Whitwell water level
River gauge, River Mimram, Hertfordshire, United Kingdom
Right now
Normal for mid-October
Water level
History
20252026
What this means
The River Mimram at Whitwell is at 0.06 m, in the normal range for mid-October.
That puts it 0.01 m below the median of 0.06 m for mid-October, based on 21 years of readings. A year ago it stood at 0.07 m (−0.02 m).
The level has held steady over the past 24 hours. In the last month it has stayed between 0.05 m and 0.06 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
- 0.06 m0.01 m below the median for this date
- Normal for this date
- 0.03 m – 0.08 m8 years in 10 fall in this range (21 years of records)
- Normal range
- 0.02 m – 0.50 m
- Same day last year
- 0.07 m−0.02 m
- Lowest and highest in 30 days
- 0.05 m – 0.06 m
- Lowest and highest in 12 months
- 0.05 m – 0.10 m
- Highest on record
- 0.28 mFebruary 12, 2001
- Lowest on record
- −0.11 mNovember 1, 1997
Fishing and paddling
Paddlers and anglers can expect the river much as they know it, though a heavy shower upstream can change that within hours.
Flood alerts and warnings come from the Environment Agency.
About the River Mimram
The River Mimram is a chalk stream in Hertfordshire, England. It runs from its source near Whitwell in Hertfordshire to join the River Lea at Hertford.
Text and image from Wikipedia and Wikimedia Commons, licensed under CC BY-SA.
Weather at the gauge
The forecast is not available right now.
Map
Other gauges on the River Mimram
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Fulling MillRiver gauge, River Mimram | 0.07 m | Normal | ±0 | 6.0 km |
| PanshangerRiver gauge, River Mimram | 0.42 m | Normal | +0.02 m | 13 km |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| HarpendenRiver gauge, River Lee | 0.79 m | Low | +0.03 m | 6.9 km |
| Luton East HydeRiver gauge, River Lee | 1.10 m | Normal | ±0 | 7.1 km |
| Bragbury ParkRiver gauge, Stevenage Brook | 0.15 m | Normal | +0.11 m | 9.1 km |
| Luton, Stockingstone RoadRiver gauge, River Lee | 0.03 m | Low | ±0 | 9.7 km |
| WalkernRiver gauge, River Beane | 0.10 m | Normal | +0.01 m | 12 km |
| RedbournRiver gauge, River Ver | 0.04 m | Normal | +0.01 m | 12 km |
| RedbournRiver gauge, River Red | 0.05 m | Normal | +0.35 m | 12 km |
| Luton, Toddington RoadRiver gauge, River Lee | 0.00 m | Normal | +0.02 m | 13 km |
Questions and answers
How does the River Mimram at Whitwell compare with last year?
It is 0.02 m lower than on the same day last year, when the reading was 0.07 m.
What is a normal level for the River Mimram at Whitwell in mid-October?
The median for mid-October is 0.06 m. In 8 years out of 10 the reading falls between 0.03 m and 0.08 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 0.06 m on the gauge does not mean the water is that deep.
What is the water level of Whitwell today?
On 19 Oct 2026, 04:15 BST, the water level was 0.06 m. Steady over the last 24 hours.
Is Whitwell rising or falling?
Steady over the last 24 hours. Steady over the last 7 days.
Is the level of Whitwell 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 Whitwell?
The highest level on record is 0.28 m on February 12, 2001. The lowest is −0.11 m on November 1, 1997.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- Environment Agency
- Station code
ea:4730TH(Agency page)- Coordinates
51.87689, -0.28128(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 | 0.06 m | 2026-10-19 03:15 | Provisional |
Download
Embed this gauge
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How to cite
Environment Agency: Whitwell (ea:4730TH). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/hertfordshire/whitwell
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