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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
0.504 mASD
▬ Steady
24h Max
0.522 mASD
24h Min
0.449 mASD
Typical Range
0.49 - 1.60
mASD
Highest Recorded
2.53 mASD
EA official record
A 3.82 reading (15 Feb 2020) sits in our unverified raw history and is not treated as the record
Current level is 20% 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.
163 storm overflows are traced upstream of this gauge, the nearest 8.1 km away along the river. 0 report discharging now, 158 report not discharging, and for 5 the monitor is offline or has not reported, so their status is not known.
Severn Trent Water · into Trib Of River Derwent · 5.5 km away in a straight line · its watercourse is not on the river map
28 spills · 41 hours in 2025
Not discharging now · last
8 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 1.60 m
on about 21 days.
This year so far: 12 days.
202612 days, 4 of them high · 4 highso far
202511 days, 6 of them high · 6 high
202421 days, 10 of them high · 10 high
202335 days, 19 of them high · 19 high
202214 days, 8 of them high · 8 high
202124 days, 12 of them high · 12 high
202024 days, 12 of them high · 12 high
201932 days, 19 of them high · 19 high
201821 days, 10 of them high · 10 high
20173 days, 1 of them high · 1 high
Counted from each day's highest reading. Days with missing or implausible readings are left out.
The darker part is days above 1.97 m, the level this gauge tops only a few days a year.
Flood history near this gauge
Official Environment Agency warnings issued since 2006 for the 41 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 Shardlow flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 41 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
0.55
mixed response
Avg Annual Rainfall
1,037 mm/yr
1991–2020 · +5% since 1941–70
Urban Extent
4.8%
partly urbanised
Median Annual Flood
173 m³/s
QMED — typical yearly peak flow
Highest Daily Mean Flow
268 m³/s
21 Oct 2023 · 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.
Crump profile Flat V weir in trapezoidal channel with variable quality high flows data as weir drowns and can back up from Trent. Sidelooker ADCP velocity index gauge 1km downstream will replace weir in future, currently running in parallel during calibration period.
More detail
The catchment
Large catchment with moorland headwaters on Carboniferous Grit and Limestone. Lower reaches on Sherwood Sandstone and Mercia Mudstone. Valley broadens considerably below Derby with extensive sand and gravel terraces. Range of agricultural and industrial activity.
The station
Crump profile flat V weir is 27m wide, in trapezoidal channel. Very broad floodplain - flows readily and extensively occur out of bank at approx 2.0mASD. 20km downstream of St Marys Bridge; substantial abstractions and returns in between.
How it measures flow
High flows of variable quality as weir drowns; calculated by extrapolation from St Mary's Bridge and gaugings at Draycott. At high flows the gauging site becomes cut off due to floodplain flows and is impossible to gauge except through the use of a boat. Three peak flow ratings applied across period of record. Little evidence to support the top end of the rating.
Flow regime
Can back up from Trent. Abstraction point nearby at Draycott can affect flows (e.g. summer 2018).
The flow record
Flows for the period 01/01/2004 onwards re-processed using new ratings following rating review in 2014. Full period of record peak flow data reviewed and released in September 2022 (WINFAP Files v11).
How this gauging station is built and how long it has measured (NRFA / UKCEH).
Gauge type
Flat-V weir
Operating since
1973
Station datum
31.0 mAOD
Flow record
1973–2024 · 51 yrs · 100% complete
Peak-flow record
since 1973
Hydrometric area
28
Measured by
Environment Agency
Nearby Groundwater
Soil Moisture
Possible storm-overflow correlation
Rain upstream
This gauge has no rain model of its own, but it usually follows Wingfield Park: when about 6mm of rain falls near Wingfield Park in 12h, this gauge usually starts rising about 3 hours later.
Record: this held 16 of 19 times (past storms) · rain gauge: Rainfall station
Experimental, from historical rain and river data. Not an official flood warning.
Related gauges
Measured from a year of how these gauges actually moved.
Timing, not cause. Gauges can move together simply because the same rain fell on both.
Frequently asked questions
Is the River Derwent at Church Wilne flooding today?
The current level is 0.50m, which is within the typical range of 0.49 to 1.60m. Flooding is unlikely at this level.
Is the river level rising or falling at Church Wilne?
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 Derwent at Church Wilne?
The typical range at this station is 0.49m to 1.60m, based on Environment Agency historical data. Levels above 1.60m 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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1985 Channel immediately downstream from gauging station
1985 Downstream from gauging station left bank
1985 Upstream view from gauging station
1985 Control section viewed from left bank
Cableway
Upstream view to gauging station
Upstream view to gauging station