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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.
Get notified when recent rainfall near this gauge crosses its learnt rise trigger — an early "watch"
signal, typically hours before a rise. Experimental; not an official flood warning.
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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
0.030 mASD
▬ Steady
24h Max
0.031 mASD
24h Min
0.028 mASD
Typical Range
0.05 - 1.02
mASD
Highest Recorded
1.49 mASD
EA official record
A 3.01 reading (30 Dec 2025) sits in our unverified raw history and is not treated as the record
Current level is 2% 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.
STAPLEFORD GS (E22042) — flow at this site
7 days
A separate gauge 6.5 m from this one at the same site, shown here for context.
Its readings are its own and are never merged with this page's.
Flow Data: Daily mean flow (m³/s) to 6 Oct (2 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.
2 storm overflows are traced upstream of this gauge, the nearest 10.8 km away along the river. 0 report discharging now, 2 report not discharging.
Anglian Water · into River Rhee Nt · 4.9 km away in a straight line · its recorded watercourse is not the one mapped beside it
30 spills · 383 hours in 2025
Not discharging now · last
1 other overflow within 6 km is downstream of this gauge or on another branch of the river network, so it is 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 →
This gauge rarely reaches its typical high of 1.02 m:
3 days since 2017.
This year so far: 0 days.
20260 days so far
20250 days
20242 days
20230 days
20220 days patchy data
20211 day
20200 days
20190 days patchy data
20180 days
20170 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.
Flood history near this gauge
Official Environment Agency warnings issued since 2013 for the 12 flood
areas linked to this gauge (nearest 2.4 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 Stapleford flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 12 areas linked to this gauge, nearest first.
🌊 Groundwater-fedSlow and steady — fed largely by groundwater, so levels change gradually, not in sudden spikes.
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
0.67
groundwater-fed — slow & steady
Avg Annual Rainfall
606 mm/yr
1991–2020 · +0% since 1941–70
Urban Extent
1.3%
largely rural
Highest Daily Mean Flow
9.63 m³/s
21 Dec 1960 · 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.
Compound weir gauging a gw dominated Chalk catchment with predominantly arable land use.
More detail
The catchment
Chalk catchment with significant Boulder Clay cover. Land use dominated by arable agriculture.
The station
Compound weir with Crump notch (1.5m broad) and broad-crested flanks (3m broad) superseded - in 1981 - original thin-plate weir.
Flow regime
High baseflow component; area of groundwater catchment is less than topographical catchment.
The flow record
Suspect flows in Sept 2005 may be due to artificial damming upstream. Some flows estimated, only monthly means are considered valid. Flows between 16/10/2013 and 20/10/2013 may be affected by debris accumulation.
How this gauging station is built and how long it has measured (NRFA / UKCEH).
Gauge type
Gauging structure
Operating since
1949
Station datum
14.5 mAOD
Flow record
1949–2024 · 75 yrs · 99% complete
Hydrometric area
33
Measured by
Environment Agency
Nearby Groundwater
Soil Moisture
Possible storm-overflow correlation
Frequently asked questions
Is the River Granta at Stapleford flooding today?
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 Stapleford?
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 Granta at Stapleford?
The typical range at this station is 0.05m to 1.02m, based on Environment Agency historical data. Levels above 1.02m 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.
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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:
FloodRadar
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