River Tamar at Gunnislake Gauging Station

Where and when

Last sampled

5 Nov 2025, 15:4012 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone). Not sampled since, as far as the archive shows: the Environment Agency was asked up to 25 Oct 2026 and had nothing newer.

Samples banked

3 since 6 May 2025 Imported periods: 1 Oct 2023 – 25 Oct 2026. Samples outside them are not shown here.

Latest sample

River / running surface water Planned investigation (local monitoring)

Where

National Grid 242626, 72526As published, to the nearest 1 m. Open in a map

River, by its own name

Tamar

River, by the map

River TamarPlaced on the river its name gives, 24 m from the line.

Next gauge downstream

Plymouth On the Tide · 32 km along the riverBeside Gunnislake: too close to say above or below.

Nearest gauge upstream

Bealsmill On the River Inny · 17 km along the riverGreystone Bridge On the River Tamar · 19 km along the river

Why it was sampled

Planned investigation (local monitoring) (3 samples)

Main measurements, river water

Everything measured here

28 determinands, each kept by its code, unit and sample material: results in different units or on different materials are never mixed. A “below” result is under the laboratory's detection limit, not zero.