Cherwell below Islip Weir

Where and when

Last sampled

14 Jan 2026, 10:119 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

11 since 26 Oct 2023 Imported periods: 1 Oct 2023 – 25 Oct 2026. Samples outside them are not shown here.

Latest sample

River / running surface water Monitoring (national agency policy)

Where

National Grid 452339, 213701As published, to the nearest 1 m. Open in a map

River, by its own name

Cherwell

River, by the map

River CherwellPlaced on the river its name gives, 12 m from the line.

Next gauge downstream

Kings Mill On the River Cherwell · 10 km along the riverBeside Islip: too close to say above or below.

Nearest gauge upstream

Thrupp On the River Cherwell · 7.7 km along the riverWendlebury On the Wendlebury Brook · 11 km along the riverLower Arncott On the River Ray · 12 km along the river

Why it was sampled

Monitoring (national agency policy) (11 samples)

Main measurements, river water

Everything measured here

66 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.