Spen Gill at Spens Gill Wood
EA name: SSN0294 SPEN GILL @ SPENS GILL WOOD
Environment Agency sampling point NW-SSN0294 · 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
- 9 Sep 2026, 12:5522 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 22 since 8 Jan 2025 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 363863, 466801As published, to the nearest 1 m. Open in a map
- River, by its own name
- Spen Gill
- River, by the map
- Not placedNearest line is 114 m away and its name does not agree. The river map cannot say which watercourse this is.
- Next gauge downstream
- Not known
- Why it was sampled
- Monitoring (national agency policy) (22 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
100.3%
Sampled 9 Sep 2026, 22 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 12:55 | 100.3 | 100.3% |
| 10 Aug 2026, 13:52 | 94.9 | 94.9% |
| 3 Jul 2026, 14:43 | 98.5 | 98.5% |
| 19 Jun 2026, 12:41 | 98.8 | 98.8% |
| 26 May 2026, 14:35 | 99.7 | 99.7% |
| 14 Apr 2026, 11:58 | 100.1 | 100.1% |
| 10 Mar 2026, 13:46 | 101.8 | 101.8% |
| 23 Feb 2026, 14:03 | 103.4 | 103.4% |
| 30 Jan 2026, 14:19 | 100.3 | 100.3% |
| 5 Dec 2025, 09:42 | 100.3 | 100.3% |
| 20 Nov 2025, 11:10 | 101.1 | 101.1% |
| 13 Oct 2025, 11:51 | 99.2 | 99.2% |
| 5 Sep 2025, 12:34 | 98.9 | 98.9% |
| 12 Aug 2025, 12:45 | 100.1 | 100.1% |
| 22 Jul 2025, 11:35 | 96.2 | 96.2% |
| 25 Jun 2025, 09:51 | 96.7 | 96.7% |
| 9 May 2025, 14:38 | 100.3 | 100.3% |
| 2 Apr 2025, 10:02 | 97.7 | 97.7% |
| 4 Mar 2025, 09:04 | 102.2 | 102.2% |
| 4 Feb 2025, 08:43 | 99.8 | 99.8% |
Dissolved oxygen
as O2 · code 9924 · mg/l
10.4 mg/l
Sampled 9 Sep 2026, 22 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 12:55 | 10.4 | 10.4 mg/l |
| 10 Aug 2026, 13:52 | 9.73 | 9.73 mg/l |
| 3 Jul 2026, 14:43 | 10.1 | 10.1 mg/l |
| 19 Jun 2026, 12:41 | 9.7 | 9.7 mg/l |
| 26 May 2026, 14:35 | 9.51 | 9.51 mg/l |
| 14 Apr 2026, 11:58 | 12 | 12 mg/l |
| 10 Mar 2026, 13:46 | 12 | 12 mg/l |
| 23 Feb 2026, 14:03 | 12 | 12 mg/l |
| 30 Jan 2026, 14:19 | 13 | 13 mg/l |
| 5 Dec 2025, 09:42 | 12.4 | 12.4 mg/l |
| 20 Nov 2025, 11:10 | 13.1 | 13.1 mg/l |
| 13 Oct 2025, 11:51 | 11 | 11 mg/l |
| 5 Sep 2025, 12:34 | 10.4 | 10.4 mg/l |
| 12 Aug 2025, 12:45 | 9.81 | 9.81 mg/l |
| 22 Jul 2025, 11:35 | 9.51 | 9.51 mg/l |
| 25 Jun 2025, 09:51 | 9.83 | 9.83 mg/l |
| 9 May 2025, 14:38 | 11.5 | 11.5 mg/l |
| 2 Apr 2025, 10:02 | 11.9 | 11.9 mg/l |
| 4 Mar 2025, 09:04 | 12.6 | 12.6 mg/l |
| 4 Feb 2025, 08:43 | 12.3 | 12.3 mg/l |
Water temperature
code 0076 · °C
13.8 °C
Sampled 9 Sep 2026, 22 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 12:55 | 13.8 | 13.8 °C |
| 10 Aug 2026, 13:52 | 14.1 | 14.1 °C |
| 3 Jul 2026, 14:43 | 14.2 | 14.2 °C |
| 19 Jun 2026, 12:41 | 16.1 | 16.1 °C |
| 26 May 2026, 14:35 | 17.5 | 17.5 °C |
| 14 Apr 2026, 11:58 | 7.4 | 7.4 °C |
| 10 Mar 2026, 13:46 | 8.1 | 8.1 °C |
| 23 Feb 2026, 14:03 | 8.9 | 8.9 °C |
| 30 Jan 2026, 14:19 | 4.4 | 4.4 °C |
