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⤴Unusual rise — FloodRadar+Top 1% rise rate for this gauge.
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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.
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 data and are best-efforts. Terms
Current Level
0.406 mASD
▬ Steady
24h Max
0.409 mASD
24h Min
0.404 mASD
Typical Range
0.37 - 2.10
mASD
Highest Recorded
3.91 mASD
16 Mar 2013
Since Dec 2006
Current level is 10% 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.
Long Term
🌍 floodradar.co.uk
—
Consecutive rainy days0 → 10+
Days Above Normal
This year vs 5-year monthly range
Recent Readings
Steady over 6h
24 Aug 00:30▬ steady0.406 mASD
24 Aug 00:15▬ steady0.406 mASD
24 Aug 00:00▬ steady0.406 mASD
23 Aug 23:45▬ steady0.406 mASD
23 Aug 23:30▬ steady0.406 mASD
23 Aug 23:15▲ +0.1 cm0.406 mASD
23 Aug 23:00▬ steady0.405 mASD
23 Aug 22:45▬ steady0.405 mASD
23 Aug 21:30▬ steady0.405 mASD
23 Aug 21:15▬ steady0.405 mASD
23 Aug 21:00▬ steady0.405 mASD
23 Aug 20:45▬ steady0.405 mASD
23 Aug 20:30▲ +0.1 cm0.405 mASD
23 Aug 20:15▼ -0.1 cm0.404 mASD
23 Aug 20:00▲ +0.1 cm0.405 mASD
23 Aug 19:45▼ -0.1 cm0.404 mASD
23 Aug 19:30▬ steady0.405 mASD
23 Aug 19:15▬ steady0.405 mASD
23 Aug 19:00▬ steady0.405 mASD
23 Aug 18:450.405 mASD
Rainfall & Weather
Loading rainfall and weather data...
Flood history near this gauge
Official Environment Agency warnings issued since 2008 for the 12 flood
areas linked to this gauge (nearest 0.9 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 Cheshunt 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.
Nearby Groundwater
Soil Moisture
Possible storm-overflow correlation
🚽 Storm overflows on this river
Frequently asked questions
Is the Small River Lee at Cheshunt, Windmill Lane flooding today?
The current level is 0.41m, which is within the typical range of 0.37 to 2.10m. Flooding is unlikely at this level.
Is the river level rising or falling at Cheshunt, Windmill Lane?
Based on the most recent readings, the level is currently steady. The chart above shows the last 7 days of measurements, updated roughly every 15 minutes.
What is a normal level for the Small River Lee at Cheshunt, Windmill Lane?
The typical range at this station is 0.37m to 2.10m, based on Environment Agency historical data. Levels above 2.10m 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.
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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:
