Near Welmore Sluice
EA name: NEAR WELMORE SLUICE (also listed as “RSN1585 NEAR WELMORE SLUICE”)
Environment Agency sampling point AN-RSN1585 · 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
- 19 Aug 2026, 09:3043 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 35 since 13 Oct 2023 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Monitoring (national agency policy)
- Where
- National Grid 557268, 299706As 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
- Old Bedford RiverPlaced by position alone (the only river line close by), 4 m from the line.
- Next gauge downstream
- Magdalen Bridge On the River Great Ouse · 13 km along the river
- Nearest gauge upstream
- Welches Dam On the Counter Drain · 17 km along the river
- Why it was sampled
- Monitoring (national agency policy) (35 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
135.4%
Sampled 19 Aug 2026, 43 days ago · 35 results banked
Every result (35)
| Sampled | Result as published | Reads as |
|---|---|---|
| 19 Aug 2026, 09:30 | 135.4 | 135.4% |
| 15 Jul 2026, 10:48 | 89.7 | 89.7% |
| 1 Jun 2026, 16:39 | 127.8 | 127.8% |
| 18 May 2026, 10:43 | 122.2 | 122.2% |
| 24 Apr 2026, 11:56 | 103.8 | 103.8% |
| 26 Mar 2026, 08:19 | 101.1 | 101.1% |
| 9 Feb 2026, 11:30 | 103.5 | 103.5% |
| 12 Jan 2026, 11:41 | 88.8 | 88.8% |
| 8 Dec 2025, 12:00 | 94.9 | 94.9% |
| 20 Nov 2025, 12:32 | 93.9 | 93.9% |
| 21 Oct 2025, 08:55 | 73.5 | 73.5% |
| 17 Sep 2025, 15:30 | 98.6 | 98.6% |
| 6 Aug 2025, 14:01 | 169.4 | 169.4% |
| 15 Jul 2025, 08:58 | 114.3 | 114.3% |
| 24 Jun 2025, 09:30 | 71.8 | 71.8% |
| 13 May 2025, 11:09 | 113.5 | 113.5% |
| 23 Apr 2025, 12:35 | 162.8 | 162.8% |
| 6 Mar 2025, 16:51 | 144 | 144% |
| 13 Feb 2025, 11:47 | 91.9 | 91.9% |
| 24 Jan 2025, 16:34 | 97 | 97% |
| 12 Dec 2024, 12:22 | 84.2 | 84.2% |
| 18 Nov 2024, 12:20 | 67.2 | 67.2% |
| 14 Oct 2024, 15:19 | 58 | 58% |
| 16 Sep 2024, 10:50 | 131.4 | 131.4% |
| 19 Aug 2024, 14:02 | 190.3 | 190.3% |
| 15 Jul 2024, 14:52 | 177.2 | 177.2% |
| 17 Jun 2024, 12:14 | 160.4 | 160.4% |
| 1 May 2024, 11:13 | 164.8 | 164.8% |
| 4 Apr 2024, 14:03 | 112.6 | 112.6% |
| 8 Mar 2024, 14:19 | 118 | 118% |
| 12 Feb 2024, 15:00 | 90.2 | 90.2% |
| 10 Jan 2024, 09:37 | 83.2 | 83.2% |
| 5 Dec 2023, 15:11 | 81.4 | 81.4% |
| 6 Nov 2023, 14:47 | 84.8 | 84.8% |
| 13 Oct 2023, 12:11 | 73.2 | 73.2% |
Dissolved oxygen
as O2 · code 9924 · mg/l
12.1 mg/l
Sampled 19 Aug 2026, 43 days ago · 35 results banked
Every result (35)
| Sampled | Result as published | Reads as |
|---|---|---|
| 19 Aug 2026, 09:30 | 12.1 | 12.1 mg/l |
| 15 Jul 2026, 10:48 | 7.85 | 7.85 mg/l |
| 1 Jun 2026, 16:39 | 11.3 | 11.3 mg/l |
| 18 May 2026, 10:43 | 12.5 | 12.5 mg/l |
| 24 Apr 2026, 11:56 | 10.3 | 10.3 mg/l |
| 26 Mar 2026, 08:19 | 12.4 | 12.4 mg/l |
| 9 Feb 2026, 11:30 | 12.5 | 12.5 mg/l |
| 12 Jan 2026, 11:41 | 11 | 11 mg/l |
| 8 Dec 2025, 12:00 | 11.1 | 11.1 mg/l |
| 20 Nov 2025, 12:32 | 12.3 | 12.3 mg/l |
| 21 Oct 2025, 08:55 | 7.86 | 7.86 mg/l |
| 17 Sep 2025, 15:30 | 9.87 | 9.87 mg/l |
| 6 Aug 2025, 14:01 | 15.2 | 15.2 mg/l |
| 15 Jul 2025, 08:58 | 10.5 | 10.5 mg/l |
| 24 Jun 2025, 09:30 | 6.63 | 6.63 mg/l |
| 13 May 2025, 11:09 | 10.6 | 10.6 mg/l |
| 23 Apr 2025, 12:35 | 16.5 | 16.5 mg/l |
| 6 Mar 2025, 16:51 | 16.8 | 16.8 mg/l |
| 13 Feb 2025, 11:47 | 12 | 12 mg/l |
| 24 Jan 2025, 16:34 | 12.2 | 12.2 mg/l |
| 12 Dec 2024, 12:22 | 10.1 | 10.1 mg/l |
| 18 Nov 2024, 12:20 | 8.11 | 8.11 mg/l |
| 14 Oct 2024, 15:19 | 6.37 | 6.37 mg/l |
| 16 Sep 2024, 10:50 | 13.3 | 13.3 mg/l |
| 19 Aug 2024, 14:02 | 16.6 | 16.6 mg/l |
| 15 Jul 2024, 14:52 | 16.4 | 16.4 mg/l |
| 17 Jun 2024, 12:14 | 14.8 | 14.8 mg/l |
| 1 May 2024, 11:13 | 16.2 | 16.2 mg/l |
| 4 Apr 2024, 14:03 | 11.9 | 11.9 mg/l |
| 8 Mar 2024, 14:19 | 13.7 | 13.7 mg/l |
| 12 Feb 2024, 15:00 | 10.7 | 10.7 mg/l |
| 10 Jan 2024, 09:37 | 10.8 | 10.8 mg/l |
| 5 Dec 2023, 15:11 | 10.3 | 10.3 mg/l |
| 6 Nov 2023, 14:47 | 9.49 | 9.49 mg/l |
| 13 Oct 2023, 12:11 | 7.02 | 7.02 mg/l |
Water temperature
code 0076 · °C
20 °C
Sampled 19 Aug 2026, 43 days ago · 35 results banked
Every result (35)
| Sampled | Result as published | Reads as |
|---|---|---|
| 19 Aug 2026, 09:30 | 20 | 20 °C |
| 15 Jul 2026, 10:48 | 21.5 | 21.5 °C |
| 1 Jun 2026, 16:39 | 21.4 | 21.4 °C |
| 18 May 2026, 10:43 | 14.3 | 14.3 °C |
| 24 Apr 2026, 11:56 | 15.6 | 15.6 °C |
| 26 Mar 2026, 08:19 | 6.4 | 6.4 °C |
| 9 Feb 2026, 11:30 | 7.2 | 7.2 °C |
| 12 Jan 2026, 11:41 | 6.1 | 6.1 °C |
| 8 Dec 2025, 12:00 | 8.2 | 8.2 °C |
| 20 Nov 2025, 12:32 | 3.9 | 3.9 °C |
| 21 Oct 2025, 08:55 | 12.1 | 12.1 °C |
| 17 Sep 2025, 15:30 | 15.1 | 15.1 °C |
| 6 Aug 2025, 14:01 | 20.5 | 20.5 °C |
| 15 Jul 2025, 08:58 | 19.3 | 19.3 °C |
| 24 Jun 2025, 09:30 | 18.9 | 18.9 °C |
| 13 May 2025, 11:09 | 18.3 | 18.3 °C |
| 23 Apr 2025, 12:35 | 14.5 | 14.5 °C |
| 6 Mar 2025, 16:51 | 8.4 | 8.4 °C |
| 13 Feb 2025, 11:47 | 3.9 | 3.9 °C |
| 24 Jan 2025, 16:34 | 5.3 | 5.3 °C |
| 12 Dec 2024, 12:22 | 7.2 | 7.2 °C |
| 18 Nov 2024, 12:20 | 7 | 7 °C |
| 14 Oct 2024, 15:19 | 11 | 11 °C |
| 16 Sep 2024, 10:50 | 14.8 | 14.8 °C |
| 19 Aug 2024, 14:02 | 21.9 | 21.9 °C |
| 15 Jul 2024, 14:52 | 19.1 | 19.1 °C |
| 17 Jun 2024, 12:14 | 19 | 19 °C |
| 1 May 2024, 11:13 | 15.9 | 15.9 °C |
| 4 Apr 2024, 14:03 | 12.8 | 12.8 °C |
| 8 Mar 2024, 14:19 | 8.8 | 8.8 °C |
| 12 Feb 2024, 15:00 | 7.9 | 7.9 °C |
| 10 Jan 2024, 09:37 | 4.2 | 4.2 °C |
| 5 Dec 2023, 15:11 | 5.2 | 5.2 °C |
| 6 Nov 2023, 14:47 | 10.2 | 10.2 °C |
| 13 Oct 2023, 12:11 | 17.2 | 17.2 °C |
pH
code 0061
9.03
Sampled 19 Aug 2026, 43 days ago · 35 results banked
Every result (35)
| Sampled | Result as published | Reads as |
|---|---|---|
| 19 Aug 2026, 09:30 | 9.03 | 9.03 |
| 15 Jul 2026, 10:48 | 8.12 | 8.12 |
| 1 Jun 2026, 16:39 | 8.4 | 8.4 |
| 18 May 2026, 10:43 | 8.21 | 8.21 |
| 24 Apr 2026, 11:56 | 8.33 | 8.33 |
| 26 Mar 2026, 08:19 | 8.42 | 8.42 |
| 9 Feb 2026, 11:30 | 7.96 | 7.96 |
| 12 Jan 2026, 11:41 | 7.39 | 7.39 |
| 8 Dec 2025, 12:00 | 7.67 | 7.67 |
| 20 Nov 2025, 12:32 | 8.01 | 8.01 |
| 21 Oct 2025, 08:55 | 7.79 | 7.79 |
| 17 Sep 2025, 15:30 | 8.15 | 8.15 |
| 6 Aug 2025, 14:01 | 8.78 | 8.78 |
| 15 Jul 2025, 08:58 | 8.28 | 8.28 |
| 24 Jun 2025, 09:30 | 8.11 | 8.11 |
| 13 May 2025, 11:09 | 8.1 | 8.1 |
| 23 Apr 2025, 12:35 | 8.48 | 8.48 |
| 6 Mar 2025, 16:51 | 8.07 | 8.07 |
| 13 Feb 2025, 11:47 | 8.15 | 8.15 |
| 24 Jan 2025, 16:34 | 8.05 | 8.05 |
| 12 Dec 2024, 12:22 | 7.74 | 7.74 |
| 18 Nov 2024, 12:20 | 7.89 | 7.89 |
| 14 Oct 2024, 15:19 | 7.59 | 7.59 |
| 16 Sep 2024, 10:50 | 8.16 | 8.16 |
| 19 Aug 2024, 14:02 | 8.49 | 8.49 |
| 15 Jul 2024, 14:52 | 8.62 | 8.62 |
| 17 Jun 2024, 12:14 | 8.28 | 8.28 |
| 1 May 2024, 11:13 | 8.42 | 8.42 |
| 4 Apr 2024, 14:03 | 8.01 | 8.01 |
| 8 Mar 2024, 14:19 | 7.78 | 7.78 |
| 12 Feb 2024, 15:00 | 7.31 | 7.31 |
| 10 Jan 2024, 09:37 | 7.33 | 7.33 |
| 5 Dec 2023, 15:11 | 7.56 | 7.56 |
| 6 Nov 2023, 14:47 | 7.53 | 7.53 |
| 13 Oct 2023, 12:11 | 8.01 | 8.01 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.03 mg/l (not detected above this)
Sampled 19 Aug 2026, 43 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 19 Aug 2026, 09:30 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Jul 2026, 10:48 | 0.22 | 0.22 mg/l |
| 1 Jun 2026, 16:39 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 May 2026, 10:43 | <0.03 | below 0.03 mg/l (not detected above this) |
| 24 Apr 2026, 11:56 | <0.03 | below 0.03 mg/l (not detected above this) |
| 26 Mar 2026, 08:19 | <0.03 | below 0.03 mg/l (not detected above this) |
| 9 Feb 2026, 11:30 | <0.03 | below 0.03 mg/l (not detected above this) |
| 12 Jan 2026, 11:41 | 0.057 | 0.057 mg/l |
| 8 Dec 2025, 12:00 | 0.037 | 0.037 mg/l |
| 20 Nov 2025, 12:32 | 0.15 | 0.15 mg/l |
| 21 Oct 2025, 08:55 | 0.38 | 0.38 mg/l |
| 17 Sep 2025, 15:30 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Aug 2025, 14:01 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Jul 2025, 08:58 | 0.2 | 0.2 mg/l |
| 24 Jun 2025, 09:30 | 0.14 | 0.14 mg/l |
| 13 May 2025, 11:09 | 0.047 | 0.047 mg/l |
| 23 Apr 2025, 12:35 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Mar 2025, 16:51 | <0.03 | below 0.03 mg/l (not detected above this) |
| 13 Feb 2025, 11:47 | 0.068 | 0.068 mg/l |
| 24 Jan 2025, 16:34 | 0.16 | 0.16 mg/l |
| 12 Dec 2024, 12:22 | 0.072 | 0.072 mg/l |
| 18 Nov 2024, 12:20 | 0.83 | 0.83 mg/l |
| 14 Oct 2024, 15:19 | 0.13 | 0.13 mg/l |
| 16 Sep 2024, 10:50 | <0.03 | below 0.03 mg/l (not detected above this) |
| 19 Aug 2024, 14:02 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Jul 2024, 14:52 | 0.058 | 0.058 mg/l |
| 17 Jun 2024, 12:14 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 May 2024, 11:13 | <0.03 | below 0.03 mg/l (not detected above this) |
| 8 Mar 2024, 14:19 | <0.03 | below 0.03 mg/l (not detected above this) |
| 12 Feb 2024, 15:00 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Jan 2024, 09:37 | 0.046 | 0.046 mg/l |
| 5 Dec 2023, 15:11 | 0.099 | 0.099 mg/l |
| 6 Nov 2023, 14:47 | 0.08 | 0.08 mg/l |
| 13 Oct 2023, 12:11 | 0.23 | 0.23 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
below 0.196 mg/l (not detected above this)
Sampled 19 Aug 2026, 43 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 19 Aug 2026, 09:30 | <0.196 | below 0.196 mg/l (not detected above this) |
| 15 Jul 2026, 10:48 | 0.176 | 0.176 mg/l |
| 1 Jun 2026, 16:39 | 6.91 | 6.91 mg/l |
| 18 May 2026, 10:43 | 6.94 | 6.94 mg/l |
| 24 Apr 2026, 11:56 | 7.85 | 7.85 mg/l |
| 26 Mar 2026, 08:19 | 3.77 | 3.77 mg/l |
| 9 Feb 2026, 11:30 | 7.87 | 7.87 mg/l |
| 12 Jan 2026, 11:41 | 9.77 | 9.77 mg/l |
| 8 Dec 2025, 12:00 | 6.04 | 6.04 mg/l |
| 20 Nov 2025, 12:32 | 1.94 | 1.94 mg/l |
| 21 Oct 2025, 08:55 | 0.802 | 0.802 mg/l |
| 17 Sep 2025, 15:30 | 3.63 | 3.63 mg/l |
| 6 Aug 2025, 14:01 | 5.25 | 5.25 mg/l |
| 15 Jul 2025, 08:58 | 0.204 | 0.204 mg/l |
| 24 Jun 2025, 09:30 | 4.88 | 4.88 mg/l |
| 13 May 2025, 11:09 | 6.32 | 6.32 mg/l |
| 23 Apr 2025, 12:35 | 4.72 | 4.72 mg/l |
| 6 Mar 2025, 16:51 | 6.58 | 6.58 mg/l |
| 13 Feb 2025, 11:47 | 7.18 | 7.18 mg/l |
| 24 Jan 2025, 16:34 | 5.67 | 5.67 mg/l |
| 12 Dec 2024, 12:22 | 6.76 | 6.76 mg/l |
| 18 Nov 2024, 12:20 | 0.256 | 0.256 mg/l |
| 14 Oct 2024, 15:19 | 0.738 | 0.738 mg/l |
| 16 Sep 2024, 10:50 | 0.157 | 0.157 mg/l |
| 19 Aug 2024, 14:02 | 5.34 | 5.34 mg/l |
| 15 Jul 2024, 14:52 | 3.45 | 3.45 mg/l |
| 17 Jun 2024, 12:14 | 0.233 | 0.233 mg/l |
| 1 May 2024, 11:13 | 4.37 | 4.37 mg/l |
| 8 Mar 2024, 14:19 | 11 | 11 mg/l |
| 12 Feb 2024, 15:00 | 29 | 29 mg/l |
| 10 Jan 2024, 09:37 | 28 | 28 mg/l |
| 5 Dec 2023, 15:11 | 9.06 | 9.06 mg/l |
| 6 Nov 2023, 14:47 | 16.9 | 16.9 mg/l |
| 13 Oct 2023, 12:11 | 0.416 | 0.416 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.14 mg/l
Sampled 19 Aug 2026, 43 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 19 Aug 2026, 09:30 | 0.14 | 0.14 mg/l |
| 15 Jul 2026, 10:48 | 0.13 | 0.13 mg/l |
| 1 Jun 2026, 16:39 | 0.044 | 0.044 mg/l |
| 18 May 2026, 10:43 | 0.025 | 0.025 mg/l |
| 24 Apr 2026, 11:56 | 0.041 | 0.041 mg/l |
| 26 Mar 2026, 08:19 | <0.01 | below 0.01 mg/l (not detected above this) |
| 9 Feb 2026, 11:30 | <0.01 | below 0.01 mg/l (not detected above this) |
| 12 Jan 2026, 11:41 | 0.029 | 0.029 mg/l |
| 8 Dec 2025, 12:00 | 0.034 | 0.034 mg/l |
| 20 Nov 2025, 12:32 | 0.078 | 0.078 mg/l |
| 21 Oct 2025, 08:55 | 0.058 | 0.058 mg/l |
| 17 Sep 2025, 15:30 | 0.02 | 0.02 mg/l |
| 6 Aug 2025, 14:01 | 0.048 | 0.048 mg/l |
| 15 Jul 2025, 08:58 | 0.049 | 0.049 mg/l |
| 24 Jun 2025, 09:30 | 0.094 | 0.094 mg/l |
| 13 May 2025, 11:09 | 0.042 | 0.042 mg/l |
| 23 Apr 2025, 12:35 | <0.01 | below 0.01 mg/l (not detected above this) |
| 6 Mar 2025, 16:51 | <0.01 | below 0.01 mg/l (not detected above this) |
| 13 Feb 2025, 11:47 | 0.03 | 0.03 mg/l |
| 24 Jan 2025, 16:34 | 0.1 | 0.1 mg/l |
| 12 Dec 2024, 12:22 | 0.13 | 0.13 mg/l |
| 18 Nov 2024, 12:20 | 0.38 | 0.38 mg/l |
| 14 Oct 2024, 15:19 | 0.31 | 0.31 mg/l |
| 16 Sep 2024, 10:50 | 0.31 | 0.31 mg/l |
| 19 Aug 2024, 14:02 | 0.019 | 0.019 mg/l |
| 15 Jul 2024, 14:52 | 0.075 | 0.075 mg/l |
| 17 Jun 2024, 12:14 | <0.01 | below 0.01 mg/l (not detected above this) |
| 1 May 2024, 11:13 | <0.01 | below 0.01 mg/l (not detected above this) |
| 8 Mar 2024, 14:19 | <0.01 | below 0.01 mg/l (not detected above this) |
| 12 Feb 2024, 15:00 | <0.01 | below 0.01 mg/l (not detected above this) |
| 10 Jan 2024, 09:37 | 0.029 | 0.029 mg/l |
| 5 Dec 2023, 15:11 | 0.061 | 0.061 mg/l |
| 6 Nov 2023, 14:47 | 0.038 | 0.038 mg/l |
| 13 Oct 2023, 12:11 | 0.64 | 0.64 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
6308 µS/cm
Sampled 19 Aug 2026, 43 days ago · 35 results banked
Every result (35)
| Sampled | Result as published | Reads as |
|---|---|---|
| 19 Aug 2026, 09:30 | 6308 | 6308 µS/cm |
| 15 Jul 2026, 10:48 | 2808 | 2808 µS/cm |
| 1 Jun 2026, 16:39 | 1491 | 1491 µS/cm |
| 18 May 2026, 10:43 | 429 | 429 µS/cm |
| 24 Apr 2026, 11:56 | 914 | 914 µS/cm |
| 26 Mar 2026, 08:19 | 2496 | 2496 µS/cm |
| 9 Feb 2026, 11:30 | 2735 | 2735 µS/cm |
| 12 Jan 2026, 11:41 | 2817 | 2817 µS/cm |
| 8 Dec 2025, 12:00 | 2244 | 2244 µS/cm |
| 20 Nov 2025, 12:32 | 885 | 885 µS/cm |
| 21 Oct 2025, 08:55 | 1759 | 1759 µS/cm |
| 17 Sep 2025, 15:30 | 1566 | 1566 µS/cm |
| 6 Aug 2025, 14:01 | 932 | 932 µS/cm |
| 15 Jul 2025, 08:58 | 1689 | 1689 µS/cm |
| 24 Jun 2025, 09:30 | 1981 | 1981 µS/cm |
| 13 May 2025, 11:09 | 873 | 873 µS/cm |
| 23 Apr 2025, 12:35 | 1308 | 1308 µS/cm |
| 6 Mar 2025, 16:51 | 3997 | 3997 µS/cm |
| 13 Feb 2025, 11:47 | 3981 | 3981 µS/cm |
| 24 Jan 2025, 16:34 | 3887 | 3887 µS/cm |
| 12 Dec 2024, 12:22 | 2233 | 2233 µS/cm |
| 18 Nov 2024, 12:20 | 3513 | 3513 µS/cm |
| 14 Oct 2024, 15:19 | 1384 | 1384 µS/cm |
| 16 Sep 2024, 10:50 | 959 | 959 µS/cm |
| 19 Aug 2024, 14:02 | 866 | 866 µS/cm |
| 15 Jul 2024, 14:52 | 862 | 862 µS/cm |
| 17 Jun 2024, 12:14 | 3235 | 3235 µS/cm |
| 1 May 2024, 11:13 | 3349 | 3349 µS/cm |
| 4 Apr 2024, 14:03 | 2219 | 2219 µS/cm |
| 8 Mar 2024, 14:19 | 2251 | 2251 µS/cm |
| 12 Feb 2024, 15:00 | 2678 | 2678 µS/cm |
| 10 Jan 2024, 09:37 | 2688 | 2688 µS/cm |
| 5 Dec 2023, 15:11 | 2085 | 2085 µS/cm |
| 6 Nov 2023, 14:47 | 2952 | 2952 µS/cm |
| 13 Oct 2023, 12:11 | 973 | 973 µS/cm |
Everything measured here
76 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 76 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 35 | Oct 2023 – Aug 2026 | 135.4% 19 Aug 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 35 | Oct 2023 – Aug 2026 | 12.1 mg/l 19 Aug 2026 |
| Temperature of Water 0076 | River water | 35 | Oct 2023 – Aug 2026 | 20 °C 19 Aug 2026 |
| pH 0061 | River water | 35 | Oct 2023 – Aug 2026 | 9.03 19 Aug 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 34 | Oct 2023 – Aug 2026 | below 0.03 mg/l 19 Aug 2026 |
| Nitrate as N 0117 | River water | 34 | Oct 2023 – Aug 2026 | below 0.196 mg/l 19 Aug 2026 |
| Orthophosphate, reactive as P 0180 | River water | 34 | Oct 2023 – Aug 2026 | 0.14 mg/l 19 Aug 2026 |
| Conductivity at 25 C 0077 | River water | 35 | Oct 2023 – Aug 2026 | 6308 µS/cm 19 Aug 2026 |
| 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 | River water | 2 | Jan 2024 – Jan 2025 | below 0.001 µg/l 24 Jan 2025 |
| 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 | River water | 2 | Jan 2024 – Jan 2025 | below 0.001 µg/l 24 Jan 2025 |
| 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 | River water | 2 | Jan 2024 – Jan 2025 | below 0.001 µg/l 24 Jan 2025 |
| 2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 | River water | 2 | Jan 2024 – Jan 2025 | below 0.002 µg/l 24 Jan 2025 |
| 2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| 2H,2H,3H,3H-Perfluorooctanoic acid 2989 | River water | 2 | Jan 2024 – Jan 2025 | below 0.001 µg/l 24 Jan 2025 |
| 3-Perfluoroheptylpropanoic acid 2925 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| 3:3 Fluorotelomer carboxylic acid 2926 | River water | 2 | Jan 2024 – Jan 2025 | below 0.004 µg/l 24 Jan 2025 |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 | River water | 2 | Jan 2024 – Jan 2025 | below 0.005 µg/l 24 Jan 2025 |
| 4:2 Fluorotelomer sulfonic acid 2987 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| 6:2 Fluorotelomer sulfonic acid 2984 | River water | 2 | Jan 2024 – Jan 2025 | below 0.001 µg/l 24 Jan 2025 |
| 8:2 Fluorotelomer sulfonic acid 2983 | River water | 2 | Jan 2024 – Jan 2025 | below 0.001 µg/l 24 Jan 2025 |
| 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 34 | Oct 2023 – Aug 2026 | 190 mg/l 19 Aug 2026 |
| Alkalinity, Dissolved as CaCO3 7867 | River water | 5 | Apr 2026 – Aug 2026 | 180 mg/l 19 Aug 2026 |
| Ammonia un-ionised as N 0119 | River water | 34 | Oct 2023 – Aug 2026 | below 0.00113 mg/l 19 Aug 2026 |
| Ammoniacal Nitrogen, Filtered as N 9993 | River water | 5 | Apr 2026 – Aug 2026 | below 0.03 mg/l 19 Aug 2026 |
| BOD : 5 Day ATU 0085 | River water | 24 | Jun 2024 – May 2026 | 5.7 mg/l 18 May 2026 |
| Carbon, Organic, Dissolved as C :- {DOC} 0301 | River water | 33 | Oct 2023 – Aug 2026 | 13 mg/l 19 Aug 2026 |
| Chloride 0172 | River water | 34 | Oct 2023 – Aug 2026 | 1800 mg/l 19 Aug 2026 |
| Chloride, GF/C Filtered 7190 | River water | 5 | Apr 2026 – Aug 2026 | 1700 mg/l 19 Aug 2026 |
| Flow Type 2896 | River water | 20 | Sep 2024 – Aug 2026 | Moderate Flow 19 Aug 2026 |
| GCMS Screen : Target Based multi-residue screening : Semi Quantitative 4994 | River water | 3 | Jan 2026 – Jul 2026 | 1 text result 15 Jul 2026 |
| Hexafluoropropylene oxide dimer acid (Gen X) 2981 | River water | 2 | Jan 2024 – Jan 2025 | below 0.001 µg/l 24 Jan 2025 |
| LCMS Screen : Semi Quantitative 7299 | River water | 2 | Mar 2026 – Jun 2026 | 1 text result 1 Jun 2026 |
| N-Ethylperfluorooctanesulfonamide 2977 | River water | 2 | Jan 2024 – Jan 2025 | below 0.002 µg/l 24 Jan 2025 |
| N-methylperfluorooctanesulfonamide 2975 | River water | 2 | Jan 2024 – Jan 2025 | below 0.002 µg/l 24 Jan 2025 |
| Nitrite as N 0118 | River water | 34 | Oct 2023 – Aug 2026 | below 0.004 mg/l 19 Aug 2026 |
| Nitrite, Filtered as N 6485 | River water | 5 | Apr 2026 – Aug 2026 | below 0.004 mg/l 19 Aug 2026 |
| Nitrogen, Total as N 9686 | River water | 34 | Oct 2023 – Aug 2026 | 2.9 mg/l 19 Aug 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 34 | Oct 2023 – Aug 2026 | below 0.2 mg/l 19 Aug 2026 |
| Nitrogen, Total Oxidised, Filtered as N 9943 | River water | 5 | Apr 2026 – Aug 2026 | below 0.2 mg/l 19 Aug 2026 |
| Orthophosphate, Filtered as P 9856 | River water | 5 | Apr 2026 – Aug 2026 | 0.15 mg/l 19 Aug 2026 |
| Perfluoro(2-ethoxyethane)sulfonic acid 2924 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluoro(4-methoxybutanoic) acid 2923 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluoro-3,6-dioxaheptanoic acid 2922 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluoro-3-methoxypropanoic acid 2921 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluoro-4-ethylcyclohexanesulfonic acid 2973 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluorobutanesulfonic acid 2972 | River water | 2 | Jan 2024 – Jan 2025 | below 0.001 µg/l 24 Jan 2025 |
| Perfluorobutanoic acid 2995 | River water | 2 | Jan 2024 – Jan 2025 | 0.0021 µg/l 24 Jan 2025 |
| Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluorodecanesulfonic acid 2969 | River water | 2 | Jan 2024 – Jan 2025 | below 0.002 µg/l 24 Jan 2025 |
| Perfluorodecanoic acid 8892 | River water | 2 | Jan 2024 – Jan 2025 | below 0.002 µg/l 24 Jan 2025 |
| Perfluorododecane sulfonic acid 2968 | River water | 2 | Jan 2024 – Jan 2025 | below 0.005 µg/l 24 Jan 2025 |
| Perfluorododecanoic acid 8894 | River water | 2 | Jan 2024 – Jan 2025 | below 0.002 µg/l 24 Jan 2025 |
| Perfluoroheptanesulfonic acid 2967 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluoroheptanoic acid 8889 | River water | 2 | Jan 2024 – Jan 2025 | below 0.001 µg/l 24 Jan 2025 |
| Perfluorohexanesulfonamide 2965 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluorohexanesulfonic acid (B) 2944 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluorohexanesulfonic acid (L) 2964 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluorohexanoic acid 8888 | River water | 2 | Jan 2024 – Jan 2025 | 0.00082 µg/l 24 Jan 2025 |
| Perfluorononanesulfonic acid 2963 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluorononanoic acid 8891 | River water | 2 | Jan 2024 – Jan 2025 | below 0.001 µg/l 24 Jan 2025 |
| Perfluorooctadecanoic acid 2962 | River water | 2 | Jan 2024 – Jan 2025 | below 0.002 µg/l 24 Jan 2025 |
| Perfluorooctanesulfonamide 2961 | River water | 2 | Jan 2024 – Jan 2025 | below 0.001 µg/l 24 Jan 2025 |
| Perfluorooctanesulfonic acid (branched) 2960 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluorooctanesulfonic acid (linear) 2959 | River water | 2 | Jan 2024 – Jan 2025 | 0.00069 µg/l 24 Jan 2025 |
| Perfluorooctanoic acid 8890 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluoropentanesulfonic acid 2957 | River water | 2 | Jan 2024 – Jan 2025 | below 0.0005 µg/l 24 Jan 2025 |
| Perfluoropentanoic acid 8887 | River water | 2 | Jan 2024 – Jan 2025 | 0.0018 µg/l 24 Jan 2025 |
| Perfluorotetradecanoic acid 8895 | River water | 2 | Jan 2024 – Jan 2025 | below 0.006 µg/l 24 Jan 2025 |
| Perfluorotridecanoic acid 2955 | River water | 2 | Jan 2024 – Jan 2025 | below 0.005 µg/l 24 Jan 2025 |
| Perfluoroundecane sulfonic acid 2953 | River water | 2 | Jan 2024 – Jan 2025 | below 0.004 µg/l 24 Jan 2025 |
| Perfluoroundecanoic acid 8893 | River water | 2 | Jan 2024 – Jan 2025 | below 0.002 µg/l 24 Jan 2025 |
| Phosphorus, Total as P 0348 | River water | 34 | Oct 2023 – Aug 2026 | 0.44 mg/l 19 Aug 2026 |
| Silica, reactive as SiO2 0182 | River water | 34 | Oct 2023 – Aug 2026 | 0.22 mg/l 19 Aug 2026 |
| Silicate, Filtered as SiO2 9857 | River water | 5 | Apr 2026 – Aug 2026 | 0.47 mg/l 19 Aug 2026 |
| Solids, Suspended at 105 C 0135 | River water | 9 | Dec 2025 – Aug 2026 | 72 mg/l 19 Aug 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.