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Fulling Mill water level

River gauge, River Mimram, Hertfordshire, United Kingdom

Directions

Right now

Normal for mid-October

Water level

0.06m Steady over the last 24 hours

-0.5 0.0 0.5 Highest onrecord 0.55 m Lowest on record -0.46 m

History

History
0.050.10mOct 12Oct 14Oct 16Oct 17Oct 190.050.10mOct 12Oct 16Oct 19
0.050.10mSep 19Sep 27Oct 4Oct 12Oct 190.050.10mSep 19Oct 4Oct 19
-0.00.30.5mOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Top of normal rangeBottom of normal range-0.00.30.5mOct 2025Apr 2026Oct 2026Top of normal rangeBottom of normal range
-0.00.2mJanMarMayJulSepNov2026-0.00.2mJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Top of normal rangeBottom of normal range

What this means

Water levels are unremarkable at Fulling Mill, where the gauge shows 0.06 m.

That puts it 0.01 m below the median of 0.07 m for mid-October, based on 21 years of readings. A year ago it stood at 0.09 m (−0.02 m).

The level has held steady over the past 24 hours. The 30-day range is 0.06 m – 0.07 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
0.07 m0.01 m below the median for this date
Normal for this date
0.01 m – 0.10 m8 years in 10 fall in this range (21 years of records)
Normal range
−0.14 m – 0.66 m
Same day last year
0.09 m−0.02 m
Lowest and highest in 30 days
0.06 m – 0.07 m
Lowest and highest in 12 months
0.06 m – 0.21 m
Highest on record
0.55 mOctober 13, 1993
Lowest on record
−0.46 mMarch 26, 1990

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.

About the River Mimram

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.

Read more on Wikipedia

Text and image from Wikipedia and Wikimedia Commons, licensed under CC BY-SA.

Weather at the gauge

Rain in the last 3 days: 3.2 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 13° 7° 3.0 mm, 91% Wind 23 km/h
19 Mon 14° 9° 4.4 mm, 95% Wind 12 km/h
20 Tue 12° 10° 9.4 mm, 59% Wind 12 km/h
21 Wed 13° 7° 3.3 mm, 49% Wind 21 km/h
22 Thu 13° 5° 0.4 mm, 48% Wind 18 km/h
23 Fri 10° 7° 37 mm, 76% Wind 36 km/h
24 Sat 10° 4° – Wind 25 km/h

Forecast: Open-Meteo

Sunrise 07:32 AM Sunset 06:01 PM Daylight 10 hr, 28 min First quarter 60%

Map

Other gauges on the River Mimram

Gauge Level Compared with normal 24 hours Distance
WhitwellRiver gauge, River Mimram 0.05 m Normal −0.01 m 6.0 km
PanshangerRiver gauge, River Mimram 0.42 m Normal +0.01 m 6.7 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Bragbury ParkRiver gauge, Stevenage Brook 0.07 m Normal −0.20 m 6.4 km
HarpendenRiver gauge, River Lee 0.80 m Normal −0.03 m 8.7 km
WaterhallRiver gauge, River Lee 0.15 m Normal +0.02 m 10 km
Hertford, Hartham ParkRiver gauge, River Beane 0.20 m High +0.03 m 11 km
Luton East HydeRiver gauge, River Lee 1.10 m Normal ±0 11 km
WalkernRiver gauge, River Beane 0.09 m Normal ±0 11 km
Dane EndRiver gauge, River Beane 0.92 m Very high +0.08 m 12 km
RedbournRiver gauge, River Ver 0.04 m Normal −0.01 m 13 km

Questions and answers

How does the River Mimram at Fulling Mill compare with last year?

It is 0.02 m lower than on the same day last year, when the reading was 0.09 m.

What is a normal level for the River Mimram at Fulling Mill in mid-October?

The median for mid-October is 0.07 m. In 8 years out of 10 the reading falls between 0.01 m and 0.10 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 Fulling Mill today?

On 19 Oct 2026, 16:00 BST, the water level was 0.06 m. Steady over the last 24 hours.

Is Fulling Mill rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Fulling Mill 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 Fulling Mill?

The highest level on record is 0.55 m on October 13, 1993. The lowest is −0.46 m on March 26, 1990.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:4770TH (Agency page)
Coordinates
51.83764, -0.22129 (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

ParameterLast valueTime (UTC)Quality
Water level 0.06 m 2026-10-19 15:00 Provisional

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How to cite

Environment Agency: Fulling Mill (ea:4770TH). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/hertfordshire/fulling-mill

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.