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Thetford Coffee Mill Sluice water level

River gauge, River Thet, Norfolk, United Kingdom

Directions

Below the normal range

Water level

0.50m Down 0.02 m over the last 24 hours

0.0 0.5 1.0 Highest onrecord 1.04 m Lowest on record 0.08 m

History

0.40.50.60.7mOct 13Oct 14Oct 16Oct 18Oct 20Top of normal rangeBottom of normal range0.40.50.60.7mOct 13Oct 16Oct 20Top of normal rangeBottom of normal range
0.40.6mSep 20Sep 27Oct 5Oct 12Oct 20Top of normal rangeBottom of normal range0.40.6mSep 20Oct 5Oct 20Top of normal rangeBottom of normal range
Water level Top of normal rangeBottom of normal range

What this means

The River Thet at Thetford Coffee Mill Sluice is running below normal at 0.50 m.

The usual range here runs from 0.59 m to 0.71 m.

It has dropped 0.02 m over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. In the last month it has stayed between 0.32 m and 0.59 m.

Autumn rain usually starts to lift rivers again after the summer low.

Compared with the normal range the agency publishes for this gauge. How to read levels

Key numbers

Normal range
0.59 m – 0.71 m
Lowest and highest in 30 days
0.32 m – 0.59 m
Lowest and highest in 12 months
0.38 m – 0.57 m
Highest on record
1.04 mJanuary 10, 2007
Lowest on record
0.08 mJuly 27, 2006

Fishing and paddling

At low levels, many rivers become a walk-and-paddle trip. Fish hold in deeper pools and spook easily.

Flood alerts and warnings come from the Environment Agency.

About the River Thet

River Thet

The River Thet is a river in Norfolk, England and is a tributary of the River Little Ouse. It rises in the Breckland with sources in Deopham Green and Rockland All Saints and joins the Little Ouse in Thetford after flowing approximately southwest.

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: 8.6 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 13° 11° 2.1 mm, 73% Wind 19 km/h
21 Wed 14° 7° 5.0 mm, 61% Wind 37 km/h
22 Thu 12° 6° 0.9 mm, 49% Wind 18 km/h
23 Fri 12° 8° 18 mm, 88% Wind 32 km/h
24 Sat 11° 8° 7.2 mm, 76% Wind 29 km/h
25 Sun 16° 8° 4.9 mm, 61% Wind 24 km/h
26 Mon 17° 10° 3.4 mm, 33% Wind 26 km/h

Forecast: Open-Meteo

Sunrise 07:31 AM Sunset 05:54 PM Daylight 10 hr, 22 min First quarter 65%

Map

Other gauges on the River Thet

Gauge Level Compared with normal 24 hours Distance
MelfordRiver gauge, River Thet 0.05 m Lowest on record −0.04 m 1.9 km
BridghamRiver gauge, River Thet 0.07 m Very low ±0 9.9 km
RedbridgeRiver gauge, River Thet 0.10 m Normal +0.03 m 16 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Abbey HeathRiver gauge, River Little Ouse 0.06 m Very low −0.03 m 1.5 km
KnettishallRiver gauge, River Little Ouse 0.12 m Normal +0.02 m 9.7 km
Little OuseRiver gauge, River Little Ouse 1.60 m Low +0.01 m 13 km
TempleRiver gauge, River Lark 0.22 m Low +0.02 m 15 km
Fornham St MartinRiver gauge, River Lark 0.03 m Low −0.04 m 16 km
Barton Mills SluiceRiver gauge, River Lark 0.11 m Very low +0.02 m 16 km
QuidenhamRiver gauge, River Whittle 0.07 m Normal ±0 17 km

Questions and answers

What is the typical range for the River Thet at Thetford Coffee Mill Sluice?

The Environment Agency gives a typical range of 0.59 m to 0.71 m for this gauge.

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 0.50 m on the gauge does not mean the water is that deep.

What is the water level of Thetford Coffee Mill Sluice today?

On 20 Oct 2026, 02:00 BST, the water level was 0.50 m. Down 0.02 m over the last 24 hours.

Is Thetford Coffee Mill Sluice rising or falling?

Down 0.02 m over the last 24 hours. Up 0.11 m over the last 7 days.

Is the level of Thetford Coffee Mill Sluice normal?

Below the normal range. Compared with the normal range the agency publishes for this gauge.

What is the highest water level ever recorded at Thetford Coffee Mill Sluice?

The highest level on record is 1.04 m on January 10, 2007. The lowest is 0.08 m on July 27, 2006.

How often is this data updated?

The Environment Agency publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:E24319 (Agency page)
Coordinates
52.41559, 0.73427 (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 0.50 m 2026-10-20 01:00 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: Thetford Coffee Mill Sluice (ea:E24319). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/norfolk/thetford-coffee-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