River Hiz A507 Road Bridge Arlsey

Where and when

Last sampled

21 Sep 2026, 11:5817 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)

Samples banked

4 since 4 Jun 2026 Imported periods: 1 Oct 2023 – 8 Oct 2026. Samples outside them are not shown here.

Latest sample

River / running surface water Environmental monitoring statutory (EU directives) · results completed 25 Sep 2026

Where

National Grid 519000, 237800As published, to the nearest 100 m (so up to about 70 m out). Open in a map

River, by its own name

Hiz

River, by the map

River HizPlaced on the river its name gives, 17 m from the line.

Next gauge downstream

Biggleswade On the River Ivel · 8.5 km along the riverBeside Arlesey, ARLESEY GS: too close to say above or below.

Why it was sampled

Environmental monitoring statutory (EU directives) (4 samples)

Results here were completed a median of 14 days after the sample was taken (3 to 27 days, 4 samples).

Main measurements, river water

Everything measured here

12 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.