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Mexborough Dearne Mouth water level

River gauge, Dearne Washlands, South Yorkshire, United Kingdom

Directions

Right now

High for mid-October

Surface elevation

9.92m Up 0.01 m over the last 24 hours

10 13 Highest onrecord 13.92 m Lowest on record 9.78 m

History

History
9.809.859.909.95mOct 13Oct 15Oct 16Oct 18Oct 20Bottom of normal range9.809.859.909.95mOct 13Oct 16Oct 20Bottom of normal range
9.89.9mSep 20Sep 27Oct 5Oct 12Oct 20Bottom of normal range9.89.9mSep 20Oct 5Oct 20Bottom of normal range
9.810.010.310.5mApr 2026May 2026Jul 2026Aug 2026Oct 2026Top of normal rangeBottom of normal range9.810.010.310.5mApr 2026Jul 2026Oct 2026Top of normal rangeBottom of normal range
Surface elevation Normal range (10–90 %) Top of normal rangeBottom of normal range

What this means

The gauge at Mexborough Dearne Mouth shows 9.92 m, above normal for mid-October.

The median for mid-October is 9.88 m, based on 18 years of readings, so the river level is 0.03 m above typical.

The water is rising: up 0.01 m over the past 24 hours. If the rise continues, low-lying paths and riverside parking can go under water. Over the past 30 days it has moved between 9.82 m and 9.92 m.

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

Compared with 18 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
9.88 m0.03 m above the median for this date
Normal for this date
9.84 m – 9.95 m8 years in 10 fall in this range (18 years of records)
Normal range
9.81 m – 10.50 m
Lowest and highest in 30 days
9.82 m – 9.92 m
Lowest and highest in 12 months
9.76 m – 10.04 m
Highest on record
13.92 mNovember 9, 2019
Lowest on record
9.78 mAugust 10, 2018

On the river at Mexborough Dearne Mouth

High, coloured water is hard work for anglers and risky for canoeists, with stronger currents and debris around bridges and weirs.

Flood warnings for the area come from the Environment Agency.

Weather at the gauge

Rain in the last 3 days: 8.1 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 12° 11° 3.5 mm, 100% Wind 17 km/h
21 Wed 11° 8° 14 mm, 51% Wind 33 km/h
22 Thu 11° 5° 0.2 mm, 48% Wind 16 km/h
23 Fri 13° 8° 15 mm, 85% Wind 28 km/h
24 Sat 11° 8° 1.8 mm, 80% Wind 26 km/h
25 Sun 15° 10° 1.8 mm, 72% Wind 25 km/h
26 Mon 18° 9° 3.3 mm, 44% Wind 24 km/h

Forecast: Open-Meteo

Sunrise 07:41 AM Sunset 06:00 PM Daylight 10 hr, 18 min First quarter 66%

Map

Other gauges on the Dearne Washlands

Gauge Level Compared with normal 24 hours Distance
Mexborough Pasture Road Pumping StationRiver gauge, Dearne Washlands 1.40 m Normal −0.25 m 0.6 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Mexborough LockRiver gauge, River Don 0.68 m Low +0.05 m 0.5 km
ConisbroughRiver gauge, Kearsley Brook 0.06 m Normal −0.01 m 2.4 km
AdwickRiver gauge, River Dearne 0.28 m Normal +0.02 m 2.9 km
SprotbroughRiver gauge, River Don 0.58 m Normal +0.09 m 3.7 km
Kilnhurst LowerRiver gauge, River Don 0.65 m Normal −0.27 m 4.5 km
Bolton BridgeRiver gauge, River Dearne 0.40 m Normal +0.01 m 4.8 km
Wath upon DearneRiver gauge, Brook Dike 0.10 m Very low −0.01 m 6.6 km
DoncasterRiver gauge, River Don 0.42 m Normal +0.18 m 7.5 km

Questions and answers

What is a normal level for the Dearne Washlands at Mexborough Dearne Mouth in mid-October?

The median for mid-October is 9.88 m. In 8 years out of 10 the reading falls between 9.84 m and 9.95 m, based on 18 years of records.

Is Mexborough Dearne Mouth really 9.92 m deep?

No. 9.92 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 Mexborough Dearne Mouth today?

On 20 Oct 2026, 07:15 BST, the surface elevation was 9.92 m. Up 0.01 m over the last 24 hours.

Is Mexborough Dearne Mouth rising or falling?

Up 0.01 m over the last 24 hours. Up 0.01 m over the last 7 days.

Is the level of Mexborough Dearne Mouth normal?

High for mid-October. Compared with 18 years of daily readings for this time of year.

What is the highest water level ever recorded at Mexborough Dearne Mouth?

The highest level on record is 13.92 m on November 9, 2019. The lowest is 9.78 m on August 10, 2018.

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:L0800 (Agency page)
Coordinates
53.49951, -1.24377 (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 9.92 m 2026-10-20 06:15 Provisional

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How to cite

Environment Agency: Mexborough Dearne Mouth (ea:L0800). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/south-yorkshire/mexborough-dearne-mouth

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.