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⤴Unusual rise — FloodRadar+Top 1% rise rate for this gauge.
Height for "Above a height"
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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
0.282 mASD
▬ Steady
24h Max
0.304 mASD
24h Min
0.273 mASD
Typical Range
0.27 - 1.04
mASD
Highest Recorded
2.24 mASD
EA official record
2.22 in our data (since Oct 1979)
Current level is 13% 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.
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 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.
53 storm overflows are traced upstream of this gauge, the nearest 11.2 km away along the river. 0 report discharging now, 47 report not discharging, and for 6 the monitor is offline or has not reported, so their status is not known.
Anglian Water · into Stone Brook / River Gt Ouse · 2.4 km away in a straight line · no mapped watercourse close enough to be sure
1 spill · 0 hours in 2025
Not discharging now · last
3 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 1.04 m
on about 16 days.
This year so far: 19 days.
202619 days, 1 of them high · 1 highso far
20259 days
202450 days, 26 of them high · 26 high
202316 days
20220 days
202125 days, 10 of them high · 10 high
202022 days, 6 of them high · 6 high
201910 days, 1 of them high · 1 high
20188 days, 1 of them high · 1 high
20173 days
Counted from each day's highest reading. Days with missing or implausible readings are left out.
The darker part is days above 1.39 m, the level this gauge tops only a few days a year.
Flood history near this gauge
Official Environment Agency warnings issued since 2016 for the 12 flood
areas linked to this gauge (nearest 1.6 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 Roxton 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.
🌊 Fairly flashyResponds fairly quickly to rain, with moderate baseflow between events.
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
0.45
mixed response
Avg Annual Rainfall
664 mm/yr
1991–2020 · +4% since 1941–70
Urban Extent
3.9%
partly urbanised
Median Annual Flood
76.60 m³/s
QMED — typical yearly peak flow
Highest Daily Mean Flow
217 m³/s
27 Sep 2024 · 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 Crump profile weir gauging a mixed land use catchment, mixed geology and with some artificial influences.
More detail
The catchment
Mixed geology, including significant Clay and Greensand fractions, with about half of the catchment covered with Boulder Clay. Predominantly agricultural with substantial urban development (Milton Keynes and Bedford).
The station
Flat V Crump profile weir (26m broad) with downstream recorder, situated immediately u/s of confluence with R. Ivel. Use in preference to Bedford (33002) if possible.
How it measures flow
Drowns at very high flows (e.g. Easter Floods 1998), is influenced by timing of flood peak on R. Ivel, and can spill on rare occasions. Adjacent lock acts as an overspill in flood conditions. There is great uncertainty when levels go above 1.8m above crest. A single rating applied across period of record, however, there are multiple ratings that have been used in its history. Includes floodplain and non-modular flow. Assumes lock shut.
Flow regime
Regime influenced by groundwater abstraction/recharge. Some effluent returns. Significant surface water and gw abstractions for PWS, industry and agriculture. One of 3 stations used to calculate Offord flows to determine abstraction regime at Grafham Water.
The flow record
The POR maximum flow in April 1998 was extrapolated and subject to bypassing but thought to be a reasonable estimate in a contemporary report by WS Atkins. POR reprocessed in 2018, changes mainly in 2010 to 2013. 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
Flat-V weir
Operating since
1972
Station datum
15.7 mAOD
Flow record
1972–2024 · 52 yrs · 99% complete
Peak-flow record
since 1972
Hydrometric area
33
Measured by
Environment Agency
Nearby Groundwater
Soil Moisture
Possible storm-overflow correlation
Frequently asked questions
Is the River Great Ouse at Roxton flooding today?
The current level is 0.28m, which is within the typical range of 0.27 to 1.04m. Flooding is unlikely at this level.
Is the river level rising or falling at Roxton?
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 Great Ouse at Roxton?
The typical range at this station is 0.27m to 1.04m, based on Environment Agency historical data. Levels above 1.04m 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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21 Sep 2018 View across weir from left bank
21 Sep 2018 Upstream section
21 Sep 2018 View across weir from right bank
21 Sep 2018 Downstream section
21 Sep 2018 Lock on right bank of weir
21 Sep 2018 Lock (foreground) and weir (background) from right bank
1983 Gauging station and lock looking upstream
1983 Downstream section
1983 Upstream section
1983 View across weir