Ock above Thames

EA name: OCK ABOVE THAMES
Environment Agency sampling point TH-POCR0013 · 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
1 Sep 2026, 09:3130 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
35 since 20 Oct 2023 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Environmental monitoring statutory (EU directives)
Where
National Grid 449611, 196748As published, to the nearest 1 m. Open in a map
River, by its own name
Ock
River, by the map
River OckPlaced on the river its name gives, 17 m from the line.
Next gauge downstream
Culham Lock On the River Thames · 3.8 km along the river
Nearest gauge upstream
Abingdon On the River Ock · 1.8 km along the river
Why it was sampled
Environmental monitoring statutory (EU directives) (33 samples)
Monitoring (national agency policy) (2 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

88.3%

Sampled 1 Sep 2026, 30 days ago · 35 results banked

708090100110120%20242025202620 Oct 2023, 13:11: 79.4%22 Nov 2023, 10:43: 83.4%13 Dec 2023, 09:15: 82.7%18 Jan 2024, 12:04: 93.5%21 Feb 2024, 09:45: 86.9%21 Mar 2024, 14:28: 100.3%24 Apr 2024, 11:45: 100.7%14 May 2024, 13:12: 95.7%24 Jun 2024, 10:25: 90.6%24 Jul 2024, 08:42: 94.8%27 Aug 2024, 12:13: 94.9%18 Sep 2024, 09:44: 97%25 Oct 2024, 10:12: 86%20 Nov 2024, 12:12: 92%11 Dec 2024, 13:48: 95.6%28 Jan 2025, 09:34: 90.6%28 Feb 2025, 12:46: 96.5%24 Mar 2025, 10:47: 97.8%30 Apr 2025, 10:25: 99%29 May 2025, 08:53: 88.7%27 Jun 2025, 09:32: 88.5%21 Jul 2025, 13:48: 84.9%11 Aug 2025, 12:52: 95.5%25 Sep 2025, 09:44: 93.7%30 Oct 2025, 11:56: 86.8%25 Nov 2025, 11:54: 95.9%17 Dec 2025, 11:03: 91.1%8 Jan 2026, 13:28: 97.4%17 Feb 2026, 11:47: 90.2%20 Mar 2026, 11:14: 106.3%8 Apr 2026, 13:32: 112.9%28 May 2026, 10:07: 78.9%23 Jun 2026, 13:40: 93.4%23 Jul 2026, 14:10: 99.5%1 Sep 2026, 09:31: 88.3%
Every result (35)
SampledResult as publishedReads as
1 Sep 2026, 09:3188.3 88.3%
23 Jul 2026, 14:1099.5 99.5%
23 Jun 2026, 13:4093.4 93.4%
28 May 2026, 10:0778.9 78.9%
8 Apr 2026, 13:32112.9 112.9%
20 Mar 2026, 11:14106.3 106.3%
17 Feb 2026, 11:4790.2 90.2%
8 Jan 2026, 13:2897.4 97.4%
17 Dec 2025, 11:0391.1 91.1%
25 Nov 2025, 11:5495.9 95.9%
30 Oct 2025, 11:5686.8 86.8%
25 Sep 2025, 09:4493.7 93.7%
11 Aug 2025, 12:5295.5 95.5%
21 Jul 2025, 13:4884.9 84.9%
27 Jun 2025, 09:3288.5 88.5%
29 May 2025, 08:5388.7 88.7%
30 Apr 2025, 10:2599 99%
24 Mar 2025, 10:4797.8 97.8%
28 Feb 2025, 12:4696.5 96.5%
28 Jan 2025, 09:3490.6 90.6%
11 Dec 2024, 13:4895.6 95.6%
20 Nov 2024, 12:1292 92%
25 Oct 2024, 10:1286 86%
18 Sep 2024, 09:4497 97%
27 Aug 2024, 12:1394.9 94.9%
24 Jul 2024, 08:4294.8 94.8%
24 Jun 2024, 10:2590.6 90.6%
14 May 2024, 13:1295.7 95.7%
24 Apr 2024, 11:45100.7 100.7%
21 Mar 2024, 14:28100.3 100.3%
21 Feb 2024, 09:4586.9 86.9%
18 Jan 2024, 12:0493.5 93.5%
13 Dec 2023, 09:1582.7 82.7%
22 Nov 2023, 10:4383.4 83.4%
20 Oct 2023, 13:1179.4 79.4%

Dissolved oxygen

as O2 · code 9924 · mg/l

8.79 mg/l

Sampled 1 Sep 2026, 30 days ago · 35 results banked

68101214mg/l20242025202620 Oct 2023, 13:11: 8.22 mg/l22 Nov 2023, 10:43: 9.6 mg/l13 Dec 2023, 09:15: 9.76 mg/l18 Jan 2024, 12:04: 12.3 mg/l21 Feb 2024, 09:45: 9.93 mg/l21 Mar 2024, 14:28: 10.7 mg/l24 Apr 2024, 11:45: 11.4 mg/l14 May 2024, 13:12: 9.71 mg/l24 Jun 2024, 10:25: 8.86 mg/l24 Jul 2024, 08:42: 9.16 mg/l27 Aug 2024, 12:13: 9.28 mg/l18 Sep 2024, 09:44: 10.1 mg/l25 Oct 2024, 10:12: 9.1 mg/l20 Nov 2024, 12:12: 11.4 mg/l11 Dec 2024, 13:48: 11.6 mg/l28 Jan 2025, 09:34: 11.2 mg/l28 Feb 2025, 12:46: 12 mg/l24 Mar 2025, 10:47: 11.1 mg/l30 Apr 2025, 10:25: 10.2 mg/l29 May 2025, 08:53: 8.9 mg/l27 Jun 2025, 09:32: 8.44 mg/l21 Jul 2025, 13:48: 7.9 mg/l11 Aug 2025, 12:52: 9.02 mg/l25 Sep 2025, 09:44: 10.4 mg/l30 Oct 2025, 11:56: 9.8 mg/l25 Nov 2025, 11:54: 11.7 mg/l17 Dec 2025, 11:03: 11 mg/l8 Jan 2026, 13:28: 12.6 mg/l17 Feb 2026, 11:47: 11.4 mg/l20 Mar 2026, 11:14: 12.1 mg/l8 Apr 2026, 13:32: 11.7 mg/l28 May 2026, 10:07: 7.32 mg/l23 Jun 2026, 13:40: 8.23 mg/l23 Jul 2026, 14:10: 9.13 mg/l1 Sep 2026, 09:31: 8.79 mg/l
Every result (35)
SampledResult as publishedReads as
1 Sep 2026, 09:318.79 8.79 mg/l
23 Jul 2026, 14:109.13 9.13 mg/l
23 Jun 2026, 13:408.23 8.23 mg/l
28 May 2026, 10:077.32 7.32 mg/l
8 Apr 2026, 13:3211.7 11.7 mg/l
20 Mar 2026, 11:1412.1 12.1 mg/l
17 Feb 2026, 11:4711.4 11.4 mg/l
8 Jan 2026, 13:2812.6 12.6 mg/l
17 Dec 2025, 11:0311 11 mg/l
25 Nov 2025, 11:5411.7 11.7 mg/l
30 Oct 2025, 11:569.8 9.8 mg/l
25 Sep 2025, 09:4410.4 10.4 mg/l
11 Aug 2025, 12:529.02 9.02 mg/l
21 Jul 2025, 13:487.9 7.9 mg/l
27 Jun 2025, 09:328.44 8.44 mg/l
29 May 2025, 08:538.9 8.9 mg/l
30 Apr 2025, 10:2510.2 10.2 mg/l
24 Mar 2025, 10:4711.1 11.1 mg/l
28 Feb 2025, 12:4612 12 mg/l
28 Jan 2025, 09:3411.2 11.2 mg/l
11 Dec 2024, 13:4811.6 11.6 mg/l
20 Nov 2024, 12:1211.4 11.4 mg/l
25 Oct 2024, 10:129.1 9.1 mg/l
18 Sep 2024, 09:4410.1 10.1 mg/l
27 Aug 2024, 12:139.28 9.28 mg/l
24 Jul 2024, 08:429.16 9.16 mg/l
24 Jun 2024, 10:258.86 8.86 mg/l
14 May 2024, 13:129.71 9.71 mg/l
24 Apr 2024, 11:4511.4 11.4 mg/l
21 Mar 2024, 14:2810.7 10.7 mg/l
21 Feb 2024, 09:459.93 9.93 mg/l
18 Jan 2024, 12:0412.3 12.3 mg/l
13 Dec 2023, 09:159.76 9.76 mg/l
22 Nov 2023, 10:439.6 9.6 mg/l
20 Oct 2023, 13:118.22 8.22 mg/l

