Begwary Brook tributary of Ouse A1 Wyboston
EA name: BEGWARY BK.TRIB.OUSE A1 WYBOSTON
Environment Agency sampling point AN-20M11 · 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
- 1 Sep 2026, 11:1630 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 29 since 2 Oct 2023 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 516372, 256445As published, to the nearest 1 m. Open in a map
- River, by its own name
- Its name does not give one
- River, by the map
- Begwary BrookPlaced by position alone, on a line whose map name differs from its own, 0 m from the line.
- Next gauge downstream
- Eaton Socon On the River Great Ouse · 3.8 km along the river
- Why it was sampled
- Planned investigation (national agency policy) (16 samples)
Planned investigation (local monitoring) (7 samples)
Environmental monitoring statutory (EU directives) (6 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
85.4%
Sampled 1 Sep 2026, 30 days ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:16 | 85.4 | 85.4% |
| 3 Aug 2026, 12:41 | 94.8 | 94.8% |
| 10 Jul 2026, 09:48 | 75.9 | 75.9% |
| 4 Jun 2026, 11:11 | 105 | 105% |
| 21 May 2026, 11:15 | 96.4 | 96.4% |
| 20 Apr 2026, 10:33 | 98.4 | 98.4% |
| 3 Mar 2026, 09:52 | 95.5 | 95.5% |
| 10 Feb 2026, 10:00 | 93.9 | 93.9% |
| 6 Jan 2026, 11:07 | 92.7 | 92.7% |
| 4 Dec 2025, 10:25 | 88.1 | 88.1% |
| 5 Nov 2025, 09:41 | 74.6 | 74.6% |
| 6 Oct 2025, 10:02 | 77.9 | 77.9% |
| 3 Apr 2025, 13:05 | 108.6 | 108.6% |
| 3 Mar 2025, 14:07 | 99.3 | 99.3% |
| 5 Feb 2025, 10:25 | 95.6 | 95.6% |
| 3 Jan 2025, 14:25 | 95.2 | 95.2% |
| 3 Dec 2024, 09:45 | 98.8 | 98.8% |
| 1 Nov 2024, 10:10 | 96.5 | 96.5% |
| 2 Oct 2024, 09:39 | 87.9 | 87.9% |
| 3 Sep 2024, 09:53 | 74.8 | 74.8% |
| 5 Aug 2024, 11:51 | 102.8 | 102.8% |
| 1 Jul 2024, 10:11 | 91.4 | 91.4% |
| 3 Jun 2024, 16:01 | 96.4 | 96.4% |
| 7 Mar 2024, 12:11 | 93.2 | 93.2% |
| 5 Feb 2024, 11:59 | 94.2 | 94.2% |
| 3 Jan 2024, 09:50 | 90.6 | 90.6% |
| 5 Dec 2023, 09:28 | 90.8 | 90.8% |
| 1 Nov 2023, 09:49 | 89.8 | 89.8% |
| 2 Oct 2023, 10:56 | 88.6 | 88.6% |
Dissolved oxygen
as O2 · code 9924 · mg/l
8.37 mg/l
Sampled 1 Sep 2026, 30 days ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:16 | 8.37 | 8.37 mg/l |
| 3 Aug 2026, 12:41 | 8.53 | 8.53 mg/l |
| 10 Jul 2026, 09:48 | 6.74 | 6.74 mg/l |
| 4 Jun 2026, 11:11 | 10.5 | 10.5 mg/l |
| 21 May 2026, 11:15 | 9.93 | 9.93 mg/l |
| 20 Apr 2026, 10:33 | 11.1 | 11.1 mg/l |
| 3 Mar 2026, 09:52 | 11.2 | 11.2 mg/l |
| 10 Feb 2026, 10:00 | 11.3 | 11.3 mg/l |