| 5 Dec 2025, 09:42 | 6.3 | 6.3 °C |
| 20 Nov 2025, 11:10 | 4.4 | 4.4 °C |
| 13 Oct 2025, 11:51 | 10.6 | 10.6 °C |
| 5 Sep 2025, 12:34 | 13.1 | 13.1 °C |
| 12 Aug 2025, 12:45 | 16.2 | 16.2 °C |
| 22 Jul 2025, 11:35 | 15.8 | 15.8 °C |
| 25 Jun 2025, 09:51 | 14.5 | 14.5 °C |
| 9 May 2025, 14:38 | 9.4 | 9.4 °C |
| 2 Apr 2025, 10:02 | 6.9 | 6.9 °C |
| 4 Mar 2025, 09:04 | 6.2 | 6.2 °C |
| 4 Feb 2025, 08:43 | 6.3 | 6.3 °C |
pH
code 0061
7.83
Sampled 9 Sep 2026, 22 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 12:55 | 7.83 | 7.83 |
| 10 Aug 2026, 13:52 | 8.06 | 8.06 |
| 3 Jul 2026, 14:43 | 8.27 | 8.27 |
| 19 Jun 2026, 12:41 | 8.08 | 8.08 |
| 26 May 2026, 14:35 | 8.14 | 8.14 |
| 14 Apr 2026, 11:58 | 8.21 | 8.21 |
| 10 Mar 2026, 13:46 | 8.22 | 8.22 |
| 23 Feb 2026, 14:03 | 8.02 | 8.02 |
| 30 Jan 2026, 14:19 | 8.08 | 8.08 |
| 5 Dec 2025, 09:42 | 8.12 | 8.12 |
| 20 Nov 2025, 11:10 | 8.18 | 8.18 |
| 13 Oct 2025, 11:51 | 8.18 | 8.18 |
| 5 Sep 2025, 12:34 | 8.42 | 8.42 |
| 12 Aug 2025, 12:45 | 8.27 | 8.27 |
| 22 Jul 2025, 11:35 | 8.23 | 8.23 |
| 25 Jun 2025, 09:51 | 8.33 | 8.33 |
| 9 May 2025, 14:38 | 8.17 | 8.17 |
| 2 Apr 2025, 10:02 | 7.95 | 7.95 |
| 4 Mar 2025, 09:04 | 8.32 | 8.32 |
| 4 Feb 2025, 08:43 | 8.28 | 8.28 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.03 mg/l (not detected above this)
Sampled 9 Sep 2026, 22 days ago · 21 results banked
Every result (21)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 12:55 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Aug 2026, 13:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Jul 2026, 14:43 | <0.03 | below 0.03 mg/l (not detected above this) |
| 19 Jun 2026, 12:41 | <0.03 | below 0.03 mg/l (not detected above this) |
| 26 May 2026, 14:35 | <0.03 | below 0.03 mg/l (not detected above this) |
| 14 Apr 2026, 11:58 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Mar 2026, 13:46 | <0.03 | below 0.03 mg/l (not detected above this) |
| 23 Feb 2026, 14:03 | <0.03 | below 0.03 mg/l (not detected above this) |
| 30 Jan 2026, 14:19 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Dec 2025, 09:42 | <0.03 | below 0.03 mg/l (not detected above this) |
| 20 Nov 2025, 11:10 | <0.03 | below 0.03 mg/l (not detected above this) |
| 13 Oct 2025, 11:51 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Sep 2025, 12:34 | <0.03 | below 0.03 mg/l (not detected above this) |
| 12 Aug 2025, 12:45 | <0.03 | below 0.03 mg/l (not detected above this) |
| 22 Jul 2025, 11:35 | 0.06 | 0.06 mg/l |
| 25 Jun 2025, 09:51 | <0.03 | below 0.03 mg/l (not detected above this) |
| 9 May 2025, 14:38 | 0.039 | 0.039 mg/l |
| 2 Apr 2025, 10:02 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Mar 2025, 09:04 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Feb 2025, 08:43 | <0.03 | below 0.03 mg/l (not detected above this) |
| 8 Jan 2025, 12:24 | 0.046 | 0.046 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
11 mg/l
Sampled 9 Sep 2026, 22 days ago · 21 results banked
