River Derwent at Matlock Bath

Where and when

Last sampled

9 Sep 2026, 11:4722 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)

Samples banked

23 since 3 Jul 2025 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 429696, 358611As published, to the nearest 1 m. Open in a map

River, by its own name

Derwent

River, by the map

River DerwentPlaced on the river its name gives, 14 m from the line.

Next gauge downstream

Derby City On the River Derwent · 31 km along the riverBeside Matlock: too close to say above or below.

Nearest gauge upstream

Chatsworth On the River Derwent · 15 km along the riverAshford in the Water On the River Wye · 26 km along the river

Why it was sampled

Monitoring (national agency policy) (12 samples)
Planned investigation (local monitoring) (9 samples)
Unplanned reactive monitoring (pollution incidents) (2 samples)

Main measurements, river water

Everything measured here

31 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.