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0.30

Yorkshire Bridge

Derwent
Derbyshire Derwent catchment • Thornhill • Derbyshire • ID: 4001 • Level
(32m ago) • 4 readings/hr • 179 views

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Current Level
0.295 mASD
▬ Steady
24h Max
0.296 mASD
24h Min
0.295 mASD
Typical Range
0.30 - 0.50
mASD
Highest Recorded
2.80 mASD
EA official record
1.09 in our data (since Aug 1971)
Current level is 11% of this
🚽 Sewage overflows nearby

Recent Water Levels

🌍 floodradar.co.uk
1 day

Recent Readings

Steady over 6h
09 Oct 19:15 ▬ steady 0.295 mASD
09 Oct 19:00 ▬ steady 0.295 mASD
09 Oct 18:45 ▬ steady 0.295 mASD
09 Oct 18:30 ▬ steady 0.295 mASD
09 Oct 18:15 ▬ steady 0.295 mASD
09 Oct 18:00 ▬ steady 0.295 mASD
09 Oct 17:45 ▬ steady 0.295 mASD
09 Oct 17:30 ▬ steady 0.295 mASD
09 Oct 17:15 ▬ steady 0.295 mASD
09 Oct 17:00 ▬ steady 0.295 mASD
09 Oct 16:45 ▬ steady 0.295 mASD
09 Oct 16:15 ▬ steady 0.295 mASD
09 Oct 16:00 ▬ steady 0.295 mASD
09 Oct 15:30 ▬ steady 0.295 mASD
09 Oct 15:15 ▬ steady 0.295 mASD
09 Oct 15:00 ▬ steady 0.295 mASD
09 Oct 14:30 ▬ steady 0.295 mASD
09 Oct 14:15 ▬ steady 0.295 mASD
09 Oct 14:00 ▬ steady 0.295 mASD
09 Oct 13:45 0.295 mASD

Station Details

  • Monitoring Station: Yorkshire Bridge
  • Watercourse: River Derwent
  • Nearest Town: Thornhill
  • County: Derbyshire
  • Nearest reservoir: Ladybower (2.2 km) · 34.4% full (as of 5 Oct 2026)
  • Coordinates: 53°21'44"N 1°42'13"W (53.362304, -1.703631)
  • Open in: Google Maps · Apple Maps (opens your maps app)
  • Date Opened: 1 Jan 1933
  • Status: Active
  • Station Type: River level station
Technical details: references, datum, range, flow archive
  • Station Reference: 4001
  • RLOI id: 2097 (the EA's check-for-flooding station id)
  • EA Gauge ID: 4001-level-stage-i-15_min-mASD
  • Parameter: Level
  • Unit: mASD
  • Typical rise rate: 3 cm/hr (p95 sustained over 90 days)
  • Typical data delay: ~22 min (measured reading→publication lag)
  • Tidal: No
  • Lock / structure: No
  • Catchment Area: Derbyshire Derwent
  • Typical Range: 0.302 – 0.500 mASD
  • Drainage Area: 126 km² upstream of this gauge
  • Flow Data: Daily mean flow (m³/s) to 7 Oct (2 days behind — the EA publishes each day's mean a day or two after it ends; unchecked, provisional) via EA Hydrology
  • EA Cross-check: 0.30 mASD (EA at 9 Oct 19:15)
  • Flow Archive: National River Flow Archive ↗

Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.

Nearby Stations

Gauges connected to this river, and others nearby. A distance “by river” follows the river on the map; any other is in a straight line.

Connected downstream

Same river system, separate branch

Nearby

Distances by river: OS Open Rivers. Contains OS data © Crown copyright and database rights 2026.

💧 Storm overflows upstream of this gauge

None of the storm overflows FloodRadar holds is traced upstream of this gauge on the mapped river network. That is not the same as none: the map leaves out many small streams and culverts, so an overflow it cannot place may still drain here, and not every company publishes every overflow. Those nearby are listed below.

Nearby, connection not known

Within 6 km in a straight line, but the river map cannot say whether their water passes this gauge.

💧
Severn Trent Water · into Bradwell Brook · 4.1 km away in a straight line · no mapped watercourse close enough to be sure
127 spills · 1,394 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 →

Contains OS data © Crown copyright and database rights 2026.

Rainfall & Weather

Loading rainfall and weather data...