Water temperature

code 0076 · °C

15.5 °C

Sampled 1 Sep 2026, 30 days ago · 35 results banked

0510152025°C20242025202620 Oct 2023, 13:11: 13.7 °C22 Nov 2023, 10:43: 9.1 °C13 Dec 2023, 09:15: 8.1 °C18 Jan 2024, 12:04: 3.7 °C21 Feb 2024, 09:45: 9.4 °C21 Mar 2024, 14:28: 12.5 °C24 Apr 2024, 11:45: 9.9 °C14 May 2024, 13:12: 14.6 °C24 Jun 2024, 10:25: 16.3 °C24 Jul 2024, 08:42: 16.9 °C27 Aug 2024, 12:13: 16.3 °C18 Sep 2024, 09:44: 13.6 °C25 Oct 2024, 10:12: 12.7 °C20 Nov 2024, 12:12: 6 °C11 Dec 2024, 13:48: 7.1 °C28 Jan 2025, 09:34: 6.1 °C28 Feb 2025, 12:46: 6 °C24 Mar 2025, 10:47: 9.8 °C30 Apr 2025, 10:25: 14.1 °C29 May 2025, 08:53: 15.1 °C27 Jun 2025, 09:32: 17.5 °C21 Jul 2025, 13:48: 18.7 °C11 Aug 2025, 12:52: 18 °C25 Sep 2025, 09:44: 10.7 °C30 Oct 2025, 11:56: 9.9 °C25 Nov 2025, 11:54: 6.6 °C17 Dec 2025, 11:03: 7.2 °C8 Jan 2026, 13:28: 4.5 °C17 Feb 2026, 11:47: 5.4 °C20 Mar 2026, 11:14: 9.4 °C8 Apr 2026, 13:32: 13.8 °C28 May 2026, 10:07: 18.9 °C23 Jun 2026, 13:40: 21.5 °C23 Jul 2026, 14:10: 19.4 °C1 Sep 2026, 09:31: 15.5 °C
Every result (35)
SampledResult as publishedReads as
1 Sep 2026, 09:3115.5 15.5 °C
23 Jul 2026, 14:1019.4 19.4 °C
23 Jun 2026, 13:4021.5 21.5 °C
28 May 2026, 10:0718.9 18.9 °C
8 Apr 2026, 13:3213.8 13.8 °C
20 Mar 2026, 11:149.4 9.4 °C
17 Feb 2026, 11:475.4 5.4 °C
8 Jan 2026, 13:284.5 4.5 °C
17 Dec 2025, 11:037.2 7.2 °C
25 Nov 2025, 11:546.6 6.6 °C
30 Oct 2025, 11:569.9 9.9 °C
25 Sep 2025, 09:4410.7 10.7 °C
11 Aug 2025, 12:5218 18 °C
21 Jul 2025, 13:4818.7 18.7 °C
27 Jun 2025, 09:3217.5 17.5 °C
29 May 2025, 08:5315.1 15.1 °C
30 Apr 2025, 10:2514.1 14.1 °C
24 Mar 2025, 10:479.8 9.8 °C
28 Feb 2025, 12:466 6 °C
28 Jan 2025, 09:346.1 6.1 °C
11 Dec 2024, 13:487.1 7.1 °C
20 Nov 2024, 12:126 6 °C
25 Oct 2024, 10:1212.7 12.7 °C
18 Sep 2024, 09:4413.6 13.6 °C
27 Aug 2024, 12:1316.3 16.3 °C
24 Jul 2024, 08:4216.9 16.9 °C
24 Jun 2024, 10:2516.3 16.3 °C
14 May 2024, 13:1214.6 14.6 °C
24 Apr 2024, 11:459.9 9.9 °C
21 Mar 2024, 14:2812.5 12.5 °C
21 Feb 2024, 09:459.4 9.4 °C
18 Jan 2024, 12:043.7 3.7 °C
13 Dec 2023, 09:158.1 8.1 °C
22 Nov 2023, 10:439.1 9.1 °C
20 Oct 2023, 13:1113.7 13.7 °C

pH

code 0061

7.9

Sampled 1 Sep 2026, 30 days ago · 35 results banked

7.67.888.28.48.620242025202620 Oct 2023, 13:11: 7.7122 Nov 2023, 10:43: 7.8413 Dec 2023, 09:15: 7.8818 Jan 2024, 12:04: 8.1421 Feb 2024, 09:45: 8.0721 Mar 2024, 14:28: 8.1624 Apr 2024, 11:45: 8.3114 May 2024, 13:12: 8.2324 Jun 2024, 10:25: 8.0524 Jul 2024, 08:42: 8.1327 Aug 2024, 12:13: 8.0618 Sep 2024, 09:44: 8.125 Oct 2024, 10:12: 7.9420 Nov 2024, 12:12: 7.9211 Dec 2024, 13:48: 8.0428 Jan 2025, 09:34: 7.9828 Feb 2025, 12:46: 824 Mar 2025, 10:47: 8.230 Apr 2025, 10:25: 8.0629 May 2025, 08:53: 8.1527 Jun 2025, 09:32: 8.0421 Jul 2025, 13:48: 7.9111 Aug 2025, 12:52: 8.0525 Sep 2025, 09:44: 8.1830 Oct 2025, 11:56: 8.2325 Nov 2025, 11:54: 8.0317 Dec 2025, 11:03: 8.28 Jan 2026, 13:28: 8.1917 Feb 2026, 11:47: 8.1620 Mar 2026, 11:14: 8.498 Apr 2026, 13:32: 8.3328 May 2026, 10:07: 8.0323 Jun 2026, 13:40: 7.9723 Jul 2026, 14:10: 8.031 Sep 2026, 09:31: 7.9
Every result (35)
SampledResult as publishedReads as
1 Sep 2026, 09:317.9 7.9
23 Jul 2026, 14:108.03 8.03
23 Jun 2026, 13:407.97 7.97
28 May 2026, 10:078.03 8.03
8 Apr 2026, 13:328.33 8.33
20 Mar 2026, 11:148.49 8.49
17 Feb 2026, 11:478.16 8.16
8 Jan 2026, 13:288.19 8.19
17 Dec 2025, 11:038.2 8.2
25 Nov 2025, 11:548.03 8.03
30 Oct 2025, 11:568.23 8.23
25 Sep 2025, 09:448.18 8.18
11 Aug 2025, 12:528.05 8.05
21 Jul 2025, 13:487.91 7.91
27 Jun 2025, 09:328.04 8.04
29 May 2025, 08:538.15 8.15
30 Apr 2025, 10:258.06 8.06
24 Mar 2025, 10:478.2 8.2
28 Feb 2025, 12:468 8
28 Jan 2025, 09:347.98 7.98
11 Dec 2024, 13:488.04 8.04
20 Nov 2024, 12:127.92 7.92
25 Oct 2024, 10:127.94 7.94
18 Sep 2024, 09:448.1 8.1
27 Aug 2024, 12:138.06 8.06
24 Jul 2024, 08:428.13 8.13
24 Jun 2024, 10:258.05 8.05
14 May 2024, 13:128.23 8.23
24 Apr 2024, 11:458.31 8.31
21 Mar 2024, 14:288.16 8.16
21 Feb 2024, 09:458.07 8.07
18 Jan 2024, 12:048.14 8.14
13 Dec 2023, 09:157.88 7.88
22 Nov 2023, 10:437.84 7.84
20 Oct 2023, 13:117.71 7.71

