Knapp Mill water level

Name: Knapp Mill water level (Environment Agency)
Creator: Environment Agency
License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

River gauge, River Avon, Dorset, United Kingdom

Directions

Below the normal range

Water level

0.33m Up 0.02 m over the last 24 hours

Measured 17 Oct 2026, 19:30 BST (26 min ago)

History

7 days

Water level Top of normal rangeBottom of normal range

What this means

The River Avon at Knapp Mill is running below normal at 0.33 m.

The usual range here runs from 0.33 m to 0.64 m.

It has risen 0.02 m over the past 24 hours. In the last month it has stayed between 0.29 m and 0.33 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: 0.33 m – 0.64 m
Highest on record: 0.84 mJanuary 16, 2023
Lowest on record: 0.03 mSeptember 3, 1996

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 Avon

The River Avon is a river in the southwest of England. To distinguish it from a number of other rivers of the same name, it is often called the Bristol Avon. The name 'Avon' is from an ancestor of the Welsh word afon, meaning 'river'.

Weather at the gauge

Rain in the last 3 days: 4.1 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 14° 6° 0.1 mm Wind 17 km/h

18 Sun 14° 7° 0.4 mm, 25% Wind 19 km/h

19 Mon 14° 9° 0.1 mm, 69% Wind 17 km/h

20 Tue 14° 9° 5.7 mm, 64% Wind 16 km/h

21 Wed 16° 8° 2.3 mm, 75% Wind 25 km/h

22 Thu 14° 6° 16 mm, 83% Wind 22 km/h

23 Fri 14° 9° 27 mm, 86% Wind 41 km/h

Forecast: Open-Meteo

Sunrise 07:33 AM Sunset 06:13 PM Daylight 10 hr, 39 min First quarter 42%

Map

Other gauges on the River Avon

Gauge	Level	Compared with normal	24 hours	Distance
East Mills FlumeRiver gauge, River Avon	0.59 m	Very low	−0.01 m	20 km
Downton Iron BridgeRiver gauge, River Avon	0.04 m	Normal	±0	27 km
Salisbury Harnham BridgeRiver gauge, River Avon	0.28 m	Low	±0	35 km
Salisbury Ashley RoadRiver gauge, River Avon	0.15 m	Normal	±0	37 km
AmesburyRiver gauge, River Avon	0.14 m	Very low	±0	47 km
Upavon EastRiver gauge, River Avon	0.19 m	Low	±0	62 km
Upavon WestRiver gauge, River Avon	0.05 m	Very low	±0	62 km
PewseyRiver gauge, River Avon	0.06 m	Normal	±0	66 km
Bradford on AvonRiver gauge, River Avon	1.04 m	Normal	±0	74 km
CorshamRiver gauge, River Avon	0.02 m	Very low	±0	81 km
BathfordRiver gauge, River Avon	0.74 m	Normal	+0.01 m	82 km
Bath Destructor BridgeRiver gauge, River Avon	3.42 m	Normal	+0.01 m	82 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Iford BridgeRiver gauge, River Stour	0.23 m	Normal	+0.38 m	2.0 km
Hurn CourtRiver gauge, Moors River	0.22 m	Low	±0	3.9 km
ThroopRiver gauge, River Stour	0.32 m	Low	−0.01 m	4.7 km
Chewton GlenRiver gauge, Walkford Brook	0.11 m	Normal	±0	6.8 km
Ferndown Tricketts CrossRiver gauge, Uddens Water	0.35 m	Normal	−0.03 m	9.7 km
Ringwood Old CottageRiver gauge, Bickerly Mill Stream	0.13 m	Normal	±0	11 km
Milford Gate RlRiver gauge	6.84 m	Very low	−0.01 m	11 km
New Valley RoadRiver gauge, Danes Stream	−0.01 m	Lowest on record	−0.02 m	13 km

Questions and answers

What is the typical range for the River Avon at Knapp Mill?

The Environment Agency gives a typical range of 0.33 m to 0.64 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 0.33 m on the gauge does not mean the water is that deep.

What is the water level of Knapp Mill today?

On 17 Oct 2026, 19:30 BST, the water level was 0.33 m. Up 0.02 m over the last 24 hours.

Is Knapp Mill rising or falling?

Up 0.02 m over the last 24 hours.

Is the level of Knapp Mill 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 Knapp Mill?

The highest level on record is 0.84 m on January 16, 2023. The lowest is 0.03 m on September 3, 1996.

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:43118 (Agency page)
Coordinates: 50.74809, -1.78001 (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	0.33 m	2026-10-17 18:30	Provisional

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How to cite

Environment Agency: Knapp Mill (ea:43118). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/dorset/knapp-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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer