Mill Shaw Beck above Dewsbury Road Tip
EA name: MILL SHAW BECK ABOVE DEWSBURY ROAD TIP
Environment Agency sampling point NE-49400277 · 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, 13:5222 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 27 since 17 Jul 2024 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Monitoring (UK govt policy - not GQA or RE)
- Where
- National Grid 428749, 427925As published, to the nearest 1 m. Open in a map
- River, by its own name
- Mill Shaw Beck
- River, by the map
- Mill Shaw BeckPlaced on the river its name gives, 0 m from the line.
- Next gauge downstream
- Leeds Crown Point On the River Aire · 7.4 km along the river
- Why it was sampled
- Monitoring (national agency policy) (21 samples)
Monitoring (UK govt policy - not GQA or RE) (6 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
88.9%
Sampled 9 Sep 2026, 22 days ago · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 13:52 | 88.9 | 88.9% |
| 4 Aug 2026, 14:14 | 85 | 85% |
| 3 Jul 2026, 11:13 | 86.9 | 86.9% |
| 8 Jun 2026, 13:07 | 85.2 | 85.2% |
| 12 May 2026, 14:33 | 92.5 | 92.5% |
| 1 Apr 2026, 11:04 | 90.7 | 90.7% |
| 12 Mar 2026, 15:13 | 93.6 | 93.6% |
| 3 Feb 2026, 14:48 | 96.1 | 96.1% |
| 9 Jan 2026, 14:35 | 92.2 | 92.2% |
| 12 Dec 2025, 13:03 | 95.1 | 95.1% |
| 28 Nov 2025, 12:39 | 91.8 | 91.8% |
| 13 Nov 2025, 13:34 | 91.7 | 91.7% |
| 1 Sep 2025, 13:43 | 83.9 | 83.9% |
| 4 Aug 2025, 15:47 | 70.8 | 70.8% |
| 7 Jul 2025, 16:50 | 81 | 81% |
| 27 Jun 2025, 11:06 | 86.1 | 86.1% |
| 6 May 2025, 13:58 | 94.1 | 94.1% |
| 10 Apr 2025, 15:55 | 88.1 | 88.1% |
| 4 Mar 2025, 13:00 | 92.6 | 92.6% |
| 13 Feb 2025, 12:32 | 93.1 | 93.1% |
| 24 Jan 2025, 12:58 | 95.4 | 95.4% |
| 10 Dec 2024, 10:08 | 105.6 | 105.6% |
| 18 Nov 2024, 12:22 | 98 | 98% |
| 14 Oct 2024, 10:17 | 92.1 | 92.1% |
| 23 Sep 2024, 15:31 | 80.2 | 80.2% |
| 22 Aug 2024, 13:01 | 86.5 | 86.5% |
| 17 Jul 2024, 15:53 | 91.3 | 91.3% |
Dissolved oxygen
as O2 · code 9924 · mg/l
9.16 mg/l
Sampled 9 Sep 2026, 22 days ago · 26 results banked
Every result (26)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 13:52 | 9.16 | 9.16 mg/l |
| 4 Aug 2026, 14:14 | 8.35 | 8.35 mg/l |
| 3 Jul 2026, 11:13 | 9.05 | 9.05 mg/l |
| 8 Jun 2026, 13:07 | 8.96 | 8.96 mg/l |
| 1 Apr 2026, 11:04 | 10.3 | 10.3 mg/l |
| 12 Mar 2026, 15:13 | 10.4 | 10.4 mg/l |
| 3 Feb 2026, 14:48 | 11.5 | 11.5 mg/l |
| 9 Jan 2026, 14:35 | 11.3 | 11.3 mg/l |
| 12 Dec 2025, 13:03 | 10.7 | 10.7 mg/l |
| 28 Nov 2025, 12:39 | 10.5 | 10.5 mg/l |
| 13 Nov 2025, 13:34 | 9.91 | 9.91 mg/l |
| 1 Sep 2025, 13:43 | 8.55 | 8.55 mg/l |
| 4 Aug 2025, 15:47 | 6.91 | 6.91 mg/l |
| 7 Jul 2025, 16:50 | 7.89 | 7.89 mg/l |
| 27 Jun 2025, 11:06 | 8.83 | 8.83 mg/l |
| 6 May 2025, 13:58 | 10.4 | 10.4 mg/l |
| 10 Apr 2025, 15:55 | 9.28 | 9.28 mg/l |
| 4 Mar 2025, 13:00 | 10.8 | 10.8 mg/l |
| 13 Feb 2025, 12:32 | 11.3 | 11.3 mg/l |
| 24 Jan 2025, 12:58 | 11.5 | 11.5 mg/l |
