Goldings Lane

EA name: GOLDINGS LANE
Environment Agency sampling point SO-F0017618 · 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, 13:084 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
24 since 20 Jun 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 520720, 129250As published, to the nearest 10 m. Open in a map
River, by its own name
Its name does not give one
River, by the map
Golding's StreamPlaced by position alone, on a line whose map name differs from its own, 0 m from the line.
Next gauge downstream
Provender Mill On the River Arun · 5.2 km along the river
Why it was sampled
Monitoring (national agency policy) (24 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

53.2%

Sampled 28 May 2026, 4 months ago · 24 results banked

0255075100125%20242025202620 Jun 2024, 13:34: 80%18 Jul 2024, 13:24: 80.3%23 Aug 2024, 11:18: 64.5%20 Sep 2024, 12:57: 54.2%31 Oct 2024, 13:57: 92.4%21 Nov 2024, 12:48: 92.9%6 Dec 2024, 13:25: 95.5%22 Jan 2025, 11:54: 97.6%7 Feb 2025, 12:50: 98.3%5 Mar 2025, 10:59: 99.3%7 Apr 2025, 11:41: 89.3%7 May 2025, 10:19: 81.3%11 Jun 2025, 12:00: 63.3%4 Jul 2025, 13:05: 42.4%5 Aug 2025, 12:56: 53.5%3 Sep 2025, 14:45: 84.5%2 Oct 2025, 12:13: 61.2%6 Nov 2025, 12:26: 88.2%2 Dec 2025, 13:18: 96%15 Jan 2026, 14:17: 104.1%6 Feb 2026, 10:22: 103.3%6 Mar 2026, 13:13: 95.7%9 Apr 2026, 11:31: 22.8%28 May 2026, 13:08: 53.2%
Every result (24)
SampledResult as publishedReads as
28 May 2026, 13:0853.2 53.2%
9 Apr 2026, 11:3122.8 22.8%
6 Mar 2026, 13:1395.7 95.7%
6 Feb 2026, 10:22103.3 103.3%
15 Jan 2026, 14:17104.1 104.1%
2 Dec 2025, 13:1896 96%
6 Nov 2025, 12:2688.2 88.2%
2 Oct 2025, 12:1361.2 61.2%
3 Sep 2025, 14:4584.5 84.5%
5 Aug 2025, 12:5653.5 53.5%
4 Jul 2025, 13:0542.4 42.4%
11 Jun 2025, 12:0063.3 63.3%
7 May 2025, 10:1981.3 81.3%
7 Apr 2025, 11:4189.3 89.3%
5 Mar 2025, 10:5999.3 99.3%
7 Feb 2025, 12:5098.3 98.3%
22 Jan 2025, 11:5497.6 97.6%
6 Dec 2024, 13:2595.5 95.5%
21 Nov 2024, 12:4892.9 92.9%
31 Oct 2024, 13:5792.4 92.4%
20 Sep 2024, 12:5754.2 54.2%
23 Aug 2024, 11:1864.5 64.5%
18 Jul 2024, 13:2480.3 80.3%
20 Jun 2024, 13:3480 80%

Dissolved oxygen

as O2 · code 9924 · mg/l

4.98 mg/l

Sampled 28 May 2026, 4 months ago · 24 results banked

051015mg/l20242025202620 Jun 2024, 13:34: 7.99 mg/l18 Jul 2024, 13:24: 7.6 mg/l23 Aug 2024, 11:18: 6.31 mg/l20 Sep 2024, 12:57: 5.42 mg/l31 Oct 2024, 13:57: 9.78 mg/l21 Nov 2024, 12:48: 11.6 mg/l6 Dec 2024, 13:25: 11.2 mg/l22 Jan 2025, 11:54: 12.5 mg/l7 Feb 2025, 12:50: 12.5 mg/l5 Mar 2025, 10:59: 12.7 mg/l7 Apr 2025, 11:41: 10.2 mg/l7 May 2025, 10:19: 9.07 mg/l11 Jun 2025, 12:00: 6.39 mg/l4 Jul 2025, 13:05: 4.16 mg/l5 Aug 2025, 12:56: 5.33 mg/l3 Sep 2025, 14:45: 8.11 mg/l2 Oct 2025, 12:13: 6.73 mg/l6 Nov 2025, 12:26: 9.29 mg/l2 Dec 2025, 13:18: 11.4 mg/l15 Jan 2026, 14:17: 12.7 mg/l6 Feb 2026, 10:22: 12.2 mg/l6 Mar 2026, 13:13: 10.8 mg/l9 Apr 2026, 11:31: 2.41 mg/l28 May 2026, 13:08: 4.98 mg/l
Every result (24)
SampledResult as publishedReads as
28 May 2026, 13:084.98 4.98 mg/l
9 Apr 2026, 11:312.41 2.41 mg/l
6 Mar 2026, 13:1310.8 10.8 mg/l
6 Feb 2026, 10:2212.2 12.2 mg/l
15 Jan 2026, 14:1712.7 12.7 mg/l
2 Dec 2025, 13:1811.4 11.4 mg/l
6 Nov 2025, 12:269.29 9.29 mg/l
2 Oct 2025, 12:136.73 6.73 mg/l
3 Sep 2025, 14:458.11 8.11 mg/l
5 Aug 2025, 12:565.33 5.33 mg/l
4 Jul 2025, 13:054.16 4.16 mg/l
11 Jun 2025, 12:006.39 6.39 mg/l
7 May 2025, 10:199.07 9.07 mg/l
7 Apr 2025, 11:4110.2 10.2 mg/l
5 Mar 2025, 10:5912.7 12.7 mg/l
7 Feb 2025, 12:5012.5 12.5 mg/l
22 Jan 2025, 11:5412.5 12.5 mg/l
6 Dec 2024, 13:2511.2 11.2 mg/l
21 Nov 2024, 12:4811.6 11.6 mg/l
31 Oct 2024, 13:579.78 9.78 mg/l
20 Sep 2024, 12:575.42 5.42 mg/l
23 Aug 2024, 11:186.31 6.31 mg/l
18 Jul 2024, 13:247.6 7.6 mg/l
20 Jun 2024, 13:347.99 7.99 mg/l

Water temperature

code 0076 · °C

18.4 °C

Sampled 28 May 2026, 4 months ago · 24 results banked

05101520°C20242025202620 Jun 2024, 13:34: 15.3 °C18 Jul 2024, 13:24: 17.9 °C23 Aug 2024, 11:18: 16.3 °C20 Sep 2024, 12:57: 15.3 °C31 Oct 2024, 13:57: 12.7 °C21 Nov 2024, 12:48: 5.7 °C6 Dec 2024, 13:25: 8.4 °C22 Jan 2025, 11:54: 4.9 °C7 Feb 2025, 12:50: 5 °C5 Mar 2025, 10:59: 4.9 °C7 Apr 2025, 11:41: 9.5 °C7 May 2025, 10:19: 10.4 °C11 Jun 2025, 12:00: 14.8 °C4 Jul 2025, 13:05: 16.2 °C5 Aug 2025, 12:56: 15.4 °C3 Sep 2025, 14:45: 17.2 °C2 Oct 2025, 12:13: 11 °C6 Nov 2025, 12:26: 12.9 °C2 Dec 2025, 13:18: 8 °C15 Jan 2026, 14:17: 6.9 °C6 Feb 2026, 10:22: 8.2 °C6 Mar 2026, 13:13: 9.8 °C9 Apr 2026, 11:31: 12.7 °C28 May 2026, 13:08: 18.4 °C
Every result (24)
SampledResult as publishedReads as
28 May 2026, 13:0818.4 18.4 °C
9 Apr 2026, 11:3112.7 12.7 °C
6 Mar 2026, 13:139.8 9.8 °C
6 Feb 2026, 10:228.2 8.2 °C
15 Jan 2026, 14:176.9 6.9 °C
2 Dec 2025, 13:188 8 °C
6 Nov 2025, 12:2612.9 12.9 °C
2 Oct 2025, 12:1311 11 °C
3 Sep 2025, 14:4517.2 17.2 °C
5 Aug 2025, 12:5615.4 15.4 °C
4 Jul 2025, 13:0516.2 16.2 °C
11 Jun 2025, 12:0014.8 14.8 °C
7 May 2025, 10:1910.4 10.4 °C
7 Apr 2025, 11:419.5 9.5 °C
5 Mar 2025, 10:594.9 4.9 °C
7 Feb 2025, 12:505 5 °C
22 Jan 2025, 11:544.9 4.9 °C
6 Dec 2024, 13:258.4 8.4 °C
21 Nov 2024, 12:485.7 5.7 °C
31 Oct 2024, 13:5712.7 12.7 °C
20 Sep 2024, 12:5715.3 15.3 °C
23 Aug 2024, 11:1816.3 16.3 °C
18 Jul 2024, 13:2417.9 17.9 °C
20 Jun 2024, 13:3415.3 15.3 °C

pH

code 0061

7.49

Sampled 28 May 2026, 4 months ago · 24 results banked

77.27.47.620242025202620 Jun 2024, 13:34: 7.3818 Jul 2024, 13:24: 7.2223 Aug 2024, 11:18: 7.2320 Sep 2024, 12:57: 7.0931 Oct 2024, 13:57: 7.2421 Nov 2024, 12:48: 7.296 Dec 2024, 13:25: 7.2822 Jan 2025, 11:54: 7.387 Feb 2025, 12:50: 7.455 Mar 2025, 10:59: 7.257 Apr 2025, 11:41: 7.317 May 2025, 10:19: 7.3711 Jun 2025, 12:00: 7.364 Jul 2025, 13:05: 7.35 Aug 2025, 12:56: 7.33 Sep 2025, 14:45: 7.352 Oct 2025, 12:13: 7.116 Nov 2025, 12:26: 7.332 Dec 2025, 13:18: 7.3915 Jan 2026, 14:17: 7.446 Feb 2026, 10:22: 7.316 Mar 2026, 13:13: 7.359 Apr 2026, 11:31: 7.2228 May 2026, 13:08: 7.49
Every result (24)
SampledResult as publishedReads as
28 May 2026, 13:087.49 7.49
9 Apr 2026, 11:317.22 7.22
6 Mar 2026, 13:137.35 7.35
6 Feb 2026, 10:227.31 7.31
15 Jan 2026, 14:177.44 7.44
2 Dec 2025, 13:187.39 7.39
6 Nov 2025, 12:267.33 7.33
2 Oct 2025, 12:137.11 7.11
3 Sep 2025, 14:457.35 7.35
5 Aug 2025, 12:567.3 7.3
4 Jul 2025, 13:057.3 7.3
11 Jun 2025, 12:007.36 7.36
7 May 2025, 10:197.37 7.37
7 Apr 2025, 11:417.31 7.31
5 Mar 2025, 10:597.25 7.25
7 Feb 2025, 12:507.45 7.45
22 Jan 2025, 11:547.38 7.38
6 Dec 2024, 13:257.28 7.28
21 Nov 2024, 12:487.29 7.29
31 Oct 2024, 13:577.24 7.24
20 Sep 2024, 12:577.09 7.09
23 Aug 2024, 11:187.23 7.23
18 Jul 2024, 13:247.22 7.22
20 Jun 2024, 13:347.38 7.38

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.14 mg/l

Sampled 28 May 2026, 4 months ago · 23 results banked

00.10.20.30.4mg/l20242025202620 Jun 2024, 13:34: 0.03 mg/l18 Jul 2024, 13:24: 0.043 mg/l23 Aug 2024, 11:18: below 0.03 mg/l (not detected above this)20 Sep 2024, 12:57: below 0.03 mg/l (not detected above this)31 Oct 2024, 13:57: 0.034 mg/l21 Nov 2024, 12:48: 0.19 mg/l22 Jan 2025, 11:54: 0.049 mg/l7 Feb 2025, 12:50: 0.05 mg/l5 Mar 2025, 10:59: 0.033 mg/l7 Apr 2025, 11:41: 0.056 mg/l7 May 2025, 10:19: 0.044 mg/l11 Jun 2025, 12:00: below 0.03 mg/l (not detected above this)4 Jul 2025, 13:05: 0.1 mg/l5 Aug 2025, 12:56: 0.051 mg/l3 Sep 2025, 14:45: 0.11 mg/l2 Oct 2025, 12:13: 0.035 mg/l6 Nov 2025, 12:26: 0.071 mg/l2 Dec 2025, 13:18: 0.075 mg/l15 Jan 2026, 14:17: 0.046 mg/l6 Feb 2026, 10:22: 0.31 mg/l6 Mar 2026, 13:13: 0.12 mg/l9 Apr 2026, 11:31: 0.036 mg/l28 May 2026, 13:08: 0.14 mg/l
Every result (23)
SampledResult as publishedReads as
28 May 2026, 13:080.14 0.14 mg/l
9 Apr 2026, 11:310.036 0.036 mg/l
6 Mar 2026, 13:130.12 0.12 mg/l
6 Feb 2026, 10:220.31 0.31 mg/l
15 Jan 2026, 14:170.046 0.046 mg/l
2 Dec 2025, 13:180.075 0.075 mg/l
6 Nov 2025, 12:260.071 0.071 mg/l
2 Oct 2025, 12:130.035 0.035 mg/l
3 Sep 2025, 14:450.11 0.11 mg/l
5 Aug 2025, 12:560.051 0.051 mg/l
4 Jul 2025, 13:050.1 0.1 mg/l
11 Jun 2025, 12:00<0.03 below 0.03 mg/l (not detected above this)
7 May 2025, 10:190.044 0.044 mg/l
7 Apr 2025, 11:410.056 0.056 mg/l
5 Mar 2025, 10:590.033 0.033 mg/l
7 Feb 2025, 12:500.05 0.05 mg/l
22 Jan 2025, 11:540.049 0.049 mg/l
21 Nov 2024, 12:480.19 0.19 mg/l
31 Oct 2024, 13:570.034 0.034 mg/l
20 Sep 2024, 12:57<0.03 below 0.03 mg/l (not detected above this)
23 Aug 2024, 11:18<0.03 below 0.03 mg/l (not detected above this)
18 Jul 2024, 13:240.043 0.043 mg/l
20 Jun 2024, 13:340.03 0.03 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

0.627 mg/l

Sampled 28 May 2026, 4 months ago · 23 results banked

01234mg/l20242025202620 Jun 2024, 13:34: 0.99 mg/l18 Jul 2024, 13:24: 0.545 mg/l23 Aug 2024, 11:18: 0.256 mg/l20 Sep 2024, 12:57: 0.736 mg/l31 Oct 2024, 13:57: 2.58 mg/l21 Nov 2024, 12:48: 2.07 mg/l22 Jan 2025, 11:54: 3.19 mg/l7 Feb 2025, 12:50: 3.09 mg/l5 Mar 2025, 10:59: 3.09 mg/l7 Apr 2025, 11:41: 1.1 mg/l7 May 2025, 10:19: 0.743 mg/l11 Jun 2025, 12:00: 0.609 mg/l4 Jul 2025, 13:05: 0.442 mg/l5 Aug 2025, 12:56: 0.465 mg/l3 Sep 2025, 14:45: 0.576 mg/l2 Oct 2025, 12:13: 0.492 mg/l6 Nov 2025, 12:26: 2.56 mg/l2 Dec 2025, 13:18: 2.88 mg/l15 Jan 2026, 14:17: 2.1 mg/l6 Feb 2026, 10:22: 1.8 mg/l6 Mar 2026, 13:13: 2.38 mg/l9 Apr 2026, 11:31: 1.59 mg/l28 May 2026, 13:08: 0.627 mg/l
Every result (23)
SampledResult as publishedReads as
28 May 2026, 13:080.627 0.627 mg/l
9 Apr 2026, 11:311.59 1.59 mg/l
6 Mar 2026, 13:132.38 2.38 mg/l
6 Feb 2026, 10:221.8 1.8 mg/l
15 Jan 2026, 14:172.1 2.1 mg/l
2 Dec 2025, 13:182.88 2.88 mg/l
6 Nov 2025, 12:262.56 2.56 mg/l
2 Oct 2025, 12:130.492 0.492 mg/l
3 Sep 2025, 14:450.576 0.576 mg/l
5 Aug 2025, 12:560.465 0.465 mg/l
4 Jul 2025, 13:050.442 0.442 mg/l
11 Jun 2025, 12:000.609 0.609 mg/l
7 May 2025, 10:190.743 0.743 mg/l
7 Apr 2025, 11:411.1 1.1 mg/l
5 Mar 2025, 10:593.09 3.09 mg/l
7 Feb 2025, 12:503.09 3.09 mg/l
22 Jan 2025, 11:543.19 3.19 mg/l
21 Nov 2024, 12:482.07 2.07 mg/l
31 Oct 2024, 13:572.58 2.58 mg/l
20 Sep 2024, 12:570.736 0.736 mg/l
23 Aug 2024, 11:180.256 0.256 mg/l
18 Jul 2024, 13:240.545 0.545 mg/l
20 Jun 2024, 13:340.99 0.99 mg/l

Phosphate

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

0.054 mg/l

Sampled 28 May 2026, 4 months ago · 23 results banked

00.020.040.060.08mg/l20242025202620 Jun 2024, 13:34: 0.029 mg/l18 Jul 2024, 13:24: 0.025 mg/l23 Aug 2024, 11:18: 0.052 mg/l20 Sep 2024, 12:57: 0.05 mg/l31 Oct 2024, 13:57: 0.011 mg/l21 Nov 2024, 12:48: 0.024 mg/l22 Jan 2025, 11:54: 0.015 mg/l7 Feb 2025, 12:50: 0.015 mg/l5 Mar 2025, 10:59: 0.012 mg/l7 Apr 2025, 11:41: 0.013 mg/l7 May 2025, 10:19: 0.018 mg/l11 Jun 2025, 12:00: 0.035 mg/l4 Jul 2025, 13:05: 0.031 mg/l5 Aug 2025, 12:56: 0.05 mg/l3 Sep 2025, 14:45: 0.049 mg/l2 Oct 2025, 12:13: 0.014 mg/l6 Nov 2025, 12:26: 0.016 mg/l2 Dec 2025, 13:18: 0.02 mg/l15 Jan 2026, 14:17: 0.044 mg/l6 Feb 2026, 10:22: 0.062 mg/l6 Mar 2026, 13:13: 0.017 mg/l9 Apr 2026, 11:31: below 0.01 mg/l (not detected above this)28 May 2026, 13:08: 0.054 mg/l
Every result (23)
SampledResult as publishedReads as
28 May 2026, 13:080.054 0.054 mg/l
9 Apr 2026, 11:31<0.01 below 0.01 mg/l (not detected above this)
6 Mar 2026, 13:130.017 0.017 mg/l
6 Feb 2026, 10:220.062 0.062 mg/l
15 Jan 2026, 14:170.044 0.044 mg/l
2 Dec 2025, 13:180.02 0.02 mg/l
6 Nov 2025, 12:260.016 0.016 mg/l
2 Oct 2025, 12:130.014 0.014 mg/l
3 Sep 2025, 14:450.049 0.049 mg/l
5 Aug 2025, 12:560.05 0.05 mg/l
4 Jul 2025, 13:050.031 0.031 mg/l
11 Jun 2025, 12:000.035 0.035 mg/l
7 May 2025, 10:190.018 0.018 mg/l
7 Apr 2025, 11:410.013 0.013 mg/l
5 Mar 2025, 10:590.012 0.012 mg/l
7 Feb 2025, 12:500.015 0.015 mg/l
22 Jan 2025, 11:540.015 0.015 mg/l
21 Nov 2024, 12:480.024 0.024 mg/l
31 Oct 2024, 13:570.011 0.011 mg/l
20 Sep 2024, 12:570.05 0.05 mg/l
23 Aug 2024, 11:180.052 0.052 mg/l
18 Jul 2024, 13:240.025 0.025 mg/l
20 Jun 2024, 13:340.029 0.029 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

243 µS/cm

Sampled 28 May 2026, 4 months ago · 24 results banked

150175200225250275µS/cm20242025202620 Jun 2024, 13:34: 220 µS/cm18 Jul 2024, 13:24: 220 µS/cm23 Aug 2024, 11:18: 224 µS/cm20 Sep 2024, 12:57: 255 µS/cm31 Oct 2024, 13:57: 205 µS/cm21 Nov 2024, 12:48: 219 µS/cm6 Dec 2024, 13:25: 195 µS/cm22 Jan 2025, 11:54: 214 µS/cm7 Feb 2025, 12:50: 214 µS/cm5 Mar 2025, 10:59: 213 µS/cm7 Apr 2025, 11:41: 208 µS/cm7 May 2025, 10:19: 234 µS/cm11 Jun 2025, 12:00: 236 µS/cm4 Jul 2025, 13:05: 242 µS/cm5 Aug 2025, 12:56: 256 µS/cm3 Sep 2025, 14:45: 245 µS/cm2 Oct 2025, 12:13: 258 µS/cm6 Nov 2025, 12:26: 243 µS/cm2 Dec 2025, 13:18: 243 µS/cm15 Jan 2026, 14:17: 192 µS/cm6 Feb 2026, 10:22: 164 µS/cm6 Mar 2026, 13:13: 205 µS/cm9 Apr 2026, 11:31: 215 µS/cm28 May 2026, 13:08: 243 µS/cm
Every result (24)
SampledResult as publishedReads as
28 May 2026, 13:08243 243 µS/cm
9 Apr 2026, 11:31215 215 µS/cm
6 Mar 2026, 13:13205 205 µS/cm
6 Feb 2026, 10:22164 164 µS/cm
15 Jan 2026, 14:17192 192 µS/cm
2 Dec 2025, 13:18243 243 µS/cm
6 Nov 2025, 12:26243 243 µS/cm
2 Oct 2025, 12:13258 258 µS/cm
3 Sep 2025, 14:45245 245 µS/cm
5 Aug 2025, 12:56256 256 µS/cm
4 Jul 2025, 13:05242 242 µS/cm
11 Jun 2025, 12:00236 236 µS/cm
7 May 2025, 10:19234 234 µS/cm
7 Apr 2025, 11:41208 208 µS/cm
5 Mar 2025, 10:59213 213 µS/cm
7 Feb 2025, 12:50214 214 µS/cm
22 Jan 2025, 11:54214 214 µS/cm
6 Dec 2024, 13:25195 195 µS/cm
21 Nov 2024, 12:48219 219 µS/cm
31 Oct 2024, 13:57205 205 µS/cm
20 Sep 2024, 12:57255 255 µS/cm
23 Aug 2024, 11:18224 224 µS/cm
18 Jul 2024, 13:24220 220 µS/cm
20 Jun 2024, 13:34220 220 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
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 24 Jun 2024 – May 2026 53.2% 28 May 2026
Oxygen, Dissolved as O2 9924 River water 24 Jun 2024 – May 2026 4.98 mg/l 28 May 2026
Temperature of Water 0076 River water 24 Jun 2024 – May 2026 18.4 °C 28 May 2026
pH 0061 River water 24 Jun 2024 – May 2026 7.49 28 May 2026
Ammoniacal Nitrogen as N 0111 River water 23 Jun 2024 – May 2026 0.14 mg/l 28 May 2026
Nitrate as N 0117 River water 23 Jun 2024 – May 2026 0.627 mg/l 28 May 2026
Orthophosphate, reactive as P 0180 River water 23 Jun 2024 – May 2026 0.054 mg/l 28 May 2026
Conductivity at 25 C 0077 River water 24 Jun 2024 – May 2026 243 µS/cm 28 May 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 6 Feb 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 5 Aug 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 2026
2H-Perfluoro-2-decenoic acid 2888 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 6 Feb 2026
3-Perfluoroheptylpropanoic acid 2925 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 2 Aug 2025 – Feb 2026 below 0.004 µg/l 6 Feb 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 2026
4:2 Fluorotelomer sulfonic acid 2987 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
5:1:2 Fluorotelomer betaine 2887 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
5:3 Fluorotelomer betaine 2886 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
6:2 Fluorotelomer phosphate diester 2986 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 6 Feb 2026
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 6 Feb 2026
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 6 Feb 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 2026
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 6 Feb 2026
6:6 Perfluorophosphinic acid 2883 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 6 Feb 2026
6:8 Perfluorophosphinic acid 2882 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 6 Feb 2026
8:2 Fluorotelomer phosphate diester 2880 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 6 Feb 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 2026
8:8 Perfluorophosphinic acid 2879 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 6 Feb 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 23 Jun 2024 – May 2026 60 mg/l 28 May 2026
Ammonia un-ionised as N 0119 River water 23 Jun 2024 – May 2026 0.00149 mg/l 28 May 2026
BOD : 5 Day ATU 0085 River water 23 Jun 2024 – May 2026 1.5 mg/l 28 May 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 2026
Hexafluoropropylene oxide trimer acid 2980 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 6 Feb 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 6 Feb 2026
N-methylperfluorooctanesulfonamide 2975 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 6 Feb 2026
Nitrite as N 0118 River water 23 Jun 2024 – May 2026 0.023 mg/l 28 May 2026
Nitrogen, Total Oxidised as N 0116 River water 23 Jun 2024 – May 2026 0.65 mg/l 28 May 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluorobutanesulfonic acid 2972 River water 2 Aug 2025 – Feb 2026 0.0014 µg/l 6 Feb 2026
Perfluorobutanoic acid 2995 River water 2 Aug 2025 – Feb 2026 0.0019 µg/l 6 Feb 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluorodecanesulfonic acid 2969 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 2026
Perfluorodecanoic acid 8892 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 2026
Perfluorododecane sulfonic acid 2968 River water 2 Aug 2025 – Feb 2026 below 0.005 µg/l 6 Feb 2026
Perfluorododecanoic acid 8894 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 6 Feb 2026
Perfluoroheptanesulfonic acid 2967 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluoroheptanoic acid 8889 River water 2 Aug 2025 – Feb 2026 0.0011 µg/l 6 Feb 2026
Perfluorohexane sulfonamido amine 2874 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluorohexanesulfonamide 2965 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluorohexanesulfonic acid (B) 2944 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluorohexanesulfonic acid (L) 2964 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluorohexanoic acid 8888 River water 2 Aug 2025 – Feb 2026 0.0026 µg/l 6 Feb 2026
Perfluorononanesulfonic acid 2963 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluorononanoic acid 8891 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 2026
Perfluorooctadecanoic acid 2962 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 6 Feb 2026
Perfluorooctanesulfonamide 2961 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 2 Aug 2025 – Feb 2026 0.00086 µg/l 6 Feb 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 2 Aug 2025 – Feb 2026 0.00069 µg/l 6 Feb 2026
Perfluorooctanesulfonic acid (total) 2958 River water 1 Feb 2026 – Feb 2026 0.0016 µg/l 6 Feb 2026
Perfluorooctanoic acid 8890 River water 2 Aug 2025 – Feb 2026 0.0018 µg/l 6 Feb 2026
Perfluoropentanesulfonic acid 2957 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 6 Feb 2026
Perfluoropentanoic acid 8887 River water 2 Aug 2025 – Feb 2026 0.0024 µg/l 6 Feb 2026
Perfluorotetradecanoic acid 8895 River water 2 Aug 2025 – Feb 2026 below 0.006 µg/l 6 Feb 2026
Perfluorotridecanoic acid 2955 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 6 Feb 2026
Perfluoroundecane sulfonic acid 2953 River water 2 Aug 2025 – Feb 2026 below 0.004 µg/l 6 Feb 2026
Perfluoroundecanoic acid 8893 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 6 Feb 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.