Every result (21)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 12:55 | 11 | 11 mg/l |
| 10 Aug 2026, 13:52 | 0.536 | 0.536 mg/l |
| 3 Jul 2026, 14:43 | 0.916 | 0.916 mg/l |
| 19 Jun 2026, 12:41 | 0.835 | 0.835 mg/l |
| 26 May 2026, 14:35 | 0.876 | 0.876 mg/l |
| 14 Apr 2026, 11:58 | 0.456 | 0.456 mg/l |
| 10 Mar 2026, 13:46 | 0.616 | 0.616 mg/l |
| 23 Feb 2026, 14:03 | 0.996 | 0.996 mg/l |
| 30 Jan 2026, 14:19 | 0.956 | 0.956 mg/l |
| 5 Dec 2025, 09:42 | 1.1 | 1.1 mg/l |
| 20 Nov 2025, 11:10 | 0.906 | 0.906 mg/l |
| 13 Oct 2025, 11:51 | 0.646 | 0.646 mg/l |
| 5 Sep 2025, 12:34 | 1.3 | 1.3 mg/l |
| 12 Aug 2025, 12:45 | 0.816 | 0.816 mg/l |
| 22 Jul 2025, 11:35 | 0.806 | 0.806 mg/l |
| 25 Jun 2025, 09:51 | 0.556 | 0.556 mg/l |
| 9 May 2025, 14:38 | 0.536 | 0.536 mg/l |
| 2 Apr 2025, 10:02 | 0.326 | 0.326 mg/l |
| 4 Mar 2025, 09:04 | 0.656 | 0.656 mg/l |
| 4 Feb 2025, 08:43 | 0.716 | 0.716 mg/l |
| 8 Jan 2025, 12:24 | 1.09 | 1.09 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.044 mg/l
Sampled 9 Sep 2026, 22 days ago · 21 results banked
Every result (21)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 12:55 | 0.044 | 0.044 mg/l |
| 10 Aug 2026, 13:52 | 0.066 | 0.066 mg/l |
| 3 Jul 2026, 14:43 | 0.07 | 0.07 mg/l |
| 19 Jun 2026, 12:41 | 0.065 | 0.065 mg/l |
| 26 May 2026, 14:35 | 0.057 | 0.057 mg/l |
| 14 Apr 2026, 11:58 | 0.034 | 0.034 mg/l |
| 10 Mar 2026, 13:46 | 0.024 | 0.024 mg/l |
| 23 Feb 2026, 14:03 | 0.03 | 0.03 mg/l |
| 30 Jan 2026, 14:19 | 0.025 | 0.025 mg/l |
| 5 Dec 2025, 09:42 | 0.036 | 0.036 mg/l |
| 20 Nov 2025, 11:10 | 0.031 | 0.031 mg/l |
| 13 Oct 2025, 11:51 | 0.035 | 0.035 mg/l |
| 5 Sep 2025, 12:34 | 0.054 | 0.054 mg/l |
| 12 Aug 2025, 12:45 | 0.06 | 0.06 mg/l |
| 22 Jul 2025, 11:35 | 0.063 | 0.063 mg/l |
| 25 Jun 2025, 09:51 | 0.049 | 0.049 mg/l |
| 9 May 2025, 14:38 | 0.045 | 0.045 mg/l |
| 2 Apr 2025, 10:02 | 0.02 | 0.02 mg/l |
| 4 Mar 2025, 09:04 | 0.017 | 0.017 mg/l |
| 4 Feb 2025, 08:43 | 0.026 | 0.026 mg/l |
| 8 Jan 2025, 12:24 | 0.043 | 0.043 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
368 µS/cm
Sampled 9 Sep 2026, 22 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 12:55 | 368 | 368 µS/cm |
| 10 Aug 2026, 13:52 | 396 | 396 µS/cm |
| 3 Jul 2026, 14:43 | 368 | 368 µS/cm |
| 19 Jun 2026, 12:41 | 263 | 263 µS/cm |
| 26 May 2026, 14:35 | 394 | 394 µS/cm |
| 14 Apr 2026, 11:58 | 304 | 304 µS/cm |
| 10 Mar 2026, 13:46 | 252 | 252 µS/cm |
| 23 Feb 2026, 14:03 | 196 | 196 µS/cm |
| 30 Jan 2026, 14:19 | 268 | 268 µS/cm |
| 5 Dec 2025, 09:42 | 204 | 204 µS/cm |
| 20 Nov 2025, 11:10 | 245 | 245 µS/cm |
| 13 Oct 2025, 11:51 | 287 | 287 µS/cm |
| 5 Sep 2025, 12:34 | 387 | 387 µS/cm |
| 12 Aug 2025, 12:45 | 393 | 393 µS/cm |
| 22 Jul 2025, 11:35 | 244 | 244 µS/cm |
| 25 Jun 2025, 09:51 | 301 | 301 µS/cm |
| 9 May 2025, 14:38 | 394 | 394 µS/cm |
| 2 Apr 2025, 10:02 | 210 | 210 µS/cm |
| 4 Mar 2025, 09:04 | 287 | 287 µS/cm |