| 6 Jan 2026, 11:07 | 12.9 | 12.9 mg/l |
| 4 Dec 2025, 10:25 | 10.6 | 10.6 mg/l |
| 5 Nov 2025, 09:41 | 7.86 | 7.86 mg/l |
| 6 Oct 2025, 10:02 | 8.4 | 8.4 mg/l |
| 3 Apr 2025, 13:05 | 12 | 12 mg/l |
| 3 Mar 2025, 14:07 | 11.8 | 11.8 mg/l |
| 5 Feb 2025, 10:25 | 12 | 12 mg/l |
| 3 Jan 2025, 14:25 | 11.9 | 11.9 mg/l |
| 3 Dec 2024, 09:45 | 11.6 | 11.6 mg/l |
| 1 Nov 2024, 10:10 | 10.5 | 10.5 mg/l |
| 2 Oct 2024, 09:39 | 9.16 | 9.16 mg/l |
| 3 Sep 2024, 09:53 | 7.18 | 7.18 mg/l |
| 5 Aug 2024, 11:51 | 9.27 | 9.27 mg/l |
| 1 Jul 2024, 10:11 | 9.31 | 9.31 mg/l |
| 3 Jun 2024, 16:01 | 9.59 | 9.59 mg/l |
| 7 Mar 2024, 12:11 | 11 | 11 mg/l |
| 5 Feb 2024, 11:59 | 10.9 | 10.9 mg/l |
| 3 Jan 2024, 09:50 | 10.7 | 10.7 mg/l |
| 5 Dec 2023, 09:28 | 11 | 11 mg/l |
| 1 Nov 2023, 09:49 | 9.66 | 9.66 mg/l |
| 2 Oct 2023, 10:56 | 8.74 | 8.74 mg/l |
Water temperature
code 0076 · °C
16.2 °C
Sampled 1 Sep 2026, 30 days ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:16 | 16.2 | 16.2 °C |
| 3 Aug 2026, 12:41 | 20.4 | 20.4 °C |
| 10 Jul 2026, 09:48 | 21.1 | 21.1 °C |
| 4 Jun 2026, 11:11 | 15.1 | 15.1 °C |
| 21 May 2026, 11:15 | 13.9 | 13.9 °C |
| 20 Apr 2026, 10:33 | 9.9 | 9.9 °C |
| 3 Mar 2026, 09:52 | 8.4 | 8.4 °C |
| 10 Feb 2026, 10:00 | 7.4 | 7.4 °C |
| 6 Jan 2026, 11:07 | 1.8 | 1.8 °C |
| 4 Dec 2025, 10:25 | 7.4 | 7.4 °C |
| 5 Nov 2025, 09:41 | 12.9 | 12.9 °C |
| 6 Oct 2025, 10:02 | 11.9 | 11.9 °C |
| 3 Apr 2025, 13:05 | 10.8 | 10.8 °C |
| 3 Mar 2025, 14:07 | 7.9 | 7.9 °C |
| 5 Feb 2025, 10:25 | 5.6 | 5.6 °C |
| 3 Jan 2025, 14:25 | 5.8 | 5.8 °C |
| 3 Dec 2024, 09:45 | 8.2 | 8.2 °C |
| 1 Nov 2024, 10:10 | 11.4 | 11.4 °C |
| 2 Oct 2024, 09:39 | 13.4 | 13.4 °C |
| 3 Sep 2024, 09:53 | 17.2 | 17.2 °C |
| 5 Aug 2024, 11:51 | 20.3 | 20.3 °C |
| 1 Jul 2024, 10:11 | 14.4 | 14.4 °C |
| 3 Jun 2024, 16:01 | 15.5 | 15.5 °C |
| 7 Mar 2024, 12:11 | 8.1 | 8.1 °C |
| 5 Feb 2024, 11:59 | 8.8 | 8.8 °C |
| 3 Jan 2024, 09:50 | 8.2 | 8.2 °C |
| 5 Dec 2023, 09:28 | 7.1 | 7.1 °C |
| 1 Nov 2023, 09:49 | 12 | 12 °C |
| 2 Oct 2023, 10:56 | 15.9 | 15.9 °C |
pH
code 0061
7.96
Sampled 1 Sep 2026, 30 days ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:16 | 7.96 | 7.96 |
| 3 Aug 2026, 12:41 | 7.73 | 7.73 |
| 10 Jul 2026, 09:48 | 7.92 | 7.92 |
| 4 Jun 2026, 11:11 | 8.03 | 8.03 |
| 21 May 2026, 11:15 | 7.92 | 7.92 |
| 20 Apr 2026, 10:33 | 7.89 | 7.89 |
| 3 Mar 2026, 09:52 | 7.89 | 7.89 |
| 10 Feb 2026, 10:00 | 7.84 | 7.84 |
| 6 Jan 2026, 11:07 | 7.86 | 7.86 |
| 4 Dec 2025, 10:25 | 8.15 | 8.15 |