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 1 Sep 2026, 30 days ago · 35 results banked

00.10.20.3mg/l20242025202620 Oct 2023, 13:11: 0.26 mg/l22 Nov 2023, 10:43: 0.045 mg/l13 Dec 2023, 09:15: 0.044 mg/l18 Jan 2024, 12:04: 0.14 mg/l21 Feb 2024, 09:45: below 0.03 mg/l (not detected above this)21 Mar 2024, 14:28: below 0.03 mg/l (not detected above this)24 Apr 2024, 11:45: below 0.03 mg/l (not detected above this)14 May 2024, 13:12: 0.062 mg/l24 Jun 2024, 10:25: below 0.03 mg/l (not detected above this)24 Jul 2024, 08:42: below 0.03 mg/l (not detected above this)27 Aug 2024, 12:13: below 0.03 mg/l (not detected above this)18 Sep 2024, 09:44: below 0.03 mg/l (not detected above this)25 Oct 2024, 10:12: 0.038 mg/l20 Nov 2024, 12:12: 0.044 mg/l11 Dec 2024, 13:48: 0.035 mg/l28 Jan 2025, 09:34: 0.059 mg/l28 Feb 2025, 12:46: below 0.03 mg/l (not detected above this)24 Mar 2025, 10:47: 0.042 mg/l30 Apr 2025, 10:25: below 0.03 mg/l (not detected above this)29 May 2025, 08:53: 0.041 mg/l27 Jun 2025, 09:32: below 0.03 mg/l (not detected above this)21 Jul 2025, 13:48: 0.046 mg/l11 Aug 2025, 12:52: below 0.03 mg/l (not detected above this)25 Sep 2025, 09:44: below 0.03 mg/l (not detected above this)30 Oct 2025, 11:56: below 0.03 mg/l (not detected above this)25 Nov 2025, 11:54: 0.087 mg/l17 Dec 2025, 11:03: 0.031 mg/l8 Jan 2026, 13:28: 0.17 mg/l17 Feb 2026, 11:47: below 0.03 mg/l (not detected above this)20 Mar 2026, 11:14: below 0.03 mg/l (not detected above this)8 Apr 2026, 13:32: below 0.03 mg/l (not detected above this)28 May 2026, 10:07: 0.055 mg/l23 Jun 2026, 13:40: 0.032 mg/l23 Jul 2026, 14:10: below 0.03 mg/l (not detected above this)1 Sep 2026, 09:31: below 0.03 mg/l (not detected above this)
Every result (35)
SampledResult as publishedReads as
1 Sep 2026, 09:31<0.03 below 0.03 mg/l (not detected above this)
23 Jul 2026, 14:10<0.03 below 0.03 mg/l (not detected above this)
23 Jun 2026, 13:400.032 0.032 mg/l
28 May 2026, 10:070.055 0.055 mg/l
8 Apr 2026, 13:32<0.03 below 0.03 mg/l (not detected above this)
20 Mar 2026, 11:14<0.03 below 0.03 mg/l (not detected above this)
17 Feb 2026, 11:47<0.03 below 0.03 mg/l (not detected above this)
8 Jan 2026, 13:280.17 0.17 mg/l
17 Dec 2025, 11:030.031 0.031 mg/l
25 Nov 2025, 11:540.087 0.087 mg/l
30 Oct 2025, 11:56<0.03 below 0.03 mg/l (not detected above this)
25 Sep 2025, 09:44<0.03 below 0.03 mg/l (not detected above this)
11 Aug 2025, 12:52<0.03 below 0.03 mg/l (not detected above this)
21 Jul 2025, 13:480.046 0.046 mg/l
27 Jun 2025, 09:32<0.03 below 0.03 mg/l (not detected above this)
29 May 2025, 08:530.041 0.041 mg/l
30 Apr 2025, 10:25<0.03 below 0.03 mg/l (not detected above this)
24 Mar 2025, 10:470.042 0.042 mg/l
28 Feb 2025, 12:46<0.03 below 0.03 mg/l (not detected above this)
28 Jan 2025, 09:340.059 0.059 mg/l
11 Dec 2024, 13:480.035 0.035 mg/l
20 Nov 2024, 12:120.044 0.044 mg/l
25 Oct 2024, 10:120.038 0.038 mg/l
18 Sep 2024, 09:44<0.03 below 0.03 mg/l (not detected above this)
27 Aug 2024, 12:13<0.03 below 0.03 mg/l (not detected above this)
24 Jul 2024, 08:42<0.03 below 0.03 mg/l (not detected above this)
24 Jun 2024, 10:25<0.03 below 0.03 mg/l (not detected above this)
14 May 2024, 13:120.062 0.062 mg/l
24 Apr 2024, 11:45<0.03 below 0.03 mg/l (not detected above this)
21 Mar 2024, 14:28<0.03 below 0.03 mg/l (not detected above this)
21 Feb 2024, 09:45<0.03 below 0.03 mg/l (not detected above this)
18 Jan 2024, 12:040.14 0.14 mg/l
13 Dec 2023, 09:150.044 0.044 mg/l
22 Nov 2023, 10:430.045 0.045 mg/l
20 Oct 2023, 13:110.26 0.26 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

8.49 mg/l

Sampled 1 Sep 2026, 30 days ago · 35 results banked

24681012mg/l20242025202620 Oct 2023, 13:11: 7.05 mg/l22 Nov 2023, 10:43: 5.95 mg/l13 Dec 2023, 09:15: 4.86 mg/l18 Jan 2024, 12:04: 7.34 mg/l21 Feb 2024, 09:45: 3.97 mg/l21 Mar 2024, 14:28: 5.86 mg/l24 Apr 2024, 11:45: 7.05 mg/l14 May 2024, 13:12: 6.75 mg/l24 Jun 2024, 10:25: 6.97 mg/l24 Jul 2024, 08:42: 6.28 mg/l27 Aug 2024, 12:13: 6.18 mg/l18 Sep 2024, 09:44: 6.58 mg/l25 Oct 2024, 10:12: 5.75 mg/l20 Nov 2024, 12:12: 5.57 mg/l11 Dec 2024, 13:48: 5.97 mg/l28 Jan 2025, 09:34: 3.77 mg/l28 Feb 2025, 12:46: 4.58 mg/l24 Mar 2025, 10:47: 7.43 mg/l30 Apr 2025, 10:25: 6.68 mg/l29 May 2025, 08:53: 7.77 mg/l27 Jun 2025, 09:32: 8.56 mg/l21 Jul 2025, 13:48: 7.75 mg/l11 Aug 2025, 12:52: 9.69 mg/l25 Sep 2025, 09:44: 9.98 mg/l30 Oct 2025, 11:56: 7.97 mg/l25 Nov 2025, 11:54: 10.9 mg/l17 Dec 2025, 11:03: 9.87 mg/l8 Jan 2026, 13:28: 8.38 mg/l17 Feb 2026, 11:47: 4.58 mg/l20 Mar 2026, 11:14: 7.26 mg/l8 Apr 2026, 13:32: 7.46 mg/l28 May 2026, 10:07: 7.07 mg/l23 Jun 2026, 13:40: 6.88 mg/l23 Jul 2026, 14:10: 9.49 mg/l1 Sep 2026, 09:31: 8.49 mg/l
Every result (35)
SampledResult as publishedReads as
1 Sep 2026, 09:318.49 8.49 mg/l
23 Jul 2026, 14:109.49 9.49 mg/l
23 Jun 2026, 13:406.88 6.88 mg/l
28 May 2026, 10:077.07 7.07 mg/l
8 Apr 2026, 13:327.46 7.46 mg/l
20 Mar 2026, 11:147.26 7.26 mg/l
17 Feb 2026, 11:474.58 4.58 mg/l
8 Jan 2026, 13:288.38 8.38 mg/l
17 Dec 2025, 11:039.87 9.87 mg/l
25 Nov 2025, 11:5410.9 10.9 mg/l
30 Oct 2025, 11:567.97 7.97 mg/l
25 Sep 2025, 09:449.98 9.98 mg/l
11 Aug 2025, 12:529.69 9.69 mg/l
21 Jul 2025, 13:487.75 7.75 mg/l
27 Jun 2025, 09:328.56 8.56 mg/l
29 May 2025, 08:537.77 7.77 mg/l
30 Apr 2025, 10:256.68 6.68 mg/l
24 Mar 2025, 10:477.43 7.43 mg/l
28 Feb 2025, 12:464.58 4.58 mg/l
28 Jan 2025, 09:343.77 3.77 mg/l
11 Dec 2024, 13:485.97 5.97 mg/l
20 Nov 2024, 12:125.57 5.57 mg/l
25 Oct 2024, 10:125.75 5.75 mg/l
18 Sep 2024, 09:446.58 6.58 mg/l
27 Aug 2024, 12:136.18 6.18 mg/l
24 Jul 2024, 08:426.28 6.28 mg/l
24 Jun 2024, 10:256.97 6.97 mg/l
14 May 2024, 13:126.75 6.75 mg/l
24 Apr 2024, 11:457.05 7.05 mg/l
21 Mar 2024, 14:285.86 5.86 mg/l
21 Feb 2024, 09:453.97 3.97 mg/l
18 Jan 2024, 12:047.34 7.34 mg/l
13 Dec 2023, 09:154.86 4.86 mg/l
22 Nov 2023, 10:435.95 5.95 mg/l
20 Oct 2023, 13:117.05 7.05 mg/l

