Marcham Brook at Mill Road, Marcham
EA name: MARCHAM BROOK AT MILL ROAD, MARCHAM
Environment Agency sampling point TH-POCR0011 · 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, 11:0030 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 34 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 445535, 196123As published, to the nearest 1 m. Open in a map
- River, by its own name
- Marcham Brook
- River, by the map
- Marcham BrookPlaced on the river its name gives, 4 m from the line.
- Next gauge downstream
- Abingdon On the River Ock · 3.9 km along the river
- Why it was sampled
- Environmental monitoring statutory (EU directives) (34 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
88.8%
Sampled 1 Sep 2026, 30 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:00 | 88.8 | 88.8% |
| 27 Jul 2026, 12:52 | 89.1 | 89.1% |
| 15 Jun 2026, 13:13 | 96.1 | 96.1% |
| 11 May 2026, 10:02 | 92.5 | 92.5% |
| 20 Apr 2026, 09:31 | 97.1 | 97.1% |
| 6 Mar 2026, 09:25 | 87 | 87% |
| 3 Feb 2026, 09:12 | 83.7 | 83.7% |
| 8 Jan 2026, 12:03 | 93.2 | 93.2% |
| 5 Dec 2025, 15:19 | 87.5 | 87.5% |
| 6 Nov 2025, 11:19 | 67.5 | 67.5% |
| 13 Oct 2025, 12:03 | 84 | 84% |
| 19 Sep 2025, 09:00 | 87 | 87% |
| 12 Aug 2025, 09:49 | 87.8 | 87.8% |
| 23 Jul 2025, 09:31 | 86.1 | 86.1% |
| 26 Jun 2025, 12:50 | 76.3 | 76.3% |
| 22 May 2025, 11:22 | 92.6 | 92.6% |
| 28 Apr 2025, 10:33 | 97 | 97% |
| 3 Mar 2025, 10:40 | 94.5 | 94.5% |
| 7 Feb 2025, 09:37 | 96.1 | 96.1% |
| 7 Jan 2025, 12:17 | 92.3 | 92.3% |
| 9 Dec 2024, 12:36 | 86.6 | 86.6% |
| 21 Nov 2024, 12:17 | 87.6 | 87.6% |
| 10 Oct 2024, 12:12 | 86.5 | 86.5% |
| 6 Sep 2024, 12:30 | 76.4 | 76.4% |
| 5 Aug 2024, 11:09 | 83.9 | 83.9% |
| 8 Jul 2024, 13:41 | 90.4 | 90.4% |
| 13 Jun 2024, 10:13 | 100.3 | 100.3% |
| 1 Mar 2024, 09:47 | 84.5 | 84.5% |
| 2 Feb 2024, 12:12 | 89.6 | 89.6% |
| 18 Jan 2024, 11:44 | 83.3 | 83.3% |
| 5 Dec 2023, 13:09 | 81.7 | 81.7% |
| 16 Nov 2023, 14:15 | 75.8 | 75.8% |
| 27 Oct 2023, 11:01 | 86.7 | 86.7% |
| 5 Oct 2023, 11:12 | 80.2 | 80.2% |
Dissolved oxygen
as O2 · code 9924 · mg/l
8.84 mg/l
Sampled 1 Sep 2026, 30 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:00 | 8.84 | 8.84 mg/l |
| 27 Jul 2026, 12:52 | 8.34 | 8.34 mg/l |
| 15 Jun 2026, 13:13 | 9.38 | 9.38 mg/l |
| 11 May 2026, 10:02 | 10.4 | 10.4 mg/l |
| 20 Apr 2026, 09:31 | 10.9 | 10.9 mg/l |
| 6 Mar 2026, 09:25 | 10.1 | 10.1 mg/l |
| 3 Feb 2026, 09:12 | 10.2 | 10.2 mg/l |
| 8 Jan 2026, 12:03 | 12 | 12 mg/l |
| 5 Dec 2025, 15:19 | 10.7 | 10.7 mg/l |
| 6 Nov 2025, 11:19 | 7.11 | 7.11 mg/l |
| 13 Oct 2025, 12:03 | 9.2 | 9.2 mg/l |
| 19 Sep 2025, 09:00 | 8.6 | 8.6 mg/l |
| 12 Aug 2025, 09:49 | 8.39 | 8.39 mg/l |
| 23 Jul 2025, 09:31 | 8.32 | 8.32 mg/l |
| 26 Jun 2025, 12:50 | 7.15 | 7.15 mg/l |
| 22 May 2025, 11:22 | 9.54 | 9.54 mg/l |
| 28 Apr 2025, 10:33 | 10 | 10 mg/l |
| 3 Mar 2025, 10:40 | 12.1 | 12.1 mg/l |
| 7 Feb 2025, 09:37 | 12.4 | 12.4 mg/l |
| 7 Jan 2025, 12:17 | 11.8 | 11.8 mg/l |
| 9 Dec 2024, 12:36 | 10.3 | 10.3 mg/l |
| 21 Nov 2024, 12:17 | 11 | 11 mg/l |
| 10 Oct 2024, 12:12 | 9.34 | 9.34 mg/l |
| 6 Sep 2024, 12:30 | 7.51 | 7.51 mg/l |
| 5 Aug 2024, 11:09 | 8.02 | 8.02 mg/l |
| 8 Jul 2024, 13:41 | 9.09 | 9.09 mg/l |
| 13 Jun 2024, 10:13 | 10.7 | 10.7 mg/l |
| 1 Mar 2024, 09:47 | 10.2 | 10.2 mg/l |
| 2 Feb 2024, 12:12 | 10.5 | 10.5 mg/l |
| 18 Jan 2024, 11:44 | 11.1 | 11.1 mg/l |
| 5 Dec 2023, 13:09 | 9.83 | 9.83 mg/l |
| 16 Nov 2023, 14:15 | 8.73 | 8.73 mg/l |
| 27 Oct 2023, 11:01 | 9.54 | 9.54 mg/l |
| 5 Oct 2023, 11:12 | 8.3 | 8.3 mg/l |
Water temperature
code 0076 · °C
15.5 °C
Sampled 1 Sep 2026, 30 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:00 | 15.5 | 15.5 °C |
| 27 Jul 2026, 12:52 | 18.4 | 18.4 °C |
| 15 Jun 2026, 13:13 | 16.4 | 16.4 °C |
| 11 May 2026, 10:02 | 10.2 | 10.2 °C |
| 20 Apr 2026, 09:31 | 10.1 | 10.1 °C |
| 6 Mar 2026, 09:25 | 8.8 | 8.8 °C |
| 3 Feb 2026, 09:12 | 6.9 | 6.9 °C |
| 8 Jan 2026, 12:03 | 4.5 | 4.5 °C |
| 5 Dec 2025, 15:19 | 6.6 | 6.6 °C |
| 6 Nov 2025, 11:19 | 12.9 | 12.9 °C |
| 13 Oct 2025, 12:03 | 11.2 | 11.2 °C |
| 19 Sep 2025, 09:00 | 15.8 | 15.8 °C |
| 12 Aug 2025, 09:49 | 17.4 | 17.4 °C |
| 23 Jul 2025, 09:31 | 16.9 | 16.9 °C |
| 26 Jun 2025, 12:50 | 18.4 | 18.4 °C |
| 22 May 2025, 11:22 | 13.9 | 13.9 °C |
| 28 Apr 2025, 10:33 | 13.8 | 13.8 °C |
| 3 Mar 2025, 10:40 | 4.9 | 4.9 °C |
| 7 Feb 2025, 09:37 | 4.6 | 4.6 °C |
| 7 Jan 2025, 12:17 | 5 | 5 °C |
| 9 Dec 2024, 12:36 | 7.7 | 7.7 °C |
| 21 Nov 2024, 12:17 | 5.7 | 5.7 °C |
| 10 Oct 2024, 12:12 | 11.8 | 11.8 °C |
| 6 Sep 2024, 12:30 | 16.1 | 16.1 °C |
| 5 Aug 2024, 11:09 | 17.4 | 17.4 °C |
| 8 Jul 2024, 13:41 | 15 | 15 °C |
| 13 Jun 2024, 10:13 | 12.4 | 12.4 °C |
| 1 Mar 2024, 09:47 | 7.2 | 7.2 °C |
| 2 Feb 2024, 12:12 | 8.3 | 8.3 °C |
| 18 Jan 2024, 11:44 | 3.3 | 3.3 °C |
| 5 Dec 2023, 13:09 | 7.3 | 7.3 °C |
| 16 Nov 2023, 14:15 | 9.1 | 9.1 °C |
| 27 Oct 2023, 11:01 | 11 | 11 °C |
| 5 Oct 2023, 11:12 | 13.7 | 13.7 °C |
pH
code 0061
7.89
Sampled 1 Sep 2026, 30 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:00 | 7.89 | 7.89 |
| 27 Jul 2026, 12:52 | 7.99 | 7.99 |
| 15 Jun 2026, 13:13 | 8.03 | 8.03 |
| 11 May 2026, 10:02 | 8.07 | 8.07 |
| 20 Apr 2026, 09:31 | 8.15 | 8.15 |
| 6 Mar 2026, 09:25 | 8.3 | 8.3 |
| 3 Feb 2026, 09:12 | 7.97 | 7.97 |
| 8 Jan 2026, 12:03 | 8.05 | 8.05 |
| 5 Dec 2025, 15:19 | 7.99 | 7.99 |
| 6 Nov 2025, 11:19 | 7.79 | 7.79 |
| 13 Oct 2025, 12:03 | 8.01 | 8.01 |
| 19 Sep 2025, 09:00 | 8.05 | 8.05 |
| 12 Aug 2025, 09:49 | 8 | 8 |
| 23 Jul 2025, 09:31 | 7.97 | 7.97 |
| 26 Jun 2025, 12:50 | 7.9 | 7.9 |
| 22 May 2025, 11:22 | 8.16 | 8.16 |
| 28 Apr 2025, 10:33 | 8.1 | 8.1 |
| 3 Mar 2025, 10:40 | 8.04 | 8.04 |
| 7 Feb 2025, 09:37 | 8.03 | 8.03 |
| 7 Jan 2025, 12:17 | 7.95 | 7.95 |
| 9 Dec 2024, 12:36 | 7.97 | 7.97 |
| 21 Nov 2024, 12:17 | 7.9 | 7.9 |
| 10 Oct 2024, 12:12 | 7.94 | 7.94 |
| 6 Sep 2024, 12:30 | 7.72 | 7.72 |
| 5 Aug 2024, 11:09 | 7.93 | 7.93 |
| 8 Jul 2024, 13:41 | 7.88 | 7.88 |
| 13 Jun 2024, 10:13 | 8.35 | 8.35 |
| 1 Mar 2024, 09:47 | 7.95 | 7.95 |
| 2 Feb 2024, 12:12 | 7.93 | 7.93 |
| 18 Jan 2024, 11:44 | 7.94 | 7.94 |
| 5 Dec 2023, 13:09 | 7.78 | 7.78 |
| 16 Nov 2023, 14:15 | 7.8 | 7.8 |
| 27 Oct 2023, 11:01 | 7.96 | 7.96 |
| 5 Oct 2023, 11:12 | 7.92 | 7.92 |
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 · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:00 | <0.03 | below 0.03 mg/l (not detected above this) |
| 27 Jul 2026, 12:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Jun 2026, 13:13 | <0.03 | below 0.03 mg/l (not detected above this) |
| 11 May 2026, 10:02 | 0.042 | 0.042 mg/l |
| 20 Apr 2026, 09:31 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Mar 2026, 09:25 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Feb 2026, 09:12 | 0.079 | 0.079 mg/l |
| 8 Jan 2026, 12:03 | 0.056 | 0.056 mg/l |
| 5 Dec 2025, 15:19 | 0.06 | 0.06 mg/l |
| 6 Nov 2025, 11:19 | <0.03 | below 0.03 mg/l (not detected above this) |
| 13 Oct 2025, 12:03 | 0.052 | 0.052 mg/l |
| 19 Sep 2025, 09:00 | <0.03 | below 0.03 mg/l (not detected above this) |
| 12 Aug 2025, 09:49 | <0.03 | below 0.03 mg/l (not detected above this) |
| 23 Jul 2025, 09:31 | <0.03 | below 0.03 mg/l (not detected above this) |
| 26 Jun 2025, 12:50 | <0.03 | below 0.03 mg/l (not detected above this) |
| 22 May 2025, 11:22 | <0.03 | below 0.03 mg/l (not detected above this) |
| 28 Apr 2025, 10:33 | 0.032 | 0.032 mg/l |
| 3 Mar 2025, 10:40 | 0.05 | 0.05 mg/l |
| 7 Feb 2025, 09:37 | 0.043 | 0.043 mg/l |
| 7 Jan 2025, 12:17 | 0.059 | 0.059 mg/l |
| 9 Dec 2024, 12:36 | 0.073 | 0.073 mg/l |
| 21 Nov 2024, 12:17 | 0.059 | 0.059 mg/l |
| 10 Oct 2024, 12:12 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Sep 2024, 12:30 | 0.38 | 0.38 mg/l |
| 5 Aug 2024, 11:09 | 0.094 | 0.094 mg/l |
| 8 Jul 2024, 13:41 | 0.07 | 0.07 mg/l |
| 13 Jun 2024, 10:13 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 Mar 2024, 09:47 | 0.31 | 0.31 mg/l |
| 2 Feb 2024, 12:12 | 0.16 | 0.16 mg/l |
| 18 Jan 2024, 11:44 | 0.34 | 0.34 mg/l |
| 5 Dec 2023, 13:09 | 0.24 | 0.24 mg/l |
| 16 Nov 2023, 14:15 | 0.26 | 0.26 mg/l |
| 27 Oct 2023, 11:01 | 0.064 | 0.064 mg/l |
| 5 Oct 2023, 11:12 | 0.036 | 0.036 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
12 mg/l
Sampled 1 Sep 2026, 30 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:00 | 12 | 12 mg/l |
| 27 Jul 2026, 12:52 | 14 | 14 mg/l |
| 15 Jun 2026, 13:13 | 9.38 | 9.38 mg/l |
| 11 May 2026, 10:02 | 9.67 | 9.67 mg/l |
| 20 Apr 2026, 09:31 | 8.68 | 8.68 mg/l |
| 6 Mar 2026, 09:25 | 6.77 | 6.77 mg/l |
| 3 Feb 2026, 09:12 | 6.44 | 6.44 mg/l |
| 8 Jan 2026, 12:03 | 8.95 | 8.95 mg/l |
| 5 Dec 2025, 15:19 | 7.25 | 7.25 mg/l |
| 6 Nov 2025, 11:19 | 9.95 | 9.95 mg/l |
| 13 Oct 2025, 12:03 | 12 | 12 mg/l |
| 19 Sep 2025, 09:00 | 12 | 12 mg/l |
| 12 Aug 2025, 09:49 | 14 | 14 mg/l |
| 23 Jul 2025, 09:31 | 12 | 12 mg/l |
| 26 Jun 2025, 12:50 | 13 | 13 mg/l |
| 22 May 2025, 11:22 | 11 | 11 mg/l |
| 28 Apr 2025, 10:33 | 8.57 | 8.57 mg/l |
| 3 Mar 2025, 10:40 | 6.47 | 6.47 mg/l |
| 7 Feb 2025, 09:37 | 6.57 | 6.57 mg/l |
| 7 Jan 2025, 12:17 | 4.87 | 4.87 mg/l |
| 9 Dec 2024, 12:36 | 4.66 | 4.66 mg/l |
| 21 Nov 2024, 12:17 | 4.78 | 4.78 mg/l |
| 10 Oct 2024, 12:12 | 4.08 | 4.08 mg/l |
| 6 Sep 2024, 12:30 | 9.04 | 9.04 mg/l |
| 5 Aug 2024, 11:09 | 8.37 | 8.37 mg/l |
| 8 Jul 2024, 13:41 | 5.07 | 5.07 mg/l |
| 13 Jun 2024, 10:13 | 7.37 | 7.37 mg/l |
| 1 Mar 2024, 09:47 | 5.38 | 5.38 mg/l |
| 2 Feb 2024, 12:12 | 6.84 | 6.84 mg/l |
| 18 Jan 2024, 11:44 | 6.61 | 6.61 mg/l |
| 5 Dec 2023, 13:09 | 5.58 | 5.58 mg/l |
| 16 Nov 2023, 14:15 | 5.27 | 5.27 mg/l |
| 27 Oct 2023, 11:01 | 5.77 | 5.77 mg/l |
| 5 Oct 2023, 11:12 | 7.67 | 7.67 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.23 mg/l
Sampled 1 Sep 2026, 30 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:00 | 0.23 | 0.23 mg/l |
| 27 Jul 2026, 12:52 | 0.28 | 0.28 mg/l |
| 15 Jun 2026, 13:13 | 0.56 | 0.56 mg/l |
| 11 May 2026, 10:02 | 0.46 | 0.46 mg/l |
| 20 Apr 2026, 09:31 | 0.37 | 0.37 mg/l |
| 6 Mar 2026, 09:25 | 0.27 | 0.27 mg/l |
| 3 Feb 2026, 09:12 | 0.23 | 0.23 mg/l |
| 8 Jan 2026, 12:03 | 0.36 | 0.36 mg/l |
| 5 Dec 2025, 15:19 | 0.34 | 0.34 mg/l |
| 6 Nov 2025, 11:19 | 0.65 | 0.65 mg/l |
| 13 Oct 2025, 12:03 | 0.94 | 0.94 mg/l |
| 19 Sep 2025, 09:00 | 0.9 | 0.9 mg/l |
| 12 Aug 2025, 09:49 | 0.96 | 0.96 mg/l |
| 23 Jul 2025, 09:31 | 0.98 | 0.98 mg/l |
| 26 Jun 2025, 12:50 | 0.9 | 0.9 mg/l |
| 22 May 2025, 11:22 | 0.55 | 0.55 mg/l |
| 28 Apr 2025, 10:33 | 0.52 | 0.52 mg/l |
| 3 Mar 2025, 10:40 | 0.21 | 0.21 mg/l |
| 7 Feb 2025, 09:37 | 0.2 | 0.2 mg/l |
| 7 Jan 2025, 12:17 | 0.17 | 0.17 mg/l |
| 9 Dec 2024, 12:36 | 0.2 | 0.2 mg/l |
| 21 Nov 2024, 12:17 | 0.24 | 0.24 mg/l |
| 10 Oct 2024, 12:12 | 0.2 | 0.2 mg/l |
| 6 Sep 2024, 12:30 | 0.63 | 0.63 mg/l |
| 5 Aug 2024, 11:09 | 0.48 | 0.48 mg/l |
| 8 Jul 2024, 13:41 | 0.42 | 0.42 mg/l |
| 13 Jun 2024, 10:13 | 0.49 | 0.49 mg/l |
| 1 Mar 2024, 09:47 | 0.25 | 0.25 mg/l |
| 2 Feb 2024, 12:12 | 0.28 | 0.28 mg/l |
| 18 Jan 2024, 11:44 | 0.27 | 0.27 mg/l |
| 5 Dec 2023, 13:09 | 0.28 | 0.28 mg/l |
| 16 Nov 2023, 14:15 | 0.21 | 0.21 mg/l |
| 27 Oct 2023, 11:01 | 0.3 | 0.3 mg/l |
| 5 Oct 2023, 11:12 | 0.73 | 0.73 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
852 µS/cm
Sampled 1 Sep 2026, 30 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 11:00 | 852 | 852 µS/cm |
| 27 Jul 2026, 12:52 | 898 | 898 µS/cm |
| 15 Jun 2026, 13:13 | 834 | 834 µS/cm |
| 11 May 2026, 10:02 | 835 | 835 µS/cm |
| 20 Apr 2026, 09:31 | 831 | 831 µS/cm |
| 6 Mar 2026, 09:25 | 808 | 808 µS/cm |
| 3 Feb 2026, 09:12 | 772 | 772 µS/cm |
