Ock above Wey
EA name: OCK ABOVE WEY
Environment Agency sampling point TH-PWER0128 · 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
- 14 Jul 2026, 11:573 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 21 since 25 Jun 2024 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Environmental monitoring statutory (EU directives)
- Where
- National Grid 496720, 143890As published, to the nearest 10 m. Open in a map
- River, by its own name
- Ock
- River, by the map
- An unnamed streamPlaced by position alone (the only river line close by), 23 m from the line.
- Next gauge downstream
- Borough Road On the River Wey · 0.3 km along the river
- Why it was sampled
- Environmental monitoring statutory (EU directives) (21 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
88.9%
Sampled 14 Jul 2026, 3 months ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 14 Jul 2026, 11:57 | 88.9 | 88.9% |
| 24 Jun 2026, 13:46 | 89.2 | 89.2% |
| 1 May 2026, 13:09 | 96 | 96% |
| 21 Apr 2026, 13:54 | 93.9 | 93.9% |
| 3 Mar 2026, 16:31 | 95.5 | 95.5% |
| 4 Feb 2026, 14:31 | 97.8 | 97.8% |
| 12 Jan 2026, 12:24 | 94.2 | 94.2% |
| 28 Nov 2025, 13:02 | 95.2 | 95.2% |
| 7 Oct 2025, 12:34 | 93.4 | 93.4% |
| 3 Apr 2025, 16:56 | 100.4 | 100.4% |
| 4 Mar 2025, 13:22 | 98.6 | 98.6% |
| 7 Feb 2025, 14:24 | 94.9 | 94.9% |
| 10 Jan 2025, 14:03 | 97.1 | 97.1% |
| 2 Dec 2024, 12:52 | 95.1 | 95.1% |
| 11 Nov 2024, 11:16 | 92.1 | 92.1% |
| 3 Oct 2024, 12:31 | 94.4 | 94.4% |
| 10 Sep 2024, 13:29 | 92.7 | 92.7% |
| 22 Aug 2024, 10:32 | 88.7 | 88.7% |
| 11 Jul 2024, 11:08 | 91.9 | 91.9% |
| 25 Jun 2024, 13:49 | 89.4 | 89.4% |
Dissolved oxygen
as O2 · code 9924 · mg/l
8.28 mg/l
Sampled 14 Jul 2026, 3 months ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 14 Jul 2026, 11:57 | 8.28 | 8.28 mg/l |
| 24 Jun 2026, 13:46 | 7.71 | 7.71 mg/l |
| 1 May 2026, 13:09 | 9.66 | 9.66 mg/l |
| 21 Apr 2026, 13:54 | 10.2 | 10.2 mg/l |
| 3 Mar 2026, 16:31 | 10.5 | 10.5 mg/l |
| 4 Feb 2026, 14:31 | 11.6 | 11.6 mg/l |
| 12 Jan 2026, 12:24 | 11.3 | 11.3 mg/l |
| 28 Nov 2025, 13:02 | 11 | 11 mg/l |
| 7 Oct 2025, 12:34 | 9.91 | 9.91 mg/l |
| 3 Apr 2025, 16:56 | 10.4 | 10.4 mg/l |
| 4 Mar 2025, 13:22 | 12 | 12 mg/l |
| 7 Feb 2025, 14:24 | 12.1 | 12.1 mg/l |
| 10 Jan 2025, 14:03 | 12.8 | 12.8 mg/l |
| 2 Dec 2024, 12:52 | 10.9 | 10.9 mg/l |
| 11 Nov 2024, 11:16 | 10.3 | 10.3 mg/l |
| 3 Oct 2024, 12:31 | 10.1 | 10.1 mg/l |
| 10 Sep 2024, 13:29 | 9.43 | 9.43 mg/l |