Phosphate

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

0.33 mg/l

Sampled 1 Sep 2026, 30 days ago · 35 results banked

0.10.20.30.4mg/l20242025202620 Oct 2023, 13:11: 0.2 mg/l22 Nov 2023, 10:43: 0.16 mg/l13 Dec 2023, 09:15: 0.15 mg/l18 Jan 2024, 12:04: 0.12 mg/l21 Feb 2024, 09:45: 0.15 mg/l21 Mar 2024, 14:28: 0.13 mg/l24 Apr 2024, 11:45: 0.11 mg/l14 May 2024, 13:12: 0.26 mg/l24 Jun 2024, 10:25: 0.16 mg/l24 Jul 2024, 08:42: 0.19 mg/l27 Aug 2024, 12:13: 0.19 mg/l18 Sep 2024, 09:44: 0.17 mg/l25 Oct 2024, 10:12: 0.14 mg/l20 Nov 2024, 12:12: 0.24 mg/l11 Dec 2024, 13:48: 0.13 mg/l28 Jan 2025, 09:34: 0.15 mg/l28 Feb 2025, 12:46: 0.13 mg/l24 Mar 2025, 10:47: 0.12 mg/l30 Apr 2025, 10:25: 0.16 mg/l29 May 2025, 08:53: 0.25 mg/l27 Jun 2025, 09:32: 0.28 mg/l21 Jul 2025, 13:48: 0.3 mg/l11 Aug 2025, 12:52: 0.28 mg/l25 Sep 2025, 09:44: 0.29 mg/l30 Oct 2025, 11:56: 0.25 mg/l25 Nov 2025, 11:54: 0.16 mg/l17 Dec 2025, 11:03: 0.18 mg/l8 Jan 2026, 13:28: 0.16 mg/l17 Feb 2026, 11:47: 0.11 mg/l20 Mar 2026, 11:14: 0.14 mg/l8 Apr 2026, 13:32: 0.14 mg/l28 May 2026, 10:07: 0.29 mg/l23 Jun 2026, 13:40: 0.3 mg/l23 Jul 2026, 14:10: 0.34 mg/l1 Sep 2026, 09:31: 0.33 mg/l
Every result (35)
SampledResult as publishedReads as
1 Sep 2026, 09:310.33 0.33 mg/l
23 Jul 2026, 14:100.34 0.34 mg/l
23 Jun 2026, 13:400.3 0.3 mg/l
28 May 2026, 10:070.29 0.29 mg/l
8 Apr 2026, 13:320.14 0.14 mg/l
20 Mar 2026, 11:140.14 0.14 mg/l
17 Feb 2026, 11:470.11 0.11 mg/l
8 Jan 2026, 13:280.16 0.16 mg/l
17 Dec 2025, 11:030.18 0.18 mg/l
25 Nov 2025, 11:540.16 0.16 mg/l
30 Oct 2025, 11:560.25 0.25 mg/l
25 Sep 2025, 09:440.29 0.29 mg/l
11 Aug 2025, 12:520.28 0.28 mg/l
21 Jul 2025, 13:480.3 0.3 mg/l
27 Jun 2025, 09:320.28 0.28 mg/l
29 May 2025, 08:530.25 0.25 mg/l
30 Apr 2025, 10:250.16 0.16 mg/l
24 Mar 2025, 10:470.12 0.12 mg/l
28 Feb 2025, 12:460.13 0.13 mg/l
28 Jan 2025, 09:340.15 0.15 mg/l
11 Dec 2024, 13:480.13 0.13 mg/l
20 Nov 2024, 12:120.24 0.24 mg/l
25 Oct 2024, 10:120.14 0.14 mg/l
18 Sep 2024, 09:440.17 0.17 mg/l
27 Aug 2024, 12:130.19 0.19 mg/l
24 Jul 2024, 08:420.19 0.19 mg/l
24 Jun 2024, 10:250.16 0.16 mg/l
14 May 2024, 13:120.26 0.26 mg/l
24 Apr 2024, 11:450.11 0.11 mg/l
21 Mar 2024, 14:280.13 0.13 mg/l
21 Feb 2024, 09:450.15 0.15 mg/l
18 Jan 2024, 12:040.12 0.12 mg/l
13 Dec 2023, 09:150.15 0.15 mg/l
22 Nov 2023, 10:430.16 0.16 mg/l
20 Oct 2023, 13:110.2 0.2 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

