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Cheshunt, Windmill Lane water level

River gauge, Small River Lee, Hertfordshire, United Kingdom

Directions

Normal for mid-October

Water level

0.48m Down 0.03 m over the last 24 hours

1 2 Highest onrecord 1.97 m Lowest on record 0.35 m

History

0.40.6mOct 13Oct 15Oct 16Oct 18Oct 20Bottom of normal range0.40.6mOct 13Oct 16Oct 20Bottom of normal range
0.40.6mSep 20Sep 27Oct 5Oct 12Oct 20Bottom of normal range0.40.6mSep 20Oct 5Oct 20Bottom of normal range
12mOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Top of normal rangeBottom of normal range12mOct 2025Apr 2026Oct 2026Top of normal rangeBottom of normal range
0.51.0mJanMarMayJulSepNov20260.51.0mJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Top of normal rangeBottom of normal range

What this means

Water levels are unremarkable at Cheshunt, Windmill Lane, where the gauge shows 0.48 m.

That puts it 0.05 m above the median of 0.43 m for mid-October, based on 21 years of readings. A year ago it stood at 0.44 m (+0.03 m).

It is still going down, by 0.03 m over the past 24 hours. The 30-day range is 0.41 m – 0.68 m.

Autumn rain usually starts to lift rivers again after the summer low.

Compared with 21 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
0.43 m0.05 m above the median for this date
Normal for this date
0.38 m – 0.69 m8 years in 10 fall in this range (21 years of records)
Normal range
0.37 m – 2.10 m
Same day last year
0.44 m+0.03 m
Lowest and highest in 30 days
0.41 m – 0.68 m
Lowest and highest in 12 months
0.41 m – 1.27 m
Highest on record
1.97 mFebruary 10, 2009
Lowest on record
0.35 mSeptember 16, 2007

For anglers and canoeists

This is an ordinary level for the river: most put-ins, beats and weirs behave as they usually do.

Many angling and canoe clubs check gauges like this one before heading out.

About the Small River Lee

Small River Lea

The Small River Lea is a minor tributary of the River Lea, which flows through the Lee Valley Park between Cheshunt and Enfield Lock. It forms part of the Turnford and Cheshunt Pits Site of Special Scientific Interest (SSSI) as it flows through the River Lee Country Park.

Read more on Wikipedia

Text and image from Wikipedia and Wikimedia Commons, licensed under CC BY-SA.

Weather at the gauge

Rain in the last 3 days: 2.3 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

19 Mon 13° 10° 1.5 mm, 86% Wind 12 km/h
20 Tue 13° 10° 8.2 mm, 65% Wind 12 km/h
21 Wed 13° 7° 11 mm, 53% Wind 31 km/h
22 Thu 13° 6° 0.7 mm, 82% Wind 18 km/h
23 Fri 13° 8° 10 mm, 84% Wind 38 km/h
24 Sat 12° 7° 2.6 mm, 61% Wind 31 km/h
25 Sun 17° 11° 1.5 mm, 61% Wind 22 km/h

Forecast: Open-Meteo

Sunrise 07:33 AM Sunset 05:58 PM Daylight 10 hr, 25 min First quarter 66%

Map

Other gauges on the Small River Lee

Gauge Level Compared with normal 24 hours Distance
Enfield, Ordance RoadRiver gauge, Small River Lee 0.14 m Normal +0.01 m 3.5 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Cheshunt, Trinity LaneRiver gauge, Theobalds Brook 0.26 m Lowest on record −0.08 m 1.3 km
Cheshunt, Rosedale WayRiver gauge, Rags Brook 0.78 m Very low −0.01 m 2.9 km
Waltham AbbeyRiver gauge, Cobbins Brook 0.05 m Normal ±0 3.0 km
Waltham Abbey, Sewardstone RoadRiver gauge, Cobbins Brook 0.09 m Normal ±0 3.1 km
Enfield, Albany ParkRiver gauge, Turkey Brook 0.06 m Very low −0.01 m 3.9 km
Lower NazeingRiver gauge, Nazeing Brook 1.00 m Normal ±0 4.6 km
Roydon, Glen FabaRiver gauge, River Stort 1.44 m Normal ±0 7.3 km
Hoddesdon, Rye BridgeRiver gauge, River Lee 2.85 m Normal +0.01 m 7.7 km

Questions and answers

How does the Small River Lee at Cheshunt, Windmill Lane compare with last year?

It is 0.03 m higher than on the same day last year, when the reading was 0.44 m.

What is a normal level for the Small River Lee at Cheshunt, Windmill Lane in mid-October?

The median for mid-October is 0.43 m. In 8 years out of 10 the reading falls between 0.38 m and 0.69 m, based on 21 years of records.

Is the river level the same as the depth of the water?

No. The reading is measured from a fixed zero mark at the gauge, so 0.48 m on the gauge does not mean the water is that deep.

What is the water level of Cheshunt, Windmill Lane today?

On 20 Oct 2026, 08:45 BST, the water level was 0.48 m. Down 0.03 m over the last 24 hours.

Is Cheshunt, Windmill Lane rising or falling?

Down 0.03 m over the last 24 hours. Up 0.05 m over the last 7 days.

Is the level of Cheshunt, Windmill Lane normal?

Normal for mid-October. Compared with 21 years of daily readings for this time of year.

What is the highest water level ever recorded at Cheshunt, Windmill Lane?

The highest level on record is 1.97 m on February 10, 2009. The lowest is 0.35 m on September 16, 2007.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:5318TH (Agency page)
Coordinates
51.70322, -0.02251 (WGS84)
Vertical datum
station datum
Update interval
every 15 minutes
Licence
Open Government Licence v3.0. Contains Environment Agency data licensed under the Open Government Licence v3.0

Published series

ParameterLast valueTime (UTC)Quality
Water level 0.48 m 2026-10-20 07:45 Provisional

Download

Embed this gauge

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How to cite

Environment Agency: Cheshunt, Windmill Lane (ea:5318TH). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/hertfordshire/cheshunt-windmill-lane

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer