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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.
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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.
Get notified when recent rainfall near this gauge crosses its learnt rise trigger — an early "watch"
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Current Level
0.206 m
▬ Steady
24h Max
0.209 m
24h Min
0.205 m
Typical Range
0.21 - 1.00
m
Highest Recorded
1.77 m
27 Dec 1979
Since Apr 1974
Current level is 12% 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. Shown with its calibrated 10–90% confidence band. Under evaluation —
not yet promoted, so treat as a second opinion.
River Flow
90 days
Daily mean discharge (m³/s) with the daily min–max band, from the EA Hydrology API. Flow is the volume of water passing the gauge — often a more direct flood signal than level.
Long Term
🌍 floodradar.co.uk
—
Consecutive rainy days0 → 10+
Days Above Normal
This year vs 5-year monthly range
Recent Readings
Steady over 6h
24 Aug 00:15▬ steady0.206 m
24 Aug 00:00▬ steady0.206 m
23 Aug 23:45▬ steady0.206 m
23 Aug 23:30▬ steady0.206 m
23 Aug 23:15▬ steady0.206 m
23 Aug 23:00▬ steady0.206 m
23 Aug 22:45▬ steady0.206 m
23 Aug 21:30▬ steady0.206 m
23 Aug 21:15▬ steady0.206 m
23 Aug 21:00▬ steady0.206 m
23 Aug 20:45▬ steady0.206 m
23 Aug 20:30▬ steady0.206 m
23 Aug 20:15▬ steady0.206 m
23 Aug 20:00▬ steady0.206 m
23 Aug 19:45▬ steady0.206 m
23 Aug 19:30▬ steady0.206 m
23 Aug 19:15▬ steady0.206 m
23 Aug 19:00▬ steady0.206 m
23 Aug 18:45▬ steady0.206 m
23 Aug 18:300.206 m
Rainfall & Weather
Loading rainfall and weather data...
Flood history near this gauge
Official Environment Agency warnings issued since 2006 for the 7 flood
areas linked to this gauge (nearest 0.5 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 Horrabridge 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.
Catchment Character
🌊 Mixed responseA balance of quick runoff and slower groundwater baseflow.
Your catchment is all the land that drains rainfall into the river above this gauge. Its character — how
steep, wet, wooded, urban or chalky that land is — decides how fast rain here turns into a rising river. A steep, bare or clay
catchment is “flashy” (rises and falls quickly, floods easily); a flat, chalk or well-wooded one is
slow and steady. The tiles below put numbers to that; the flow-duration curve reads left-to-right
from the river’s typical high flows (Q5) down to its low flows (Q95) — a steep curve means a flashy river.
The physical character of the land that drains to this gauge, and how it shapes its flood response — from the National River Flow Archive (UKCEH).
Baseflow Index
0.59
mixed response
Avg Annual Rainfall
1,857 mm/yr
1991–2020 · +12% since 1941–70
Urban Extent
0.8%
largely rural
Median Annual Flood
44.59 m³/s
QMED — typical yearly peak flow
Highest Recorded Flow
38.63 m³/s
18 Dec 2020
Flow-Duration Curve
Daily flow (m³/s) exceeded each % of the time — a steep curve is flashy, a flat one is steady. Q5 high · Q50 median · Q95 low.
Three bay non-standard structure consisting of Flat V, triangular profile and broad-crested weirs.
More detail
The catchment
Moorland catchment draining western Dartmoor Granite. Steep, afforested valley flanks as the river leaves the granite and drains Devonian slates, limestone and volcanics. Land use is low grade agriculture, moorland and woodland. No major catchment changes.
The station
Three-bay non-standard compound structure with 2.47m flat V weir (on fish pass), 9.48m wide triangular profile weir and a 8.53m wide broad-crested weir. Flat V weir on fish pass superseded a previous sharp crested weir in 1976.
How it measures flow
During low flows, the left hand broad crested weir in the flood relief channel (gently sloping open grassed space) is dry - beyond 1.4m the flows bypass the structure and enter the channel. Allowance for bypass flow made based on contemporary observations of 1979 flood (including survey and Manning calculations), which suggested a flow range between 90 and 112m3/s. Multiple ratings across period of record, using check gaugings (some collected by ADCP) and extrapolated above.
Flow regime
Moderate flow modification by PWS abstraction and minor agricultural abstraction.
The flow record
No data between 07/2014 and 12/2014 due to fish pass improvement works. Full period of record peak flow data reviewed and released in September 2019 (WINFAP Files v8).
How this gauging station is built and how long it has measured (NRFA / UKCEH).
Gauge type
Gauging structure
Operating since
1976
Station datum
82.3 mAOD
Flow record
1976–2024 · 48 yrs · 99% complete
Peak-flow record
since 1974
Hydrometric area
47
Measured by
Environment Agency
Nearby Groundwater
Soil Moisture
Possible storm-overflow correlation
🚽 Storm overflows on this river
Frequently asked questions
Is the River Walkham at Horrabridge flooding today?
The current level is 0.21m, which is below the typical range. Flooding is very unlikely at this level.
Is the river level rising or falling at Horrabridge?
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 River Walkham at Horrabridge?
The typical range at this station is 0.21m to 1.00m, based on Environment Agency historical data. Levels above 1.00m 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.
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:
9 Aug 2016 Horrabridge looking downstream
9 Aug 2016 Horrabridge spill weir
9 Aug 2016 Horrabridge weir SG 0.230m FQ 0.600m3s
3 Jan 2012 Horrabridge high flow SG = 0.935m
Weir structure on right bank side
