Calder at Battyeford Bridge - Mirfield

Where and when

Last sampled

4 Aug 2026, 10:2458 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)

Samples banked

35 since 17 Oct 2023 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.

Latest sample

River / running surface water Monitoring (national agency policy)

Where

National Grid 418937, 420486As published, to the nearest 1 m. Open in a map

River, by its own name

Calder

River, by the map

River CalderPlaced on the river its name gives, 4 m from the line.

Next gauge downstream

Ledgard Bridge On the River Calder · 1.6 km along the river

Nearest gauge upstream

Heaton Lodge On the River Calder · 1.4 km along the river

Why it was sampled

Monitoring (national agency policy) (29 samples)
Environmental monitoring statutory (EU directives) (6 samples)

Main measurements, river water

Everything measured here

78 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.