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Mexborough Lock water level

River gauge, River Don, South Yorkshire, United Kingdom

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Right now

Very low for mid-October

Water level

0.54m Steady over the last 24 hours

0 3 5 Highest onrecord 5.12 m Lowest on record 0.47 m

History

History
0.60.8mOct 11Oct 13Oct 15Oct 17Oct 18Bottom of normal range0.60.8mOct 11Oct 15Oct 18Bottom of normal range
0.60.8mSep 18Sep 26Oct 3Oct 11Oct 18Bottom of normal range0.60.8mSep 18Oct 3Oct 18Bottom of normal range
-02mOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Top of normal rangeBottom of normal range-02mOct 2025Apr 2026Oct 2026Top of normal rangeBottom of normal range
-012mJanMarMayJulSepNov2026-012mJanAprJulOct2026

20252026

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

What this means

Low water at Mexborough Lock: the gauge reads 0.54 m, far below normal for mid-October.

The median for mid-October is 0.73 m, based on 21 years of readings, so the river level is 0.20 m below typical. On the same day last year the reading was 0.54 m, a difference of −0.01 m. The lowest reading on record is 0.47 m (June 18, 2000).

It has barely moved over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 0.49 m – 0.75 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
0.73 m0.20 m below the median for this date
Normal for this date
0.68 m – 0.95 m8 years in 10 fall in this range (21 years of records)
Normal range
0.68 m – 3.70 m
Same day last year
0.54 m−0.01 m
Lowest and highest in 30 days
0.49 m – 0.75 m
Lowest and highest in 12 months
0.11 m – 2.08 m
Highest on record
5.12 mNovember 8, 2019
Lowest on record
0.47 mJune 18, 2000

For anglers and canoeists

Low rivers are hard going for paddlers, with exposed gravel and weirs that are awkward to shoot. Salmon and sea trout usually wait for the next spate to run.

Many angling and canoe clubs check gauges like this one before heading out.

About the River Don

River Don, Aberdeenshire

The River Don is a river in north-east Scotland. At 135 kilometres (84 mi) in length, it drains a catchment of 1,312 square kilometres (507 sq mi). It rises in the Grampians and flows eastwards, through Aberdeenshire, to the North Sea at Aberdeen. The Don passes through Alford, Kemnay, Inverurie, Kintore, and Dyce. Its main tributary, the River Ury, joins at Inverurie.

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

18 Sun 13° 7° – Wind 21 km/h
19 Mon 14° 9° 6.1 mm, 99% Wind 22 km/h
20 Tue 12° 10° 9.3 mm, 65% Wind 11 km/h
21 Wed 11° 8° 1.2 mm, 61% Wind 24 km/h
22 Thu 12° 6° 1.2 mm, 31% Wind 18 km/h
23 Fri 9° 7° 2.4 mm, 61% Wind 24 km/h
24 Sat 11° 5° – Wind 30 km/h

Forecast: Open-Meteo

Sunrise 07:38 AM Sunset 06:04 PM Daylight 10 hr, 26 min First quarter 53%

Map

Other gauges on the River Don

Gauge Level Compared with normal 24 hours Distance
SprotbroughRiver gauge, River Don 0.44 m Normal −0.02 m 3.9 km
Kilnhurst LowerRiver gauge, River Don 0.47 m Very low +0.02 m 4.2 km
DoncasterRiver gauge, River Don 0.21 m Very low −0.03 m 7.8 km
Rotherham Forge IslandRiver gauge, River Don 0.19 m Very low ±0 10 km
RotherhamRiver gauge, River Don 0.01 m Low ±0 11 km
HadfieldsRiver gauge, River Don 0.33 m Very low ±0 14 km
Kirk BramwithRiver gauge, River Don 1.37 m Low −0.11 m 16 km
Sheffield Lady's BridgeRiver gauge, River Don 0.39 m Very low ±0 19 km
Wharncliffe SideRiver gauge, River Don 0.84 m Low ±0 21 km
FishlakeRiver gauge, River Don 1.05 m Very low −0.08 m 21 km
Oxspring Bower HillRiver gauge, River Don 0.02 m Normal ±0 23 km
PenistoneRiver gauge, River Don 0.32 m Low ±0 27 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Mexborough Dearne MouthRiver gauge, Dearne Washlands 9.90 m Normal ±0 0.5 km
Mexborough Pasture Road Pumping StationRiver gauge, Dearne Washlands 1.11 m Normal −0.12 m 0.9 km
ConisbroughRiver gauge, Kearsley Brook 0.06 m Normal ±0 2.0 km
AdwickRiver gauge, River Dearne 0.21 m Low ±0 3.1 km
Bolton BridgeRiver gauge, River Dearne 0.35 m Low −0.01 m 4.9 km
Wath upon DearneRiver gauge, Brook Dike 0.09 m Very low −0.01 m 6.6 km
Manvers Old Moor LaneRiver gauge, Knoll Beck 0.33 m Lowest on record ±0 8.0 km

Questions and answers

Is the River Don at Mexborough Lock higher than last year?

No, it is 0.01 m lower than on the same day last year, when the reading was 0.54 m.

What is a normal level for the River Don at Mexborough Lock in mid-October?

The median for mid-October is 0.73 m. In 8 years out of 10 the reading falls between 0.68 m and 0.95 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 0.54 m on the gauge does not mean the water is that deep.

What is the water level of Mexborough Lock today?

On 18 Oct 2026, 21:30 BST, the water level was 0.54 m. Steady over the last 24 hours.

Is Mexborough Lock rising or falling?

Steady over the last 24 hours. Down 0.01 m over the last 7 days.

Is the level of Mexborough Lock normal?

Very low for mid-October. Compared with 21 years of daily readings for this time of year.

What is the highest water level ever recorded at Mexborough Lock?

The highest level on record is 5.12 m on November 8, 2019. The lowest is 0.47 m on June 18, 2000.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:L0705 (Agency page)
Coordinates
53.49520, -1.24477 (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 0.54 m 2026-10-18 20:30 Provisional

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How to cite

Environment Agency: Mexborough Lock (ea:L0705). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/south-yorkshire/mexborough-lock

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.