| 5 Nov 2025, 09:41 | 8.01 | 8.01 |
| 6 Oct 2025, 10:02 | 8.04 | 8.04 |
| 3 Apr 2025, 13:05 | 8 | 8 |
| 3 Mar 2025, 14:07 | 8.07 | 8.07 |
| 5 Feb 2025, 10:25 | 7.98 | 7.98 |
| 3 Jan 2025, 14:25 | 8.23 | 8.23 |
| 3 Dec 2024, 09:45 | 7.91 | 7.91 |
| 1 Nov 2024, 10:10 | 8.02 | 8.02 |
| 2 Oct 2024, 09:39 | 7.76 | 7.76 |
| 3 Sep 2024, 09:53 | 7.65 | 7.65 |
| 5 Aug 2024, 11:51 | 7.97 | 7.97 |
| 1 Jul 2024, 10:11 | 7.63 | 7.63 |
| 3 Jun 2024, 16:01 | 8.03 | 8.03 |
| 7 Mar 2024, 12:11 | 7.94 | 7.94 |
| 5 Feb 2024, 11:59 | 8.01 | 8.01 |
| 3 Jan 2024, 09:50 | 7.81 | 7.81 |
| 5 Dec 2023, 09:28 | 7.86 | 7.86 |
| 1 Nov 2023, 09:49 | 7.88 | 7.88 |
| 2 Oct 2023, 10:56 | 8.07 | 8.07 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.03 mg/l (not detected above this)
Sampled 1 Sep 2026, 30 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:16 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Aug 2026, 12:41 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Jul 2026, 09:48 | 0.034 | 0.034 mg/l |
| 4 Jun 2026, 11:11 | <0.03 | below 0.03 mg/l (not detected above this) |
| 21 May 2026, 11:15 | 0.053 | 0.053 mg/l |
| 20 Apr 2026, 10:33 | 0.049 | 0.049 mg/l |
| 3 Mar 2026, 09:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Feb 2026, 10:00 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Jan 2026, 11:07 | 0.12 | 0.12 mg/l |
| 4 Dec 2025, 10:25 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Nov 2025, 09:41 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Oct 2025, 10:02 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Mar 2025, 14:07 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Feb 2025, 10:25 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Jan 2025, 14:25 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Dec 2024, 09:45 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 Nov 2024, 10:10 | 0.031 | 0.031 mg/l |
| 2 Oct 2024, 09:39 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Sep 2024, 09:53 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Aug 2024, 11:51 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 Jul 2024, 10:11 | 0.13 | 0.13 mg/l |
| 3 Jun 2024, 16:01 | 0.03 | 0.03 mg/l |
| 7 Mar 2024, 12:11 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Feb 2024, 11:59 | 0.034 | 0.034 mg/l |
| 3 Jan 2024, 09:50 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Dec 2023, 09:28 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 Nov 2023, 09:49 | <0.03 | below 0.03 mg/l (not detected above this) |
| 2 Oct 2023, 10:56 | <0.03 | below 0.03 mg/l (not detected above this) |
