Sandford Brook at A415, Marcham
EA name: SANDFORD BROOK AT A415, MARCHAM
Environment Agency sampling point TH-POCR0018 · 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, 10:4430 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 33 since 5 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 446600, 196800As published, to the nearest 100 m (so up to about 70 m out). Open in a map
- River, by its own name
- Sandford Brook
- River, by the map
- Sandford BrookPlaced on the river its name gives, 31 m from the line.
- Next gauge downstream
- Abingdon On the River Ock · 2.7 km along the river
- Why it was sampled
- Environmental monitoring statutory (EU directives) (33 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
96.1%
Sampled 1 Sep 2026, 30 days ago · 33 results banked
Every result (33)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 10:44 | 96.1 | 96.1% |
| 27 Jul 2026, 12:43 | 95.4 | 95.4% |
| 16 Jun 2026, 10:28 | 92.6 | 92.6% |
| 11 May 2026, 09:51 | 96 | 96% |
| 10 Apr 2026, 12:01 | 98.8 | 98.8% |
| 6 Mar 2026, 09:51 | 93.8 | 93.8% |
| 3 Feb 2026, 09:51 | 86.7 | 86.7% |
| 8 Jan 2026, 13:02 | 97 | 97% |
| 5 Dec 2025, 15:43 | 93.8 | 93.8% |
| 6 Nov 2025, 13:10 | 82.7 | 82.7% |
| 23 Oct 2025, 15:52 | 86.1 | 86.1% |
| 8 Sep 2025, 13:59 | 95 | 95% |
| 15 Aug 2025, 08:42 | 94 | 94% |
| 30 Jul 2025, 13:42 | 96.4 | 96.4% |
| 27 Jun 2025, 10:57 | 92.8 | 92.8% |
| 2 May 2025, 08:59 | 95.3 | 95.3% |
| 9 Apr 2025, 13:33 | 105.3 | 105.3% |
| 13 Mar 2025, 10:06 | 100.1 | 100.1% |
| 7 Feb 2025, 09:22 | 97.7 | 97.7% |
| 23 Jan 2025, 13:15 | 96.6 | 96.6% |
| 2 Dec 2024, 09:50 | 88.4 | 88.4% |
| 15 Nov 2024, 13:23 | 93 | 93% |
| 15 Oct 2024, 11:16 | 96.2 | 96.2% |
| 4 Sep 2024, 12:10 | 94.9 | 94.9% |
| 5 Aug 2024, 11:00 | 95.2 | 95.2% |
| 18 Jul 2024, 11:45 | 93.6 | 93.6% |
| 13 Jun 2024, 10:41 | 97.1 | 97.1% |
| 1 Mar 2024, 09:39 | 94.6 | 94.6% |
| 2 Feb 2024, 12:35 | 96.2 | 96.2% |
| 10 Jan 2024, 12:45 | 96.5 | 96.5% |
| 5 Dec 2023, 11:11 | 89.6 | 89.6% |
| 6 Nov 2023, 09:14 | 89.4 | 89.4% |
| 5 Oct 2023, 11:41 | 91.7 | 91.7% |
Dissolved oxygen
as O2 · code 9924 · mg/l
9.88 mg/l
Sampled 1 Sep 2026, 30 days ago · 33 results banked
Every result (33)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 10:44 | 9.88 | 9.88 mg/l |
| 27 Jul 2026, 12:43 | 9.22 | 9.22 mg/l |
| 16 Jun 2026, 10:28 | 9.12 | 9.12 mg/l |
| 11 May 2026, 09:51 | 11.2 | 11.2 mg/l |
| 10 Apr 2026, 12:01 | 11.3 | 11.3 mg/l |
| 6 Mar 2026, 09:51 | 11 | 11 mg/l |
| 3 Feb 2026, 09:51 | 10.7 | 10.7 mg/l |
| 8 Jan 2026, 13:02 | 12.5 | 12.5 mg/l |
| 5 Dec 2025, 15:43 | 11.7 | 11.7 mg/l |
| 6 Nov 2025, 13:10 | 8.69 | 8.69 mg/l |
| 23 Oct 2025, 15:52 | 9.59 | 9.59 mg/l |
| 8 Sep 2025, 13:59 | 9.53 | 9.53 mg/l |
| 15 Aug 2025, 08:42 | 9.23 | 9.23 mg/l |
| 30 Jul 2025, 13:42 | 9.23 | 9.23 mg/l |
| 27 Jun 2025, 10:57 | 9.16 | 9.16 mg/l |
| 2 May 2025, 08:59 | 9.78 | 9.78 mg/l |
| 9 Apr 2025, 13:33 | 11.7 | 11.7 mg/l |
| 13 Mar 2025, 10:06 | 12.6 | 12.6 mg/l |
| 7 Feb 2025, 09:22 | 12.7 | 12.7 mg/l |
| 23 Jan 2025, 13:15 | 12.2 | 12.2 mg/l |
| 2 Dec 2024, 09:50 | 10.2 | 10.2 mg/l |
| 15 Nov 2024, 13:23 | 10.7 | 10.7 mg/l |
| 15 Oct 2024, 11:16 | 10.5 | 10.5 mg/l |
| 4 Sep 2024, 12:10 | 9.57 | 9.57 mg/l |
| 5 Aug 2024, 11:00 | 9.35 | 9.35 mg/l |
| 18 Jul 2024, 11:45 | 9.27 | 9.27 mg/l |
| 13 Jun 2024, 10:41 | 10.6 | 10.6 mg/l |
| 1 Mar 2024, 09:39 | 11.6 | 11.6 mg/l |
| 2 Feb 2024, 12:35 | 11.2 | 11.2 mg/l |
| 10 Jan 2024, 12:45 | 12.7 | 12.7 mg/l |
| 5 Dec 2023, 11:11 | 11 | 11 mg/l |
| 6 Nov 2023, 09:14 | 10.4 | 10.4 mg/l |
| 5 Oct 2023, 11:41 | 9.62 | 9.62 mg/l |
Water temperature
code 0076 · °C
14 °C
Sampled 1 Sep 2026, 30 days ago · 33 results banked
Every result (33)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 10:44 | 14 | 14 °C |
| 27 Jul 2026, 12:43 | 16.9 | 16.9 °C |
| 16 Jun 2026, 10:28 | 16 | 16 °C |
| 11 May 2026, 09:51 | 8.6 | 8.6 °C |
| 10 Apr 2026, 12:01 | 9.5 | 9.5 °C |
| 6 Mar 2026, 09:51 | 8.5 | 8.5 °C |
| 3 Feb 2026, 09:51 | 6.3 | 6.3 °C |
| 8 Jan 2026, 13:02 | 4.5 | 4.5 °C |
| 5 Dec 2025, 15:43 | 6 | 6 °C |
| 6 Nov 2025, 13:10 | 13 | 13 °C |
| 23 Oct 2025, 15:52 | 10.5 | 10.5 °C |
| 8 Sep 2025, 13:59 | 15.1 | 15.1 °C |
| 15 Aug 2025, 08:42 | 16.1 | 16.1 °C |
| 30 Jul 2025, 13:42 | 17.3 | 17.3 °C |
| 27 Jun 2025, 10:57 | 15.9 | 15.9 °C |
| 2 May 2025, 08:59 | 14.1 | 14.1 °C |
| 9 Apr 2025, 13:33 | 10.5 | 10.5 °C |
| 13 Mar 2025, 10:06 | 5.6 | 5.6 °C |
| 7 Feb 2025, 09:22 | 4.2 | 4.2 °C |
| 23 Jan 2025, 13:15 | 5.4 | 5.4 °C |
| 2 Dec 2024, 09:50 | 9 | 9 °C |
| 15 Nov 2024, 13:23 | 9.1 | 9.1 °C |
| 15 Oct 2024, 11:16 | 11.2 | 11.2 °C |
| 4 Sep 2024, 12:10 | 14.9 | 14.9 °C |
| 5 Aug 2024, 11:00 | 16.1 | 16.1 °C |
| 18 Jul 2024, 11:45 | 15.7 | 15.7 °C |
| 13 Jun 2024, 10:41 | 11.3 | 11.3 °C |
| 1 Mar 2024, 09:39 | 6.5 | 6.5 °C |
| 2 Feb 2024, 12:35 | 8.5 | 8.5 °C |
| 10 Jan 2024, 12:45 | 3.9 | 3.9 °C |
| 5 Dec 2023, 11:11 | 6.6 | 6.6 °C |
| 6 Nov 2023, 09:14 | 8.6 | 8.6 °C |
| 5 Oct 2023, 11:41 | 13.1 | 13.1 °C |
pH
code 0061
8.19
Sampled 1 Sep 2026, 30 days ago · 33 results banked
Every result (33)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 10:44 | 8.19 | 8.19 |
| 27 Jul 2026, 12:43 | 8.2 | 8.2 |
| 16 Jun 2026, 10:28 | 8.12 | 8.12 |
| 11 May 2026, 09:51 | 8.21 | 8.21 |
| 10 Apr 2026, 12:01 | 8.28 | 8.28 |
| 6 Mar 2026, 09:51 | 8.43 | 8.43 |
| 3 Feb 2026, 09:51 | 8.13 | 8.13 |
| 8 Jan 2026, 13:02 | 8.23 | 8.23 |
| 5 Dec 2025, 15:43 | 8.21 | 8.21 |
| 6 Nov 2025, 13:10 | 8.04 | 8.04 |
| 23 Oct 2025, 15:52 | 8.13 | 8.13 |
| 8 Sep 2025, 13:59 | 8.27 | 8.27 |
| 15 Aug 2025, 08:42 | 8.19 | 8.19 |
| 30 Jul 2025, 13:42 | 8.19 | 8.19 |
| 27 Jun 2025, 10:57 | 8.18 | 8.18 |
| 2 May 2025, 08:59 | 8.18 | 8.18 |
| 9 Apr 2025, 13:33 | 8.21 | 8.21 |
| 13 Mar 2025, 10:06 | 8.27 | 8.27 |
| 7 Feb 2025, 09:22 | 8.18 | 8.18 |
| 23 Jan 2025, 13:15 | 8.18 | 8.18 |
| 2 Dec 2024, 09:50 | 7.73 | 7.73 |
| 15 Nov 2024, 13:23 | 8.09 | 8.09 |
| 15 Oct 2024, 11:16 | 8.05 | 8.05 |
| 4 Sep 2024, 12:10 | 7.88 | 7.88 |
| 5 Aug 2024, 11:00 | 8.11 | 8.11 |
| 18 Jul 2024, 11:45 | 8.19 | 8.19 |
| 13 Jun 2024, 10:41 | 8.4 | 8.4 |
| 1 Mar 2024, 09:39 | 8.18 | 8.18 |
| 2 Feb 2024, 12:35 | 8.12 | 8.12 |
| 10 Jan 2024, 12:45 | 8.19 | 8.19 |
| 5 Dec 2023, 11:11 | 7.92 | 7.92 |
| 6 Nov 2023, 09:14 | 8.03 | 8.03 |
| 5 Oct 2023, 11:41 | 8.11 | 8.11 |
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 · 33 results banked
Every result (33)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 10:44 | <0.03 | below 0.03 mg/l (not detected above this) |
| 27 Jul 2026, 12:43 | <0.03 | below 0.03 mg/l (not detected above this) |
| 16 Jun 2026, 10:28 | <0.03 | below 0.03 mg/l (not detected above this) |
| 11 May 2026, 09:51 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Apr 2026, 12:01 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Mar 2026, 09:51 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Feb 2026, 09:51 | 0.031 | 0.031 mg/l |
| 8 Jan 2026, 13:02 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Dec 2025, 15:43 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Nov 2025, 13:10 | <0.03 | below 0.03 mg/l (not detected above this) |
| 23 Oct 2025, 15:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 8 Sep 2025, 13:59 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Aug 2025, 08:42 | <0.03 | below 0.03 mg/l (not detected above this) |
| 30 Jul 2025, 13:42 | <0.03 | below 0.03 mg/l (not detected above this) |
| 27 Jun 2025, 10:57 | <0.03 | below 0.03 mg/l (not detected above this) |
| 2 May 2025, 08:59 | <0.03 | below 0.03 mg/l (not detected above this) |
| 9 Apr 2025, 13:33 | <0.03 | below 0.03 mg/l (not detected above this) |
| 13 Mar 2025, 10:06 | <0.03 | below 0.03 mg/l (not detected above this) |
| 7 Feb 2025, 09:22 | <0.03 | below 0.03 mg/l (not detected above this) |
| 23 Jan 2025, 13:15 | 0.035 | 0.035 mg/l |
| 2 Dec 2024, 09:50 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Nov 2024, 13:23 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Oct 2024, 11:16 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Sep 2024, 12:10 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Aug 2024, 11:00 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Jul 2024, 11:45 | <0.03 | below 0.03 mg/l (not detected above this) |
| 13 Jun 2024, 10:41 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 Mar 2024, 09:39 | 0.04 | 0.04 mg/l |
| 2 Feb 2024, 12:35 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Jan 2024, 12:45 | 0.052 | 0.052 mg/l |
| 5 Dec 2023, 11:11 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Nov 2023, 09:14 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Oct 2023, 11:41 | <0.03 | below 0.03 mg/l (not detected above this) |
Nitrate
as nitrogen (N) · code 0117 · mg/l
3 mg/l
Sampled 1 Sep 2026, 30 days ago · 33 results banked
Every result (33)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 10:44 | 3 | 3 mg/l |
| 27 Jul 2026, 12:43 | 3.1 | 3.1 mg/l |
| 16 Jun 2026, 10:28 | 3.3 | 3.3 mg/l |
| 11 May 2026, 09:51 | 3.9 | 3.9 mg/l |
| 10 Apr 2026, 12:01 | 4.09 | 4.09 mg/l |
| 6 Mar 2026, 09:51 | 4.29 | 4.29 mg/l |
| 3 Feb 2026, 09:51 | 4.09 | 4.09 mg/l |
| 8 Jan 2026, 13:02 | 4.19 | 4.19 mg/l |
| 5 Dec 2025, 15:43 | 4.2 | 4.2 mg/l |
| 6 Nov 2025, 13:10 | 2.58 | 2.58 mg/l |
| 23 Oct 2025, 15:52 | 2.6 | 2.6 mg/l |
| 8 Sep 2025, 13:59 | 3.3 | 3.3 mg/l |
| 15 Aug 2025, 08:42 | 3.3 | 3.3 mg/l |
| 30 Jul 2025, 13:42 | 3.7 | 3.7 mg/l |
| 27 Jun 2025, 10:57 | 3.4 | 3.4 mg/l |
| 2 May 2025, 08:59 | 3.89 | 3.89 mg/l |
| 9 Apr 2025, 13:33 | 4.49 | 4.49 mg/l |
| 13 Mar 2025, 10:06 | 4.59 | 4.59 mg/l |
| 7 Feb 2025, 09:22 | 4.49 | 4.49 mg/l |
| 23 Jan 2025, 13:15 | 4.68 | 4.68 mg/l |
| 2 Dec 2024, 09:50 | 3.39 | 3.39 mg/l |
| 15 Nov 2024, 13:23 | 3.89 | 3.89 mg/l |
| 15 Oct 2024, 11:16 | 2.6 | 2.6 mg/l |
| 4 Sep 2024, 12:10 | 3.7 | 3.7 mg/l |
| 5 Aug 2024, 11:00 | 4.2 | 4.2 mg/l |
| 18 Jul 2024, 11:45 | 3.69 | 3.69 mg/l |
| 13 Jun 2024, 10:41 | 4.49 | 4.49 mg/l |
| 1 Mar 2024, 09:39 | 3.98 | 3.98 mg/l |
| 2 Feb 2024, 12:35 | 5.29 | 5.29 mg/l |
| 10 Jan 2024, 12:45 | 5.58 | 5.58 mg/l |
| 5 Dec 2023, 11:11 | 3.39 | 3.39 mg/l |
| 6 Nov 2023, 09:14 | 3.89 | 3.89 mg/l |
| 5 Oct 2023, 11:41 | 3.5 | 3.5 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.015 mg/l
Sampled 1 Sep 2026, 30 days ago · 33 results banked
Every result (33)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 10:44 | 0.015 | 0.015 mg/l |
| 27 Jul 2026, 12:43 | 0.015 | 0.015 mg/l |
| 16 Jun 2026, 10:28 | 0.019 | 0.019 mg/l |
| 11 May 2026, 09:51 | 0.017 | 0.017 mg/l |
| 10 Apr 2026, 12:01 | 0.015 | 0.015 mg/l |
| 6 Mar 2026, 09:51 | 0.013 | 0.013 mg/l |
| 3 Feb 2026, 09:51 | 0.015 | 0.015 mg/l |
| 8 Jan 2026, 13:02 | 0.014 | 0.014 mg/l |
| 5 Dec 2025, 15:43 | 0.012 | 0.012 mg/l |
| 6 Nov 2025, 13:10 | 0.01 | 0.01 mg/l |
| 23 Oct 2025, 15:52 | <0.01 | below 0.01 mg/l (not detected above this) |
| 8 Sep 2025, 13:59 | 0.015 | 0.015 mg/l |
| 15 Aug 2025, 08:42 | 0.023 | 0.023 mg/l |
| 30 Jul 2025, 13:42 | 0.041 | 0.041 mg/l |
| 27 Jun 2025, 10:57 | 0.021 | 0.021 mg/l |
| 2 May 2025, 08:59 | 0.019 | 0.019 mg/l |
| 9 Apr 2025, 13:33 | <0.01 | below 0.01 mg/l (not detected above this) |
| 13 Mar 2025, 10:06 | 0.013 | 0.013 mg/l |
| 7 Feb 2025, 09:22 | 0.013 | 0.013 mg/l |
| 23 Jan 2025, 13:15 | 0.013 | 0.013 mg/l |
| 2 Dec 2024, 09:50 | 0.016 | 0.016 mg/l |
| 15 Nov 2024, 13:23 | 0.01 | 0.01 mg/l |
| 15 Oct 2024, 11:16 | 0.024 | 0.024 mg/l |
| 4 Sep 2024, 12:10 | 0.016 | 0.016 mg/l |
| 5 Aug 2024, 11:00 | 0.021 | 0.021 mg/l |
| 18 Jul 2024, 11:45 | 0.014 | 0.014 mg/l |
| 13 Jun 2024, 10:41 | 0.014 | 0.014 mg/l |
| 1 Mar 2024, 09:39 | 0.026 | 0.026 mg/l |
| 2 Feb 2024, 12:35 | 0.012 | 0.012 mg/l |
| 10 Jan 2024, 12:45 | 0.018 | 0.018 mg/l |
| 5 Dec 2023, 11:11 | 0.028 | 0.028 mg/l |
| 6 Nov 2023, 09:14 | <0.01 | below 0.01 mg/l (not detected above this) |
| 5 Oct 2023, 11:41 | <0.01 | below 0.01 mg/l (not detected above this) |
Conductivity
at 25 °C · code 0077 · µS/cm
783 µS/cm
Sampled 1 Sep 2026, 30 days ago · 33 results banked
Every result (33)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 10:44 | 783 | 783 µS/cm |
| 27 Jul 2026, 12:43 | 663 | 663 µS/cm |
| 16 Jun 2026, 10:28 | 708 | 708 µS/cm |
| 11 May 2026, 09:51 | 729 | 729 µS/cm |
| 10 Apr 2026, 12:01 | 744 | 744 µS/cm |
| 6 Mar 2026, 09:51 | 765 | 765 µS/cm |
| 3 Feb 2026, 09:51 | 740 | 740 µS/cm |
| 8 Jan 2026, 13:02 | 803 | 803 µS/cm |
