Kennet 100 m above Thames

EA name: KENNET 100M ABOVE THAMES
Environment Agency sampling point TH-PKER0025 · 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
14 Aug 2026, 11:0248 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
33 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 473015, 173702As published, to the nearest 1 m. Open in a map
River, by its own name
Kennet
River, by the map
River KennetPlaced on the river its name gives, 11 m from the line.
Next gauge downstream
Sonning Lock On the River Thames · 3.2 km along the river
Nearest gauge upstream
Blakes Lock On the River Kennet · 0.3 km along the river
Why it was sampled
Environmental monitoring statutory (EU directives) (33 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

88.5%

Sampled 14 Aug 2026, 48 days ago · 33 results banked

8090100110%20242025202620 Oct 2023, 11:54: 93.4%9 Nov 2023, 09:50: 94.3%4 Dec 2023, 11:32: 96.3%10 Jan 2024, 10:57: 91.3%12 Feb 2024, 13:38: 92.8%20 Mar 2024, 12:30: 97.9%17 Jun 2024, 09:35: 97.5%31 Jul 2024, 12:53: 99.6%27 Aug 2024, 13:10: 99.3%19 Sep 2024, 13:05: 97.9%15 Oct 2024, 14:24: 95.7%22 Nov 2024, 10:06: 99.5%10 Dec 2024, 13:07: 96.9%24 Jan 2025, 09:01: 102%7 Feb 2025, 12:46: 100.9%12 Mar 2025, 09:59: 100.6%9 May 2025, 08:33: 93.5%19 May 2025, 08:55: 94%5 Jun 2025, 09:19: 91.7%2 Jul 2025, 10:22: 84.8%22 Aug 2025, 13:42: 94.7%12 Sep 2025, 13:25: 94.5%17 Oct 2025, 12:09: 93.8%18 Nov 2025, 09:41: 90.8%9 Dec 2025, 10:18: 94.1%6 Jan 2026, 11:28: 95%9 Feb 2026, 13:03: 88.1%17 Mar 2026, 13:12: 93.5%16 Apr 2026, 14:36: 107.9%13 May 2026, 14:12: 102.5%18 Jun 2026, 12:17: 99.9%3 Jul 2026, 11:49: 101%14 Aug 2026, 11:02: 88.5%
Every result (33)
SampledResult as publishedReads as
14 Aug 2026, 11:0288.5 88.5%
3 Jul 2026, 11:49101 101%
18 Jun 2026, 12:1799.9 99.9%
13 May 2026, 14:12102.5 102.5%
16 Apr 2026, 14:36107.9 107.9%
17 Mar 2026, 13:1293.5 93.5%
9 Feb 2026, 13:0388.1 88.1%
6 Jan 2026, 11:2895 95%
9 Dec 2025, 10:1894.1 94.1%
18 Nov 2025, 09:4190.8 90.8%
17 Oct 2025, 12:0993.8 93.8%
12 Sep 2025, 13:2594.5 94.5%
22 Aug 2025, 13:4294.7 94.7%
2 Jul 2025, 10:2284.8 84.8%
5 Jun 2025, 09:1991.7 91.7%
19 May 2025, 08:5594 94%
9 May 2025, 08:3393.5 93.5%
12 Mar 2025, 09:59100.6 100.6%
7 Feb 2025, 12:46100.9 100.9%
24 Jan 2025, 09:01102 102%
10 Dec 2024, 13:0796.9 96.9%
22 Nov 2024, 10:0699.5 99.5%
15 Oct 2024, 14:2495.7 95.7%
19 Sep 2024, 13:0597.9 97.9%
27 Aug 2024, 13:1099.3 99.3%
31 Jul 2024, 12:5399.6 99.6%
17 Jun 2024, 09:3597.5 97.5%
20 Mar 2024, 12:3097.9 97.9%
12 Feb 2024, 13:3892.8 92.8%
10 Jan 2024, 10:5791.3 91.3%
4 Dec 2023, 11:3296.3 96.3%
9 Nov 2023, 09:5094.3 94.3%
20 Oct 2023, 11:5493.4 93.4%