| 10 Dec 2024, 10:08 | 12.3 | 12.3 mg/l |
| 18 Nov 2024, 12:22 | 12 | 12 mg/l |
| 14 Oct 2024, 10:17 | 10.5 | 10.5 mg/l |
| 23 Sep 2024, 15:31 | 8.35 | 8.35 mg/l |
| 22 Aug 2024, 13:01 | 8.78 | 8.78 mg/l |
| 17 Jul 2024, 15:53 | 9.08 | 9.08 mg/l |
Water temperature
code 0076 · °C
13.9 °C
Sampled 9 Sep 2026, 22 days ago · 26 results banked
Every result (26)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 13:52 | 13.9 | 13.9 °C |
| 4 Aug 2026, 14:14 | 16.1 | 16.1 °C |
| 3 Jul 2026, 11:13 | 13.4 | 13.4 °C |
| 8 Jun 2026, 13:07 | 13 | 13 °C |
| 1 Apr 2026, 11:04 | 9.8 | 9.8 °C |
| 12 Mar 2026, 15:13 | 10.5 | 10.5 °C |
| 3 Feb 2026, 14:48 | 7.5 | 7.5 °C |
| 9 Jan 2026, 14:35 | 6.5 | 6.5 °C |
| 12 Dec 2025, 13:03 | 9.9 | 9.9 °C |
| 28 Nov 2025, 12:39 | 9.5 | 9.5 °C |
| 13 Nov 2025, 13:34 | 11.8 | 11.8 °C |
| 1 Sep 2025, 13:43 | 14.4 | 14.4 °C |
| 4 Aug 2025, 15:47 | 16.4 | 16.4 °C |
| 7 Jul 2025, 16:50 | 16.5 | 16.5 °C |
| 27 Jun 2025, 11:06 | 14.1 | 14.1 °C |
| 6 May 2025, 13:58 | 10.8 | 10.8 °C |
| 10 Apr 2025, 15:55 | 12.9 | 12.9 °C |
| 4 Mar 2025, 13:00 | 8.5 | 8.5 °C |
| 13 Feb 2025, 12:32 | 7 | 7 °C |
| 24 Jan 2025, 12:58 | 7.2 | 7.2 °C |
| 10 Dec 2024, 10:08 | 8.6 | 8.6 °C |
| 18 Nov 2024, 12:22 | 6.6 | 6.6 °C |
| 14 Oct 2024, 10:17 | 9.5 | 9.5 °C |
| 23 Sep 2024, 15:31 | 13.4 | 13.4 °C |
| 22 Aug 2024, 13:01 | 14.6 | 14.6 °C |
| 17 Jul 2024, 15:53 | 15.5 | 15.5 °C |
pH
code 0061
7.98
Sampled 9 Sep 2026, 22 days ago · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 13:52 | 7.98 | 7.98 |
| 4 Aug 2026, 14:14 | 7.84 | 7.84 |
| 3 Jul 2026, 11:13 | 7.94 | 7.94 |
| 8 Jun 2026, 13:07 | 7.84 | 7.84 |
| 12 May 2026, 14:33 | 7.99 | 7.99 |
| 1 Apr 2026, 11:04 | 7.78 | 7.78 |
| 12 Mar 2026, 15:13 | 7.93 | 7.93 |
| 3 Feb 2026, 14:48 | 7.85 | 7.85 |
| 9 Jan 2026, 14:35 | 7.92 | 7.92 |
| 12 Dec 2025, 13:03 | 7.86 | 7.86 |
| 28 Nov 2025, 12:39 | 8.05 | 8.05 |
| 13 Nov 2025, 13:34 | 7.85 | 7.85 |
| 1 Sep 2025, 13:43 | 7.03 | 7.03 |
| 4 Aug 2025, 15:47 | 7.55 | 7.55 |
| 7 Jul 2025, 16:50 | 7.69 | 7.69 |
| 27 Jun 2025, 11:06 | 7.92 | 7.92 |
| 6 May 2025, 13:58 | 7.93 | 7.93 |
| 10 Apr 2025, 15:55 | 7.85 | 7.85 |
| 4 Mar 2025, 13:00 | 7.94 | 7.94 |
| 13 Feb 2025, 12:32 | 7.89 | 7.89 |
| 24 Jan 2025, 12:58 | 8.21 | 8.21 |
| 10 Dec 2024, 10:08 | 7.82 | 7.82 |
| 18 Nov 2024, 12:22 | 7.84 | 7.84 |
| 14 Oct 2024, 10:17 | 7.96 | 7.96 |
| 23 Sep 2024, 15:31 | 7.71 | 7.71 |
| 22 Aug 2024, 13:01 | 7.88 | 7.88 |
| 17 Jul 2024, 15:53 | 7.86 | 7.86 |
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 · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 13:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Aug 2026, 14:14 | 0.044 | 0.044 mg/l |
| 3 Jul 2026, 11:13 | 0.042 | 0.042 mg/l |
| 8 Jun 2026, 13:07 | 0.09 | 0.09 mg/l |
| 12 May 2026, 14:33 | 0.17 | 0.17 mg/l |
| 1 Apr 2026, 11:04 | 0.18 | 0.18 mg/l |
| 12 Mar 2026, 15:13 | 0.23 | 0.23 mg/l |
| 3 Feb 2026, 14:48 | 0.28 | 0.28 mg/l |
| 9 Jan 2026, 14:35 | 0.2 | 0.2 mg/l |
| 12 Dec 2025, 13:03 | 0.24 | 0.24 mg/l |
| 28 Nov 2025, 12:39 | 0.18 | 0.18 mg/l |
| 13 Nov 2025, 13:34 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 Sep 2025, 13:43 | 0.099 | 0.099 mg/l |
| 4 Aug 2025, 15:47 | 1 | 1 mg/l |
| 7 Jul 2025, 16:50 | 0.12 | 0.12 mg/l |
| 27 Jun 2025, 11:06 | 0.051 | 0.051 mg/l |
| 6 May 2025, 13:58 | 0.18 | 0.18 mg/l |
| 10 Apr 2025, 15:55 | 0.26 | 0.26 mg/l |
| 4 Mar 2025, 13:00 | 0.18 | 0.18 mg/l |
| 13 Feb 2025, 12:32 | 0.38 | 0.38 mg/l |
| 24 Jan 2025, 12:58 | 0.28 | 0.28 mg/l |
| 10 Dec 2024, 10:08 | 0.12 | 0.12 mg/l |
| 18 Nov 2024, 12:22 | 0.22 | 0.22 mg/l |
| 14 Oct 2024, 10:17 | 0.22 | 0.22 mg/l |
| 23 Sep 2024, 15:31 | 0.095 | 0.095 mg/l |
| 22 Aug 2024, 13:01 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Jul 2024, 15:53 | 0.073 | 0.073 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
5.37 mg/l
Sampled 9 Sep 2026, 22 days ago · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 13:52 | 5.37 | 5.37 mg/l |
| 4 Aug 2026, 14:14 | 5.75 | 5.75 mg/l |
| 3 Jul 2026, 11:13 | 5.46 | 5.46 mg/l |
| 8 Jun 2026, 13:07 | 3.64 | 3.64 mg/l |
| 12 May 2026, 14:33 | 6.41 | 6.41 mg/l |
| 1 Apr 2026, 11:04 | 7.65 | 7.65 mg/l |
| 12 Mar 2026, 15:13 | 8.96 | 8.96 mg/l |
| 3 Feb 2026, 14:48 | 11.9 | 11.9 mg/l |
| 9 Jan 2026, 14:35 | 7.53 | 7.53 mg/l |
| 12 Dec 2025, 13:03 | 10.9 | 10.9 mg/l |
| 28 Nov 2025, 12:39 | 10.9 | 10.9 mg/l |
| 13 Nov 2025, 13:34 | 6.98 | 6.98 mg/l |
| 1 Sep 2025, 13:43 | 5.03 | 5.03 mg/l |
| 4 Aug 2025, 15:47 | 3.24 | 3.24 mg/l |
| 7 Jul 2025, 16:50 | 5.13 | 5.13 mg/l |
| 27 Jun 2025, 11:06 | 5.15 | 5.15 mg/l |
| 6 May 2025, 13:58 | 6.65 | 6.65 mg/l |
| 10 Apr 2025, 15:55 | 7.91 | 7.91 mg/l |
| 4 Mar 2025, 13:00 | 8.99 | 8.99 mg/l |
| 13 Feb 2025, 12:32 | 9.47 | 9.47 mg/l |
| 24 Jan 2025, 12:58 | 8.82 | 8.82 mg/l |
| 10 Dec 2024, 10:08 | 9.96 | 9.96 mg/l |
| 18 Nov 2024, 12:22 | 8.37 | 8.37 mg/l |
| 14 Oct 2024, 10:17 | 8.03 | 8.03 mg/l |
| 23 Sep 2024, 15:31 | 4.03 | 4.03 mg/l |
| 22 Aug 2024, 13:01 | 5.97 | 5.97 mg/l |
| 17 Jul 2024, 15:53 | 6.16 | 6.16 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.081 mg/l
Sampled 9 Sep 2026, 22 days ago · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 13:52 | 0.081 | 0.081 mg/l |
| 4 Aug 2026, 14:14 | 0.13 | 0.13 mg/l |
| 3 Jul 2026, 11:13 | 0.072 | 0.072 mg/l |
| 8 Jun 2026, 13:07 | 0.041 | 0.041 mg/l |
| 12 May 2026, 14:33 | 0.059 | 0.059 mg/l |
| 1 Apr 2026, 11:04 | 0.033 | 0.033 mg/l |
| 12 Mar 2026, 15:13 | 0.03 | 0.03 mg/l |
| 3 Feb 2026, 14:48 | 0.023 | 0.023 mg/l |
| 9 Jan 2026, 14:35 | 0.04 | 0.04 mg/l |
| 12 Dec 2025, 13:03 | 0.026 | 0.026 mg/l |
| 28 Nov 2025, 12:39 | 0.036 | 0.036 mg/l |
| 13 Nov 2025, 13:34 | 0.058 | 0.058 mg/l |
| 1 Sep 2025, 13:43 | 0.12 | 0.12 mg/l |
| 4 Aug 2025, 15:47 | 0.11 | 0.11 mg/l |
| 7 Jul 2025, 16:50 | 0.099 | 0.099 mg/l |
