Wey at Brooklands gauging station

EA name: WEY AT BROOKLANDS GS
Environment Agency sampling point TH-RTN0024 · Freshwater - rivers · listed as open (“open” does not mean it is sampled now)

These are samples taken on a date, not live readings of the river. Results reach the Environment Agency's archive days to months after the sample is taken, so the newest here may be weeks or months old. FloodRadar does not grade them.

Where and when

Last sampled
11 Feb 2026, 13:568 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 9 Oct 2026 and had nothing newer.
Samples banked
10 since 6 Nov 2023 Imported periods: 1 Oct 2023 – 9 Oct 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Monitoring (national agency policy)
Where
National Grid 506915, 161927As published, to the nearest 1 m. Open in a map
River, by its own name
Wey
River, by the map
River WeyPlaced on the river its name gives, 6 m from the line.
Next gauge downstream
Weybridge On the River Wey · 3.7 km along the river
Nearest gauge upstream
Brooklands On the River Wey · 0.1 km along the river
Why it was sampled
Monitoring (national agency policy) (10 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

93.2%

Sampled 11 Feb 2026, 8 months ago · 10 results banked

8090100110120%2024202520266 Nov 2023, 13:13: 83.9%30 Jan 2024, 11:32: 95.6%2 May 2024, 12:55: 90%3 Jul 2024, 13:07: 93.6%31 Oct 2024, 10:07: 91.5%7 Jan 2025, 15:01: 86.4%10 Apr 2025, 14:18: 110.3%28 Jul 2025, 14:13: 98.2%24 Oct 2025, 14:47: 92.1%11 Feb 2026, 13:56: 93.2%
Every result (10)
SampledResult as publishedReads as
11 Feb 2026, 13:5693.2 93.2%
24 Oct 2025, 14:4792.1 92.1%
28 Jul 2025, 14:1398.2 98.2%
10 Apr 2025, 14:18110.3 110.3%
7 Jan 2025, 15:0186.4 86.4%
31 Oct 2024, 10:0791.5 91.5%
3 Jul 2024, 13:0793.6 93.6%
2 May 2024, 12:5590 90%
30 Jan 2024, 11:3295.6 95.6%
6 Nov 2023, 13:1383.9 83.9%

Dissolved oxygen

as O2 · code 9924 · mg/l

10.7 mg/l

Sampled 11 Feb 2026, 8 months ago · 10 results banked

9101112mg/l2024202520266 Nov 2023, 13:13: 9.43 mg/l30 Jan 2024, 11:32: 11.3 mg/l2 May 2024, 12:55: 9.46 mg/l3 Jul 2024, 13:07: 9.08 mg/l31 Oct 2024, 10:07: 9.77 mg/l7 Jan 2025, 15:01: 10.9 mg/l10 Apr 2025, 14:18: 11.7 mg/l28 Jul 2025, 14:13: 9.09 mg/l24 Oct 2025, 14:47: 9.97 mg/l11 Feb 2026, 13:56: 10.7 mg/l
Every result (10)
SampledResult as publishedReads as
11 Feb 2026, 13:5610.7 10.7 mg/l
24 Oct 2025, 14:479.97 9.97 mg/l
28 Jul 2025, 14:139.09 9.09 mg/l
10 Apr 2025, 14:1811.7 11.7 mg/l
7 Jan 2025, 15:0110.9 10.9 mg/l
31 Oct 2024, 10:079.77 9.77 mg/l
3 Jul 2024, 13:079.08 9.08 mg/l
2 May 2024, 12:559.46 9.46 mg/l
30 Jan 2024, 11:3211.3 11.3 mg/l
6 Nov 2023, 13:139.43 9.43 mg/l