| 4 Feb 2025, 08:43 | 295 | 295 µS/cm |
Everything measured here
97 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 97 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 20 | Feb 2025 – Sep 2026 | 100.3% 9 Sep 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 20 | Feb 2025 – Sep 2026 | 10.4 mg/l 9 Sep 2026 |
| Temperature of Water 0076 | River water | 20 | Feb 2025 – Sep 2026 | 13.8 °C 9 Sep 2026 |
| pH 0061 | River water | 20 | Feb 2025 – Sep 2026 | 7.83 9 Sep 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 21 | Jan 2025 – Sep 2026 | below 0.03 mg/l 9 Sep 2026 |
| Nitrate as N 0117 | River water | 21 | Jan 2025 – Sep 2026 | 11 mg/l 9 Sep 2026 |
| Orthophosphate, reactive as P 0180 | River water | 21 | Jan 2025 – Sep 2026 | 0.044 mg/l 9 Sep 2026 |
| Conductivity at 25 C 0077 | River water | 20 | Feb 2025 – Sep 2026 | 368 µS/cm 9 Sep 2026 |
| 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| 2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| 2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| 2H,2H,3H,3H-Perfluorooctanoic acid 2989 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| 3-Perfluoroheptylpropanoic acid 2925 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| 3:3 Fluorotelomer carboxylic acid 2926 | River water | 1 | Jun 2025 – Jun 2025 | below 0.004 µg/l 25 Jun 2025 |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| 4:2 Fluorotelomer sulfonic acid 2987 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| 6:2 Fluorotelomer sulfonic acid 2984 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| 8:2 Fluorotelomer sulfonic acid 2983 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 21 | Jan 2025 – Sep 2026 | 82 mg/l 9 Sep 2026 |
| Aluminium, Dissolved 6037 | River water | 4 | Apr 2025 – Jan 2026 | 36 µg/l 30 Jan 2026 |
| Aminomethylphosphonic acid 7125 | River water | 12 | Apr 2025 – Mar 2026 | below 0.1 µg/l 10 Mar 2026 |
| Ammonia un-ionised as N 0119 | River water | 20 | Feb 2025 – Sep 2026 | below 0.00049 mg/l 9 Sep 2026 |
| Barium, Dissolved 9446 | River water | 4 | Apr 2025 – Jan 2026 | 46 µg/l 30 Jan 2026 |
| Boron, Dissolved 9447 | River water | 4 | Apr 2025 – Jan 2026 | below 100 µg/l 30 Jan 2026 |
| Cadmium, Dissolved 0106 | River water | 4 | Apr 2025 – Jan 2026 | below 0.01 µg/l 30 Jan 2026 |
| Calcium, Dissolved 0239 | River water | 4 | Apr 2025 – Jan 2026 | 34 mg/l 30 Jan 2026 |
| Carbon, Organic, Dissolved as C :- {DOC} 0301 | River water | 21 | Jan 2025 – Sep 2026 | 9.1 mg/l 9 Sep 2026 |
| Chloride 0172 | River water | 20 | Jan 2025 – Sep 2026 | 24 mg/l 9 Sep 2026 |
| Chromium, Dissolved 3409 | River water | 4 | Apr 2025 – Jan 2026 | below 0.5 µg/l 30 Jan 2026 |
| Copper : BLM Bioavailable 4821 | River water | 4 | Apr 2025 – Jan 2026 | 0.12 µg/l 30 Jan 2026 |
| Copper, Dissolved 6450 | River water | 4 | Apr 2025 – Jan 2026 | 1.9 µg/l 30 Jan 2026 |
| eDNA Report 3047 | River water | 1 | Jan 2025 – Jan 2025 | 1 text result 14 Jan 2025 |
