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Longacre water level

Groundwater well, Berkshire, United Kingdom

Directions

Right now

Within the normal range

Surface elevation

126.47m Down 0.04 m over the last 24 hours

130 140 Highest onrecord 144.41 m Lowest on record 123.05 m

History

History
125.5126.0126.5mOct 11Oct 12Oct 14Oct 15Oct 17Bottom of normal range125.5126.0126.5mOct 11Oct 14Oct 17Bottom of normal range
126127mSep 18Sep 25Oct 2Oct 9Oct 17Bottom of normal range126127mSep 18Oct 2Oct 17Bottom of normal range
Surface elevation Top of normal rangeBottom of normal range

What this means

The gauge at Longacre reads 126.47 m, a normal level.

The usual range here runs from 125.28 m to 141.79 m.

The level is falling, down 0.04 m over the past 24 hours. Over the past 30 days it has moved between 126.47 m and 127.77 m.

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

Key numbers

Normal range
125.28 m – 141.79 m
Lowest and highest in 30 days
126.47 m – 127.77 m
Highest on record
144.41 mFebruary 11, 2014
Lowest on record
123.05 mJanuary 15, 2012

Weather at the gauge

Rain in the last 3 days: 2.3 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 11° 5° – Wind 26 km/h
19 Mon 13° 8° 8.6 mm, 91% Wind 17 km/h
20 Tue 12° 8° 8.8 mm, 78% Wind 10 km/h
21 Wed 14° 5° 4.2 mm, 55% Wind 24 km/h
22 Thu 13° 5° 0.2 mm, 68% Wind 17 km/h
23 Fri 9° 6° 30 mm, 80% Wind 34 km/h
24 Sat 9° 3° 0.5 mm, 59% Wind 28 km/h

Forecast: Open-Meteo

Sunrise 07:35 AM Sunset 06:09 PM Daylight 10 hr, 33 min First quarter 45%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
LambournRiver gauge, River Lambourn 0.79 m Very low ±0 3.9 km
Eastbury Flood Control StructureRiver gauge, River Lambourn 0.82 m Normal ±0 5.3 km
Letcombe BassettRiver gauge, Letcombe Brook 0.09 m Low ±0 5.4 km
Letcombe RegisRiver gauge, Letcombe Brook −0.17 m Lowest on record ±0 6.4 km
Water AcreGroundwater well 126.78 m Normal −0.05 m 8.5 km
WantageRiver gauge, Letcombe Brook 0.48 m Normal ±0 8.5 km
Stanford ValeRiver gauge, River Ock 0.08 m Very low ±0 10 km
Knighton SideRiver gauge, River Kennet −0.16 m Lowest on record ±0 12 km

Questions and answers

What is the typical range for Longacre?

The Environment Agency gives a typical range of 125.28 m to 141.79 m for this gauge.

Is Longacre really 126.47 m deep?

No. 126.47 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 Longacre today?

On 17 Oct 2026, 07:00 BST, the surface elevation was 126.47 m. Down 0.04 m over the last 24 hours.

Is Longacre rising or falling?

Down 0.04 m over the last 24 hours. Down 0.31 m over the last 7 days.

Is the level of Longacre normal?

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

What is the highest water level ever recorded at Longacre?

The highest level on record is 144.41 m on February 11, 2014. The lowest is 123.05 m on January 15, 2012.

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:SU38_46B (Agency page)
Coordinates
51.54333, -1.53058 (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 126.47 m 2026-10-17 06:00 Provisional

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How to cite

Environment Agency: Longacre (ea:SU38_46B). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/berkshire/longacre

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.