River Ouse Goldbridge

EA name: R OUSE GOLDBRIDGE (also listed as “RIVER OUSE GOLDBRIDGE”)
Environment Agency sampling point SO-F0002158 · 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
5 May 2026, 13:315 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 21 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 542880, 121400As published, to the nearest 10 m. Open in a map
River, by its own name
Ouse
River, by the map
River OusePlaced on the river its name gives, 1 m from the line.
Next gauge downstream
Anchor Gates On the River Ouse · 8.2 km along the riverBeside Goldbridge: too close to say above or below.
Nearest gauge upstream
Freshfield Bridge On the River Ouse · 8.6 km along the river
Why it was sampled
Monitoring (national agency policy) (14 samples)
Environmental monitoring statutory (EU directives) (10 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

93%

Sampled 5 May 2026, 5 months ago · 24 results banked

708090100110%20242025202621 Jun 2024, 12:11: 84.2%22 Jul 2024, 11:18: 77.9%30 Aug 2024, 12:55: 85%17 Sep 2024, 12:53: 84.6%29 Oct 2024, 11:33: 91.1%28 Nov 2024, 12:56: 90.2%10 Dec 2024, 12:03: 94.8%28 Jan 2025, 10:44: 95.4%14 Feb 2025, 11:40: 96%11 Mar 2025, 12:20: 95.3%1 Apr 2025, 13:52: 103.1%2 May 2025, 14:12: 97%12 Jun 2025, 15:25: 87.2%18 Jul 2025, 13:32: 81.8%12 Aug 2025, 11:47: 85.1%9 Sep 2025, 14:47: 77.4%3 Oct 2025, 11:29: 79.2%4 Nov 2025, 11:25: 88.6%4 Dec 2025, 11:28: 94.8%15 Jan 2026, 11:32: 99.2%5 Feb 2026, 10:48: 99.5%3 Mar 2026, 13:50: 96.7%20 Apr 2026, 10:13: 88.7%5 May 2026, 13:31: 93%
Every result (24)
SampledResult as publishedReads as
5 May 2026, 13:3193 93%
20 Apr 2026, 10:1388.7 88.7%
3 Mar 2026, 13:5096.7 96.7%
5 Feb 2026, 10:4899.5 99.5%
15 Jan 2026, 11:3299.2 99.2%
4 Dec 2025, 11:2894.8 94.8%
4 Nov 2025, 11:2588.6 88.6%
3 Oct 2025, 11:2979.2 79.2%
9 Sep 2025, 14:4777.4 77.4%
12 Aug 2025, 11:4785.1 85.1%
18 Jul 2025, 13:3281.8 81.8%
12 Jun 2025, 15:2587.2 87.2%
2 May 2025, 14:1297 97%
1 Apr 2025, 13:52103.1 103.1%
11 Mar 2025, 12:2095.3 95.3%
14 Feb 2025, 11:4096 96%
28 Jan 2025, 10:4495.4 95.4%
10 Dec 2024, 12:0394.8 94.8%
28 Nov 2024, 12:5690.2 90.2%
29 Oct 2024, 11:3391.1 91.1%
17 Sep 2024, 12:5384.6 84.6%
30 Aug 2024, 12:5585 85%
22 Jul 2024, 11:1877.9 77.9%
21 Jun 2024, 12:1184.2 84.2%

Dissolved oxygen

as O2 · code 9924 · mg/l

9.37 mg/l

Sampled 5 May 2026, 5 months ago · 24 results banked

68101214mg/l20242025202621 Jun 2024, 12:11: 8.31 mg/l22 Jul 2024, 11:18: 7.59 mg/l30 Aug 2024, 12:55: 8.26 mg/l17 Sep 2024, 12:53: 8.62 mg/l29 Oct 2024, 11:33: 9.55 mg/l28 Nov 2024, 12:56: 10.8 mg/l10 Dec 2024, 12:03: 11.3 mg/l28 Jan 2025, 10:44: 11.5 mg/l14 Feb 2025, 11:40: 12.2 mg/l11 Mar 2025, 12:20: 11 mg/l1 Apr 2025, 13:52: 11.3 mg/l2 May 2025, 14:12: 9.47 mg/l12 Jun 2025, 15:25: 8.48 mg/l18 Jul 2025, 13:32: 7.54 mg/l12 Aug 2025, 11:47: 7.94 mg/l9 Sep 2025, 14:47: 7.65 mg/l3 Oct 2025, 11:29: 8.31 mg/l4 Nov 2025, 11:25: 9.51 mg/l4 Dec 2025, 11:28: 11.2 mg/l15 Jan 2026, 11:32: 11.9 mg/l5 Feb 2026, 10:48: 11.9 mg/l3 Mar 2026, 13:50: 10.9 mg/l20 Apr 2026, 10:13: 9.78 mg/l5 May 2026, 13:31: 9.37 mg/l
Every result (24)
SampledResult as publishedReads as
5 May 2026, 13:319.37 9.37 mg/l
20 Apr 2026, 10:139.78 9.78 mg/l
3 Mar 2026, 13:5010.9 10.9 mg/l
5 Feb 2026, 10:4811.9 11.9 mg/l
15 Jan 2026, 11:3211.9 11.9 mg/l
4 Dec 2025, 11:2811.2 11.2 mg/l
4 Nov 2025, 11:259.51 9.51 mg/l
3 Oct 2025, 11:298.31 8.31 mg/l
9 Sep 2025, 14:477.65 7.65 mg/l
12 Aug 2025, 11:477.94 7.94 mg/l
18 Jul 2025, 13:327.54 7.54 mg/l
12 Jun 2025, 15:258.48 8.48 mg/l
2 May 2025, 14:129.47 9.47 mg/l
1 Apr 2025, 13:5211.3 11.3 mg/l
11 Mar 2025, 12:2011 11 mg/l
14 Feb 2025, 11:4012.2 12.2 mg/l
28 Jan 2025, 10:4411.5 11.5 mg/l
10 Dec 2024, 12:0311.3 11.3 mg/l
28 Nov 2024, 12:5610.8 10.8 mg/l
29 Oct 2024, 11:339.55 9.55 mg/l
17 Sep 2024, 12:538.62 8.62 mg/l
30 Aug 2024, 12:558.26 8.26 mg/l
22 Jul 2024, 11:187.59 7.59 mg/l
21 Jun 2024, 12:118.31 8.31 mg/l

Water temperature

code 0076 · °C

14.9 °C

Sampled 5 May 2026, 5 months ago · 24 results banked

5101520°C20242025202621 Jun 2024, 12:11: 15.9 °C22 Jul 2024, 11:18: 16.5 °C30 Aug 2024, 12:55: 16.6 °C17 Sep 2024, 12:53: 14.4 °C29 Oct 2024, 11:33: 13.1 °C28 Nov 2024, 12:56: 7.5 °C10 Dec 2024, 12:03: 7.8 °C28 Jan 2025, 10:44: 7.1 °C14 Feb 2025, 11:40: 5.2 °C11 Mar 2025, 12:20: 8.9 °C1 Apr 2025, 13:52: 11 °C2 May 2025, 14:12: 16.4 °C12 Jun 2025, 15:25: 16.6 °C18 Jul 2025, 13:32: 19.2 °C12 Aug 2025, 11:47: 18.6 °C9 Sep 2025, 14:47: 15.8 °C3 Oct 2025, 11:29: 13.1 °C4 Nov 2025, 11:25: 12.1 °C4 Dec 2025, 11:28: 7.9 °C15 Jan 2026, 11:32: 7.3 °C5 Feb 2026, 10:48: 7.6 °C3 Mar 2026, 13:50: 10.1 °C20 Apr 2026, 10:13: 10.9 °C5 May 2026, 13:31: 14.9 °C
Every result (24)
SampledResult as publishedReads as
5 May 2026, 13:3114.9 14.9 °C
20 Apr 2026, 10:1310.9 10.9 °C
3 Mar 2026, 13:5010.1 10.1 °C
5 Feb 2026, 10:487.6 7.6 °C
15 Jan 2026, 11:327.3 7.3 °C
4 Dec 2025, 11:287.9 7.9 °C
4 Nov 2025, 11:2512.1 12.1 °C
3 Oct 2025, 11:2913.1 13.1 °C
9 Sep 2025, 14:4715.8 15.8 °C
12 Aug 2025, 11:4718.6 18.6 °C
18 Jul 2025, 13:3219.2 19.2 °C
12 Jun 2025, 15:2516.6 16.6 °C
2 May 2025, 14:1216.4 16.4 °C
1 Apr 2025, 13:5211 11 °C
11 Mar 2025, 12:208.9 8.9 °C
14 Feb 2025, 11:405.2 5.2 °C
28 Jan 2025, 10:447.1 7.1 °C
10 Dec 2024, 12:037.8 7.8 °C
28 Nov 2024, 12:567.5 7.5 °C
29 Oct 2024, 11:3313.1 13.1 °C
17 Sep 2024, 12:5314.4 14.4 °C
30 Aug 2024, 12:5516.6 16.6 °C
22 Jul 2024, 11:1816.5 16.5 °C
21 Jun 2024, 12:1115.9 15.9 °C

pH

code 0061

7.59

Sampled 5 May 2026, 5 months ago · 24 results banked

77.27.47.67.8820242025202621 Jun 2024, 12:11: 7.4422 Jul 2024, 11:18: 7.4530 Aug 2024, 12:55: 7.5617 Sep 2024, 12:53: 7.5929 Oct 2024, 11:33: 7.4228 Nov 2024, 12:56: 7.1410 Dec 2024, 12:03: 7.3428 Jan 2025, 10:44: 7.5814 Feb 2025, 11:40: 7.5211 Mar 2025, 12:20: 7.641 Apr 2025, 13:52: 7.692 May 2025, 14:12: 7.5412 Jun 2025, 15:25: 7.2818 Jul 2025, 13:32: 7.5912 Aug 2025, 11:47: 7.499 Sep 2025, 14:47: 7.583 Oct 2025, 11:29: 7.364 Nov 2025, 11:25: 7.494 Dec 2025, 11:28: 7.3515 Jan 2026, 11:32: 7.485 Feb 2026, 10:48: 7.483 Mar 2026, 13:50: 7.5120 Apr 2026, 10:13: 7.885 May 2026, 13:31: 7.59
Every result (24)
SampledResult as publishedReads as
5 May 2026, 13:317.59 7.59
20 Apr 2026, 10:137.88 7.88
3 Mar 2026, 13:507.51 7.51
5 Feb 2026, 10:487.48 7.48
15 Jan 2026, 11:327.48 7.48
4 Dec 2025, 11:287.35 7.35
4 Nov 2025, 11:257.49 7.49
3 Oct 2025, 11:297.36 7.36
9 Sep 2025, 14:477.58 7.58
12 Aug 2025, 11:477.49 7.49
18 Jul 2025, 13:327.59 7.59
12 Jun 2025, 15:257.28 7.28
2 May 2025, 14:127.54 7.54
1 Apr 2025, 13:527.69 7.69
11 Mar 2025, 12:207.64 7.64
14 Feb 2025, 11:407.52 7.52
28 Jan 2025, 10:447.58 7.58
10 Dec 2024, 12:037.34 7.34
28 Nov 2024, 12:567.14 7.14
29 Oct 2024, 11:337.42 7.42
17 Sep 2024, 12:537.59 7.59
30 Aug 2024, 12:557.56 7.56
22 Jul 2024, 11:187.45 7.45
21 Jun 2024, 12:117.44 7.44

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.062 mg/l

Sampled 5 May 2026, 5 months ago · 24 results banked

00.050.10.150.2mg/l20242025202621 Jun 2024, 12:11: 0.11 mg/l22 Jul 2024, 11:18: 0.11 mg/l30 Aug 2024, 12:55: 0.056 mg/l17 Sep 2024, 12:53: 0.042 mg/l29 Oct 2024, 11:33: below 0.03 mg/l (not detected above this)28 Nov 2024, 12:56: 0.053 mg/l10 Dec 2024, 12:03: 0.12 mg/l28 Jan 2025, 10:44: 0.063 mg/l14 Feb 2025, 11:40: 0.17 mg/l11 Mar 2025, 12:20: 0.12 mg/l1 Apr 2025, 13:52: 0.047 mg/l2 May 2025, 14:12: 0.065 mg/l12 Jun 2025, 15:25: 0.057 mg/l18 Jul 2025, 13:32: 0.052 mg/l12 Aug 2025, 11:47: 0.057 mg/l9 Sep 2025, 14:47: 0.16 mg/l3 Oct 2025, 11:29: 0.12 mg/l4 Nov 2025, 11:25: 0.074 mg/l4 Dec 2025, 11:28: 0.12 mg/l15 Jan 2026, 11:32: 0.16 mg/l5 Feb 2026, 10:48: 0.07 mg/l3 Mar 2026, 13:50: 0.1 mg/l20 Apr 2026, 10:13: 0.036 mg/l5 May 2026, 13:31: 0.062 mg/l
Every result (24)
SampledResult as publishedReads as
5 May 2026, 13:310.062 0.062 mg/l
20 Apr 2026, 10:130.036 0.036 mg/l
3 Mar 2026, 13:500.1 0.1 mg/l
5 Feb 2026, 10:480.07 0.07 mg/l
15 Jan 2026, 11:320.16 0.16 mg/l
4 Dec 2025, 11:280.12 0.12 mg/l
4 Nov 2025, 11:250.074 0.074 mg/l
3 Oct 2025, 11:290.12 0.12 mg/l
9 Sep 2025, 14:470.16 0.16 mg/l
12 Aug 2025, 11:470.057 0.057 mg/l
18 Jul 2025, 13:320.052 0.052 mg/l
12 Jun 2025, 15:250.057 0.057 mg/l
2 May 2025, 14:120.065 0.065 mg/l
1 Apr 2025, 13:520.047 0.047 mg/l
11 Mar 2025, 12:200.12 0.12 mg/l
14 Feb 2025, 11:400.17 0.17 mg/l
28 Jan 2025, 10:440.063 0.063 mg/l
10 Dec 2024, 12:030.12 0.12 mg/l
28 Nov 2024, 12:560.053 0.053 mg/l
29 Oct 2024, 11:33<0.03 below 0.03 mg/l (not detected above this)
17 Sep 2024, 12:530.042 0.042 mg/l
30 Aug 2024, 12:550.056 0.056 mg/l
22 Jul 2024, 11:180.11 0.11 mg/l
21 Jun 2024, 12:110.11 0.11 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

6.16 mg/l

Sampled 5 May 2026, 5 months ago · 24 results banked

2468mg/l20242025202621 Jun 2024, 12:11: 6.62 mg/l22 Jul 2024, 11:18: 4.95 mg/l30 Aug 2024, 12:55: 4.27 mg/l17 Sep 2024, 12:53: 3.77 mg/l29 Oct 2024, 11:33: 4.36 mg/l28 Nov 2024, 12:56: 2.49 mg/l10 Dec 2024, 12:03: 2.07 mg/l28 Jan 2025, 10:44: 2.48 mg/l14 Feb 2025, 11:40: 3.86 mg/l11 Mar 2025, 12:20: 4.16 mg/l1 Apr 2025, 13:52: 6.17 mg/l2 May 2025, 14:12: 6.18 mg/l12 Jun 2025, 15:25: 5.07 mg/l18 Jul 2025, 13:32: 4.98 mg/l12 Aug 2025, 11:47: 4.38 mg/l9 Sep 2025, 14:47: 4.57 mg/l3 Oct 2025, 11:29: 4.63 mg/l4 Nov 2025, 11:25: 4.4 mg/l4 Dec 2025, 11:28: 3.07 mg/l15 Jan 2026, 11:32: 2.58 mg/l5 Feb 2026, 10:48: 2.19 mg/l3 Mar 2026, 13:50: 2.47 mg/l20 Apr 2026, 10:13: 6.47 mg/l5 May 2026, 13:31: 6.16 mg/l
Every result (24)
SampledResult as publishedReads as
5 May 2026, 13:316.16 6.16 mg/l
20 Apr 2026, 10:136.47 6.47 mg/l
3 Mar 2026, 13:502.47 2.47 mg/l
5 Feb 2026, 10:482.19 2.19 mg/l
15 Jan 2026, 11:322.58 2.58 mg/l
4 Dec 2025, 11:283.07 3.07 mg/l
4 Nov 2025, 11:254.4 4.4 mg/l
3 Oct 2025, 11:294.63 4.63 mg/l
9 Sep 2025, 14:474.57 4.57 mg/l
12 Aug 2025, 11:474.38 4.38 mg/l
18 Jul 2025, 13:324.98 4.98 mg/l
12 Jun 2025, 15:255.07 5.07 mg/l
2 May 2025, 14:126.18 6.18 mg/l
1 Apr 2025, 13:526.17 6.17 mg/l
11 Mar 2025, 12:204.16 4.16 mg/l
14 Feb 2025, 11:403.86 3.86 mg/l
28 Jan 2025, 10:442.48 2.48 mg/l
10 Dec 2024, 12:032.07 2.07 mg/l
28 Nov 2024, 12:562.49 2.49 mg/l
29 Oct 2024, 11:334.36 4.36 mg/l
17 Sep 2024, 12:533.77 3.77 mg/l
30 Aug 2024, 12:554.27 4.27 mg/l
22 Jul 2024, 11:184.95 4.95 mg/l
21 Jun 2024, 12:116.62 6.62 mg/l

Phosphate

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

0.052 mg/l

Sampled 5 May 2026, 5 months ago · 24 results banked

00.050.10.150.2mg/l20242025202621 Jun 2024, 12:11: 0.14 mg/l22 Jul 2024, 11:18: 0.16 mg/l30 Aug 2024, 12:55: 0.11 mg/l17 Sep 2024, 12:53: 0.079 mg/l29 Oct 2024, 11:33: 0.075 mg/l28 Nov 2024, 12:56: 0.099 mg/l10 Dec 2024, 12:03: 0.072 mg/l28 Jan 2025, 10:44: 0.071 mg/l14 Feb 2025, 11:40: 0.05 mg/l11 Mar 2025, 12:20: 0.039 mg/l1 Apr 2025, 13:52: 0.023 mg/l2 May 2025, 14:12: 0.021 mg/l12 Jun 2025, 15:25: 0.038 mg/l18 Jul 2025, 13:32: 0.051 mg/l12 Aug 2025, 11:47: 0.049 mg/l9 Sep 2025, 14:47: 0.038 mg/l3 Oct 2025, 11:29: 0.022 mg/l4 Nov 2025, 11:25: 0.05 mg/l4 Dec 2025, 11:28: 0.06 mg/l15 Jan 2026, 11:32: 0.063 mg/l5 Feb 2026, 10:48: 0.054 mg/l3 Mar 2026, 13:50: 0.052 mg/l20 Apr 2026, 10:13: 0.029 mg/l5 May 2026, 13:31: 0.052 mg/l
Every result (24)
SampledResult as publishedReads as
5 May 2026, 13:310.052 0.052 mg/l
20 Apr 2026, 10:130.029 0.029 mg/l
3 Mar 2026, 13:500.052 0.052 mg/l
5 Feb 2026, 10:480.054 0.054 mg/l
15 Jan 2026, 11:320.063 0.063 mg/l
4 Dec 2025, 11:280.06 0.06 mg/l
4 Nov 2025, 11:250.05 0.05 mg/l
3 Oct 2025, 11:290.022 0.022 mg/l
9 Sep 2025, 14:470.038 0.038 mg/l
12 Aug 2025, 11:470.049 0.049 mg/l
18 Jul 2025, 13:320.051 0.051 mg/l
12 Jun 2025, 15:250.038 0.038 mg/l
2 May 2025, 14:120.021 0.021 mg/l
1 Apr 2025, 13:520.023 0.023 mg/l
11 Mar 2025, 12:200.039 0.039 mg/l
14 Feb 2025, 11:400.05 0.05 mg/l
28 Jan 2025, 10:440.071 0.071 mg/l
10 Dec 2024, 12:030.072 0.072 mg/l
28 Nov 2024, 12:560.099 0.099 mg/l
29 Oct 2024, 11:330.075 0.075 mg/l
17 Sep 2024, 12:530.079 0.079 mg/l
30 Aug 2024, 12:550.11 0.11 mg/l
22 Jul 2024, 11:180.16 0.16 mg/l
21 Jun 2024, 12:110.14 0.14 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

426 µS/cm

Sampled 5 May 2026, 5 months ago · 24 results banked

200300400500µS/cm20242025202621 Jun 2024, 12:11: 412 µS/cm22 Jul 2024, 11:18: 371 µS/cm30 Aug 2024, 12:55: 354 µS/cm17 Sep 2024, 12:53: 339 µS/cm29 Oct 2024, 11:33: 345 µS/cm28 Nov 2024, 12:56: 224 µS/cm10 Dec 2024, 12:03: 250 µS/cm28 Jan 2025, 10:44: 256 µS/cm14 Feb 2025, 11:40: 327 µS/cm11 Mar 2025, 12:20: 334 µS/cm1 Apr 2025, 13:52: 383 µS/cm2 May 2025, 14:12: 405 µS/cm12 Jun 2025, 15:25: 392 µS/cm18 Jul 2025, 13:32: 378 µS/cm12 Aug 2025, 11:47: 394 µS/cm9 Sep 2025, 14:47: 398 µS/cm3 Oct 2025, 11:29: 449 µS/cm4 Nov 2025, 11:25: 355 µS/cm4 Dec 2025, 11:28: 295 µS/cm15 Jan 2026, 11:32: 284 µS/cm5 Feb 2026, 10:48: 247 µS/cm3 Mar 2026, 13:50: 282 µS/cm20 Apr 2026, 10:13: 418 µS/cm5 May 2026, 13:31: 426 µS/cm
Every result (24)
SampledResult as publishedReads as
5 May 2026, 13:31426 426 µS/cm
20 Apr 2026, 10:13418 418 µS/cm
3 Mar 2026, 13:50282 282 µS/cm
5 Feb 2026, 10:48247 247 µS/cm
15 Jan 2026, 11:32284 284 µS/cm
4 Dec 2025, 11:28295 295 µS/cm
4 Nov 2025, 11:25355 355 µS/cm
3 Oct 2025, 11:29449 449 µS/cm
9 Sep 2025, 14:47398 398 µS/cm
12 Aug 2025, 11:47394 394 µS/cm
18 Jul 2025, 13:32378 378 µS/cm
12 Jun 2025, 15:25392 392 µS/cm
2 May 2025, 14:12405 405 µS/cm
1 Apr 2025, 13:52383 383 µS/cm
11 Mar 2025, 12:20334 334 µS/cm
14 Feb 2025, 11:40327 327 µS/cm
28 Jan 2025, 10:44256 256 µS/cm
10 Dec 2024, 12:03250 250 µS/cm
28 Nov 2024, 12:56224 224 µS/cm
29 Oct 2024, 11:33345 345 µS/cm
17 Sep 2024, 12:53339 339 µS/cm
30 Aug 2024, 12:55354 354 µS/cm
22 Jul 2024, 11:18371 371 µS/cm
21 Jun 2024, 12:11412 412 µS/cm

Everything measured here

72 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 72 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 24 Jun 2024 – May 2026 93% 5 May 2026
Oxygen, Dissolved as O2 9924 River water 24 Jun 2024 – May 2026 9.37 mg/l 5 May 2026
Temperature of Water 0076 River water 24 Jun 2024 – May 2026 14.9 °C 5 May 2026
pH 0061 River water 24 Jun 2024 – May 2026 7.59 5 May 2026
Ammoniacal Nitrogen as N 0111 River water 24 Jun 2024 – May 2026 0.062 mg/l 5 May 2026
Nitrate as N 0117 River water 24 Jun 2024 – May 2026 6.16 mg/l 5 May 2026
Orthophosphate, reactive as P 0180 River water 24 Jun 2024 – May 2026 0.052 mg/l 5 May 2026
Conductivity at 25 C 0077 River water 24 Jun 2024 – May 2026 426 µS/cm 5 May 2026
(Perfluorohexanesulfonyl)[3-(trimethylazaniumyl)propyl]azanide 2890 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 5 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 5 Feb 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
3-Perfluoroheptylpropanoic acid 2925 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 2 Aug 2025 – Feb 2026 below 0.004 µg/l 5 Feb 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
4:2 Fluorotelomer sulfonic acid 2987 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
5:1:2 Fluorotelomer betaine 2887 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
5:3 Fluorotelomer betaine 2886 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
6:2 Fluorotelomer phosphate diester 2986 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 5 Feb 2026
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 1 Feb 2026 – Feb 2026 0.0015 µg/l 5 Feb 2026
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 5 Feb 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
6:6 Perfluorophosphinic acid 2883 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 5 Feb 2026
6:8 Perfluorophosphinic acid 2882 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 5 Feb 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 24 Jun 2024 – May 2026 75 mg/l 5 May 2026
Ammonia un-ionised as N 0119 River water 24 Jun 2024 – May 2026 0.00064 mg/l 5 May 2026
BOD : 5 Day ATU 0085 River water 23 Jun 2024 – May 2026 1.3 mg/l 5 May 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
Hexafluoropropylene oxide trimer acid 2980 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 5 Feb 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 5 Feb 2026
N-methylperfluorooctanesulfonamide 2975 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 5 Feb 2026
Nitrite as N 0118 River water 24 Jun 2024 – May 2026 0.037 mg/l 5 May 2026
Nitrogen, Total Oxidised as N 0116 River water 24 Jun 2024 – May 2026 6.2 mg/l 5 May 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluorobutanesulfonic acid 2972 River water 2 Aug 2025 – Feb 2026 0.0015 µg/l 5 Feb 2026
Perfluorobutanoic acid 2995 River water 2 Aug 2025 – Feb 2026 0.0014 µg/l 5 Feb 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluorodecanesulfonic acid 2969 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
Perfluorodecanoic acid 8892 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
Perfluorododecane sulfonic acid 2968 River water 2 Aug 2025 – Feb 2026 below 0.005 µg/l 5 Feb 2026
Perfluorododecanoic acid 8894 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 5 Feb 2026
Perfluoroheptanesulfonic acid 2967 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 12 Aug 2025
Perfluoroheptanoic acid 8889 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
Perfluorohexane sulfonamido amine 2874 River water 1 Feb 2026 – Feb 2026 0.0012 µg/l 5 Feb 2026
Perfluorohexanesulfonamide 2965 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluorohexanesulfonic acid (B) 2944 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluorohexanesulfonic acid (L) 2964 River water 2 Aug 2025 – Feb 2026 0.00056 µg/l 5 Feb 2026
Perfluorohexanoic acid 8888 River water 2 Aug 2025 – Feb 2026 0.00095 µg/l 5 Feb 2026
Perfluorononanesulfonic acid 2963 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluorononanoic acid 8891 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
Perfluorooctadecanoic acid 2962 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 5 Feb 2026
Perfluorooctanesulfonamide 2961 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluorooctanesulfonic acid (total) 2958 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 5 Feb 2026
Perfluorooctanoic acid 8890 River water 2 Aug 2025 – Feb 2026 0.00097 µg/l 5 Feb 2026
Perfluoropentanesulfonic acid 2957 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 5 Feb 2026
Perfluoropentanoic acid 8887 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 Feb 2026
Perfluorotetradecanoic acid 8895 River water 2 Aug 2025 – Feb 2026 below 0.006 µg/l 5 Feb 2026
Perfluorotridecanoic acid 2955 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 5 Feb 2026
Perfluoroundecane sulfonic acid 2953 River water 2 Aug 2025 – Feb 2026 below 0.004 µg/l 5 Feb 2026
Perfluoroundecanoic acid 8893 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 5 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.