River Thames at Mapledurham Lock
The River Thames at Mapledurham Lock read 0.051 m at .
- Newest reading
- 0.051 mProvisional
- Change
- +0.021 m in a day
- +0.015 m in a week
That is within the typical range of 0.017 m to 0.3 m that the Environment Agency gives for this station.
The last 90 days
- Level
- Our record
Table: The last 90 days
| Day | Daily average (m) |
|---|---|
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| no value | |
| 0.032 m | |
| 0.033 m | |
| 0.032 m | |
| 0.036 m | |
| 0.039 m | |
| 0.048 m | |
| 0.045 m | |
| 0.044 m | |
| 0.043 m | |
| 0.044 m | |
| 0.042 m | |
| 0.037 m | |
| 0.036 m | |
| 0.045 m | |
| 0.043 m | |
| 0.041 m | |
| 0.037 m | |
| 0.040 m | |
| 0.045 m | |
| 0.034 m | |
| 0.045 m | |
| 0.044 m | |
| 0.044 m | |
| 0.044 m | |
| 0.050 m | |
| 0.052 m | |
| 0.054 m | |
| 0.051 m | |
| 0.043 m | |
| 0.044 m | |
| no value | |
| no value |
Normal range and official levels
- Typical range, low: 0.017 m. The newest reading is 0.034 m above it.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
- Typical range, high: 0.3 m. The newest reading is 0.249 m below it.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
Records
- Highest reading in our series since 2 October 2025: 0.069 m at 23:45 BST on 3 October 2025. Provisional data.
- Lowest reading in our series since 2 October 2025: 0.00 m at 11:30 BST on 6 September 2026. Provisional data.
- Highest daily average in our series since 2 October 2025: 0.059 m on 4 October 2025. Provisional data.
- Lowest daily average in our series since 2 October 2025: 0.032 m on 4 September 2026. Provisional data.
As the source publishes them
- Lowest on record: -0.343 m, on 21 February 2001.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
- Highest in recent years: 0.746 m, on 10 January 2014.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
- Highest on record: 0.847 m, on 7 January 2024.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
About this gauge
Mapledurham Lock is a gauge on the River Thames in the United Kingdom.
It lies at 51.4860° N, 1.0397° W.
Its readings come from the Environment Agency.
The gauge reads the height of the water above a fixed zero, not the depth of the river.
The Environment Agency says its real-time data should not be relied upon for safety critical applications.
The newest reading is provisional: the source may still correct it.