Don and Rother catchment
• Chesterfield Calow Lane • Derbyshire • ID: L0245 • Level
The official "typical high" for this gauge is routinely exceeded (often the case on
regulated rivers), so FloodRadar uses a threshold computed from this station's own data.
(30m ago) • 3 readings/hr • 180 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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EA/SEPA/NRW data and are best-efforts. Terms
Current Level
0.125 m
▲ Rising (+1cm/hr)
24h Max
0.148 m
24h Min
0.114 m
Typical Range
0.03 - 0.43
m
Highest Recorded
1.45 m
EA official record
1.45 in our data (since May 2003)
Current level is 9% 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.
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.
1 storm overflow is traced upstream of this gauge, the nearest 3.4 km away along the river. 0 report discharging now, 1 reports not discharging.
Yorkshire Water · into Williamthorpe Reservoir · 4.5 km away in a straight line · discharges to a loch, lake or reservoir
68 spills · 784 hours in 2025
Not discharging now · last
5 more within 6 km whose connection is not known.
51 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 0.43 m
on about 8 days.
This year so far: 11 days.
202611 days, 4 of them high · 4 highso far
202512 days, 6 of them high · 6 high
202418 days, 13 of them high · 13 high
202321 days, 15 of them high · 15 high
20223 days, 2 of them high · 2 high
20214 days, 3 of them high · 3 high
20205 days, 3 of them high · 3 high
20196 days, 3 of them high · 3 high
20184 days, 2 of them high · 2 high
20170 days
Counted from each day's highest reading. Days with missing or implausible readings are left out.
The darker part is days above 0.58 m, the level this gauge tops only a few days a year.
Flood history near this gauge
Official Environment Agency warnings issued since 2012 for the 7 flood
areas linked to this gauge (nearest 2.1 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 Chesterfield Calow Lane 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.
Timing, not cause. Gauges can move together simply because the same rain fell on both.
Frequently asked questions
Is the Calow Brook at Chesterfield Calow Lane flooding today?
The current level is 0.13m, which is within the typical range of 0.03 to 0.43m. Flooding is unlikely at this level.
Is the river level rising or falling at Chesterfield Calow Lane?
Based on the most recent readings, the level is currently rising. 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 Calow Brook at Chesterfield Calow Lane?
The typical range at this station is 0.03m to 0.43m, based on Environment Agency historical data. Levels above 0.43m 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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