Nidd at Killinghall downstream of A61 Road Bridge
EA name: NIDD AT KILLINGHALL D/S A61 ROAD BRIDGE
Environment Agency sampling point NE-49800080 · 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
- 17 Sep 2026, 11:5114 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 35 since 3 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) · results completed 19 Sep 2026
- Where
- National Grid 428908, 459670As published, to the nearest 1 m. Open in a map
- River, by its own name
- Nidd
- River, by the map
- River NiddPlaced on the river its name gives, 2 m from the line.
- Next gauge downstream
- Hunsingore On the River Nidd · 27 km along the river
- Nearest gauge upstream
- Birstwith On the River Nidd · 7.4 km along the river
- Why it was sampled
- Environmental monitoring statutory (EU directives) (28 samples)
Monitoring (national agency policy) (7 samples)
Results here were completed a median of 3 days after the sample was taken (2 to 8 days, 13 samples).
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
90.6%
Sampled 17 Sep 2026, 14 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:51 | 90.6 | 90.6% |
| 28 Aug 2026, 13:28 | 89.1 | 89.1% |
| 9 Jul 2026, 11:38 | 89.6 | 89.6% |
| 19 Jun 2026, 11:12 | 94.3 | 94.3% |
| 29 May 2026, 11:51 | 93.8 | 93.8% |
| 21 Apr 2026, 11:43 | 100.1 | 100.1% |
| 23 Mar 2026, 12:52 | 100 | 100% |
| 13 Feb 2026, 11:57 | 101.3 | 101.3% |
| 28 Jan 2026, 12:03 | 101.1 | 101.1% |
| 10 Dec 2025, 11:18 | 99.7 | 99.7% |
| 17 Nov 2025, 10:31 | 98 | 98% |
| 17 Oct 2025, 10:19 | 93 | 93% |
| 30 Sep 2025, 13:17 | 97.5 | 97.5% |
| 8 Aug 2025, 11:48 | 91.8 | 91.8% |
| 28 Jul 2025, 12:40 | 96.9 | 96.9% |
| 11 Jun 2025, 12:21 | 96.9 | 96.9% |
| 13 May 2025, 11:24 | 94.3 | 94.3% |
| 2 Apr 2025, 12:23 | 103.7 | 103.7% |
| 4 Mar 2025, 11:25 | 100.7 | 100.7% |
| 4 Feb 2025, 12:56 | 100.1 | 100.1% |
| 14 Jan 2025, 11:04 | 102 | 102% |
| 4 Dec 2024, 12:55 | 98.6 | 98.6% |
| 5 Nov 2024, 12:43 | 93.8 | 93.8% |
| 9 Oct 2024, 10:09 | 99.8 | 99.8% |
| 6 Sep 2024, 12:25 | 95.3 | 95.3% |
| 2 Aug 2024, 12:18 | 94.7 | 94.7% |
| 1 Jul 2024, 13:44 | 97.8 | 97.8% |
| 7 Jun 2024, 10:29 | 93.4 | 93.4% |
Dissolved oxygen
as O2 · code 9924 · mg/l
9.27 mg/l
Sampled 17 Sep 2026, 14 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:51 | 9.27 | 9.27 mg/l |
| 28 Aug 2026, 13:28 | 8.59 | 8.59 mg/l |
| 9 Jul 2026, 11:38 | 8.24 | 8.24 mg/l |
| 19 Jun 2026, 11:12 | 9.24 | 9.24 mg/l |
| 29 May 2026, 11:51 | 9.16 | 9.16 mg/l |
| 21 Apr 2026, 11:43 | 11.2 | 11.2 mg/l |
| 23 Mar 2026, 12:52 | 11.8 | 11.8 mg/l |
| 13 Feb 2026, 11:57 | 12.9 | 12.9 mg/l |
| 28 Jan 2026, 12:03 | 13 | 13 mg/l |
| 10 Dec 2025, 11:18 | 11.8 | 11.8 mg/l |
| 17 Nov 2025, 10:31 | 11.7 | 11.7 mg/l |
| 17 Oct 2025, 10:19 | 10.3 | 10.3 mg/l |
| 30 Sep 2025, 13:17 | 10.5 | 10.5 mg/l |
| 8 Aug 2025, 11:48 | 9.1 | 9.1 mg/l |
| 28 Jul 2025, 12:40 | 9.34 | 9.34 mg/l |
| 11 Jun 2025, 12:21 | 9.7 | 9.7 mg/l |
| 13 May 2025, 11:24 | 9.55 | 9.55 mg/l |
| 2 Apr 2025, 12:23 | 11.9 | 11.9 mg/l |
| 4 Mar 2025, 11:25 | 12.3 | 12.3 mg/l |
| 4 Feb 2025, 12:56 | 12.3 | 12.3 mg/l |
| 14 Jan 2025, 11:04 | 13.5 | 13.5 mg/l |
| 4 Dec 2024, 12:55 | 12.3 | 12.3 mg/l |
| 5 Nov 2024, 12:43 | 10.5 | 10.5 mg/l |
| 9 Oct 2024, 10:09 | 10.8 | 10.8 mg/l |
| 6 Sep 2024, 12:25 | 9.38 | 9.38 mg/l |
| 2 Aug 2024, 12:18 | 8.85 | 8.85 mg/l |
| 1 Jul 2024, 13:44 | 9.97 | 9.97 mg/l |
| 7 Jun 2024, 10:29 | 10 | 10 mg/l |
Water temperature
code 0076 · °C
14.2 °C
Sampled 17 Sep 2026, 14 days ago · 35 results banked
Every result (35)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:51 | 14.2 | 14.2 °C |
| 28 Aug 2026, 13:28 | 17 | 17 °C |
| 9 Jul 2026, 11:38 | 19.3 | 19.3 °C |
| 19 Jun 2026, 11:12 | 16.2 | 16.2 °C |
| 29 May 2026, 11:51 | 16.4 | 16.4 °C |
| 21 Apr 2026, 11:43 | 10.3 | 10.3 °C |
| 23 Mar 2026, 12:52 | 8 | 8 °C |
| 13 Feb 2026, 11:57 | 5.1 | 5.1 °C |
| 28 Jan 2026, 12:03 | 4.8 | 4.8 °C |
| 10 Dec 2025, 11:18 | 7.9 | 7.9 °C |
| 17 Nov 2025, 10:31 | 7.7 | 7.7 °C |
| 17 Oct 2025, 10:19 | 10.7 | 10.7 °C |
| 30 Sep 2025, 13:17 | 11.9 | 11.9 °C |
| 8 Aug 2025, 11:48 | 15.7 | 15.7 °C |
| 28 Jul 2025, 12:40 | 17 | 17 °C |
| 11 Jun 2025, 12:21 | 15.2 | 15.2 °C |
| 13 May 2025, 11:24 | 14.7 | 14.7 °C |
| 2 Apr 2025, 12:23 | 9.2 | 9.2 °C |
| 4 Mar 2025, 11:25 | 6.6 | 6.6 °C |
| 4 Feb 2025, 12:56 | 6.4 | 6.4 °C |
| 14 Jan 2025, 11:04 | 3.6 | 3.6 °C |
| 4 Dec 2024, 12:55 | 6 | 6 °C |
| 5 Nov 2024, 12:43 | 10.2 | 10.2 °C |
| 9 Oct 2024, 10:09 | 11.8 | 11.8 °C |
| 6 Sep 2024, 12:25 | 16 | 16 °C |
| 2 Aug 2024, 12:18 | 18.5 | 18.5 °C |
| 1 Jul 2024, 13:44 | 14.4 | 14.4 °C |
| 7 Jun 2024, 10:29 | 12.2 | 12.2 °C |
| 1 Mar 2024, 12:28 | 5.2 | 5.2 °C |
| 6 Feb 2024, 12:29 | 7.8 | 7.8 °C |
| 8 Jan 2024, 14:11 | 5.7 | 5.7 °C |
| 8 Dec 2023, 11:44 | 4.9 | 4.9 °C |
| 24 Nov 2023, 13:26 | 7.4 | 7.4 °C |
| 7 Nov 2023, 12:48 | 9.3 | 9.3 °C |
| 3 Oct 2023, 11:42 | 12.8 | 12.8 °C |
pH
code 0061
7.55
Sampled 17 Sep 2026, 14 days ago · 35 results banked
Every result (35)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:51 | 7.55 | 7.55 |
| 28 Aug 2026, 13:28 | 7.55 | 7.55 |
| 9 Jul 2026, 11:38 | 7.69 | 7.69 |
| 19 Jun 2026, 11:12 | 7.87 | 7.87 |
| 29 May 2026, 11:51 | 7.81 | 7.81 |
| 21 Apr 2026, 11:43 | 7.81 | 7.81 |
| 23 Mar 2026, 12:52 | 7.65 | 7.65 |
| 13 Feb 2026, 11:57 | 7.64 | 7.64 |
| 28 Jan 2026, 12:03 | 7.49 | 7.49 |
| 10 Dec 2025, 11:18 | 7.34 | 7.34 |
| 17 Nov 2025, 10:31 | 7.52 | 7.52 |
| 17 Oct 2025, 10:19 | 7.72 | 7.72 |
| 30 Sep 2025, 13:17 | 7.44 | 7.44 |
| 8 Aug 2025, 11:48 | 7.56 | 7.56 |
| 28 Jul 2025, 12:40 | 7.56 | 7.56 |
| 11 Jun 2025, 12:21 | 7.6 | 7.6 |
| 13 May 2025, 11:24 | 7.9 | 7.9 |
| 2 Apr 2025, 12:23 | 7.95 | 7.95 |
| 4 Mar 2025, 11:25 | 7.64 | 7.64 |
| 4 Feb 2025, 12:56 | 7.56 | 7.56 |
| 14 Jan 2025, 11:04 | 7.39 | 7.39 |
| 4 Dec 2024, 12:55 | 7.61 | 7.61 |
| 5 Nov 2024, 12:43 | 7.74 | 7.74 |
| 9 Oct 2024, 10:09 | 7.63 | 7.63 |
| 6 Sep 2024, 12:25 | 7.77 | 7.77 |
| 2 Aug 2024, 12:18 | 7.73 | 7.73 |
| 1 Jul 2024, 13:44 | 7.82 | 7.82 |
| 7 Jun 2024, 10:29 | 7.8 | 7.8 |
| 1 Mar 2024, 12:28 | 7.6 | 7.6 |
| 6 Feb 2024, 12:29 | 7.5 | 7.5 |
| 8 Jan 2024, 14:11 | 7.3 | 7.3 |
| 8 Dec 2023, 11:44 | 7.3 | 7.3 |
| 24 Nov 2023, 13:26 | 7.5 | 7.5 |
| 7 Nov 2023, 12:48 | 7.4 | 7.4 |
| 3 Oct 2023, 11:42 | 7.7 | 7.7 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.043 mg/l
Sampled 17 Sep 2026, 14 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:51 | 0.043 | 0.043 mg/l |
| 28 Aug 2026, 13:28 | <0.03 | below 0.03 mg/l (not detected above this) |
| 9 Jul 2026, 11:38 | <0.03 | below 0.03 mg/l (not detected above this) |
| 19 Jun 2026, 11:12 | 0.037 | 0.037 mg/l |
| 29 May 2026, 11:51 | <0.03 | below 0.03 mg/l (not detected above this) |
| 21 Apr 2026, 11:43 | <0.03 | below 0.03 mg/l (not detected above this) |
| 23 Mar 2026, 12:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 13 Feb 2026, 11:57 | 0.042 | 0.042 mg/l |
| 28 Jan 2026, 12:03 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Dec 2025, 11:18 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Nov 2025, 10:31 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Oct 2025, 10:19 | <0.03 | below 0.03 mg/l (not detected above this) |
| 30 Sep 2025, 13:17 | 0.032 | 0.032 mg/l |
| 8 Aug 2025, 11:48 | <0.03 | below 0.03 mg/l (not detected above this) |
| 28 Jul 2025, 12:40 | <0.03 | below 0.03 mg/l (not detected above this) |
| 11 Jun 2025, 12:21 | 0.034 | 0.034 mg/l |
| 13 May 2025, 11:24 | 0.061 | 0.061 mg/l |
| 4 Mar 2025, 11:25 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Feb 2025, 12:56 | 0.035 | 0.035 mg/l |
| 14 Jan 2025, 11:04 | 0.089 | 0.089 mg/l |
| 4 Dec 2024, 12:55 | 0.042 | 0.042 mg/l |
| 5 Nov 2024, 12:43 | 0.04 | 0.04 mg/l |
| 9 Oct 2024, 10:09 | 0.055 | 0.055 mg/l |
| 6 Sep 2024, 12:25 | 0.037 | 0.037 mg/l |
| 2 Aug 2024, 12:18 | 0.032 | 0.032 mg/l |
| 1 Jul 2024, 13:44 | 0.033 | 0.033 mg/l |
| 7 Jun 2024, 10:29 | 0.032 | 0.032 mg/l |
| 1 Mar 2024, 12:28 | 0.041 | 0.041 mg/l |
| 6 Feb 2024, 12:29 | 0.039 | 0.039 mg/l |
| 8 Jan 2024, 14:11 | <0.03 | below 0.03 mg/l (not detected above this) |
| 8 Dec 2023, 11:44 | 0.047 | 0.047 mg/l |
| 24 Nov 2023, 13:26 | 0.037 | 0.037 mg/l |
| 7 Nov 2023, 12:48 | 0.044 | 0.044 mg/l |
| 3 Oct 2023, 11:42 | 0.067 | 0.067 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
0.805 mg/l
Sampled 17 Sep 2026, 14 days ago · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:51 | 0.805 | 0.805 mg/l |
| 28 Aug 2026, 13:28 | 0.326 | 0.326 mg/l |
| 9 Jul 2026, 11:38 | 0.866 | 0.866 mg/l |
| 19 Jun 2026, 11:12 | 0.864 | 0.864 mg/l |
| 29 May 2026, 11:51 | 1.09 | 1.09 mg/l |
| 21 Apr 2026, 11:43 | 1.19 | 1.19 mg/l |
| 23 Mar 2026, 12:52 | 1.4 | 1.4 mg/l |
| 13 Feb 2026, 11:57 | 1.5 | 1.5 mg/l |
| 28 Jan 2026, 12:03 | 1.6 | 1.6 mg/l |
| 10 Dec 2025, 11:18 | 1.3 | 1.3 mg/l |
| 17 Nov 2025, 10:31 | 1.5 | 1.5 mg/l |
| 17 Oct 2025, 10:19 | 1.09 | 1.09 mg/l |
| 30 Sep 2025, 13:17 | 0.866 | 0.866 mg/l |
| 8 Aug 2025, 11:48 | 0.666 | 0.666 mg/l |
| 28 Jul 2025, 12:40 | 0.875 | 0.875 mg/l |
| 11 Jun 2025, 12:21 | 0.866 | 0.866 mg/l |
| 13 May 2025, 11:24 | 1.08 | 1.08 mg/l |
| 4 Mar 2025, 11:25 | 1.59 | 1.59 mg/l |
| 4 Feb 2025, 12:56 | 1.59 | 1.59 mg/l |
| 14 Jan 2025, 11:04 | 1.49 | 1.49 mg/l |
| 4 Dec 2024, 12:55 | 1.39 | 1.39 mg/l |
| 5 Nov 2024, 12:43 | 0.989 | 0.989 mg/l |
| 9 Oct 2024, 10:09 | 1.79 | 1.79 mg/l |
| 6 Sep 2024, 12:25 | 0.963 | 0.963 mg/l |
| 2 Aug 2024, 12:18 | 0.932 | 0.932 mg/l |
| 1 Jul 2024, 13:44 | 1.29 | 1.29 mg/l |
| 7 Jun 2024, 10:29 | 1.29 | 1.29 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.064 mg/l
Sampled 17 Sep 2026, 14 days ago · 34 results banked
Every result (34)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:51 | 0.064 | 0.064 mg/l |
| 28 Aug 2026, 13:28 | 0.052 | 0.052 mg/l |
| 9 Jul 2026, 11:38 | 0.058 | 0.058 mg/l |
| 19 Jun 2026, 11:12 | 0.048 | 0.048 mg/l |
| 29 May 2026, 11:51 | 0.065 | 0.065 mg/l |
| 21 Apr 2026, 11:43 | 0.033 | 0.033 mg/l |
| 23 Mar 2026, 12:52 | 0.038 | 0.038 mg/l |
| 13 Feb 2026, 11:57 | 0.044 | 0.044 mg/l |
| 28 Jan 2026, 12:03 | 0.019 | 0.019 mg/l |
| 10 Dec 2025, 11:18 | 0.021 | 0.021 mg/l |
| 17 Nov 2025, 10:31 | 0.032 | 0.032 mg/l |
| 17 Oct 2025, 10:19 | 0.035 | 0.035 mg/l |
| 30 Sep 2025, 13:17 | 0.026 | 0.026 mg/l |
| 8 Aug 2025, 11:48 | 0.049 | 0.049 mg/l |
| 28 Jul 2025, 12:40 | 0.061 | 0.061 mg/l |
| 11 Jun 2025, 12:21 | 0.044 | 0.044 mg/l |
| 13 May 2025, 11:24 | 0.066 | 0.066 mg/l |
| 4 Mar 2025, 11:25 | 0.021 | 0.021 mg/l |
| 4 Feb 2025, 12:56 | 0.025 | 0.025 mg/l |
| 14 Jan 2025, 11:04 | 0.11 | 0.11 mg/l |
| 4 Dec 2024, 12:55 | 0.026 | 0.026 mg/l |
| 5 Nov 2024, 12:43 | 0.038 | 0.038 mg/l |
| 9 Oct 2024, 10:09 | 0.13 | 0.13 mg/l |
| 6 Sep 2024, 12:25 | 0.086 | 0.086 mg/l |
| 2 Aug 2024, 12:18 | 0.065 | 0.065 mg/l |
| 1 Jul 2024, 13:44 | 0.073 | 0.073 mg/l |
| 7 Jun 2024, 10:29 | 0.054 | 0.054 mg/l |
| 1 Mar 2024, 12:28 | 0.026 | 0.026 mg/l |
| 6 Feb 2024, 12:29 | 0.027 | 0.027 mg/l |
| 8 Jan 2024, 14:11 | 0.029 | 0.029 mg/l |
| 8 Dec 2023, 11:44 | 0.02 | 0.02 mg/l |
| 24 Nov 2023, 13:26 | 0.034 | 0.034 mg/l |
| 7 Nov 2023, 12:48 | 0.029 | 0.029 mg/l |
| 3 Oct 2023, 11:42 | 0.058 | 0.058 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
226 µS/cm
Sampled 17 Sep 2026, 14 days ago · 35 results banked
Every result (35)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:51 | 226 | 226 µS/cm |
| 28 Aug 2026, 13:28 | 236 | 236 µS/cm |
| 9 Jul 2026, 11:38 | 203 | 203 µS/cm |
| 19 Jun 2026, 11:12 | 198 | 198 µS/cm |
| 29 May 2026, 11:51 | 197 | 197 µS/cm |
| 21 Apr 2026, 11:43 | 184 | 184 µS/cm |
| 23 Mar 2026, 12:52 | 155 | 155 µS/cm |
| 13 Feb 2026, 11:57 | 149 | 149 µS/cm |
| 28 Jan 2026, 12:03 | 102 | 102 µS/cm |
| 10 Dec 2025, 11:18 | 102 | 102 µS/cm |
| 17 Nov 2025, 10:31 | 127 | 127 µS/cm |
| 17 Oct 2025, 10:19 | 171 | 171 µS/cm |
| 30 Sep 2025, 13:17 | 139 | 139 µS/cm |
| 8 Aug 2025, 11:48 | 214 | 214 µS/cm |
| 28 Jul 2025, 12:40 | 209 | 209 µS/cm |
| 11 Jun 2025, 12:21 | 166 | 166 µS/cm |
| 13 May 2025, 11:24 | 244 | 244 µS/cm |
| 2 Apr 2025, 12:23 | 200 | 200 µS/cm |
| 4 Mar 2025, 11:25 | 163 | 163 µS/cm |
| 4 Feb 2025, 12:56 | 152 | 152 µS/cm |
| 14 Jan 2025, 11:04 | 134 | 134 µS/cm |
| 4 Dec 2024, 12:55 | 152 | 152 µS/cm |
| 5 Nov 2024, 12:43 | 156 | 156 µS/cm |
| 9 Oct 2024, 10:09 | 179 | 179 µS/cm |
| 6 Sep 2024, 12:25 | 227 | 227 µS/cm |
| 2 Aug 2024, 12:18 | 217 | 217 µS/cm |
| 1 Jul 2024, 13:44 | 223 | 223 µS/cm |
| 7 Jun 2024, 10:29 | 184 | 184 µS/cm |
| 1 Mar 2024, 12:28 | 144 | 144 µS/cm |
| 6 Feb 2024, 12:29 | 116 | 116 µS/cm |
| 8 Jan 2024, 14:11 | 146 | 146 µS/cm |
| 8 Dec 2023, 11:44 | 101 | 101 µS/cm |
| 24 Nov 2023, 13:26 | 142 | 142 µS/cm |
| 7 Nov 2023, 12:48 | 127 | 127 µS/cm |
| 3 Oct 2023, 11:42 | 163 | 163 µS/cm |
Everything measured here
58 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 58 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 28 | Jun 2024 – Sep 2026 | 90.6% 17 Sep 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 28 | Jun 2024 – Sep 2026 | 9.27 mg/l 17 Sep 2026 |
| Temperature of Water 0076 | River water | 35 | Oct 2023 – Sep 2026 | 14.2 °C 17 Sep 2026 |
| pH 0061 | River water | 35 | Oct 2023 – Sep 2026 | 7.55 17 Sep 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 34 | Oct 2023 – Sep 2026 | 0.043 mg/l 17 Sep 2026 |
| Nitrate as N 0117 | River water | 27 | Jun 2024 – Sep 2026 | 0.805 mg/l 17 Sep 2026 |
| Orthophosphate, reactive as P 0180 | River water | 34 | Oct 2023 – Sep 2026 | 0.064 mg/l 17 Sep 2026 |
| Conductivity at 25 C 0077 | River water | 35 | Oct 2023 – Sep 2026 | 226 µS/cm 17 Sep 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 34 | Oct 2023 – Sep 2026 | 75 mg/l 17 Sep 2026 |
| Ammonia un-ionised as N 0119 | River water | 27 | Jun 2024 – Sep 2026 | 0.00038 mg/l 17 Sep 2026 |
| Barium 6062 | River water | 7 | Oct 2023 – Mar 2024 | 71 µg/l 1 Mar 2024 |
| Barium, Dissolved 9446 | River water | 7 | Oct 2023 – Mar 2024 | 63 µg/l 1 Mar 2024 |
| Boron 6059 | River water | 7 | Oct 2023 – Mar 2024 | below 100 µg/l 1 Mar 2024 |
| Boron, Dissolved 9447 | River water | 7 | Oct 2023 – Mar 2024 | below 100 µg/l 1 Mar 2024 |
| Cadmium 0108 | River water | 7 | Oct 2023 – Mar 2024 | 0.19 µg/l 1 Mar 2024 |
| Cadmium, Dissolved 0106 | River water | 7 | Oct 2023 – Mar 2024 | 0.14 µg/l 1 Mar 2024 |
| Calcium 0241 | River water | 7 | Oct 2023 – Mar 2024 | 14 mg/l 1 Mar 2024 |
| Calcium, Dissolved 0239 | River water | 7 | Oct 2023 – Mar 2024 | 14 mg/l 1 Mar 2024 |
| Carbon, Organic, Dissolved as C :- {DOC} 0301 | River water | 7 | Oct 2023 – Mar 2024 | 7.1 mg/l 1 Mar 2024 |
| Chloride 0172 | River water | 7 | Oct 2023 – Mar 2024 | 12 mg/l 1 Mar 2024 |
| Chromium 3164 | River water | 7 | Oct 2023 – Mar 2024 | 0.75 µg/l 1 Mar 2024 |
| Chromium, Dissolved 3409 | River water | 7 | Oct 2023 – Mar 2024 | below 0.5 µg/l 1 Mar 2024 |
| Copper 6452 | River water | 7 | Oct 2023 – Mar 2024 | 1.8 µg/l 1 Mar 2024 |
| Copper : BLM Bioavailable 4821 | River water | 7 | Oct 2023 – Mar 2024 | 0.04 µg/l 1 Mar 2024 |
| Copper, Dissolved 6450 | River water | 7 | Oct 2023 – Mar 2024 | 1.3 µg/l 1 Mar 2024 |
| Hardness, Total as CaCO3 0158 | River water | 7 | Oct 2023 – Mar 2024 | 49.4 mg/l 1 Mar 2024 |
| Ionic Balance 7044 | River water | 7 | Oct 2023 – Mar 2024 | -1.13% 1 Mar 2024 |
| Iron 6051 | River water | 7 | Oct 2023 – Mar 2024 | 780 µg/l 1 Mar 2024 |
| Iron, Dissolved 6460 | River water | 7 | Oct 2023 – Mar 2024 | 290 µg/l 1 Mar 2024 |
| Lead 0050 | River water | 7 | Oct 2023 – Mar 2024 | 6.1 µg/l 1 Mar 2024 |
| Lead : BLM Bioavailable 3377 | River water | 7 | Oct 2023 – Mar 2024 | 0.31 µg/l 1 Mar 2024 |
| Lead, Dissolved 0052 | River water | 7 | Oct 2023 – Mar 2024 | 2.2 µg/l 1 Mar 2024 |
| Lithium 6064 | River water | 7 | Oct 2023 – Mar 2024 | below 100 µg/l 1 Mar 2024 |
| Lithium, Dissolved 4201 | River water | 7 | Oct 2023 – Mar 2024 | below 100 µg/l 1 Mar 2024 |
| Magnesium 0237 | River water | 7 | Oct 2023 – Mar 2024 | 3.7 mg/l 1 Mar 2024 |
| Magnesium, Dissolved 0235 | River water | 7 | Oct 2023 – Mar 2024 | 3.5 mg/l 1 Mar 2024 |
| Manganese 6050 | River water | 7 | Oct 2023 – Mar 2024 | 44 µg/l 1 Mar 2024 |
| Manganese : BLM Bioavailable 4820 | River water | 7 | Oct 2023 – Mar 2024 | 14 µg/l 1 Mar 2024 |
| Manganese, Dissolved 6458 | River water | 7 | Oct 2023 – Mar 2024 | 30 µg/l 1 Mar 2024 |
| Nickel 6462 | River water | 7 | Oct 2023 – Mar 2024 | 2.3 µg/l 1 Mar 2024 |
| Nickel : BLM Bioavailable 3878 | River water | 7 | Oct 2023 – Mar 2024 | 0.52 µg/l 1 Mar 2024 |
| Nickel, Dissolved 3410 | River water | 7 | Oct 2023 – Mar 2024 | 1.9 µg/l 1 Mar 2024 |
| Nitrite as N 0118 | River water | 34 | Oct 2023 – Sep 2026 | 0.0054 mg/l 17 Sep 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 34 | Oct 2023 – Sep 2026 | 0.81 mg/l 17 Sep 2026 |
| pH : In Situ 3169 | River water | 1 | Nov 2023 – Nov 2023 | 7.47 24 Nov 2023 |
| Potassium 0211 | River water | 7 | Oct 2023 – Mar 2024 | 2.1 mg/l 1 Mar 2024 |
| Potassium, Dissolved 0209 | River water | 7 | Oct 2023 – Mar 2024 | 1.9 mg/l 1 Mar 2024 |
| Silica, reactive as SiO2 0182 | River water | 7 | Oct 2023 – Mar 2024 | 6.2 mg/l 1 Mar 2024 |
| Sodium 0207 | River water | 7 | Oct 2023 – Mar 2024 | 8.1 mg/l 1 Mar 2024 |
| Sodium, Dissolved 0205 | River water | 7 | Oct 2023 – Mar 2024 | 8.3 mg/l 1 Mar 2024 |
| Solids, Suspended at 105 C 0135 | River water | 7 | Oct 2023 – Mar 2024 | 12 mg/l 1 Mar 2024 |
| Strontium 6063 | River water | 7 | Oct 2023 – Mar 2024 | 60 µg/l 1 Mar 2024 |
| Strontium, Filtered 6693 | River water | 7 | Oct 2023 – Mar 2024 | 59 µg/l 1 Mar 2024 |
| Sulphate as SO4 0183 | River water | 7 | Oct 2023 – Mar 2024 | 11 mg/l 1 Mar 2024 |
| Sulphate, Dissolved as SO4 7859 | River water | 7 | Oct 2023 – Mar 2024 | 10 mg/l 1 Mar 2024 |
| Zinc 6455 | River water | 7 | Oct 2023 – Mar 2024 | 30 µg/l 1 Mar 2024 |
| Zinc : BLM Bioavailable 4822 | River water | 7 | Oct 2023 – Mar 2024 | 7.4 µg/l 1 Mar 2024 |
| Zinc, Dissolved 3408 | River water | 7 | Oct 2023 – Mar 2024 | 23 µg/l 1 Mar 2024 |
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.