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Marstow Mill water level

River gauge, Garren Brook, Herefordshire, United Kingdom

Directions

Right now

Below the normal range

Water level

0.45m Steady over the last 24 hours

0.5 1.0 1.5 Highest onrecord 1.44 m

History

History
0.440.450.46mOct 11Oct 13Oct 14Oct 16Oct 18Bottom of normal range0.440.450.46mOct 11Oct 14Oct 18Bottom of normal range
0.440.46mSep 18Sep 25Oct 3Oct 10Oct 18Bottom of normal range0.440.46mSep 18Oct 3Oct 18Bottom of normal range
Water level Top of normal rangeBottom of normal range

What this means

Garren Brook at Marstow Mill is running below normal at 0.45 m.

The usual range here runs from 0.46 m to 1.13 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 0.43 m and 0.48 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
0.46 m – 1.13 m
Lowest and highest in 30 days
0.43 m – 0.48 m
Lowest and highest in 12 months
0.43 m – 0.47 m
Highest on record
1.44 mFebruary 16, 2020

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

The forecast is not available right now.

Sunrise 07:40 AM Sunset 06:12 PM Daylight 10 hr, 32 min First quarter 47%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
LydbrookRiver gauge, River Wye 1.17 m Normal +0.13 m 4.6 km
Ross On WyeRiver gauge, River Wye 0.21 m Low −0.05 m 6.1 km
Sandford BridgeRiver gauge, Rudhall Brook 0.09 m Very low +0.01 m 10 km
ParkendRiver gauge, River Lyd 0.04 m Very low −0.01 m 13 km
LydneyRiver gauge, River Lyd 0.15 m Very low −0.01 m 17 km
MordifordRiver gauge, River Wye 0.52 m Normal −0.05 m 17 km
SharpnessRiver gauge, River Severn 0.57 m Lowest on record −0.01 m 20 km
Ewyas HaroldRiver gauge, Dulas Brook 0.03 m Lowest on record ±0 20 km

Questions and answers

What is the typical range for Garren Brook at Marstow Mill?

The Environment Agency gives a typical range of 0.46 m to 1.13 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 0.45 m on the gauge does not mean the water is that deep.

What is the water level of Marstow Mill today?

On 18 Oct 2026, 07:45 BST, the water level was 0.45 m. Steady over the last 24 hours.

Is Marstow Mill rising or falling?

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

Is the level of Marstow 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 Marstow Mill?

The highest level on record is 1.44 m on February 16, 2020.

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:055036 (Agency page)
Coordinates
51.87092, -2.64023 (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 0.45 m 2026-10-18 06:45 Provisional

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How to cite

Environment Agency: Marstow Mill (ea:055036). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/herefordshire/marstow-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.