| 5 Dec 2025, 15:43 | 801 | 801 µS/cm |
| 6 Nov 2025, 13:10 | 807 | 807 µS/cm |
| 23 Oct 2025, 15:52 | 807 | 807 µS/cm |
| 8 Sep 2025, 13:59 | 743 | 743 µS/cm |
| 15 Aug 2025, 08:42 | 681 | 681 µS/cm |
| 30 Jul 2025, 13:42 | 688 | 688 µS/cm |
| 27 Jun 2025, 10:57 | 686 | 686 µS/cm |
| 2 May 2025, 08:59 | 724 | 724 µS/cm |
| 9 Apr 2025, 13:33 | 755 | 755 µS/cm |
| 13 Mar 2025, 10:06 | 765 | 765 µS/cm |
| 7 Feb 2025, 09:22 | 773 | 773 µS/cm |
| 23 Jan 2025, 13:15 | 775 | 775 µS/cm |
| 2 Dec 2024, 09:50 | 788 | 788 µS/cm |
| 15 Nov 2024, 13:23 | 787 | 787 µS/cm |
| 15 Oct 2024, 11:16 | 749 | 749 µS/cm |
| 4 Sep 2024, 12:10 | 723 | 723 µS/cm |
| 5 Aug 2024, 11:00 | 729 | 729 µS/cm |
| 18 Jul 2024, 11:45 | 768 | 768 µS/cm |
| 13 Jun 2024, 10:41 | 761 | 761 µS/cm |
| 1 Mar 2024, 09:39 | 735 | 735 µS/cm |
| 2 Feb 2024, 12:35 | 791 | 791 µS/cm |
| 10 Jan 2024, 12:45 | 819 | 819 µS/cm |
| 5 Dec 2023, 11:11 | 728 | 728 µS/cm |
| 6 Nov 2023, 09:14 | 803 | 803 µS/cm |
| 5 Oct 2023, 11:41 | 767 | 767 µS/cm |
Everything measured here
14 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 14 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 33 | Oct 2023 – Sep 2026 | 96.1% 1 Sep 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 33 | Oct 2023 – Sep 2026 | 9.88 mg/l 1 Sep 2026 |
| Temperature of Water 0076 | River water | 33 | Oct 2023 – Sep 2026 | 14 °C 1 Sep 2026 |
| pH 0061 | River water | 33 | Oct 2023 – Sep 2026 | 8.19 1 Sep 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 33 | Oct 2023 – Sep 2026 | below 0.03 mg/l 1 Sep 2026 |
| Nitrate as N 0117 | River water | 33 | Oct 2023 – Sep 2026 | 3 mg/l 1 Sep 2026 |
| Orthophosphate, reactive as P 0180 | River water | 33 | Oct 2023 – Sep 2026 | 0.015 mg/l 1 Sep 2026 |
| Conductivity at 25 C 0077 | River water | 33 | Oct 2023 – Sep 2026 | 783 µS/cm 1 Sep 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 33 | Oct 2023 – Sep 2026 | 280 mg/l 1 Sep 2026 |
| Ammonia un-ionised as N 0119 | River water | 33 | Oct 2023 – Sep 2026 | below 0.00073 mg/l 1 Sep 2026 |
| BOD : 5 Day ATU 0085 | River water | 27 | Oct 2023 – Mar 2026 | 1.4 mg/l 6 Mar 2026 |
| Nitrite as N 0118 | River water | 33 | Oct 2023 – Sep 2026 | below 0.004 mg/l 1 Sep 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 33 | Oct 2023 – Sep 2026 | 3 mg/l 1 Sep 2026 |
| Phosphorus, Total as P 0348 | River water | 9 | Apr 2025 – Mar 2026 | 0.031 mg/l 6 Mar 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.