Hartley Burn at Byers Hall

Where and when

Last sampled

11 Sep 2026, 13:4020 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)

Samples banked

4 since 16 Oct 2023 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.

Latest sample

River / running surface water Unplanned reactive monitoring (pollution incidents)

Where

National Grid 365274, 559795As published, to the nearest 1 m. Open in a map

River, by its own name

Hartley Burn

River, by the map

Hartley BurnPlaced on the river its name gives, 5 m from the line.

Next gauge downstream

Featherstone On the River South Tyne · 3.1 km along the river

Why it was sampled

Monitoring (national agency policy) (3 samples)
Unplanned reactive monitoring (pollution incidents) (1 samples)

Main measurements, river water

Everything measured here

16 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.