Water temperature

code 0076 · °C

9.4 °C

Sampled 11 Feb 2026, 8 months ago · 10 results banked

5101520°C2024202520266 Nov 2023, 13:13: 10.1 °C30 Jan 2024, 11:32: 8.1 °C2 May 2024, 12:55: 13 °C3 Jul 2024, 13:07: 16.7 °C31 Oct 2024, 10:07: 12.3 °C7 Jan 2025, 15:01: 5.4 °C10 Apr 2025, 14:18: 12.6 °C28 Jul 2025, 14:13: 19 °C24 Oct 2025, 14:47: 11.7 °C11 Feb 2026, 13:56: 9.4 °C
Every result (10)
SampledResult as publishedReads as
11 Feb 2026, 13:569.4 9.4 °C
24 Oct 2025, 14:4711.7 11.7 °C
28 Jul 2025, 14:1319 19 °C
10 Apr 2025, 14:1812.6 12.6 °C
7 Jan 2025, 15:015.4 5.4 °C
31 Oct 2024, 10:0712.3 12.3 °C
3 Jul 2024, 13:0716.7 16.7 °C
2 May 2024, 12:5513 13 °C
30 Jan 2024, 11:328.1 8.1 °C
6 Nov 2023, 13:1310.1 10.1 °C

pH

code 0061

7.45

Sampled 11 Feb 2026, 8 months ago · 10 results banked

7.257.57.7588.258.52024202520266 Nov 2023, 13:13: 7.3330 Jan 2024, 11:32: 7.942 May 2024, 12:55: 7.753 Jul 2024, 13:07: 7.9331 Oct 2024, 10:07: 7.677 Jan 2025, 15:01: 7.4110 Apr 2025, 14:18: 8.2728 Jul 2025, 14:13: 7.8824 Oct 2025, 14:47: 7.5711 Feb 2026, 13:56: 7.45
Every result (10)
SampledResult as publishedReads as
11 Feb 2026, 13:567.45 7.45
24 Oct 2025, 14:477.57 7.57
28 Jul 2025, 14:137.88 7.88
10 Apr 2025, 14:188.27 8.27
7 Jan 2025, 15:017.41 7.41
31 Oct 2024, 10:077.67 7.67
3 Jul 2024, 13:077.93 7.93
2 May 2024, 12:557.75 7.75
30 Jan 2024, 11:327.94 7.94
6 Nov 2023, 13:137.33 7.33

Conductivity

at 25 °C · code 0077 · µS/cm

383 µS/cm

Sampled 11 Feb 2026, 8 months ago · 10 results banked

200300400500600µS/cm2024202520266 Nov 2023, 13:13: 300 µS/cm30 Jan 2024, 11:32: 550 µS/cm2 May 2024, 12:55: 443 µS/cm3 Jul 2024, 13:07: 523 µS/cm31 Oct 2024, 10:07: 475 µS/cm7 Jan 2025, 15:01: 268 µS/cm10 Apr 2025, 14:18: 499 µS/cm28 Jul 2025, 14:13: 509 µS/cm24 Oct 2025, 14:47: 432 µS/cm11 Feb 2026, 13:56: 383 µS/cm
Every result (10)
SampledResult as publishedReads as
11 Feb 2026, 13:56383 383 µS/cm
24 Oct 2025, 14:47432 432 µS/cm
28 Jul 2025, 14:13509 509 µS/cm
10 Apr 2025, 14:18499 499 µS/cm
7 Jan 2025, 15:01268 268 µS/cm
31 Oct 2024, 10:07475 475 µS/cm
3 Jul 2024, 13:07523 523 µS/cm
2 May 2024, 12:55443 443 µS/cm
30 Jan 2024, 11:32550 550 µS/cm
6 Nov 2023, 13:13300 300 µS/cm

Everything measured here

5 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.

Show all 5 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 10 Nov 2023 – Feb 2026 93.2% 11 Feb 2026
Oxygen, Dissolved as O2 9924 River water 10 Nov 2023 – Feb 2026 10.7 mg/l 11 Feb 2026
Temperature of Water 0076 River water 10 Nov 2023 – Feb 2026 9.4 °C 11 Feb 2026
pH 0061 River water 10 Nov 2023 – Feb 2026 7.45 11 Feb 2026
Conductivity at 25 C 0077 River water 10 Nov 2023 – Feb 2026 383 µS/cm 11 Feb 2026

FloodRadar does not grade these results: there is no overall score, and official river classifications are a separate dataset. A sample taken downstream of an overflow does not by itself show where anything in it came from. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels.

Water samples: Environment Agency Water Quality Archive, © Environment Agency and/or database right 2026, Open Government Licence v3.0.

Contains OS data © Crown copyright and database rights 2026.