Nitrate
as nitrogen (N) · code 0117 · mg/l
12 mg/l
Sampled 1 Sep 2026, 30 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:16 | 12 | 12 mg/l |
| 3 Aug 2026, 12:41 | 4.98 | 4.98 mg/l |
| 10 Jul 2026, 09:48 | 12.9 | 12.9 mg/l |
| 4 Jun 2026, 11:11 | 11.9 | 11.9 mg/l |
| 21 May 2026, 11:15 | 13.9 | 13.9 mg/l |
| 20 Apr 2026, 10:33 | 16 | 16 mg/l |
| 3 Mar 2026, 09:52 | 14 | 14 mg/l |
| 10 Feb 2026, 10:00 | 18 | 18 mg/l |
| 6 Jan 2026, 11:07 | 17 | 17 mg/l |
| 4 Dec 2025, 10:25 | 13 | 13 mg/l |
| 5 Nov 2025, 09:41 | 12.9 | 12.9 mg/l |
| 6 Oct 2025, 10:02 | 13.9 | 13.9 mg/l |
| 3 Mar 2025, 14:07 | 13 | 13 mg/l |
| 5 Feb 2025, 10:25 | 14 | 14 mg/l |
| 3 Jan 2025, 14:25 | 15 | 15 mg/l |
| 3 Dec 2024, 09:45 | 14 | 14 mg/l |
| 1 Nov 2024, 10:10 | 13 | 13 mg/l |
| 2 Oct 2024, 09:39 | 15 | 15 mg/l |
| 3 Sep 2024, 09:53 | 9.53 | 9.53 mg/l |
| 5 Aug 2024, 11:51 | 5.27 | 5.27 mg/l |
| 1 Jul 2024, 10:11 | 15 | 15 mg/l |
| 3 Jun 2024, 16:01 | 15 | 15 mg/l |
| 7 Mar 2024, 12:11 | 11 | 11 mg/l |
| 5 Feb 2024, 11:59 | 16 | 16 mg/l |
| 3 Jan 2024, 09:50 | 9.99 | 9.99 mg/l |
| 5 Dec 2023, 09:28 | 17 | 17 mg/l |
| 1 Nov 2023, 09:49 | 16 | 16 mg/l |
| 2 Oct 2023, 10:56 | 15 | 15 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.025 mg/l
Sampled 1 Sep 2026, 30 days ago · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:16 | 0.025 | 0.025 mg/l |
| 3 Aug 2026, 12:41 | 0.017 | 0.017 mg/l |
| 10 Jul 2026, 09:48 | 0.025 | 0.025 mg/l |
| 4 Jun 2026, 11:11 | 0.024 | 0.024 mg/l |
| 21 May 2026, 11:15 | 0.032 | 0.032 mg/l |
| 20 Apr 2026, 10:33 | 0.048 | 0.048 mg/l |
| 3 Mar 2026, 09:52 | 0.055 | 0.055 mg/l |
| 10 Feb 2026, 10:00 | 0.038 | 0.038 mg/l |
| 6 Jan 2026, 11:07 | 0.053 | 0.053 mg/l |
| 4 Dec 2025, 10:25 | 0.048 | 0.048 mg/l |
| 5 Nov 2025, 09:41 | 0.029 | 0.029 mg/l |
| 6 Oct 2025, 10:02 | 0.012 | 0.012 mg/l |
| 3 Mar 2025, 14:07 | 0.051 | 0.051 mg/l |
| 5 Feb 2025, 10:25 | 0.055 | 0.055 mg/l |
| 3 Jan 2025, 14:25 | 0.048 | 0.048 mg/l |
| 1 Nov 2024, 10:10 | 0.09 | 0.09 mg/l |
| 2 Oct 2024, 09:39 | 0.058 | 0.058 mg/l |
| 3 Sep 2024, 09:53 | 0.14 | 0.14 mg/l |
| 5 Aug 2024, 11:51 | 0.032 | 0.032 mg/l |
| 1 Jul 2024, 10:11 | 0.11 | 0.11 mg/l |
| 3 Jun 2024, 16:01 | 0.11 | 0.11 mg/l |
| 7 Mar 2024, 12:11 | 0.066 | 0.066 mg/l |
| 5 Feb 2024, 11:59 | 0.085 | 0.085 mg/l |
| 3 Jan 2024, 09:50 | 0.066 | 0.066 mg/l |
| 5 Dec 2023, 09:28 | 0.046 | 0.046 mg/l |
| 1 Nov 2023, 09:49 | 0.066 | 0.066 mg/l |
| 2 Oct 2023, 10:56 | 0.08 | 0.08 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