How often this river runs high

In a typical year this gauge reaches its typical high of 0.50 m on about 63 days. This year so far: 58 days.

2026 58 days, 1 of them high · 1 high so far
2025 45 days
2024 82 days, 2 of them high · 2 high
2023 104 days, 8 of them high · 8 high
2022 43 days, 3 of them high · 3 high
2021 46 days, 2 of them high · 2 high
2020 61 days, 8 of them high · 8 high
2019 81 days, 8 of them high · 8 high
2018 77 days, 4 of them high · 4 high
2017 29 days

Counted from each day's highest reading. Days with missing or implausible readings are left out. The darker part is days above 1.40 m, the level this gauge tops only a few days a year.

Flood history near this gauge

Official Environment Agency warnings issued since 2011 for the 5 flood areas linked to this gauge (nearest 2.3 km away).

19flood warnings 0flood alerts

Most recent flood warning: 1 Jan 2025 — Peakshole Water at Castleton

Year by year
YearWarningsAlerts
2025 1 0
2023 7 0
2022 3 0
2021 1 0
2020 1 0
2019 3 0
2011 3 0

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 Thornhill flood history.

Flood areas linked to this gauge

Flood warnings and alerts are issued for whole areas. These are the 5 areas linked to this gauge, nearest first.

Catchment Character

🌊 Steep & flashy Steep 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
0.37
mixed response
Avg Annual Rainfall
1,479 mm/yr
1991–2020 · +5% since 1941–70
Urban Extent
0.0%
largely rural
Highest Daily Mean Flow
99.71 m³/s
9 Dec 1965 · daily mean, not the instantaneous peak
Flow-Duration Curve
mean 2.118.400.9320.5425% (high)% of days exceeded95% (low)
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.
Land Cover (2023)
Woodland 10%Grassland 23%Heath/scrub 64%Other 3%

Flow affected by: surface-water abstraction, reservoir influence, public water supply.

Photos

Gauging-station photographs from the National River Flow Archive (UKCEH).

Photos © NRFA / UKCEH & the measuring authority — shown at web resolution. Full gallery on the NRFA ↗

About this gauge

Two shallow flumes with a whaleback divide. Long naturalised series for the Derwent.

More detail

The catchment

Steep moorland catchment, with extensive hilltop peat. Shale and sandstone form the lower parts of the valleys, gritstone tops the hills (Middle Carboniferous).

The station

Two shallow profile trapezoidal flumes with a whaleback divide since 1936; compound sharp-edged weir previously. Below a cascade of 3 reservoirs (built in 1912, 1916, 1946).

How it measures flow

Within basin diversions (Ashop) and imports (Noe); public water supply exports. Flume resurfacing works completed in August 2022 returned measurement to original modelled flume rating. For record prior to 2022 a different rating applies due to impact of poor flume surface. Control is provided by rock outcrop in river 40m downstream, and stone road bridge 95m downstream during high flows.

Flow regime

Flow regime is dominated by Ladybower reservoir outflow. Regular compensation flow for large proportion of each year while reservoirs are not spilling.

The flow record

Long naturalised series available. Monthly naturalised flows 1905-1950 derived from a different source.

Descriptions from the National River Flow Archive (UKCEH). NRFA station record ↗

Gauge Details

How this gauging station is built and how long it has measured (NRFA / UKCEH).

Gauge type
Flume
Operating since
1936
Station datum
159.4 mAOD
Flow record
1933–2024 · 91 yrs · 100% complete
Hydrometric area
28
Measured by
Environment Agency

Frequently asked questions

Is the River Derwent at Yorkshire Bridge flooding today?

The current level is 0.30m, which is below the typical range. Flooding is very unlikely at this level.

Is the river level rising or falling at Yorkshire Bridge?

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 Yorkshire Bridge?

The typical range at this station is 0.30m to 0.50m, based on Environment Agency historical data. Levels above 0.50m 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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📮 Flood risk by postcode near this gauge

Postcodes within 5 km with properties in the Environment Agency’s rivers-and-sea flood-risk bands:

Check any UK postcode’s flood risk →

🏠 Buying or renting around here? Get the Property Flood-Risk Report for any English postcode — official risk band, recorded floods, warning history, river behaviour and nearby storm overflows. £19 one-off. Learn more →