| 27 Jun 2025, 11:06 | 0.11 | 0.11 mg/l |
| 6 May 2025, 13:58 | 0.071 | 0.071 mg/l |
| 10 Apr 2025, 15:55 | 0.036 | 0.036 mg/l |
| 4 Mar 2025, 13:00 | 0.023 | 0.023 mg/l |
| 13 Feb 2025, 12:32 | 0.045 | 0.045 mg/l |
| 24 Jan 2025, 12:58 | 0.044 | 0.044 mg/l |
| 10 Dec 2024, 10:08 | 0.033 | 0.033 mg/l |
| 18 Nov 2024, 12:22 | 0.047 | 0.047 mg/l |
| 14 Oct 2024, 10:17 | 0.067 | 0.067 mg/l |
| 23 Sep 2024, 15:31 | 0.086 | 0.086 mg/l |
| 22 Aug 2024, 13:01 | 0.066 | 0.066 mg/l |
| 17 Jul 2024, 15:53 | 0.05 | 0.05 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
1000 µS/cm
Sampled 9 Sep 2026, 22 days ago · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 9 Sep 2026, 13:52 | 1000 | 1000 µS/cm |
| 4 Aug 2026, 14:14 | 1272 | 1272 µS/cm |
| 3 Jul 2026, 11:13 | 1216 | 1216 µS/cm |
| 8 Jun 2026, 13:07 | 677 | 677 µS/cm |
| 12 May 2026, 14:33 | 1006 | 1006 µS/cm |
| 1 Apr 2026, 11:04 | 1127 | 1127 µS/cm |
| 12 Mar 2026, 15:13 | 1163 | 1163 µS/cm |
| 3 Feb 2026, 14:48 | 933 | 933 µS/cm |
| 9 Jan 2026, 14:35 | 1395 | 1395 µS/cm |
| 12 Dec 2025, 13:03 | 914 | 914 µS/cm |
| 28 Nov 2025, 12:39 | 996 | 996 µS/cm |
| 13 Nov 2025, 13:34 | 843 | 843 µS/cm |
| 1 Sep 2025, 13:43 | 1270 | 1270 µS/cm |
| 4 Aug 2025, 15:47 | 789 | 789 µS/cm |
| 7 Jul 2025, 16:50 | 976 | 976 µS/cm |
| 27 Jun 2025, 11:06 | 1313 | 1313 µS/cm |
| 6 May 2025, 13:58 | 1278 | 1278 µS/cm |
| 10 Apr 2025, 15:55 | 1226 | 1226 µS/cm |
| 4 Mar 2025, 13:00 | 1158 | 1158 µS/cm |
| 13 Feb 2025, 12:32 | 1107 | 1107 µS/cm |
| 24 Jan 2025, 12:58 | 1087 | 1087 µS/cm |
| 10 Dec 2024, 10:08 | 893 | 893 µS/cm |
| 18 Nov 2024, 12:22 | 1233 | 1233 µS/cm |
| 14 Oct 2024, 10:17 | 965 | 965 µS/cm |
| 23 Sep 2024, 15:31 | 660 | 660 µS/cm |
| 22 Aug 2024, 13:01 | 1324 | 1324 µS/cm |
| 17 Jul 2024, 15:53 | 920 | 920 µS/cm |
Everything measured here
73 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 73 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 27 | Jul 2024 – Sep 2026 | 88.9% 9 Sep 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 26 | Jul 2024 – Sep 2026 | 9.16 mg/l 9 Sep 2026 |
| Temperature of Water 0076 | River water | 26 | Jul 2024 – Sep 2026 | 13.9 °C 9 Sep 2026 |
| pH 0061 | River water | 27 | Jul 2024 – Sep 2026 | 7.98 9 Sep 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 27 | Jul 2024 – Sep 2026 | below 0.03 mg/l 9 Sep 2026 |
| Nitrate as N 0117 | River water | 27 | Jul 2024 – Sep 2026 | 5.37 mg/l 9 Sep 2026 |
| Orthophosphate, reactive as P 0180 | River water | 27 | Jul 2024 – Sep 2026 | 0.081 mg/l 9 Sep 2026 |
| Conductivity at 25 C 0077 | River water | 27 | Jul 2024 – Sep 2026 | 1000 µS/cm 9 Sep 2026 |
| 10:2 Fluorotelomer sulfonic acid 2994 | River water | 1 | Dec 2025 – Dec 2025 | below 0.002 µg/l 12 Dec 2025 |
