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SwedenRadlett water level
River gauge, Radlett Brook, Hertfordshire, United Kingdom
Right now
Within the normal range
Water level
History
What this means
Water levels are unremarkable at Radlett, where the gauge shows 0.38 m.
The usual range here runs from 0.30 m to 1.57 m.
The level has held steady over the past 24 hours. The 30-day range is 0.36 m – 0.55 m.
Autumn rain usually starts to lift rivers again after the summer low.
Compared with the normal range the agency publishes for this gauge. How to read levels
Key numbers
- Normal range
- 0.30 m – 1.57 m
- Lowest and highest in 30 days
- 0.36 m – 0.55 m
- Lowest and highest in 12 months
- 0.36 m – 0.43 m
- Highest on record
- 1.60 mAugust 9, 2002
- Lowest on record
- 0.01 mMay 25, 2003
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.
Weather at the gauge
Rain in the last 3 days: 1.9 mm. Rain that falls upstream can take hours or days to show up at a river gauge.
Forecast: Open-Meteo
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| BorehamwoodRiver gauge, Borehamwood Brook | 0.91 m | Normal | +0.02 m | 2.5 km |
| Colney StreetRiver gauge, River Ver | 0.15 m | Normal | +0.01 m | 2.9 km |
| London ColneyRiver gauge, River Colne | 1.09 m | Normal | ±0 | 4.5 km |
| WatfordRiver gauge, River Colne | 0.19 m | Normal | +0.01 m | 4.6 km |
| Mimmshall BrookRiver gauge | 0.26 m | Normal | +0.01 m | 7.3 km |
| North MymmsRiver gauge, Mimmshall Brook | 0.36 m | Very high | ±0 | 7.7 km |
| Edgware, Deans BrookRiver gauge, Deans Brook | 0.80 m | Normal | ±0 | 7.9 km |
| Stanmore, Wolverton RoadRiver gauge, Edgware Brook | −0.03 m | Lowest on record | −0.01 m | 8.0 km |
Questions and answers
What is the typical range for Radlett Brook at Radlett?
The Environment Agency gives a typical range of 0.30 m to 1.57 m for this gauge.
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 0.38 m on the gauge does not mean the water is that deep.
What is the water level of Radlett today?
On 19 Oct 2026, 14:30 BST, the water level was 0.38 m. Steady over the last 24 hours.
Is Radlett rising or falling?
Steady over the last 24 hours. Down 0.03 m over the last 7 days.
Is the level of Radlett normal?
Within the normal range. Compared with the normal range the agency publishes for this gauge.
What is the highest water level ever recorded at Radlett?
The highest level on record is 1.60 m on August 9, 2002. The lowest is 0.01 m on May 25, 2003.
How often is this data updated?
The Environment Agency publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- Environment Agency
- Station code
ea:2808TH(Agency page)- Coordinates
51.68232, -0.31561(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
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 0.38 m | 2026-10-19 13:30 | Provisional |
Download
Embed this gauge
Add a live card for this gauge to your website. It updates on its own and links back here.
How to cite
Environment Agency: Radlett (ea:2808TH). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/hertfordshire/radlett
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