Blyth at Bedlington Bridge
EA name: BLYTH AT BEDLINGTON BRIDGE
Environment Agency sampling point NE-42600397 · 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
- 7 Aug 2026, 09:2955 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 35 since 4 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 426660, 581425As published, to the nearest 1 m. Open in a map
- River, by its own name
- Blyth
- River, by the map
- River BlythPlaced on the river its name gives, 7 m from the line.
- Next gauge downstream
- None tracedIts water reaches the sea without passing a gauge.
- Nearest gauge upstream
- Hartford Bridge On the River Blyth · 5.5 km along the river
- Why it was sampled
- Monitoring (national agency policy) (35 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
101.8%
Sampled 11 May 2026, 5 months ago · 24 results banked
Every result (24)
| Sampled | Result as published | Reads as |
|---|---|---|
| 11 May 2026, 10:05 | 101.8 | 101.8% |
| 8 Apr 2026, 11:07 | 109.6 | 109.6% |
| 4 Mar 2026, 10:45 | 103.8 | 103.8% |
| 3 Feb 2026, 09:09 | 98.6 | 98.6% |
| 5 Jan 2026, 08:35 | 80.9 | 80.9% |
| 1 Dec 2025, 13:30 | 100.1 | 100.1% |
| 5 Nov 2025, 12:24 | 91 | 91% |
| 3 Oct 2025, 10:48 | 95.4 | 95.4% |
| 2 Sep 2025, 09:18 | 86.6 | 86.6% |
| 5 Aug 2025, 12:20 | 97.4 | 97.4% |
| 9 Jul 2025, 10:00 | 90.3 | 90.3% |
| 4 Jun 2025, 09:27 | 86.1 | 86.1% |
| 1 May 2025, 12:27 | 116 | 116% |
| 1 Apr 2025, 10:15 | 96 | 96% |
| 3 Mar 2025, 11:30 | 109 | 109% |
| 3 Feb 2025, 12:41 | 104.4 | 104.4% |
| 20 Jan 2025, 09:25 | 100.7 | 100.7% |
| 3 Dec 2024, 13:22 | 100.8 | 100.8% |
| 18 Nov 2024, 13:07 | 104.4 | 104.4% |
| 16 Oct 2024, 08:59 | 98.7 | 98.7% |
| 16 Sep 2024, 08:49 | 94.7 | 94.7% |
| 22 Aug 2024, 09:43 | 107 | 107% |
| 15 Jul 2024, 13:28 | 96.4 | 96.4% |
| 21 Jun 2024, 09:59 | 99.3 | 99.3% |
Dissolved oxygen
as O2 · code 9924 · mg/l
11.7 mg/l
Sampled 11 May 2026, 5 months ago · 24 results banked
Every result (24)
| Sampled | Result as published | Reads as |
|---|---|---|
| 11 May 2026, 10:05 | 11.7 | 11.7 mg/l |
| 8 Apr 2026, 11:07 | 12.6 | 12.6 mg/l |
| 4 Mar 2026, 10:45 | 12.8 | 12.8 mg/l |
| 3 Feb 2026, 09:09 | 12.5 | 12.5 mg/l |
| 5 Jan 2026, 08:35 | 11.8 | 11.8 mg/l |
| 1 Dec 2025, 13:30 | 12.4 | 12.4 mg/l |
| 5 Nov 2025, 12:24 | 9.99 | 9.99 mg/l |
| 3 Oct 2025, 10:48 | 10.1 | 10.1 mg/l |
| 2 Sep 2025, 09:18 | 8.82 | 8.82 mg/l |
| 5 Aug 2025, 12:20 | 9.78 | 9.78 mg/l |
| 9 Jul 2025, 10:00 | 8.83 | 8.83 mg/l |
| 4 Jun 2025, 09:27 | 9.05 | 9.05 mg/l |
| 1 May 2025, 12:27 | 11.6 | 11.6 mg/l |
| 1 Apr 2025, 10:15 | 11.3 | 11.3 mg/l |
| 3 Mar 2025, 11:30 | 13.3 | 13.3 mg/l |
| 3 Feb 2025, 12:41 | 13.6 | 13.6 mg/l |
| 20 Jan 2025, 09:25 | 13.8 | 13.8 mg/l |
| 3 Dec 2024, 13:22 | 12.6 | 12.6 mg/l |
| 18 Nov 2024, 13:07 | 13.4 | 13.4 mg/l |
| 16 Oct 2024, 08:59 | 11.7 | 11.7 mg/l |
| 16 Sep 2024, 08:49 | 10.4 | 10.4 mg/l |
| 22 Aug 2024, 09:43 | 10.8 | 10.8 mg/l |
| 15 Jul 2024, 13:28 | 9.93 | 9.93 mg/l |
| 21 Jun 2024, 09:59 | 9.97 | 9.97 mg/l |
Water temperature
code 0076 · °C
9.1 °C
Sampled 11 May 2026, 5 months ago · 24 results banked
Every result (24)
| Sampled | Result as published | Reads as |
|---|---|---|
| 11 May 2026, 10:05 | 9.1 | 9.1 °C |
| 8 Apr 2026, 11:07 | 9.3 | 9.3 °C |
| 4 Mar 2026, 10:45 | 6.2 | 6.2 °C |
| 3 Feb 2026, 09:09 | 5.3 | 5.3 °C |
| 5 Jan 2026, 08:35 | 0 | 0 °C |
| 1 Dec 2025, 13:30 | 6.2 | 6.2 °C |
| 5 Nov 2025, 12:24 | 11.1 | 11.1 °C |
| 3 Oct 2025, 10:48 | 12.8 | 12.8 °C |
| 2 Sep 2025, 09:18 | 14.4 | 14.4 °C |
| 5 Aug 2025, 12:20 | 15.1 | 15.1 °C |
| 9 Jul 2025, 10:00 | 16.3 | 16.3 °C |
| 4 Jun 2025, 09:27 | 13 | 13 °C |
| 1 May 2025, 12:27 | 15.2 | 15.2 °C |
| 1 Apr 2025, 10:15 | 8.2 | 8.2 °C |
| 3 Mar 2025, 11:30 | 6.6 | 6.6 °C |
| 3 Feb 2025, 12:41 | 4.1 | 4.1 °C |
| 20 Jan 2025, 09:25 | 2.2 | 2.2 °C |
| 3 Dec 2024, 13:22 | 5.9 | 5.9 °C |
| 18 Nov 2024, 13:07 | 4.7 | 4.7 °C |
| 16 Oct 2024, 08:59 | 8 | 8 °C |
| 16 Sep 2024, 08:49 | 10.9 | 10.9 °C |
| 22 Aug 2024, 09:43 | 14.8 | 14.8 °C |
| 15 Jul 2024, 13:28 | 13.9 | 13.9 °C |
| 21 Jun 2024, 09:59 | 15.1 | 15.1 °C |
pH
code 0061
8.87
Sampled 11 May 2026, 5 months ago · 24 results banked
Every result (24)
| Sampled | Result as published | Reads as |
|---|---|---|
| 11 May 2026, 10:05 | 8.87 | 8.87 |
| 8 Apr 2026, 11:07 | 8.63 | 8.63 |
| 4 Mar 2026, 10:45 | 8.44 | 8.44 |
| 3 Feb 2026, 09:09 | 8.15 | 8.15 |
| 5 Jan 2026, 08:35 | 8.42 | 8.42 |
| 1 Dec 2025, 13:30 | 7.88 | 7.88 |
| 5 Nov 2025, 12:24 | 8.26 | 8.26 |
| 3 Oct 2025, 10:48 | 8.1 | 8.1 |
| 2 Sep 2025, 09:18 | 8.18 | 8.18 |
| 5 Aug 2025, 12:20 | 8.44 | 8.44 |
| 9 Jul 2025, 10:00 | 8 | 8 |
| 4 Jun 2025, 09:27 | 8.22 | 8.22 |
| 1 May 2025, 12:27 | 8.47 | 8.47 |
| 1 Apr 2025, 10:15 | 8.49 | 8.49 |
| 3 Mar 2025, 11:30 | 8.64 | 8.64 |
| 3 Feb 2025, 12:41 | 8.49 | 8.49 |
| 20 Jan 2025, 09:25 | 8.49 | 8.49 |
| 3 Dec 2024, 13:22 | 8.39 | 8.39 |
| 18 Nov 2024, 13:07 | 8.72 | 8.72 |
| 16 Oct 2024, 08:59 | 8.26 | 8.26 |
| 16 Sep 2024, 08:49 | 8.36 | 8.36 |
| 22 Aug 2024, 09:43 | 8.38 | 8.38 |
| 15 Jul 2024, 13:28 | 8.15 | 8.15 |
| 21 Jun 2024, 09:59 | 8.54 | 8.54 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.037 mg/l
Sampled 11 May 2026, 5 months ago · 24 results banked
Every result (24)
| Sampled | Result as published | Reads as |
|---|---|---|
| 11 May 2026, 10:05 | 0.037 | 0.037 mg/l |
| 8 Apr 2026, 11:07 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Mar 2026, 10:45 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Feb 2026, 09:09 | 0.034 | 0.034 mg/l |
| 5 Jan 2026, 08:35 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 Dec 2025, 13:30 | 0.066 | 0.066 mg/l |
| 5 Nov 2025, 12:24 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Oct 2025, 10:48 | 0.086 | 0.086 mg/l |