Dissolved oxygen

as O2 · code 9924 · mg/l

7.79 mg/l

Sampled 14 Aug 2026, 48 days ago · 33 results banked

68101214mg/l20242025202620 Oct 2023, 11:54: 9.64 mg/l9 Nov 2023, 09:50: 10.7 mg/l4 Dec 2023, 11:32: 11.8 mg/l10 Jan 2024, 10:57: 12.2 mg/l12 Feb 2024, 13:38: 10.8 mg/l20 Mar 2024, 12:30: 10.2 mg/l17 Jun 2024, 09:35: 9.74 mg/l31 Jul 2024, 12:53: 9.02 mg/l27 Aug 2024, 13:10: 9.45 mg/l19 Sep 2024, 13:05: 9.56 mg/l15 Oct 2024, 14:24: 10.3 mg/l22 Nov 2024, 10:06: 12.4 mg/l10 Dec 2024, 13:07: 11.5 mg/l24 Jan 2025, 09:01: 12.4 mg/l7 Feb 2025, 12:46: 12.6 mg/l12 Mar 2025, 09:59: 11.8 mg/l9 May 2025, 08:33: 10.1 mg/l19 May 2025, 08:55: 9.49 mg/l5 Jun 2025, 09:19: 9.22 mg/l2 Jul 2025, 10:22: 7.47 mg/l22 Aug 2025, 13:42: 8.94 mg/l12 Sep 2025, 13:25: 9.22 mg/l17 Oct 2025, 12:09: 9.83 mg/l18 Nov 2025, 09:41: 10.5 mg/l9 Dec 2025, 10:18: 10.4 mg/l6 Jan 2026, 11:28: 13 mg/l9 Feb 2026, 13:03: 10.3 mg/l17 Mar 2026, 13:12: 10.4 mg/l16 Apr 2026, 14:36: 11.3 mg/l13 May 2026, 14:12: 11 mg/l18 Jun 2026, 12:17: 9.09 mg/l3 Jul 2026, 11:49: 9.18 mg/l14 Aug 2026, 11:02: 7.79 mg/l
Every result (33)
SampledResult as publishedReads as
14 Aug 2026, 11:027.79 7.79 mg/l
3 Jul 2026, 11:499.18 9.18 mg/l
18 Jun 2026, 12:179.09 9.09 mg/l
13 May 2026, 14:1211 11 mg/l
16 Apr 2026, 14:3611.3 11.3 mg/l
17 Mar 2026, 13:1210.4 10.4 mg/l
9 Feb 2026, 13:0310.3 10.3 mg/l
6 Jan 2026, 11:2813 13 mg/l
9 Dec 2025, 10:1810.4 10.4 mg/l
18 Nov 2025, 09:4110.5 10.5 mg/l
17 Oct 2025, 12:099.83 9.83 mg/l
12 Sep 2025, 13:259.22 9.22 mg/l
22 Aug 2025, 13:428.94 8.94 mg/l
2 Jul 2025, 10:227.47 7.47 mg/l
5 Jun 2025, 09:199.22 9.22 mg/l
19 May 2025, 08:559.49 9.49 mg/l
9 May 2025, 08:3310.1 10.1 mg/l
12 Mar 2025, 09:5911.8 11.8 mg/l
7 Feb 2025, 12:4612.6 12.6 mg/l
24 Jan 2025, 09:0112.4 12.4 mg/l
10 Dec 2024, 13:0711.5 11.5 mg/l
22 Nov 2024, 10:0612.4 12.4 mg/l
15 Oct 2024, 14:2410.3 10.3 mg/l
19 Sep 2024, 13:059.56 9.56 mg/l
27 Aug 2024, 13:109.45 9.45 mg/l
31 Jul 2024, 12:539.02 9.02 mg/l
17 Jun 2024, 09:359.74 9.74 mg/l
20 Mar 2024, 12:3010.2 10.2 mg/l
12 Feb 2024, 13:3810.8 10.8 mg/l
10 Jan 2024, 10:5712.2 12.2 mg/l
4 Dec 2023, 11:3211.8 11.8 mg/l
9 Nov 2023, 09:5010.7 10.7 mg/l
20 Oct 2023, 11:549.64 9.64 mg/l

