Canada
United States
Belgium
France
Ireland
Netherlands
United Kingdom
Austria
Czechia
Germany
Poland
Slovenia
Switzerland
Italy
Spain
Türkiye
Denmark
Finland
Norway
SwedenLetheringham Mill Sluice water level
River gauge, Suffolk, United Kingdom
Right now
Latest reading
Surface elevation
History
What this means
The Environment Agency has Letheringham Mill Sluice at 15.18 m. The agency publishes no normal range or warning level for this river yet, so there is nothing to judge the number against.
The level has held steady over the past 24 hours. The 30-day range is 15.10 m – 15.20 m.
Over the past seven days the change adds up to −0.01 m.
The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels
Key numbers
- Lowest and highest in 30 days
- 15.10 m – 15.20 m
- Lowest and highest in 12 months
- 15.11 m – 15.19 m
For anglers and canoeists
Without a reference range, compare today with the chart: a sharp rise usually means coloured water.
Many angling and canoe clubs check gauges like this one before heading out.
Weather at the gauge
Rain in the last 3 days: 1.8 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 |
|---|---|---|---|---|
| BrandestonRiver gauge, River Deben | 0.28 m | Normal | +0.01 m | 4.5 km |
| FramlinghamRiver gauge, River Ore | −0.03 m | Low | +0.04 m | 6.3 km |
| CloptonRiver gauge, River Lark | 0.28 m | Normal | +0.01 m | 7.8 km |
| FarnhamRiver gauge, River Alde | 0.09 m | Very low | +0.01 m | 8.3 km |
| DebenhamRiver gauge, River Deben | 0.19 m | Normal | −0.01 m | 12 km |
| SaxmundhamRiver gauge, River Fromus | 1.14 m | Normal | +0.01 m | 12 km |
| SibtonRiver gauge, River Yox | 0.24 m | Low | ±0 | 14 km |
| HuntingfieldRiver gauge, Huntingfield Watercourse | 1.25 m | Normal | +0.26 m | 17 km |
Questions and answers
Is Letheringham Mill Sluice really 15.18 m deep?
No. 15.18 m is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.
What is the water level of Letheringham Mill Sluice today?
On 18 Oct 2026, 15:30 BST, the surface elevation was 15.18 m. Steady over the last 24 hours.
Is Letheringham Mill Sluice rising or falling?
Steady over the last 24 hours. Steady over the last 7 days.
Is the level of Letheringham Mill Sluice normal?
The agency publishes no normal range for this gauge yet, so we show the trend only.
How often is this data updated?
The Environment Agency publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
Where does this data come from?
The values come directly from the Environment Agency, the official operator of this gauge, and are published under the Open Government Licence v3.0. We do not estimate or model live values.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- Environment Agency
- Station code
ea:E21738- Coordinates
52.17495, 1.33167(WGS84)- Vertical datum
- ODN
- 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 |
|---|---|---|---|
| Surface elevation | 15.18 m | 2026-10-18 14:30 | 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: Letheringham Mill Sluice (ea:E21738). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/suffolk/letheringham-mill-sluice
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