| 2 Sep 2025, 09:18 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Aug 2025, 12:20 | <0.03 | below 0.03 mg/l (not detected above this) |
| 9 Jul 2025, 10:00 | 0.035 | 0.035 mg/l |
| 4 Jun 2025, 09:27 | 0.046 | 0.046 mg/l |
| 1 May 2025, 12:27 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 Apr 2025, 10:15 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Mar 2025, 11:30 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Feb 2025, 12:41 | <0.03 | below 0.03 mg/l (not detected above this) |
| 20 Jan 2025, 09:25 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Dec 2024, 13:22 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Nov 2024, 13:07 | <0.03 | below 0.03 mg/l (not detected above this) |
| 16 Oct 2024, 08:59 | <0.03 | below 0.03 mg/l (not detected above this) |
| 16 Sep 2024, 08:49 | <0.03 | below 0.03 mg/l (not detected above this) |
| 22 Aug 2024, 09:43 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Jul 2024, 13:28 | 0.073 | 0.073 mg/l |
| 21 Jun 2024, 09:59 | <0.03 | below 0.03 mg/l (not detected above this) |
Nitrate
as nitrogen (N) · code 0117 · mg/l
1.28 mg/l
Sampled 11 May 2026, 5 months ago · 24 results banked
Every result (24)
| Sampled | Result as published | Reads as |
|---|---|---|
| 11 May 2026, 10:05 | 1.28 | 1.28 mg/l |
| 8 Apr 2026, 11:07 | 1.39 | 1.39 mg/l |
| 4 Mar 2026, 10:45 | 2.7 | 2.7 mg/l |
| 3 Feb 2026, 09:09 | 3.79 | 3.79 mg/l |
| 5 Jan 2026, 08:35 | 2.99 | 2.99 mg/l |
| 1 Dec 2025, 13:30 | 4.59 | 4.59 mg/l |
| 5 Nov 2025, 12:24 | 0.777 | 0.777 mg/l |
| 3 Oct 2025, 10:48 | 0.852 | 0.852 mg/l |
| 2 Sep 2025, 09:18 | 0.476 | 0.476 mg/l |
| 5 Aug 2025, 12:20 | 0.406 | 0.406 mg/l |
| 9 Jul 2025, 10:00 | 0.645 | 0.645 mg/l |
| 4 Jun 2025, 09:27 | 0.637 | 0.637 mg/l |
| 1 May 2025, 12:27 | 0.326 | 0.326 mg/l |
| 1 Apr 2025, 10:15 | 1.09 | 1.09 mg/l |
| 3 Mar 2025, 11:30 | 1.7 | 1.7 mg/l |
| 3 Feb 2025, 12:41 | 2.49 | 2.49 mg/l |
| 20 Jan 2025, 09:25 | 2.49 | 2.49 mg/l |
| 3 Dec 2024, 13:22 | 2.69 | 2.69 mg/l |
| 18 Nov 2024, 13:07 | 1.7 | 1.7 mg/l |
| 16 Oct 2024, 08:59 | 2.59 | 2.59 mg/l |
| 16 Sep 2024, 08:49 | 1.5 | 1.5 mg/l |
| 22 Aug 2024, 09:43 | 0.756 | 0.756 mg/l |
| 15 Jul 2024, 13:28 | 2.97 | 2.97 mg/l |
| 21 Jun 2024, 09:59 | 1.89 | 1.89 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.031 mg/l
Sampled 11 May 2026, 5 months ago · 24 results banked
Every result (24)
| Sampled | Result as published | Reads as |
|---|---|---|
| 11 May 2026, 10:05 | 0.031 | 0.031 mg/l |
| 8 Apr 2026, 11:07 | 0.014 | 0.014 mg/l |
| 4 Mar 2026, 10:45 | 0.029 | 0.029 mg/l |
| 3 Feb 2026, 09:09 | 0.037 | 0.037 mg/l |
| 5 Jan 2026, 08:35 | 0.049 | 0.049 mg/l |
| 1 Dec 2025, 13:30 | 0.074 | 0.074 mg/l |
| 5 Nov 2025, 12:24 | 0.1 | 0.1 mg/l |
| 3 Oct 2025, 10:48 | 0.072 | 0.072 mg/l |
| 2 Sep 2025, 09:18 | 0.094 | 0.094 mg/l |
| 5 Aug 2025, 12:20 | 0.086 | 0.086 mg/l |
| 9 Jul 2025, 10:00 | 0.09 | 0.09 mg/l |
| 4 Jun 2025, 09:27 | 0.075 | 0.075 mg/l |
| 1 May 2025, 12:27 | 0.03 | 0.03 mg/l |
| 1 Apr 2025, 10:15 | 0.017 | 0.017 mg/l |
| 3 Mar 2025, 11:30 | 0.012 | 0.012 mg/l |
| 3 Feb 2025, 12:41 | 0.031 | 0.031 mg/l |
| 20 Jan 2025, 09:25 | 0.035 | 0.035 mg/l |
| 3 Dec 2024, 13:22 | 0.051 | 0.051 mg/l |
| 18 Nov 2024, 13:07 | 0.048 | 0.048 mg/l |
| 16 Oct 2024, 08:59 | 0.046 | 0.046 mg/l |
| 16 Sep 2024, 08:49 | 0.093 | 0.093 mg/l |
| 22 Aug 2024, 09:43 | 0.071 | 0.071 mg/l |
| 15 Jul 2024, 13:28 | 0.07 | 0.07 mg/l |
| 21 Jun 2024, 09:59 | 0.055 | 0.055 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
618 µS/cm
Sampled 11 May 2026, 5 months ago · 24 results banked
Every result (24)
| Sampled | Result as published | Reads as |
|---|---|---|
| 11 May 2026, 10:05 | 618 | 618 µS/cm |
| 8 Apr 2026, 11:07 | 542 | 542 µS/cm |
| 4 Mar 2026, 10:45 | 576 | 576 µS/cm |
| 3 Feb 2026, 09:09 | 467 | 467 µS/cm |
| 5 Jan 2026, 08:35 | 645 | 645 µS/cm |
| 1 Dec 2025, 13:30 | 469 | 469 µS/cm |
| 5 Nov 2025, 12:24 | 541 | 541 µS/cm |
| 3 Oct 2025, 10:48 | 489 | 489 µS/cm |
| 2 Sep 2025, 09:18 | 594 | 594 µS/cm |
| 5 Aug 2025, 12:20 | 532 | 532 µS/cm |
| 9 Jul 2025, 10:00 | 596 | 596 µS/cm |
| 4 Jun 2025, 09:27 | 581 | 581 µS/cm |
| 1 May 2025, 12:27 | 555 | 555 µS/cm |
| 1 Apr 2025, 10:15 | 633 | 633 µS/cm |
| 3 Mar 2025, 11:30 | 605 | 605 µS/cm |
| 3 Feb 2025, 12:41 | 610 | 610 µS/cm |
| 20 Jan 2025, 09:25 | 587 | 587 µS/cm |
| 3 Dec 2024, 13:22 | 583 | 583 µS/cm |
| 18 Nov 2024, 13:07 | 604 | 604 µS/cm |
| 16 Oct 2024, 08:59 | 573 | 573 µS/cm |
| 16 Sep 2024, 08:49 | 565 | 565 µS/cm |
| 22 Aug 2024, 09:43 | 552 | 552 µS/cm |
| 15 Jul 2024, 13:28 | 452 | 452 µS/cm |
| 21 Jun 2024, 09:59 | 546 | 546 µS/cm |
Everything measured here
75 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 75 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 24 | Jun 2024 – May 2026 | 101.8% 11 May 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 24 | Jun 2024 – May 2026 | 11.7 mg/l 11 May 2026 |
| Temperature of Water 0076 | River water | 24 | Jun 2024 – May 2026 | 9.1 °C 11 May 2026 |
| pH 0061 | River water | 24 | Jun 2024 – May 2026 | 8.87 11 May 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 24 | Jun 2024 – May 2026 | 0.037 mg/l 11 May 2026 |
| Nitrate as N 0117 | River water | 24 | Jun 2024 – May 2026 | 1.28 mg/l 11 May 2026 |
| Orthophosphate, reactive as P 0180 | River water | 24 | Jun 2024 – May 2026 | 0.031 mg/l 11 May 2026 |
| Conductivity at 25 C 0077 | River water | 24 | Jun 2024 – May 2026 | 618 µS/cm 11 May 2026 |
| 10:2 Fluorotelomer sulfonic acid 2994 | River water | 1 | Jan 2026 – Jan 2026 | below 0.002 µg/l 5 Jan 2026 |
| 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| 2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| 2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| 2H,2H,3H,3H-Perfluorooctanoic acid 2989 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| 2H-Perfluoro-2-decenoic acid 2888 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| 3-Perfluoroheptylpropanoic acid 2925 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| 3:3 Fluorotelomer carboxylic acid 2926 | River water | 1 | Jan 2026 – Jan 2026 | below 0.004 µg/l 5 Jan 2026 |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| 4:2 Fluorotelomer sulfonic acid 2987 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| 5:1:2 Fluorotelomer betaine 2887 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| 5:3 Fluorotelomer betaine 2886 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| 6:2 Fluorotelomer phosphate diester 2986 | River water | 1 | Jan 2026 – Jan 2026 | below 0.004 µg/l 5 Jan 2026 |
| 6:2 Fluorotelomer sulfonic acid 2984 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| 6:2/8:2 Fluorotelomer phosphate diester 2884 | River water | 1 | Jan 2026 – Jan 2026 | below 0.01 µg/l 5 Jan 2026 |
| 6:6 Perfluorophosphinic acid 2883 | River water | 1 | Jan 2026 – Jan 2026 | below 0.004 µg/l 5 Jan 2026 |
| 6:8 Perfluorophosphinic acid 2882 | River water | 1 | Jan 2026 – Jan 2026 | below 0.01 µg/l 5 Jan 2026 |
| 8:2 Fluorotelomer phosphate diester 2880 | River water | 1 | Jan 2026 – Jan 2026 | below 0.004 µg/l 5 Jan 2026 |
| 8:2 Fluorotelomer sulfonic acid 2983 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| 8:8 Perfluorophosphinic acid 2879 | River water | 1 | Jan 2026 – Jan 2026 | below 0.01 µg/l 5 Jan 2026 |
| 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 24 | Jun 2024 – May 2026 | 190 mg/l 11 May 2026 |
| Ammonia un-ionised as N 0119 | River water | 24 | Jun 2024 – May 2026 | 0.00063 mg/l 11 May 2026 |
| BOD : 5 Day ATU 0085 | River water | 23 | Jun 2024 – May 2026 | 1.8 mg/l 11 May 2026 |
| GCMS Screen : Target Based multi-residue screening : Semi Quantitative 4994 | River water | 33 | Oct 2023 – Aug 2026 | 1 text result 7 Aug 2026 |
| Hexafluoropropylene oxide dimer acid (Gen X) 2981 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| Hexafluoropropylene oxide trimer acid 2980 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| LCMS Screen : Semi Quantitative 7299 | River water | 34 | Oct 2023 – Aug 2026 | 1 text result 7 Aug 2026 |
| N-Ethylperfluorooctanesulfonamide 2977 | River water | 1 | Jan 2026 – Jan 2026 | below 0.002 µg/l 5 Jan 2026 |
| N-methylperfluorooctanesulfonamide 2975 | River water | 1 | Jan 2026 – Jan 2026 | below 0.002 µg/l 5 Jan 2026 |
| Nitrite as N 0118 | River water | 24 | Jun 2024 – May 2026 | 0.017 mg/l 11 May 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 24 | Jun 2024 – May 2026 | 1.3 mg/l 11 May 2026 |
| Non Target Screening : Water 2876 | River water | 14 | Jan 2025 – Aug 2026 | 1 text result 7 Aug 2026 |
| Perfluoro(2-ethoxyethane)sulfonic acid 2924 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluoro(4-methoxybutanoic) acid 2923 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluoro-3,6-dioxaheptanoic acid 2922 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluoro-3-methoxypropanoic acid 2921 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluoro-4-ethylcyclohexanesulfonic acid 2973 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluorobutanesulfonic acid 2972 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| Perfluorobutanoic acid 2995 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluorodecanesulfonic acid 2969 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| Perfluorodecanoic acid 8892 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| Perfluorododecane sulfonic acid 2968 | River water | 1 | Jan 2026 – Jan 2026 | below 0.005 µg/l 5 Jan 2026 |
| Perfluorododecanoic acid 8894 | River water | 1 | Jan 2026 – Jan 2026 | below 0.002 µg/l 5 Jan 2026 |
| Perfluoroheptanesulfonic acid 2967 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluoroheptanoic acid 8889 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| Perfluorohexanesulfonamide 2965 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluorohexanesulfonic acid (B) 2944 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluorohexanesulfonic acid (L) 2964 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluorohexanoic acid 8888 | River water | 1 | Jan 2026 – Jan 2026 | 0.00076 µg/l 5 Jan 2026 |
| Perfluorononanesulfonic acid 2963 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluorononanoic acid 8891 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| Perfluorooctadecanoic acid 2962 | River water | 1 | Jan 2026 – Jan 2026 | below 0.002 µg/l 5 Jan 2026 |
| Perfluorooctanesulfonamide 2961 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| Perfluorooctanesulfonic acid (branched) 2960 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluorooctanesulfonic acid (linear) 2959 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluorooctanesulfonic acid (total) 2958 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| Perfluorooctanoic acid 8890 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluoropentanesulfonic acid 2957 | River water | 1 | Jan 2026 – Jan 2026 | below 0.0005 µg/l 5 Jan 2026 |
| Perfluoropentanoic acid 8887 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 Jan 2026 |
| Perfluorotetradecanoic acid 8895 | River water | 1 | Jan 2026 – Jan 2026 | below 0.006 µg/l 5 Jan 2026 |
| Perfluorotridecanoic acid 2955 | River water | 1 | Jan 2026 – Jan 2026 | below 0.002 µg/l 5 Jan 2026 |
| Perfluoroundecane sulfonic acid 2953 | River water | 1 | Jan 2026 – Jan 2026 | below 0.004 µg/l 5 Jan 2026 |
| Perfluoroundecanoic acid 8893 | River water | 1 | Jan 2026 – Jan 2026 | below 0.001 µg/l 5 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.