 Corsham flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 9 areas linked to this gauge, nearest first.
The current level is 0.03m, which is below the typical range. Flooding is very unlikely at this level.
Is the river level rising or falling at Corsham?
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 Avon at Corsham?
The typical range at this station is 0.10m to 0.30m, based on Environment Agency historical data. Levels above 0.30m are higher than usually seen and may indicate a flood risk.
How often is this river level data updated?
Readings are supplied by the Environment Agency gauge. FloodRadar checks for updates roughly every 15 minutes; the timestamp above shows how recent the latest available reading is.
Embed this gauge on your website
Free live river-level widget — ideal for parish councils, angling clubs and local sites. Updates automatically.
Preview
📮 Flood risk by postcode near this gauge
Postcodes within 5 km with properties in the Environment Agency’s rivers-and-sea flood-risk bands:
FloodRadar
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