768 µS/cm

Sampled 1 Sep 2026, 30 days ago · 35 results banked

400500600700800900µS/cm20242025202620 Oct 2023, 13:11: 634 µS/cm22 Nov 2023, 10:43: 735 µS/cm13 Dec 2023, 09:15: 607 µS/cm18 Jan 2024, 12:04: 746 µS/cm21 Feb 2024, 09:45: 578 µS/cm21 Mar 2024, 14:28: 727 µS/cm24 Apr 2024, 11:45: 722 µS/cm14 May 2024, 13:12: 721 µS/cm24 Jun 2024, 10:25: 724 µS/cm24 Jul 2024, 08:42: 711 µS/cm27 Aug 2024, 12:13: 673 µS/cm18 Sep 2024, 09:44: 772 µS/cm25 Oct 2024, 10:12: 738 µS/cm20 Nov 2024, 12:12: 591 µS/cm11 Dec 2024, 13:48: 706 µS/cm28 Jan 2025, 09:34: 479 µS/cm28 Feb 2025, 12:46: 596 µS/cm24 Mar 2025, 10:47: 724 µS/cm30 Apr 2025, 10:25: 728 µS/cm29 May 2025, 08:53: 719 µS/cm27 Jun 2025, 09:32: 719 µS/cm21 Jul 2025, 13:48: 654 µS/cm11 Aug 2025, 12:52: 758 µS/cm25 Sep 2025, 09:44: 803 µS/cm30 Oct 2025, 11:56: 818 µS/cm25 Nov 2025, 11:54: 854 µS/cm17 Dec 2025, 11:03: 675 µS/cm8 Jan 2026, 13:28: 805 µS/cm17 Feb 2026, 11:47: 550 µS/cm20 Mar 2026, 11:14: 708 µS/cm8 Apr 2026, 13:32: 705 µS/cm28 May 2026, 10:07: 693 µS/cm23 Jun 2026, 13:40: 695 µS/cm23 Jul 2026, 14:10: 764 µS/cm1 Sep 2026, 09:31: 768 µS/cm
Every result (35)
SampledResult as publishedReads as
1 Sep 2026, 09:31768 768 µS/cm
23 Jul 2026, 14:10764 764 µS/cm
23 Jun 2026, 13:40695 695 µS/cm
28 May 2026, 10:07693 693 µS/cm
8 Apr 2026, 13:32705 705 µS/cm
20 Mar 2026, 11:14708 708 µS/cm
17 Feb 2026, 11:47550 550 µS/cm
8 Jan 2026, 13:28805 805 µS/cm
17 Dec 2025, 11:03675 675 µS/cm
25 Nov 2025, 11:54854 854 µS/cm
30 Oct 2025, 11:56818 818 µS/cm
25 Sep 2025, 09:44803 803 µS/cm
11 Aug 2025, 12:52758 758 µS/cm
21 Jul 2025, 13:48654 654 µS/cm
27 Jun 2025, 09:32719 719 µS/cm
29 May 2025, 08:53719 719 µS/cm
30 Apr 2025, 10:25728 728 µS/cm
24 Mar 2025, 10:47724 724 µS/cm
28 Feb 2025, 12:46596 596 µS/cm
28 Jan 2025, 09:34479 479 µS/cm
11 Dec 2024, 13:48706 706 µS/cm
20 Nov 2024, 12:12591 591 µS/cm
25 Oct 2024, 10:12738 738 µS/cm
18 Sep 2024, 09:44772 772 µS/cm
27 Aug 2024, 12:13673 673 µS/cm
24 Jul 2024, 08:42711 711 µS/cm
24 Jun 2024, 10:25724 724 µS/cm
14 May 2024, 13:12721 721 µS/cm
24 Apr 2024, 11:45722 722 µS/cm
21 Mar 2024, 14:28727 727 µS/cm
21 Feb 2024, 09:45578 578 µS/cm
18 Jan 2024, 12:04746 746 µS/cm
13 Dec 2023, 09:15607 607 µS/cm
22 Nov 2023, 10:43735 735 µS/cm
20 Oct 2023, 13:11634 634 µS/cm