| Flow Type 2896 | River water | 9 | Mar 2025 – Jul 2026 | Moderate Flow 3 Jul 2026 |
| Glyphosate 3007 | River water | 12 | Apr 2025 – Mar 2026 | below 0.1 µg/l 10 Mar 2026 |
| Hardness, Calcium 0163 | River water | 4 | Apr 2025 – Jan 2026 | 84.9 mg/l 30 Jan 2026 |
| Hardness, Total as CaCO3 0158 | River water | 4 | Apr 2025 – Jan 2026 | 97.2 mg/l 30 Jan 2026 |
| Hexafluoropropylene oxide dimer acid (Gen X) 2981 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| Iron, Dissolved 6460 | River water | 4 | Apr 2025 – Jan 2026 | 98 µg/l 30 Jan 2026 |
| LCMS Screen : Semi Quantitative 7299 | River water | 3 | Jan 2026 – Jul 2026 | 1 text result 3 Jul 2026 |
| Lead : BLM Bioavailable 3377 | River water | 4 | Apr 2025 – Jan 2026 | 0.02 µg/l 30 Jan 2026 |
| Lead, Dissolved 0052 | River water | 4 | Apr 2025 – Jan 2026 | 0.11 µg/l 30 Jan 2026 |
| Lithium, Dissolved 4201 | River water | 4 | Apr 2025 – Jan 2026 | below 100 µg/l 30 Jan 2026 |
| Magnesium, Dissolved 0235 | River water | 4 | Apr 2025 – Jan 2026 | 3 mg/l 30 Jan 2026 |
| Manganese : BLM Bioavailable 4820 | River water | 4 | Apr 2025 – Jan 2026 | 5 µg/l 30 Jan 2026 |
| Manganese, Dissolved 6458 | River water | 4 | Apr 2025 – Jan 2026 | below 10 µg/l 30 Jan 2026 |
| Mitochondrial marker : Fish 12S 2857 | River water | 1 | Jan 2025 – Jan 2025 | Present 14 Jan 2025 |
| N-Ethylperfluorooctanesulfonamide 2977 | River water | 1 | Jun 2025 – Jun 2025 | below 0.002 µg/l 25 Jun 2025 |
| N-methylperfluorooctanesulfonamide 2975 | River water | 1 | Jun 2025 – Jun 2025 | below 0.002 µg/l 25 Jun 2025 |
| Nickel : BLM Bioavailable 3878 | River water | 4 | Apr 2025 – Jan 2026 | 0.66 µg/l 30 Jan 2026 |
| Nickel, Dissolved 3410 | River water | 4 | Apr 2025 – Jan 2026 | 1.3 µg/l 30 Jan 2026 |
| Nitrite as N 0118 | River water | 21 | Jan 2025 – Sep 2026 | 0.0068 mg/l 9 Sep 2026 |
| Nitrogen, Total as N 9686 | River water | 21 | Jan 2025 – Sep 2026 | 12 mg/l 9 Sep 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 21 | Jan 2025 – Sep 2026 | 11 mg/l 9 Sep 2026 |
| Perfluoro(2-ethoxyethane)sulfonic acid 2924 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluoro(4-methoxybutanoic) acid 2923 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluoro-3,6-dioxaheptanoic acid 2922 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluoro-3-methoxypropanoic acid 2921 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluoro-4-ethylcyclohexanesulfonic acid 2973 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluorobutanesulfonic acid 2972 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| Perfluorobutanoic acid 2995 | River water | 1 | Jun 2025 – Jun 2025 | 0.0011 µg/l 25 Jun 2025 |
| Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluorodecanesulfonic acid 2969 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| Perfluorodecanoic acid 8892 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| Perfluorododecane sulfonic acid 2968 | River water | 1 | Jun 2025 – Jun 2025 | below 0.005 µg/l 25 Jun 2025 |
