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⤴Unusual rise — FloodRadar+Top 1% rise rate for this gauge.
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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 mASD/hr — a sign of rapidly increasing water levels.
Beta. You'll be notified when a flood wave detected at an upstream gauge is forecast to reach this station, with an estimated arrival time. Accuracy improves as we verify more waves.
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 data and are best-efforts. Terms
Current Level
0.343 mASD
▲ Rising
24h Max
0.365 mASD
24h Min
0.245 mASD
Typical Range
0.24 - 0.80
mASD
Highest Recorded
2.36 mASD
20 Jan 2021
Since Sep 1992
Current level is 15% 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
Falling · -0.5 cm over 19h
23 Aug 23:00▲ +0.4 cm0.343 mASD
23 Aug 22:00▲ +3 cm0.339 mASD
23 Aug 21:00▲ +6 cm0.306 mASD
23 Aug 20:00▼ -10 cm0.245 mASD
23 Aug 19:00▲ +0.8 cm0.347 mASD
23 Aug 18:00▲ +2 cm0.339 mASD
23 Aug 17:00▲ +0.8 cm0.319 mASD
23 Aug 16:00▲ +0.5 cm0.311 mASD
23 Aug 15:00▲ +0.1 cm0.306 mASD
23 Aug 14:00▬ steady0.305 mASD
23 Aug 13:00▼ -0.1 cm0.305 mASD
23 Aug 12:00▲ +0.1 cm0.306 mASD
23 Aug 11:00▼ -0.3 cm0.305 mASD
23 Aug 10:00▼ -0.7 cm0.308 mASD
23 Aug 09:00▼ -0.8 cm0.315 mASD
23 Aug 08:00▼ -0.9 cm0.323 mASD
23 Aug 07:00▼ -0.7 cm0.332 mASD
23 Aug 06:00▼ -0.5 cm0.339 mASD
23 Aug 05:00▼ -0.4 cm0.344 mASD
23 Aug 04:000.348 mASD
Rainfall & Weather
Loading rainfall and weather data...
Flood history near this gauge
Official Environment Agency warnings issued since 2012 for the 7 flood
areas linked to this gauge (nearest 1.8 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 Ollerton 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
🌊 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
0.82
groundwater-fed — slow & steady
Avg Annual Rainfall
713 mm/yr
1991–2020 · +5% since 1941–70
Urban Extent
13%
partly urbanised
Highest Recorded Flow
11.20 m³/s
25 Jun 2007
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.
Time-of-flight ultrasonic flow gauge installed in Jan/Feb 2019 replacing measurement from Flat V Weir. Widespread subsidence in the area caused intermittent drowning of the weir between October 2015 and April 2019 for which a tailwater correction was applied to account for non-modularity.
More detail
The catchment
Geology predominantly Sherwood Sandstone with Limestone in the west and Mercia Mudstone to the east. Little Drift cover. Contains urban areas of Mansfield and Sutton in Ashfield. Mixed land use of arable and woodland.
The station
Time of flight ultrasonic flow gauge post Jan 2019. Pre-2019 Flat V weir, 5.2m wide with 0.64m high wingwalls. Built to measure flows d/s of the Sherwood Sandstone aquifer and to complement gauge at Mansfield (28115) which measures flows u/s of aquifer. Weir drowned during June 2007 high flows, flows over wingwalls.
How it measures flow
High flows during full period of record to be used with caution. No out of bank rating during period of weir or ultrasonic measurement. Out of bank flow occurs more frequently since 2015 due to widespread subsidence. Wingwalls raised for installation of the ultrasonic sensors with bypassing occuring below top transducer level.
Flow regime
The Maun is influent in the Sherwood Sandstone reaches; low flows can decline below those at 28115.
How this gauging station is built and how long it has measured (NRFA / UKCEH).
Gauge type
Ultrasonic
Operating since
1992
Station datum
31.9 mAOD
Flow record
1997–2024 · 27 yrs · 100% complete
Hydrometric area
28
Measured by
Environment Agency
Nearby Groundwater
Soil Moisture
Possible storm-overflow correlation
🚽 Storm overflows on this river
Frequently asked questions
Is the River Maun at Whitewater Bridge flooding today?
The current level is 0.34m, which is within the typical range of 0.24 to 0.80m. Flooding is unlikely at this level.
Is the river level rising or falling at Whitewater Bridge?
Based on the most recent readings, the level is currently rising. The chart above shows the last 7 days of measurements, updated roughly every 15 minutes.
What is a normal level for the River Maun at Whitewater Bridge?
The typical range at this station is 0.24m to 0.80m, based on Environment Agency historical data. Levels above 0.80m 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.
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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:
