Hampshire Avon at Alderbury

Where and when

Last sampled

4 Aug 2025, 10:5215 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 28 Oct 2026 and had nothing newer.

Samples banked

4 since 5 Oct 2023 Imported periods: 1 Oct 2023 – 28 Oct 2026. Samples outside them are not shown here.

Latest sample

River / running surface water Monitoring (national agency policy)

Where

National Grid 417446, 127290As published, to the nearest 1 m. Open in a map

River, by its own name

Hampshire Avon

River, by the map

River AvonPlaced on a river whose name partly matches its own, 9 m from the line.

Next gauge downstream

Downton Iron Bridge On the River Avon · 7.2 km along the river

Nearest gauge upstream

Salisbury Bourne On the River Bourne · 3.5 km along the riverSalisbury Harnham Bridge On the River Avon · 4.1 km along the river

Why it was sampled

Monitoring (national agency policy) (4 samples)

Main measurements, river water

Everything measured here

13 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.