Bristol Avon Little Avon Axe and North Somerset St catchment
• Iron Acton • South Gloucestershire • ID: 53147 • Level
(34m ago) • 3 readings/hr • 132 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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Current Level
-0.014 mASD
▬ Steady
24h Max
-0.010 mASD
24h Min
-0.019 mASD
Typical Range
0.14 - 0.59
mASD
Highest Recorded
5.89 mASD
EA official record
1.94 in our data (since Nov 2012)
🚽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.
None of the storm overflows FloodRadar holds is traced upstream of this gauge on the mapped river network. That is not the same as none: the map leaves out many small streams and culverts, so an overflow it cannot place may still drain here, and not every company publishes every overflow. Those nearby are listed below.
Nearby, connection not known
Within 6 km in a straight line, but the river map cannot say whether their water passes this gauge.
Wessex Water · into Trib Of Stockwell Via Sws · 5.3 km away in a straight line · reaches the river through a sewer or culvert
3 spills · 5 hours in 2025
Not discharging now · last
9 other overflows within 6 km are downstream of this gauge or on another branch of the river network, so they are not listed.
These are the water companies' monitor statuses; a spill does not by itself explain a change in the gauge level. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels. Explore the sewage map →
In a typical year this gauge reaches its typical high of 0.59 m
on about 28 days.
This year so far: 33 days.
202633 days, 1 of them high · 1 highso far
202527 days, 6 of them high · 6 high
202441 days, 12 of them high · 12 high
202344 days, 4 of them high · 4 high
202212 days, 1 of them high · 1 high
202129 days
202038 days, 5 of them high · 5 high
201933 days, 2 of them high · 2 high
201816 days, 1 of them high · 1 high
201712 days, 1 of them high · 1 high
Counted from each day's highest reading. Days with missing or implausible readings are left out.
The darker part is days above 1.68 m, the level this gauge tops only a few days a year.
Flood history near this gauge
Official Environment Agency warnings issued since 2007 for the 8 flood
areas linked to this gauge (nearest 1.7 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 Iron Acton flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 8 areas linked to this gauge, nearest first.
Is the Bristol Frome at Tubbs Bottom flooding today?
The current level is -0.01m, which is below the typical range. Flooding is very unlikely at this level.
Is the river level rising or falling at Tubbs Bottom?
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 Bristol Frome at Tubbs Bottom?
The typical range at this station is 0.14m to 0.59m, based on Environment Agency historical data. Levels above 0.59m 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.
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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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