Don and Rother catchment
• Walden Stubbs • North Yorkshire • ID: F0920 • Level
(38m ago) • 4 readings/hr • 167 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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EA/SEPA/NRW data and are best-efforts. Terms
Current Level
0.177 m
▼ Easing
24h Max
0.197 m
24h Min
0.136 m
Typical Range
0.16 - 1.05
m
Highest Recorded
2.20 m
EA official record
2.20 in our data (since Oct 1979)
Current level is 8% 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. The nearest rain gauge has sent no readings in the last day, so Nimbus has no recent measured rain to work from here.
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.
Flow Data: Daily mean flow (m³/s) to 4 May (158 days behind — the EA publishes each day's mean a day or two after it ends; unchecked, provisional)via EA Hydrology
Storm overflows whose water reaches this gauge on the mapped river network, nearest first by distance along the river. The status is each water company's monitor: it says whether an overflow is discharging, not how much or what it contains.
10 storm overflows are traced upstream of this gauge, the nearest 250 m away along the river. 0 report discharging now, 9 report not discharging, and for 1 the monitor is offline or has not reported, so their status is not known.
Yorkshire Water · into Blowell Drain · 5.8 km away in a straight line · its watercourse is not on the river map
8 spills · 55 hours in 2025
Not discharging now · last
2 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 →
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 Walden Stubbs flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 14 areas linked to this gauge, nearest first.
🌊 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
0.62
mixed response
Avg Annual Rainfall
636 mm/yr
1991–2020 · +2% since 1941–70
Urban Extent
5.1%
partly urbanised
Highest Daily Mean Flow
22.10 m³/s
26 Jun 2007 · daily mean, not the instantaneous peak
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.
Flat-V weir on the River Went in a low lying, mainly arable, catchment.
More detail
The catchment
Geology comprises shales, sandstones and limestones. Low-lying, predominantly arable catchment with isolated built-up areas.
The station
Flat-V weir, 7m wide, 1:10 cross-slope.
How it measures flow
All but highest flows contained. Weir becomes non-modular before QMED, introducing significant uncertainty at high flows. New rating applied to period of record in 2015 revises the flow to modular limit and provides a higher flow estimate between 0.34 and 0.808m stage, followed by a lower estimate up to bankfull.
Flow regime
Pumped minewater discharge significant prior to 1994 (now ceased).
The flow record
November 2000 was undoubtedly an exceptional event, but the magnitude may be suspect. Period of record data reprocessed in 2015 after a rating change.
How this gauging station is built and how long it has measured (NRFA / UKCEH).
Gauge type
Flat-V weir
Operating since
1979
Station datum
5.7 mAOD
Flow record
1979–2024 · 45 yrs · 100% complete
Hydrometric area
27
Measured by
Environment Agency
Nearby Groundwater
Soil Moisture
Possible storm-overflow correlation
Frequently asked questions
Is the River Went at Walden Stubbs flooding today?
The current level is 0.18m, which is within the typical range of 0.16 to 1.05m. Flooding is unlikely at this level.
Is the river level rising or falling at Walden Stubbs?
Based on the most recent readings, the level is currently falling slightly. The chart above shows the last 12 hours of measurements by default (up to 7 days), updated roughly every 15 minutes.
Why is the level slowly falling?
When little or no rain has fallen for a while, a river level gradually drops as the water stored in the ground and soil drains away with nothing to replace it. This is called baseflow recession and is normal in dry spells. Only about 0.0mm of rain has fallen nearby in the last 7 days, so the flow is being sustained mainly by groundwater. A gentle decline like this is expected and is not a sign of a problem — downstream gauges often recede a little faster than headwaters further upstream, and levels recover once rain returns.
What is a normal level for the River Went at Walden Stubbs?
The typical range at this station is 0.16m to 1.05m, based on Environment Agency historical data. Levels above 1.05m 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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