Everything measured here

61 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 61 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 35 Oct 2023 – Sep 2026 88.3% 1 Sep 2026
Oxygen, Dissolved as O2 9924 River water 35 Oct 2023 – Sep 2026 8.79 mg/l 1 Sep 2026
Temperature of Water 0076 River water 35 Oct 2023 – Sep 2026 15.5 °C 1 Sep 2026
pH 0061 River water 35 Oct 2023 – Sep 2026 7.9 1 Sep 2026
Ammoniacal Nitrogen as N 0111 River water 35 Oct 2023 – Sep 2026 below 0.03 mg/l 1 Sep 2026
Nitrate as N 0117 River water 35 Oct 2023 – Sep 2026 8.49 mg/l 1 Sep 2026
Orthophosphate, reactive as P 0180 River water 35 Oct 2023 – Sep 2026 0.33 mg/l 1 Sep 2026
Conductivity at 25 C 0077 River water 35 Oct 2023 – Sep 2026 768 µS/cm 1 Sep 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 3 Nov 2023 – Jan 2025 below 0.001 µg/l 28 Jan 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 3 Nov 2023 – Jan 2025 below 0.001 µg/l 28 Jan 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 3 Nov 2023 – Jan 2025 below 0.001 µg/l 28 Jan 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 3 Nov 2023 – Jan 2025 below 0.002 µg/l 28 Jan 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 3 Nov 2023 – Jan 2025 below 0.001 µg/l 28 Jan 2025
3-Perfluoroheptylpropanoic acid 2925 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
3:3 Fluorotelomer carboxylic acid 2926 River water 3 Nov 2023 – Jan 2025 below 0.004 µg/l 28 Jan 2025
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 3 Nov 2023 – Jan 2025 below 0.005 µg/l 28 Jan 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
6:2 Fluorotelomer sulfonic acid 2984 River water 3 Nov 2023 – Jan 2025 0.012 µg/l 28 Jan 2025
8:2 Fluorotelomer sulfonic acid 2983 River water 3 Nov 2023 – Jan 2025 below 0.001 µg/l 28 Jan 2025
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 35 Oct 2023 – Sep 2026 220 mg/l 1 Sep 2026
Ammonia un-ionised as N 0119 River water 35 Oct 2023 – Sep 2026 below 0.00065 mg/l 1 Sep 2026
BOD : 5 Day ATU 0085 River water 29 Oct 2023 – Mar 2026 1.5 mg/l 20 Mar 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 3 Nov 2023 – Jan 2025 below 0.001 µg/l 28 Jan 2025
N-Ethylperfluorooctanesulfonamide 2977 River water 3 Nov 2023 – Jan 2025 below 0.002 µg/l 28 Jan 2025
N-methylperfluorooctanesulfonamide 2975 River water 3 Nov 2023 – Jan 2025 below 0.002 µg/l 28 Jan 2025
Nitrite as N 0118 River water 35 Oct 2023 – Sep 2026 0.015 mg/l 1 Sep 2026
Nitrogen, Total Oxidised as N 0116 River water 35 Oct 2023 – Sep 2026 8.5 mg/l 1 Sep 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
Perfluoro(4-methoxybutanoic) acid 2923 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
Perfluoro-3-methoxypropanoic acid 2921 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
Perfluorobutanesulfonic acid 2972 River water 3 Nov 2023 – Jan 2025 0.0021 µg/l 28 Jan 2025
Perfluorobutanoic acid 2995 River water 3 Nov 2023 – Jan 2025 0.0031 µg/l 28 Jan 2025
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 3 Nov 2023 – Jan 2025 0.00056 µg/l 28 Jan 2025
Perfluorodecanesulfonic acid 2969 River water 3 Nov 2023 – Jan 2025 below 0.002 µg/l 28 Jan 2025
Perfluorodecanoic acid 8892 River water 3 Nov 2023 – Jan 2025 below 0.002 µg/l 28 Jan 2025
Perfluorododecane sulfonic acid 2968 River water 3 Nov 2023 – Jan 2025 below 0.005 µg/l 28 Jan 2025
Perfluorododecanoic acid 8894 River water 3 Nov 2023 – Jan 2025 below 0.002 µg/l 28 Jan 2025
Perfluoroheptanesulfonic acid 2967 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
Perfluoroheptanoic acid 8889 River water 3 Nov 2023 – Jan 2025 below 0.001 µg/l 28 Jan 2025
Perfluorohexanesulfonamide 2965 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
Perfluorohexanesulfonic acid (B) 2944 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
Perfluorohexanesulfonic acid (L) 2964 River water 3 Nov 2023 – Jan 2025 0.00055 µg/l 28 Jan 2025
Perfluorohexanoic acid 8888 River water 3 Nov 2023 – Jan 2025 0.0014 µg/l 28 Jan 2025
Perfluorononanesulfonic acid 2963 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
Perfluorononanoic acid 8891 River water 3 Nov 2023 – Jan 2025 below 0.001 µg/l 28 Jan 2025
Perfluorooctadecanoic acid 2962 River water 3 Nov 2023 – Jan 2025 below 0.002 µg/l 28 Jan 2025
Perfluorooctanesulfonamide 2961 River water 3 Nov 2023 – Jan 2025 below 0.001 µg/l 28 Jan 2025
Perfluorooctanesulfonic acid (branched) 2960 River water 3 Nov 2023 – Jan 2025 0.0014 µg/l 28 Jan 2025
Perfluorooctanesulfonic acid (linear) 2959 River water 3 Nov 2023 – Jan 2025 0.0015 µg/l 28 Jan 2025
Perfluorooctanoic acid 8890 River water 3 Nov 2023 – Jan 2025 0.0012 µg/l 28 Jan 2025
Perfluoropentanesulfonic acid 2957 River water 3 Nov 2023 – Jan 2025 below 0.0005 µg/l 28 Jan 2025
Perfluoropentanoic acid 8887 River water 3 Nov 2023 – Jan 2025 below 0.001 µg/l 28 Jan 2025
Perfluorotetradecanoic acid 8895 River water 3 Nov 2023 – Jan 2025 below 0.006 µg/l 28 Jan 2025
Perfluorotridecanoic acid 2955 River water 3 Nov 2023 – Jan 2025 below 0.005 µg/l 28 Jan 2025
Perfluoroundecane sulfonic acid 2953 River water 3 Nov 2023 – Jan 2025 below 0.004 µg/l 28 Jan 2025
Perfluoroundecanoic acid 8893 River water 3 Nov 2023 – Jan 2025 below 0.002 µg/l 28 Jan 2025
Phosphorus, Total as P 0348 River water 9 Apr 2025 – Mar 2026 0.15 mg/l 20 Mar 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.