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SwedenOld Mill House Penstock water level
River gauge, Buckinghamshire, United Kingdom
Right now
Latest reading
Surface elevation
History
What this means
Old Mill House Penstock reads 28.90 m as of 19 Oct 2026, 15:30 BST. The agency publishes no normal range or warning level for this river yet, so there is nothing to judge the number against.
It has risen 0.04 m over the past 24 hours. In the last month it has stayed between 28.81 m and 28.96 m.
Over the past seven days the change adds up to +0.03 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
- 28.81 m – 28.96 m
- Lowest and highest in 12 months
- 28.88 m – 28.92 m
Fishing and paddling
Watch the direction of travel. A rising river after rain behaves very differently from one that is dropping and clearing.
Flood alerts and warnings come from the Environment Agency.
Weather at the gauge
Rain in the last 3 days: 4.6 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 |
|---|---|---|---|---|
| Iver, Clisbys BridgeRiver gauge, River Colne | 0.32 m | Normal | +0.03 m | 0.3 km |
| Farlows BridgeRiver gauge, River Colne | 0.36 m | Low | +0.01 m | 1.1 km |
| Uxbridge, Philpots BridgeRiver gauge, River Pinn | 0.86 m | Normal | +0.10 m | 1.2 km |
| UxbridgeRiver gauge, River Pinn | 0.09 m | Normal | +0.06 m | 1.4 km |
| YiewsleyRiver gauge, Frays River | 0.75 m | Very low | +0.02 m | 2.0 km |
| Uxbridge, Fountains MillRiver gauge, Frays River | 0.61 m | Very low | ±0 | 2.6 km |
| Thorney Mill Road, West Drayton (Temporary)River gauge, River Colne | 0.06 m | Very low | +0.05 m | 2.8 km |
| West DraytonRiver gauge, River Colne | 0.43 m | Low | +0.02 m | 2.8 km |
Questions and answers
Is Old Mill House Penstock really 28.90 m deep?
No. 28.90 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 Old Mill House Penstock today?
On 19 Oct 2026, 15:30 BST, the surface elevation was 28.90 m. Up 0.04 m over the last 24 hours.
Is Old Mill House Penstock rising or falling?
Up 0.04 m over the last 24 hours. Up 0.03 m over the last 7 days.
Is the level of Old Mill House Penstock 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:2857TH- Coordinates
51.52614, -0.48832(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 | 28.90 m | 2026-10-19 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: Old Mill House Penstock (ea:2857TH). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/buckinghamshire/old-mill-house-penstock
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