| 8 Jan 2026, 12:03 | 927 | 927 µS/cm |
| 5 Dec 2025, 15:19 | 858 | 858 µS/cm |
| 6 Nov 2025, 11:19 | 915 | 915 µS/cm |
| 13 Oct 2025, 12:03 | 926 | 926 µS/cm |
| 19 Sep 2025, 09:00 | 878 | 878 µS/cm |
| 12 Aug 2025, 09:49 | 873 | 873 µS/cm |
| 23 Jul 2025, 09:31 | 837 | 837 µS/cm |
| 26 Jun 2025, 12:50 | 855 | 855 µS/cm |
| 22 May 2025, 11:22 | 848 | 848 µS/cm |
| 28 Apr 2025, 10:33 | 825 | 825 µS/cm |
| 3 Mar 2025, 10:40 | 805 | 805 µS/cm |
| 7 Feb 2025, 09:37 | 819 | 819 µS/cm |
| 7 Jan 2025, 12:17 | 728 | 728 µS/cm |
| 9 Dec 2024, 12:36 | 763 | 763 µS/cm |
| 21 Nov 2024, 12:17 | 799 | 799 µS/cm |
| 10 Oct 2024, 12:12 | 733 | 733 µS/cm |
| 6 Sep 2024, 12:30 | 782 | 782 µS/cm |
| 5 Aug 2024, 11:09 | 827 | 827 µS/cm |
| 8 Jul 2024, 13:41 | 773 | 773 µS/cm |
| 13 Jun 2024, 10:13 | 842 | 842 µS/cm |
| 1 Mar 2024, 09:47 | 810 | 810 µS/cm |
| 2 Feb 2024, 12:12 | 837 | 837 µS/cm |
| 18 Jan 2024, 11:44 | 866 | 866 µS/cm |
| 5 Dec 2023, 13:09 | 825 | 825 µS/cm |
| 16 Nov 2023, 14:15 | 805 | 805 µS/cm |
| 27 Oct 2023, 11:01 | 864 | 864 µS/cm |
| 5 Oct 2023, 11:12 | 874 | 874 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 | 34 | Oct 2023 – Sep 2026 | 88.8% 1 Sep 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 34 | Oct 2023 – Sep 2026 | 8.84 mg/l 1 Sep 2026 |
| Temperature of Water 0076 | River water | 34 | Oct 2023 – Sep 2026 | 15.5 °C 1 Sep 2026 |
| pH 0061 | River water | 34 | Oct 2023 – Sep 2026 | 7.89 1 Sep 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 34 | Oct 2023 – Sep 2026 | below 0.03 mg/l 1 Sep 2026 |
| Nitrate as N 0117 | River water | 34 | Oct 2023 – Sep 2026 | 12 mg/l 1 Sep 2026 |
| Orthophosphate, reactive as P 0180 | River water | 34 | Oct 2023 – Sep 2026 | 0.23 mg/l 1 Sep 2026 |
| Conductivity at 25 C 0077 | River water | 34 | Oct 2023 – Sep 2026 | 852 µS/cm 1 Sep 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 34 | Oct 2023 – Sep 2026 | 170 mg/l 1 Sep 2026 |
| Ammonia un-ionised as N 0119 | River water | 34 | Oct 2023 – Sep 2026 | below 0.00064 mg/l 1 Sep 2026 |
| BOD : 5 Day ATU 0085 | River water | 28 | Oct 2023 – Mar 2026 | 1.4 mg/l 6 Mar 2026 |
| Nitrite as N 0118 | River water | 34 | Oct 2023 – Sep 2026 | 0.029 mg/l 1 Sep 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 34 | 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.