| 22 Aug 2024, 10:32 | 8.86 | 8.86 mg/l |
| 11 Jul 2024, 11:08 | 9.12 | 9.12 mg/l |
| 25 Jun 2024, 13:49 | 8.6 | 8.6 mg/l |
Water temperature
code 0076 · °C
18.7 °C
Sampled 14 Jul 2026, 3 months ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 14 Jul 2026, 11:57 | 18.7 | 18.7 °C |
| 24 Jun 2026, 13:46 | 22.5 | 22.5 °C |
| 1 May 2026, 13:09 | 15 | 15 °C |
| 21 Apr 2026, 13:54 | 11.7 | 11.7 °C |
| 3 Mar 2026, 16:31 | 11.1 | 11.1 °C |
| 4 Feb 2026, 14:31 | 8 | 8 °C |
| 12 Jan 2026, 12:24 | 7.5 | 7.5 °C |
| 28 Nov 2025, 13:02 | 8.9 | 8.9 °C |
| 7 Oct 2025, 12:34 | 12.6 | 12.6 °C |
| 3 Apr 2025, 16:56 | 13.6 | 13.6 °C |
| 4 Mar 2025, 13:22 | 6.7 | 6.7 °C |
| 7 Feb 2025, 14:24 | 5 | 5 °C |
| 10 Jan 2025, 14:03 | 3.6 | 3.6 °C |
| 2 Dec 2024, 12:52 | 9.1 | 9.1 °C |
| 11 Nov 2024, 11:16 | 10.2 | 10.2 °C |
| 3 Oct 2024, 12:31 | 12.4 | 12.4 °C |
| 10 Sep 2024, 13:29 | 14.5 | 14.5 °C |
| 22 Aug 2024, 10:32 | 15.3 | 15.3 °C |
| 11 Jul 2024, 11:08 | 15.6 | 15.6 °C |
| 25 Jun 2024, 13:49 | 17.1 | 17.1 °C |
pH
code 0061
8.3
Sampled 14 Jul 2026, 3 months ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 14 Jul 2026, 11:57 | 8.3 | 8.3 |
| 24 Jun 2026, 13:46 | 7.83 | 7.83 |
| 1 May 2026, 13:09 | 7.95 | 7.95 |
| 21 Apr 2026, 13:54 | 7.92 | 7.92 |
| 3 Mar 2026, 16:31 | 7.99 | 7.99 |
| 4 Feb 2026, 14:31 | 7.84 | 7.84 |
| 12 Jan 2026, 12:24 | 7.73 | 7.73 |
| 28 Nov 2025, 13:02 | 7.77 | 7.77 |
| 7 Oct 2025, 12:34 | 7.81 | 7.81 |
| 3 Apr 2025, 16:56 | 7.99 | 7.99 |
| 4 Mar 2025, 13:22 | 8.04 | 8.04 |
| 7 Feb 2025, 14:24 | 7.88 | 7.88 |
| 10 Jan 2025, 14:03 | 7.89 | 7.89 |
| 2 Dec 2024, 12:52 | 7.89 | 7.89 |
| 11 Nov 2024, 11:16 | 7.8 | 7.8 |
| 3 Oct 2024, 12:31 | 7.87 | 7.87 |
| 10 Sep 2024, 13:29 | 7.9 | 7.9 |
| 22 Aug 2024, 10:32 | 7.88 | 7.88 |
| 11 Jul 2024, 11:08 | 9.15 | 9.15 |
| 25 Jun 2024, 13:49 | 7.82 | 7.82 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.03 mg/l (not detected above this)
Sampled 14 Jul 2026, 3 months ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 14 Jul 2026, 11:57 | <0.03 | below 0.03 mg/l (not detected above this) |
| 24 Jun 2026, 13:46 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 May 2026, 13:09 | <0.03 | below 0.03 mg/l (not detected above this) |
| 21 Apr 2026, 13:54 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Mar 2026, 16:31 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Feb 2026, 14:31 | <0.03 | below 0.03 mg/l (not detected above this) |
| 12 Jan 2026, 12:24 | 0.036 | 0.036 mg/l |
