River Onny at Horderley

Where and when

Last sampled

28 Aug 2026, 10:1241 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)

Samples banked

5 since 27 Apr 2026 Imported periods: 1 Oct 2023 – 8 Oct 2026. Samples outside them are not shown here.

Latest sample

River / running surface water Monitoring (national agency policy)

Where

National Grid 340960, 286828As published, to the nearest 1 m. Open in a map

River, by its own name

Onny

River, by the map

River OnnyPlaced on the river its name gives, 1 m from the line.

Next gauge downstream

Onibury On the River Onny · 11 km along the river

Why it was sampled

Monitoring (national agency policy) (5 samples)

Main measurements, river water

Everything measured here

29 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.