Stapleton Brook at Wayford Bridge

EA name: STAPLETON BROOK AT WAYFORD BRIDGE
Environment Agency sampling point MD-26492160 · 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
28 May 2026, 11:564 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone). Not sampled since, as far as the archive shows: the Environment Agency was asked up to 30 Sep 2026 and had nothing newer.
Samples banked
22 since 17 May 2024 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 347539, 303812As published, to the nearest 1 m. Open in a map
River, by its own name
Stapleton Brook
River, by the map
Not placedTwo watercourses within reach (2 m and 22 m) and no name to choose by. 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 · %

75%

Sampled 28 May 2026, 4 months ago · 21 results banked

20406080100120%20242025202614 Jun 2024, 12:20: 91.1%15 Jul 2024, 09:23: 89.9%23 Aug 2024, 11:28: 73%23 Sep 2024, 13:15: 94.8%14 Oct 2024, 14:07: 98%29 Nov 2024, 10:56: 99.7%2 Dec 2024, 09:44: 96.8%20 Jan 2025, 12:54: 101.4%18 Feb 2025, 14:12: 97.4%21 Mar 2025, 13:20: 100.7%9 Apr 2025, 14:11: 102.9%6 May 2025, 13:23: 98%13 Jun 2025, 13:11: 31.2%22 Jul 2025, 11:44: 32.1%12 Aug 2025, 11:29: 49.1%15 Sep 2025, 09:21: 74.4%13 Oct 2025, 10:14: 63.6%26 Nov 2025, 11:46: 99.7%10 Dec 2025, 12:35: 94.9%6 Feb 2026, 11:48: 97.5%28 May 2026, 11:56: 75%
Every result (21)
SampledResult as publishedReads as
28 May 2026, 11:5675 75%
6 Feb 2026, 11:4897.5 97.5%
10 Dec 2025, 12:3594.9 94.9%
26 Nov 2025, 11:4699.7 99.7%
13 Oct 2025, 10:1463.6 63.6%
15 Sep 2025, 09:2174.4 74.4%
12 Aug 2025, 11:2949.1 49.1%
22 Jul 2025, 11:4432.1 32.1%
13 Jun 2025, 13:1131.2 31.2%
6 May 2025, 13:2398 98%
9 Apr 2025, 14:11102.9 102.9%
21 Mar 2025, 13:20100.7 100.7%
18 Feb 2025, 14:1297.4 97.4%
20 Jan 2025, 12:54101.4 101.4%
2 Dec 2024, 09:4496.8 96.8%
29 Nov 2024, 10:5699.7 99.7%
14 Oct 2024, 14:0798 98%
23 Sep 2024, 13:1594.8 94.8%
23 Aug 2024, 11:2873 73%
15 Jul 2024, 09:2389.9 89.9%
14 Jun 2024, 12:2091.1 91.1%

Dissolved oxygen

as O2 · code 9924 · mg/l

7.13 mg/l

Sampled 28 May 2026, 4 months ago · 21 results banked

2.557.51012.515mg/l20242025202614 Jun 2024, 12:20: 9.75 mg/l15 Jul 2024, 09:23: 9.43 mg/l23 Aug 2024, 11:28: 7.45 mg/l23 Sep 2024, 13:15: 9.9 mg/l14 Oct 2024, 14:07: 11.3 mg/l29 Nov 2024, 10:56: 12.1 mg/l2 Dec 2024, 09:44: 11.3 mg/l20 Jan 2025, 12:54: 12.9 mg/l18 Feb 2025, 14:12: 12.7 mg/l21 Mar 2025, 13:20: 11.3 mg/l9 Apr 2025, 14:11: 11.5 mg/l6 May 2025, 13:23: 10.9 mg/l13 Jun 2025, 13:11: 3.05 mg/l22 Jul 2025, 11:44: 3.12 mg/l12 Aug 2025, 11:29: 4.78 mg/l15 Sep 2025, 09:21: 7.96 mg/l13 Oct 2025, 10:14: 7.1 mg/l26 Nov 2025, 11:46: 12.8 mg/l10 Dec 2025, 12:35: 11 mg/l6 Feb 2026, 11:48: 12.2 mg/l28 May 2026, 11:56: 7.13 mg/l
Every result (21)
SampledResult as publishedReads as
28 May 2026, 11:567.13 7.13 mg/l
6 Feb 2026, 11:4812.2 12.2 mg/l
10 Dec 2025, 12:3511 11 mg/l
26 Nov 2025, 11:4612.8 12.8 mg/l
13 Oct 2025, 10:147.1 7.1 mg/l
15 Sep 2025, 09:217.96 7.96 mg/l
12 Aug 2025, 11:294.78 4.78 mg/l
22 Jul 2025, 11:443.12 3.12 mg/l
13 Jun 2025, 13:113.05 3.05 mg/l
6 May 2025, 13:2310.9 10.9 mg/l
9 Apr 2025, 14:1111.5 11.5 mg/l
21 Mar 2025, 13:2011.3 11.3 mg/l
18 Feb 2025, 14:1212.7 12.7 mg/l
20 Jan 2025, 12:5412.9 12.9 mg/l
2 Dec 2024, 09:4411.3 11.3 mg/l
29 Nov 2024, 10:5612.1 12.1 mg/l
14 Oct 2024, 14:0711.3 11.3 mg/l
23 Sep 2024, 13:159.9 9.9 mg/l
23 Aug 2024, 11:287.45 7.45 mg/l
15 Jul 2024, 09:239.43 9.43 mg/l
14 Jun 2024, 12:209.75 9.75 mg/l

Water temperature

code 0076 · °C

17.7 °C

Sampled 28 May 2026, 4 months ago · 21 results banked

05101520°C20242025202614 Jun 2024, 12:20: 12.2 °C15 Jul 2024, 09:23: 13.1 °C23 Aug 2024, 11:28: 14.3 °C23 Sep 2024, 13:15: 13.3 °C14 Oct 2024, 14:07: 9.1 °C29 Nov 2024, 10:56: 7.1 °C2 Dec 2024, 09:44: 8.4 °C20 Jan 2025, 12:54: 5 °C18 Feb 2025, 14:12: 4.1 °C21 Mar 2025, 13:20: 10.1 °C9 Apr 2025, 14:11: 10.4 °C6 May 2025, 13:23: 10.4 °C13 Jun 2025, 13:11: 16.3 °C22 Jul 2025, 11:44: 16.6 °C12 Aug 2025, 11:29: 16.5 °C15 Sep 2025, 09:21: 12.2 °C13 Oct 2025, 10:14: 10.4 °C26 Nov 2025, 11:46: 4.6 °C10 Dec 2025, 12:35: 8.9 °C6 Feb 2026, 11:48: 5.7 °C28 May 2026, 11:56: 17.7 °C
Every result (21)
SampledResult as publishedReads as
28 May 2026, 11:5617.7 17.7 °C
6 Feb 2026, 11:485.7 5.7 °C
10 Dec 2025, 12:358.9 8.9 °C
26 Nov 2025, 11:464.6 4.6 °C
13 Oct 2025, 10:1410.4 10.4 °C
15 Sep 2025, 09:2112.2 12.2 °C
12 Aug 2025, 11:2916.5 16.5 °C
22 Jul 2025, 11:4416.6 16.6 °C
13 Jun 2025, 13:1116.3 16.3 °C
6 May 2025, 13:2310.4 10.4 °C
9 Apr 2025, 14:1110.4 10.4 °C
21 Mar 2025, 13:2010.1 10.1 °C
18 Feb 2025, 14:124.1 4.1 °C
20 Jan 2025, 12:545 5 °C
2 Dec 2024, 09:448.4 8.4 °C
29 Nov 2024, 10:567.1 7.1 °C
14 Oct 2024, 14:079.1 9.1 °C
23 Sep 2024, 13:1513.3 13.3 °C
23 Aug 2024, 11:2814.3 14.3 °C
15 Jul 2024, 09:2313.1 13.1 °C
14 Jun 2024, 12:2012.2 12.2 °C

pH

code 0061

7.58

Sampled 28 May 2026, 4 months ago · 21 results banked

7.27.47.67.888.220242025202614 Jun 2024, 12:20: 7.7815 Jul 2024, 09:23: 7.9223 Aug 2024, 11:28: 7.6223 Sep 2024, 13:15: 7.6514 Oct 2024, 14:07: 7.9229 Nov 2024, 10:56: 8.052 Dec 2024, 09:44: 7.9220 Jan 2025, 12:54: 7.9818 Feb 2025, 14:12: 8.0921 Mar 2025, 13:20: 8.089 Apr 2025, 14:11: 8.056 May 2025, 13:23: 7.9613 Jun 2025, 13:11: 7.5722 Jul 2025, 11:44: 7.3712 Aug 2025, 11:29: 7.715 Sep 2025, 09:21: 7.813 Oct 2025, 10:14: 7.5426 Nov 2025, 11:46: 7.7110 Dec 2025, 12:35: 7.456 Feb 2026, 11:48: 7.4328 May 2026, 11:56: 7.58
Every result (21)
SampledResult as publishedReads as
28 May 2026, 11:567.58 7.58
6 Feb 2026, 11:487.43 7.43
10 Dec 2025, 12:357.45 7.45
26 Nov 2025, 11:467.71 7.71
13 Oct 2025, 10:147.54 7.54
15 Sep 2025, 09:217.8 7.8
12 Aug 2025, 11:297.7 7.7
22 Jul 2025, 11:447.37 7.37
13 Jun 2025, 13:117.57 7.57
6 May 2025, 13:237.96 7.96
9 Apr 2025, 14:118.05 8.05
21 Mar 2025, 13:208.08 8.08
18 Feb 2025, 14:128.09 8.09
20 Jan 2025, 12:547.98 7.98
2 Dec 2024, 09:447.92 7.92
29 Nov 2024, 10:568.05 8.05
14 Oct 2024, 14:077.92 7.92
23 Sep 2024, 13:157.65 7.65
23 Aug 2024, 11:287.62 7.62
15 Jul 2024, 09:237.92 7.92
14 Jun 2024, 12:207.78 7.78

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.22 mg/l

Sampled 28 May 2026, 4 months ago · 21 results banked

00.511.5mg/l20242025202614 Jun 2024, 12:20: 0.059 mg/l15 Jul 2024, 09:23: 0.16 mg/l23 Aug 2024, 11:28: below 0.03 mg/l (not detected above this)23 Sep 2024, 13:15: 0.11 mg/l14 Oct 2024, 14:07: 0.043 mg/l29 Nov 2024, 10:56: 0.067 mg/l2 Dec 2024, 09:44: 0.15 mg/l20 Jan 2025, 12:54: 0.098 mg/l18 Feb 2025, 14:12: 0.11 mg/l21 Mar 2025, 13:20: 0.05 mg/l9 Apr 2025, 14:11: 0.062 mg/l6 May 2025, 13:23: 0.094 mg/l13 Jun 2025, 13:11: 1.2 mg/l22 Jul 2025, 11:44: 1.2 mg/l12 Aug 2025, 11:29: 0.7 mg/l15 Sep 2025, 09:21: 0.061 mg/l13 Oct 2025, 10:14: 1 mg/l26 Nov 2025, 11:46: 0.048 mg/l10 Dec 2025, 12:35: 0.047 mg/l6 Feb 2026, 11:48: 0.45 mg/l28 May 2026, 11:56: 0.22 mg/l
Every result (21)
SampledResult as publishedReads as
28 May 2026, 11:560.22 0.22 mg/l
6 Feb 2026, 11:480.45 0.45 mg/l
10 Dec 2025, 12:350.047 0.047 mg/l
26 Nov 2025, 11:460.048 0.048 mg/l
13 Oct 2025, 10:141 1 mg/l
15 Sep 2025, 09:210.061 0.061 mg/l
12 Aug 2025, 11:290.7 0.7 mg/l
22 Jul 2025, 11:441.2 1.2 mg/l
13 Jun 2025, 13:111.2 1.2 mg/l
6 May 2025, 13:230.094 0.094 mg/l
9 Apr 2025, 14:110.062 0.062 mg/l
21 Mar 2025, 13:200.05 0.05 mg/l
18 Feb 2025, 14:120.11 0.11 mg/l
20 Jan 2025, 12:540.098 0.098 mg/l
2 Dec 2024, 09:440.15 0.15 mg/l
29 Nov 2024, 10:560.067 0.067 mg/l
14 Oct 2024, 14:070.043 0.043 mg/l
23 Sep 2024, 13:150.11 0.11 mg/l
23 Aug 2024, 11:28<0.03 below 0.03 mg/l (not detected above this)
15 Jul 2024, 09:230.16 0.16 mg/l
14 Jun 2024, 12:200.059 0.059 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

1.67 mg/l

Sampled 28 May 2026, 4 months ago · 21 results banked

051015mg/l20242025202614 Jun 2024, 12:20: 3.06 mg/l15 Jul 2024, 09:23: 5.05 mg/l23 Aug 2024, 11:28: 2.27 mg/l23 Sep 2024, 13:15: 7.75 mg/l14 Oct 2024, 14:07: 5.46 mg/l29 Nov 2024, 10:56: 6.88 mg/l2 Dec 2024, 09:44: 6.47 mg/l20 Jan 2025, 12:54: 6.78 mg/l18 Feb 2025, 14:12: 5.87 mg/l21 Mar 2025, 13:20: 5.27 mg/l9 Apr 2025, 14:11: 4.37 mg/l6 May 2025, 13:23: 2.56 mg/l13 Jun 2025, 13:11: below 0.196 mg/l (not detected above this)22 Jul 2025, 11:44: 0.385 mg/l12 Aug 2025, 11:29: 0.185 mg/l15 Sep 2025, 09:21: 1.97 mg/l13 Oct 2025, 10:14: 0.968 mg/l26 Nov 2025, 11:46: 14 mg/l10 Dec 2025, 12:35: 13 mg/l6 Feb 2026, 11:48: 4.98 mg/l28 May 2026, 11:56: 1.67 mg/l
Every result (21)
SampledResult as publishedReads as
28 May 2026, 11:561.67 1.67 mg/l
6 Feb 2026, 11:484.98 4.98 mg/l
10 Dec 2025, 12:3513 13 mg/l
26 Nov 2025, 11:4614 14 mg/l
13 Oct 2025, 10:140.968 0.968 mg/l
15 Sep 2025, 09:211.97 1.97 mg/l
12 Aug 2025, 11:290.185 0.185 mg/l
22 Jul 2025, 11:440.385 0.385 mg/l
13 Jun 2025, 13:11<0.196 below 0.196 mg/l (not detected above this)
6 May 2025, 13:232.56 2.56 mg/l
9 Apr 2025, 14:114.37 4.37 mg/l
21 Mar 2025, 13:205.27 5.27 mg/l
18 Feb 2025, 14:125.87 5.87 mg/l
20 Jan 2025, 12:546.78 6.78 mg/l
2 Dec 2024, 09:446.47 6.47 mg/l
29 Nov 2024, 10:566.88 6.88 mg/l
14 Oct 2024, 14:075.46 5.46 mg/l
23 Sep 2024, 13:157.75 7.75 mg/l
23 Aug 2024, 11:282.27 2.27 mg/l
15 Jul 2024, 09:235.05 5.05 mg/l
14 Jun 2024, 12:203.06 3.06 mg/l

Phosphate

orthophosphate, reactive, as P · code 0180 · mg/l

0.17 mg/l

Sampled 28 May 2026, 4 months ago · 21 results banked

00.10.20.30.4mg/l20242025202614 Jun 2024, 12:20: 0.1 mg/l15 Jul 2024, 09:23: 0.14 mg/l23 Aug 2024, 11:28: 0.14 mg/l23 Sep 2024, 13:15: 0.14 mg/l14 Oct 2024, 14:07: 0.056 mg/l29 Nov 2024, 10:56: 0.052 mg/l2 Dec 2024, 09:44: 0.12 mg/l20 Jan 2025, 12:54: 0.059 mg/l18 Feb 2025, 14:12: 0.088 mg/l21 Mar 2025, 13:20: 0.064 mg/l9 Apr 2025, 14:11: 0.078 mg/l6 May 2025, 13:23: 0.09 mg/l13 Jun 2025, 13:11: 0.27 mg/l22 Jul 2025, 11:44: 0.29 mg/l12 Aug 2025, 11:29: 0.32 mg/l15 Sep 2025, 09:21: 0.14 mg/l13 Oct 2025, 10:14: 0.22 mg/l26 Nov 2025, 11:46: 0.038 mg/l10 Dec 2025, 12:35: 0.048 mg/l6 Feb 2026, 11:48: 0.23 mg/l28 May 2026, 11:56: 0.17 mg/l
Every result (21)
SampledResult as publishedReads as
28 May 2026, 11:560.17 0.17 mg/l
6 Feb 2026, 11:480.23 0.23 mg/l
10 Dec 2025, 12:350.048 0.048 mg/l
26 Nov 2025, 11:460.038 0.038 mg/l
13 Oct 2025, 10:140.22 0.22 mg/l
15 Sep 2025, 09:210.14 0.14 mg/l
12 Aug 2025, 11:290.32 0.32 mg/l
22 Jul 2025, 11:440.29 0.29 mg/l
13 Jun 2025, 13:110.27 0.27 mg/l
6 May 2025, 13:230.09 0.09 mg/l
9 Apr 2025, 14:110.078 0.078 mg/l
21 Mar 2025, 13:200.064 0.064 mg/l
18 Feb 2025, 14:120.088 0.088 mg/l
20 Jan 2025, 12:540.059 0.059 mg/l
2 Dec 2024, 09:440.12 0.12 mg/l
29 Nov 2024, 10:560.052 0.052 mg/l
14 Oct 2024, 14:070.056 0.056 mg/l
23 Sep 2024, 13:150.14 0.14 mg/l
23 Aug 2024, 11:280.14 0.14 mg/l
15 Jul 2024, 09:230.14 0.14 mg/l
14 Jun 2024, 12:200.1 0.1 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

441 µS/cm

Sampled 28 May 2026, 4 months ago · 21 results banked

2004006008001000µS/cm20242025202614 Jun 2024, 12:20: 374 µS/cm15 Jul 2024, 09:23: 311 µS/cm23 Aug 2024, 11:28: 468 µS/cm23 Sep 2024, 13:15: 347 µS/cm14 Oct 2024, 14:07: 302 µS/cm29 Nov 2024, 10:56: 312 µS/cm2 Dec 2024, 09:44: 299 µS/cm20 Jan 2025, 12:54: 351 µS/cm18 Feb 2025, 14:12: 350 µS/cm21 Mar 2025, 13:20: 373 µS/cm9 Apr 2025, 14:11: 405 µS/cm6 May 2025, 13:23: 385 µS/cm13 Jun 2025, 13:11: 561 µS/cm22 Jul 2025, 11:44: 851 µS/cm12 Aug 2025, 11:29: 865 µS/cm15 Sep 2025, 09:21: 413 µS/cm13 Oct 2025, 10:14: 449 µS/cm26 Nov 2025, 11:46: 379 µS/cm10 Dec 2025, 12:35: 364 µS/cm6 Feb 2026, 11:48: 248 µS/cm28 May 2026, 11:56: 441 µS/cm
Every result (21)
SampledResult as publishedReads as
28 May 2026, 11:56441 441 µS/cm
6 Feb 2026, 11:48248 248 µS/cm
10 Dec 2025, 12:35364 364 µS/cm
26 Nov 2025, 11:46379 379 µS/cm
13 Oct 2025, 10:14449 449 µS/cm
15 Sep 2025, 09:21413 413 µS/cm
12 Aug 2025, 11:29865 865 µS/cm
22 Jul 2025, 11:44851 851 µS/cm
13 Jun 2025, 13:11561 561 µS/cm
6 May 2025, 13:23385 385 µS/cm
9 Apr 2025, 14:11405 405 µS/cm
21 Mar 2025, 13:20373 373 µS/cm
18 Feb 2025, 14:12350 350 µS/cm
20 Jan 2025, 12:54351 351 µS/cm
2 Dec 2024, 09:44299 299 µS/cm
29 Nov 2024, 10:56312 312 µS/cm
14 Oct 2024, 14:07302 302 µS/cm
23 Sep 2024, 13:15347 347 µS/cm
23 Aug 2024, 11:28468 468 µS/cm
15 Jul 2024, 09:23311 311 µS/cm
14 Jun 2024, 12:20374 374 µS/cm

Everything measured here

60 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 60 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 21 Jun 2024 – May 2026 75% 28 May 2026
Oxygen, Dissolved as O2 9924 River water 21 Jun 2024 – May 2026 7.13 mg/l 28 May 2026
Temperature of Water 0076 River water 21 Jun 2024 – May 2026 17.7 °C 28 May 2026
pH 0061 River water 21 Jun 2024 – May 2026 7.58 28 May 2026
Ammoniacal Nitrogen as N 0111 River water 21 Jun 2024 – May 2026 0.22 mg/l 28 May 2026
Nitrate as N 0117 River water 21 Jun 2024 – May 2026 1.67 mg/l 28 May 2026
Orthophosphate, reactive as P 0180 River water 21 Jun 2024 – May 2026 0.17 mg/l 28 May 2026
Conductivity at 25 C 0077 River water 21 Jun 2024 – May 2026 441 µS/cm 28 May 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 3 May 2024 – Sep 2024 below 0.001 µg/l 23 Sep 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 3 May 2024 – Sep 2024 below 0.001 µg/l 23 Sep 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 3 May 2024 – Sep 2024 below 0.001 µg/l 23 Sep 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 3 May 2024 – Sep 2024 below 0.002 µg/l 23 Sep 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 3 May 2024 – Sep 2024 below 0.001 µg/l 23 Sep 2024
3-Perfluoroheptylpropanoic acid 2925 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
3:3 Fluorotelomer carboxylic acid 2926 River water 3 May 2024 – Sep 2024 below 0.004 µg/l 23 Sep 2024
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 3 May 2024 – Sep 2024 below 0.005 µg/l 23 Sep 2024
4:2 Fluorotelomer sulfonic acid 2987 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
6:2 Fluorotelomer sulfonic acid 2984 River water 3 May 2024 – Sep 2024 0.001 µg/l 23 Sep 2024
8:2 Fluorotelomer sulfonic acid 2983 River water 3 May 2024 – Sep 2024 below 0.001 µg/l 23 Sep 2024
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Alkalinity to pH 4.5 as CaCO3 0162 River water 21 Jun 2024 – May 2026 160 mg/l 28 May 2026
Ammonia un-ionised as N 0119 River water 21 Jun 2024 – May 2026 0.00273 mg/l 28 May 2026
BOD : 5 Day ATU 0085 River water 20 Jun 2024 – May 2026 1.4 mg/l 28 May 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 3 May 2024 – Sep 2024 below 0.001 µg/l 23 Sep 2024
N-Ethylperfluorooctanesulfonamide 2977 River water 3 May 2024 – Sep 2024 below 0.002 µg/l 23 Sep 2024
N-methylperfluorooctanesulfonamide 2975 River water 3 May 2024 – Sep 2024 below 0.002 µg/l 23 Sep 2024
Nitrite as N 0118 River water 21 Jun 2024 – May 2026 0.13 mg/l 28 May 2026
Nitrogen, Total Oxidised as N 0116 River water 21 Jun 2024 – May 2026 1.8 mg/l 28 May 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluoro(4-methoxybutanoic) acid 2923 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluoro-3-methoxypropanoic acid 2921 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluorobutanesulfonic acid 2972 River water 3 May 2024 – Sep 2024 0.0089 µg/l 23 Sep 2024
Perfluorobutanoic acid 2995 River water 2 May 2024 – Sep 2024 0.0058 µg/l 23 Sep 2024
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluorodecanesulfonic acid 2969 River water 3 May 2024 – Sep 2024 below 0.002 µg/l 23 Sep 2024
Perfluorodecanoic acid 8892 River water 3 May 2024 – Sep 2024 below 0.002 µg/l 23 Sep 2024
Perfluorododecane sulfonic acid 2968 River water 3 May 2024 – Sep 2024 below 0.005 µg/l 23 Sep 2024
Perfluorododecanoic acid 8894 River water 3 May 2024 – Sep 2024 below 0.002 µg/l 23 Sep 2024
Perfluoroheptanesulfonic acid 2967 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluoroheptanoic acid 8889 River water 3 May 2024 – Sep 2024 below 0.001 µg/l 23 Sep 2024
Perfluorohexanesulfonamide 2965 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluorohexanesulfonic acid (B) 2944 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluorohexanesulfonic acid (L) 2964 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluorohexanoic acid 8888 River water 3 May 2024 – Sep 2024 0.0071 µg/l 23 Sep 2024
Perfluorononanesulfonic acid 2963 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluorononanoic acid 8891 River water 3 May 2024 – Sep 2024 below 0.001 µg/l 23 Sep 2024
Perfluorooctadecanoic acid 2962 River water 3 May 2024 – Sep 2024 below 0.002 µg/l 23 Sep 2024
Perfluorooctanesulfonamide 2961 River water 3 May 2024 – Sep 2024 below 0.001 µg/l 23 Sep 2024
Perfluorooctanesulfonic acid (branched) 2960 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluorooctanesulfonic acid (linear) 2959 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluorooctanoic acid 8890 River water 3 May 2024 – Sep 2024 0.00081 µg/l 23 Sep 2024
Perfluoropentanesulfonic acid 2957 River water 3 May 2024 – Sep 2024 below 0.0005 µg/l 23 Sep 2024
Perfluoropentanoic acid 8887 River water 3 May 2024 – Sep 2024 0.0071 µg/l 23 Sep 2024
Perfluorotetradecanoic acid 8895 River water 3 May 2024 – Sep 2024 below 0.006 µg/l 23 Sep 2024
Perfluorotridecanoic acid 2955 River water 3 May 2024 – Sep 2024 below 0.005 µg/l 23 Sep 2024
Perfluoroundecane sulfonic acid 2953 River water 3 May 2024 – Sep 2024 below 0.004 µg/l 23 Sep 2024
Perfluoroundecanoic acid 8893 River water 3 May 2024 – Sep 2024 below 0.002 µg/l 23 Sep 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.