| 15 Dec 2025, 13:06 | 0.032 | 0.032 mg/l |
| 28 Nov 2025, 13:02 | 0.034 | 0.034 mg/l |
| 7 Oct 2025, 12:34 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Mar 2025, 13:22 | <0.03 | below 0.03 mg/l (not detected above this) |
| 7 Feb 2025, 14:24 | 0.045 | 0.045 mg/l |
| 10 Jan 2025, 14:03 | 0.036 | 0.036 mg/l |
| 2 Dec 2024, 12:52 | 0.04 | 0.04 mg/l |
| 11 Nov 2024, 11:16 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Oct 2024, 12:31 | 0.044 | 0.044 mg/l |
| 10 Sep 2024, 13:29 | 0.04 | 0.04 mg/l |
| 22 Aug 2024, 10:32 | 0.042 | 0.042 mg/l |
| 11 Jul 2024, 11:08 | 0.044 | 0.044 mg/l |
| 25 Jun 2024, 13:49 | 0.038 | 0.038 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
3.29 mg/l
Sampled 14 Jul 2026, 3 months ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 14 Jul 2026, 11:57 | 3.29 | 3.29 mg/l |
| 24 Jun 2026, 13:46 | 2.98 | 2.98 mg/l |
| 1 May 2026, 13:09 | 3.08 | 3.08 mg/l |
| 21 Apr 2026, 13:54 | 2.89 | 2.89 mg/l |
| 3 Mar 2026, 16:31 | 2.89 | 2.89 mg/l |
| 4 Feb 2026, 14:31 | 2.19 | 2.19 mg/l |
| 12 Jan 2026, 12:24 | 2.38 | 2.38 mg/l |
| 15 Dec 2025, 13:06 | 2.98 | 2.98 mg/l |
| 28 Nov 2025, 13:02 | 2.88 | 2.88 mg/l |
| 7 Oct 2025, 12:34 | 2.89 | 2.89 mg/l |
| 4 Mar 2025, 13:22 | 3.19 | 3.19 mg/l |
| 7 Feb 2025, 14:24 | 3.09 | 3.09 mg/l |
| 10 Jan 2025, 14:03 | 2.89 | 2.89 mg/l |
| 2 Dec 2024, 12:52 | 2.68 | 2.68 mg/l |
| 11 Nov 2024, 11:16 | 3.38 | 3.38 mg/l |
| 3 Oct 2024, 12:31 | 2.58 | 2.58 mg/l |
| 10 Sep 2024, 13:29 | 3.08 | 3.08 mg/l |
| 22 Aug 2024, 10:32 | 3.18 | 3.18 mg/l |
| 11 Jul 2024, 11:08 | 2.88 | 2.88 mg/l |
| 25 Jun 2024, 13:49 | 3.27 | 3.27 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.046 mg/l
Sampled 14 Jul 2026, 3 months ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 14 Jul 2026, 11:57 | 0.046 | 0.046 mg/l |
| 24 Jun 2026, 13:46 | 0.062 | 0.062 mg/l |
| 1 May 2026, 13:09 | 0.053 | 0.053 mg/l |
| 21 Apr 2026, 13:54 | 0.042 | 0.042 mg/l |
| 3 Mar 2026, 16:31 | 0.052 | 0.052 mg/l |
| 4 Feb 2026, 14:31 | 0.047 | 0.047 mg/l |
| 12 Jan 2026, 12:24 | 0.055 | 0.055 mg/l |
| 15 Dec 2025, 13:06 | 0.045 | 0.045 mg/l |
| 28 Nov 2025, 13:02 | 0.045 | 0.045 mg/l |
| 7 Oct 2025, 12:34 | 0.037 | 0.037 mg/l |
| 4 Mar 2025, 13:22 | 0.025 | 0.025 mg/l |
| 7 Feb 2025, 14:24 | 0.038 | 0.038 mg/l |
| 10 Jan 2025, 14:03 | 0.039 | 0.039 mg/l |
| 2 Dec 2024, 12:52 | 0.044 | 0.044 mg/l |
| 11 Nov 2024, 11:16 | 0.043 | 0.043 mg/l |
| 3 Oct 2024, 12:31 | 0.057 | 0.057 mg/l |
