Derwent West Cumbria and Duddon catchment
• Seaton Mill, Barepot, Workington • Cumberland • ID: 753050 • Level
(22m ago) • 4 readings/hr • 161 views
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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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Current Level
0.631 m
▬ Steady
24h Max
0.653 m
24h Min
0.629 m
Typical Range
0.51 - 1.50
m
Highest Recorded
2.67 m
EA official record
2.66 in our data (since Feb 2011)
Current level is 24% 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.
36 storm overflows are traced upstream of this gauge, the nearest 1.9 km away along the river. 0 report discharging now, 33 report not discharging, and for 3 the monitor is offline or has not reported, so their status is not known.
United Utilities · into Townsend Beck · 5.2 km away in a straight line · its watercourse is not on the river map
4 spills · 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 →
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 Seaton Mill, Barepot, Workington flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 7 areas linked to this gauge, nearest first.
🌊 Steep & flashySteep catchment sheds rain quickly — expect fast, sharp rises after heavy rain.
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
0.44
mixed response
Avg Annual Rainfall
1,988 mm/yr
1991–2020 · +4% since 1941–70
Urban Extent
0.4%
largely rural
Median Annual Flood
211 m³/s
QMED — typical yearly peak flow
Highest Daily Mean Flow
473 m³/s
5 Dec 2015 · 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.
Most downstream station on the Derwent, opened to replace Camerton (75002).
More detail
The catchment
The river Derwent starts at Styhead Tarn beneath Scafell Pike and runs north through the Borrowdale valley into Derwentwater then Bassenthwaite lake and eventually joins the sea at Workington. Once it leaves Bassenthwaite it is joined by some significant tributaries (Cocker and Marron). The catchment is predominantly rural but many of the rivers and streams have been artificially straightened and modified in the past.
The station
The station was built to replace Camerton which was destroyed in the flood Nov 2009. Station added to peak flows dataset in September 2019 (WINFAP Files v8).
How it measures flow
Levels at the station are subject to surging during windy conditions which can impact levels by 20-30mm. Major floods such as November 2009 and December 2015 have significant bypassing flows on the right bank, which have been assessed by hydraulic modelling and comparison with upstream stations. A cableway is installed and all gaugings are done at the station. Control is Yearl Weir 300m downstream which incorporates two fish passes and a broad crested weir section. An offtake sluice is located close to the weir left bank which can be opened to aid fish passage with an effect on the rating at low flows. One peak flow rating valid across period of record.
The flow record
Low flows are difficult to measure as velocities are very low.
Timing, not cause. Gauges can move together simply because the same rain fell on both.
Frequently asked questions
Is the River Derwent at Seaton Mill, Barepot, Workington flooding today?
The current level is 0.63m, which is within the typical range of 0.51 to 1.50m. Flooding is unlikely at this level.
Is the river level rising or falling at Seaton Mill, Barepot, Workington?
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 Seaton Mill, Barepot, Workington?
The typical range at this station is 0.51m to 1.50m, based on Environment Agency historical data. Levels above 1.50m 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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14 Jun 2019 Looking downstream towards station
14 Jun 2019 Looking upstream
17 Jan 2014 Yearl Weir downstream station