| Perfluorododecanoic acid 8894 | River water | 1 | Jun 2025 – Jun 2025 | below 0.002 µg/l 25 Jun 2025 |
| Perfluoroheptanesulfonic acid 2967 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluoroheptanoic acid 8889 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| Perfluorohexanesulfonamide 2965 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluorohexanesulfonic acid (B) 2944 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluorohexanesulfonic acid (L) 2964 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluorohexanoic acid 8888 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluorononanesulfonic acid 2963 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluorononanoic acid 8891 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| Perfluorooctadecanoic acid 2962 | River water | 1 | Jun 2025 – Jun 2025 | below 0.002 µg/l 25 Jun 2025 |
| Perfluorooctanesulfonamide 2961 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| Perfluorooctanesulfonic acid (branched) 2960 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluorooctanesulfonic acid (linear) 2959 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluorooctanoic acid 8890 | River water | 1 | Jun 2025 – Jun 2025 | 0.0035 µg/l 25 Jun 2025 |
| Perfluoropentanesulfonic acid 2957 | River water | 1 | Jun 2025 – Jun 2025 | below 0.0005 µg/l 25 Jun 2025 |
| Perfluoropentanoic acid 8887 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| Perfluorotetradecanoic acid 8895 | River water | 1 | Jun 2025 – Jun 2025 | below 0.006 µg/l 25 Jun 2025 |
| Perfluorotridecanoic acid 2955 | River water | 1 | Jun 2025 – Jun 2025 | below 0.002 µg/l 25 Jun 2025 |
| Perfluoroundecane sulfonic acid 2953 | River water | 1 | Jun 2025 – Jun 2025 | below 0.004 µg/l 25 Jun 2025 |
| Perfluoroundecanoic acid 8893 | River water | 1 | Jun 2025 – Jun 2025 | below 0.001 µg/l 25 Jun 2025 |
| Phosphorus, Total as P 0348 | River water | 21 | Jan 2025 – Sep 2026 | 0.078 mg/l 9 Sep 2026 |
| Potassium, Dissolved 0209 | River water | 4 | Apr 2025 – Jan 2026 | 2.2 mg/l 30 Jan 2026 |
| Silica, reactive as SiO2 0182 | River water | 21 | Jan 2025 – Sep 2026 | 6.4 mg/l 9 Sep 2026 |
| Sodium, Dissolved 0205 | River water | 4 | Apr 2025 – Jan 2026 | 14 mg/l 30 Jan 2026 |
| Solids, Suspended at 105 C 0135 | River water | 21 | Jan 2025 – Sep 2026 | 9 mg/l 9 Sep 2026 |
| Strontium, Filtered 6693 | River water | 4 | Apr 2025 – Jan 2026 | 65 µg/l 30 Jan 2026 |
| Sulphate, Dissolved as SO4 7859 | River water | 4 | Apr 2025 – Jan 2026 | below 10 mg/l 30 Jan 2026 |
| Trifluoroacetic acid 2872 | River water | 1 | Jan 2026 – Jan 2026 | 0.42 µg/l 30 Jan 2026 |
| Zinc : BLM Bioavailable 4822 | River water | 4 | Apr 2025 – Jan 2026 | 0.62 µg/l 30 Jan 2026 |
| Zinc, Dissolved 3408 | River water | 4 | Apr 2025 – Jan 2026 | 1.7 µg/l 30 Jan 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.