| 10 Sep 2024, 13:29 | 0.061 | 0.061 mg/l |
| 22 Aug 2024, 10:32 | 0.048 | 0.048 mg/l |
| 11 Jul 2024, 11:08 | 0.046 | 0.046 mg/l |
| 25 Jun 2024, 13:49 | 0.045 | 0.045 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
543 µS/cm
Sampled 14 Jul 2026, 3 months ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 14 Jul 2026, 11:57 | 543 | 543 µS/cm |
| 24 Jun 2026, 13:46 | 468 | 468 µS/cm |
| 1 May 2026, 13:09 | 462 | 462 µS/cm |
| 21 Apr 2026, 13:54 | 450 | 450 µS/cm |
| 3 Mar 2026, 16:31 | 425 | 425 µS/cm |
| 4 Feb 2026, 14:31 | 357 | 357 µS/cm |
| 12 Jan 2026, 12:24 | 472 | 472 µS/cm |
| 28 Nov 2025, 13:02 | 464 | 464 µS/cm |
| 7 Oct 2025, 12:34 | 460 | 460 µS/cm |
| 3 Apr 2025, 16:56 | 473 | 473 µS/cm |
| 4 Mar 2025, 13:22 | 414 | 414 µS/cm |
| 7 Feb 2025, 14:24 | 469 | 469 µS/cm |
| 10 Jan 2025, 14:03 | 450 | 450 µS/cm |
| 2 Dec 2024, 12:52 | 442 | 442 µS/cm |
| 11 Nov 2024, 11:16 | 471 | 471 µS/cm |
| 3 Oct 2024, 12:31 | 435 | 435 µS/cm |
| 10 Sep 2024, 13:29 | 453 | 453 µS/cm |
| 22 Aug 2024, 10:32 | 473 | 473 µS/cm |
| 11 Jul 2024, 11:08 | 448 | 448 µS/cm |
| 25 Jun 2024, 13:49 | 464 | 464 µS/cm |
Everything measured here
13 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 13 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 20 | Jun 2024 – Jul 2026 | 88.9% 14 Jul 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 20 | Jun 2024 – Jul 2026 | 8.28 mg/l 14 Jul 2026 |
| Temperature of Water 0076 | River water | 20 | Jun 2024 – Jul 2026 | 18.7 °C 14 Jul 2026 |
| pH 0061 | River water | 20 | Jun 2024 – Jul 2026 | 8.3 14 Jul 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 20 | Jun 2024 – Jul 2026 | below 0.03 mg/l 14 Jul 2026 |
| Nitrate as N 0117 | River water | 20 | Jun 2024 – Jul 2026 | 3.29 mg/l 14 Jul 2026 |
| Orthophosphate, reactive as P 0180 | River water | 20 | Jun 2024 – Jul 2026 | 0.046 mg/l 14 Jul 2026 |
| Conductivity at 25 C 0077 | River water | 20 | Jun 2024 – Jul 2026 | 543 µS/cm 14 Jul 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 20 | Jun 2024 – Jul 2026 | 170 mg/l 14 Jul 2026 |
| Ammonia un-ionised as N 0119 | River water | 19 | Jun 2024 – Jul 2026 | below 0.00103 mg/l 14 Jul 2026 |
| BOD : 5 Day ATU 0085 | River water | 20 | Jun 2024 – Jul 2026 | 1.5 mg/l 14 Jul 2026 |
| Nitrite as N 0118 | River water | 20 | Jun 2024 – Jul 2026 | 0.015 mg/l 14 Jul 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 20 | Jun 2024 – Jul 2026 | 3.3 mg/l 14 Jul 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.