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Avon Mill water level

River gauge, Wiltshire, United Kingdom

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Right now

Very low for mid-October

Surface elevation

47.71m Steady over the last 24 hours

48.0 48.5 49.0

History

History
48.048.549.0mOct 11Oct 13Oct 14Oct 16Oct 1848.048.549.0mOct 11Oct 14Oct 18
48.048.549.0mSep 18Sep 25Oct 3Oct 10Oct 1848.048.549.0mSep 18Oct 3Oct 18
4849mOct 2025Jan 2026Apr 2026Jul 2026Oct 20264849mOct 2025Apr 2026Oct 2026
4849mJanMarMayJulSepNov20264849mJanAprJulOct2026

20252026

Surface elevation Normal range (10–90 %)

What this means

Avon Mill is running far below normal at 47.71 m.

The median for mid-October is 49.04 m, based on 16 years of readings, so the river level is 1.33 m below typical. On the same day last year the reading was 47.70 m, a difference of +0.01 m.

It has barely moved over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. In the last month it has stayed between 47.67 m and 47.82 m.

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

Compared with 16 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
49.04 m1.33 m below the median for this date
Normal for this date
48.32 m – 49.17 m8 years in 10 fall in this range (16 years of records)
Same day last year
47.70 m+0.01 m
Lowest and highest in 30 days
47.67 m – 47.82 m
Lowest and highest in 12 months
47.22 m – 49.65 m

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.

Weather at the gauge

Rain in the last 3 days: 5.5 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 12° 5° 0.5 mm, 32% Wind 25 km/h
19 Mon 14° 8° 7.5 mm, 84% Wind 16 km/h
20 Tue 12° 7° 5.1 mm, 78% Wind 9 km/h
21 Wed 14° 6° 3.9 mm, 57% Wind 29 km/h
22 Thu 14° 5° 0.8 mm, 69% Wind 17 km/h
23 Fri 9° 6° 21 mm, 82% Wind 32 km/h
24 Sat 10° 4° 1.4 mm, 54% Wind 28 km/h

Forecast: Open-Meteo

Sunrise 07:37 AM Sunset 06:11 PM Daylight 10 hr, 33 min First quarter 48%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Avon WeirRiver gauge 50.48 m Very low ±0 1.7 km
SeagryRiver gauge 53.43 m Normal +0.01 m 2.8 km
StanleyRiver gauge, River Marden 0.33 m Very low −0.02 m 4.5 km
Chippenham GateRiver gauge 43.14 m Low −0.02 m 5.6 km
Great SomerfordRiver gauge, River Avon 0.14 m Low ±0 5.8 km
DauntseyRiver gauge, Dauntsey Brook 0.03 m Very low −0.02 m 6.2 km
RodbourneRiver gauge, Gauze Brook 0.04 m Low ±0 6.7 km
CalneRiver gauge, River Marden 0.13 m Normal ±0 7.8 km

Questions and answers

Is Avon Mill higher than last year?

Yes, it is 0.01 m higher than on the same day last year, when the reading was 47.70 m.

What is a normal level for Avon Mill in mid-October?

The median for mid-October is 49.04 m. In 8 years out of 10 the reading falls between 48.32 m and 49.17 m, based on 16 years of records.

Is Avon Mill really 47.71 m deep?

No. 47.71 m is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Avon Mill today?

On 18 Oct 2026, 08:45 BST, the surface elevation was 47.71 m. Steady over the last 24 hours.

Is Avon Mill rising or falling?

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

Is the level of Avon Mill normal?

Very low for mid-October. Compared with 16 years of daily readings for this time of year.

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:531167
Coordinates
51.49668, -2.06691 (WGS84)
Vertical datum
ODN
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
Surface elevation 47.71 m 2026-10-18 07:45 Provisional

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How to cite

Environment Agency: Avon Mill (ea:531167). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/wiltshire/avon-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.