| 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| 2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| 2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| 2H,2H,3H,3H-Perfluorooctanoic acid 2989 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| 2H-Perfluoro-2-decenoic acid 2888 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| 3-Perfluoroheptylpropanoic acid 2925 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| 3:3 Fluorotelomer carboxylic acid 2926 | River water | 1 | Dec 2025 – Dec 2025 | below 0.004 µg/l 12 Dec 2025 |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| 4:2 Fluorotelomer sulfonic acid 2987 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| 5:1:2 Fluorotelomer betaine 2887 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| 5:3 Fluorotelomer betaine 2886 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| 6:2 Fluorotelomer phosphate diester 2986 | River water | 1 | Dec 2025 – Dec 2025 | below 0.004 µg/l 12 Dec 2025 |
| 6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| 6:2 Fluorotelomer sulfonamide betaine 2985 | River water | 1 | Dec 2025 – Dec 2025 | 0.0056 µg/l 12 Dec 2025 |
| 6:2 Fluorotelomer sulfonic acid 2984 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| 6:2/8:2 Fluorotelomer phosphate diester 2884 | River water | 1 | Dec 2025 – Dec 2025 | below 0.01 µg/l 12 Dec 2025 |
| 6:6 Perfluorophosphinic acid 2883 | River water | 1 | Dec 2025 – Dec 2025 | below 0.004 µg/l 12 Dec 2025 |
| 6:8 Perfluorophosphinic acid 2882 | River water | 1 | Dec 2025 – Dec 2025 | below 0.01 µg/l 12 Dec 2025 |
| 8:2 Fluorotelomer phosphate diester 2880 | River water | 1 | Dec 2025 – Dec 2025 | below 0.004 µg/l 12 Dec 2025 |
| 8:2 Fluorotelomer sulfonic acid 2983 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| 8:8 Perfluorophosphinic acid 2879 | River water | 1 | Dec 2025 – Dec 2025 | below 0.01 µg/l 12 Dec 2025 |
| 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 27 | Jul 2024 – Sep 2026 | 180 mg/l 9 Sep 2026 |
| Ammonia un-ionised as N 0119 | River water | 26 | Jul 2024 – Sep 2026 | below 0.0007 mg/l 9 Sep 2026 |
| BOD : 5 Day ATU 0085 | River water | 24 | Jul 2024 – Jun 2026 | below 3 mg/l 8 Jun 2026 |
| Hexafluoropropylene oxide dimer acid (Gen X) 2981 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| Hexafluoropropylene oxide trimer acid 2980 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| N-Ethylperfluorooctanesulfonamide 2977 | River water | 1 | Dec 2025 – Dec 2025 | below 0.002 µg/l 12 Dec 2025 |
| N-methylperfluorooctanesulfonamide 2975 | River water | 1 | Dec 2025 – Dec 2025 | below 0.002 µg/l 12 Dec 2025 |
| Nitrite as N 0118 | River water | 27 | Jul 2024 – Sep 2026 | 0.03 mg/l 9 Sep 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 27 | Jul 2024 – Sep 2026 | 5.4 mg/l 9 Sep 2026 |