793 µS/cm
Sampled 1 Sep 2026, 30 days ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:16 | 793 | 793 µS/cm |
| 3 Aug 2026, 12:41 | 657 | 657 µS/cm |
| 10 Jul 2026, 09:48 | 830 | 830 µS/cm |
| 4 Jun 2026, 11:11 | 733 | 733 µS/cm |
| 21 May 2026, 11:15 | 786 | 786 µS/cm |
| 20 Apr 2026, 10:33 | 802 | 802 µS/cm |
| 3 Mar 2026, 09:52 | 753 | 753 µS/cm |
| 10 Feb 2026, 10:00 | 747 | 747 µS/cm |
| 6 Jan 2026, 11:07 | 864 | 864 µS/cm |
| 4 Dec 2025, 10:25 | 823 | 823 µS/cm |
| 5 Nov 2025, 09:41 | 819 | 819 µS/cm |
| 6 Oct 2025, 10:02 | 811 | 811 µS/cm |
| 3 Apr 2025, 13:05 | 812 | 812 µS/cm |
| 3 Mar 2025, 14:07 | 795 | 795 µS/cm |
| 5 Feb 2025, 10:25 | 791 | 791 µS/cm |
| 3 Jan 2025, 14:25 | 742 | 742 µS/cm |
| 3 Dec 2024, 09:45 | 766 | 766 µS/cm |
| 1 Nov 2024, 10:10 | 823 | 823 µS/cm |
| 2 Oct 2024, 09:39 | 508 | 508 µS/cm |
| 3 Sep 2024, 09:53 | 607 | 607 µS/cm |
| 5 Aug 2024, 11:51 | 581 | 581 µS/cm |
| 1 Jul 2024, 10:11 | 855 | 855 µS/cm |
| 3 Jun 2024, 16:01 | 841 | 841 µS/cm |
| 7 Mar 2024, 12:11 | 782 | 782 µS/cm |
| 5 Feb 2024, 11:59 | 875 | 875 µS/cm |
| 3 Jan 2024, 09:50 | 580 | 580 µS/cm |
| 5 Dec 2023, 09:28 | 702 | 702 µS/cm |
| 1 Nov 2023, 09:49 | 827 | 827 µS/cm |
| 2 Oct 2023, 10:56 | 885 | 885 µS/cm |
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.
Show all 12 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 29 | Oct 2023 – Sep 2026 | 85.4% 1 Sep 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 29 | Oct 2023 – Sep 2026 | 8.37 mg/l 1 Sep 2026 |
| Temperature of Water 0076 | River water | 29 | Oct 2023 – Sep 2026 | 16.2 °C 1 Sep 2026 |
| pH 0061 | River water | 29 | Oct 2023 – Sep 2026 | 7.96 1 Sep 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 28 | Oct 2023 – Sep 2026 | below 0.03 mg/l 1 Sep 2026 |
| Nitrate as N 0117 | River water | 28 | Oct 2023 – Sep 2026 | 12 mg/l 1 Sep 2026 |
| Orthophosphate, reactive as P 0180 | River water | 27 | Oct 2023 – Sep 2026 | 0.025 mg/l 1 Sep 2026 |
| Conductivity at 25 C 0077 | River water | 29 | Oct 2023 – Sep 2026 | 793 µS/cm 1 Sep 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 28 | Oct 2023 – Sep 2026 | 270 mg/l 1 Sep 2026 |
| Ammonia un-ionised as N 0119 | River water | 28 | Oct 2023 – Sep 2026 | below 0.00079 mg/l 1 Sep 2026 |
| Nitrite as N 0118 | River water | 28 | Oct 2023 – Sep 2026 | 0.048 mg/l 1 Sep 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 28 | Oct 2023 – Sep 2026 | 12 mg/l 1 Sep 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.