| Perfluoro(2-ethoxyethane)sulfonic acid 2924 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| Perfluoro(4-methoxybutanoic) acid 2923 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| Perfluoro-3,6-dioxaheptanoic acid 2922 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| Perfluoro-3-methoxypropanoic acid 2921 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| Perfluoro-4-ethylcyclohexanesulfonic acid 2973 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| Perfluorobutanesulfonic acid 2972 | River water | 1 | Dec 2025 – Dec 2025 | 0.0034 µg/l 12 Dec 2025 |
| Perfluorobutanoic acid 2995 | River water | 1 | Dec 2025 – Dec 2025 | 0.0063 µg/l 12 Dec 2025 |
| Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 | River water | 1 | Dec 2025 – Dec 2025 | 0.00071 µg/l 12 Dec 2025 |
| Perfluorodecanesulfonic acid 2969 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| Perfluorodecanoic acid 8892 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| Perfluorododecane sulfonic acid 2968 | River water | 1 | Dec 2025 – Dec 2025 | below 0.005 µg/l 12 Dec 2025 |
| Perfluorododecanoic acid 8894 | River water | 1 | Dec 2025 – Dec 2025 | below 0.002 µg/l 12 Dec 2025 |
| Perfluoroheptanesulfonic acid 2967 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| Perfluoroheptanoic acid 8889 | River water | 1 | Dec 2025 – Dec 2025 | 0.0046 µg/l 12 Dec 2025 |
| Perfluorohexanesulfonamide 2965 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| Perfluorohexanesulfonic acid (B) 2944 | River water | 1 | Dec 2025 – Dec 2025 | 0.00093 µg/l 12 Dec 2025 |
| Perfluorohexanesulfonic acid (L) 2964 | River water | 1 | Dec 2025 – Dec 2025 | 0.003 µg/l 12 Dec 2025 |
| Perfluorohexanoic acid 8888 | River water | 1 | Dec 2025 – Dec 2025 | 0.0085 µg/l 12 Dec 2025 |
| Perfluorononanesulfonic acid 2963 | River water | 1 | Dec 2025 – Dec 2025 | below 0.0005 µg/l 12 Dec 2025 |
| Perfluorononanoic acid 8891 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| Perfluorooctadecanoic acid 2962 | River water | 1 | Dec 2025 – Dec 2025 | below 0.002 µg/l 12 Dec 2025 |
| Perfluorooctanesulfonamide 2961 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
| Perfluorooctanesulfonic acid (linear) 2959 | River water | 1 | Dec 2025 – Dec 2025 | 0.0073 µg/l 12 Dec 2025 |
| Perfluorooctanesulfonic acid (total) 2958 | River water | 1 | Dec 2025 – Dec 2025 | 0.014 µg/l 12 Dec 2025 |
| Perfluorooctanoic acid 8890 | River water | 1 | Dec 2025 – Dec 2025 | 0.011 µg/l 12 Dec 2025 |
| Perfluoropentanesulfonic acid 2957 | River water | 1 | Dec 2025 – Dec 2025 | 0.00072 µg/l 12 Dec 2025 |
| Perfluoropentanoic acid 8887 | River water | 1 | Dec 2025 – Dec 2025 | 0.01 µg/l 12 Dec 2025 |
| Perfluorotetradecanoic acid 8895 | River water | 1 | Dec 2025 – Dec 2025 | below 0.006 µg/l 12 Dec 2025 |
| Perfluorotridecanoic acid 2955 | River water | 1 | Dec 2025 – Dec 2025 | below 0.002 µg/l 12 Dec 2025 |
| Perfluoroundecane sulfonic acid 2953 | River water | 1 | Dec 2025 – Dec 2025 | below 0.004 µg/l 12 Dec 2025 |
| Perfluoroundecanoic acid 8893 | River water | 1 | Dec 2025 – Dec 2025 | below 0.001 µg/l 12 Dec 2025 |
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.