Water temperature

code 0076 · °C

21.5 °C

Sampled 14 Aug 2026, 48 days ago · 33 results banked

0510152025°C20242025202620 Oct 2023, 11:54: 13.8 °C9 Nov 2023, 09:50: 9.6 °C4 Dec 2023, 11:32: 6.6 °C10 Jan 2024, 10:57: 3.3 °C12 Feb 2024, 13:38: 8.5 °C20 Mar 2024, 12:30: 13.3 °C17 Jun 2024, 09:35: 15.3 °C31 Jul 2024, 12:53: 20.1 °C27 Aug 2024, 13:10: 17.6 °C19 Sep 2024, 13:05: 16.4 °C15 Oct 2024, 14:24: 11.8 °C22 Nov 2024, 10:06: 5.8 °C10 Dec 2024, 13:07: 7.9 °C24 Jan 2025, 09:01: 7 °C7 Feb 2025, 12:46: 5.8 °C12 Mar 2025, 09:59: 8.3 °C9 May 2025, 08:33: 12 °C19 May 2025, 08:55: 14.8 °C5 Jun 2025, 09:19: 15 °C2 Jul 2025, 10:22: 21.5 °C22 Aug 2025, 13:42: 18 °C12 Sep 2025, 13:25: 16.4 °C17 Oct 2025, 12:09: 13.1 °C18 Nov 2025, 09:41: 8.8 °C9 Dec 2025, 10:18: 10.8 °C6 Jan 2026, 11:28: 2.3 °C9 Feb 2026, 13:03: 8.6 °C17 Mar 2026, 13:12: 10.5 °C16 Apr 2026, 14:36: 13.1 °C13 May 2026, 14:12: 12.1 °C18 Jun 2026, 12:17: 19.8 °C3 Jul 2026, 11:49: 19.9 °C14 Aug 2026, 11:02: 21.5 °C
Every result (33)
SampledResult as publishedReads as
14 Aug 2026, 11:0221.5 21.5 °C
3 Jul 2026, 11:4919.9 19.9 °C
18 Jun 2026, 12:1719.8 19.8 °C
13 May 2026, 14:1212.1 12.1 °C
16 Apr 2026, 14:3613.1 13.1 °C
17 Mar 2026, 13:1210.5 10.5 °C
9 Feb 2026, 13:038.6 8.6 °C
6 Jan 2026, 11:282.3 2.3 °C
9 Dec 2025, 10:1810.8 10.8 °C
18 Nov 2025, 09:418.8 8.8 °C
17 Oct 2025, 12:0913.1 13.1 °C
12 Sep 2025, 13:2516.4 16.4 °C
22 Aug 2025, 13:4218 18 °C
2 Jul 2025, 10:2221.5 21.5 °C
5 Jun 2025, 09:1915 15 °C
19 May 2025, 08:5514.8 14.8 °C
9 May 2025, 08:3312 12 °C
12 Mar 2025, 09:598.3 8.3 °C
7 Feb 2025, 12:465.8 5.8 °C
24 Jan 2025, 09:017 7 °C
10 Dec 2024, 13:077.9 7.9 °C
22 Nov 2024, 10:065.8 5.8 °C
15 Oct 2024, 14:2411.8 11.8 °C
19 Sep 2024, 13:0516.4 16.4 °C
27 Aug 2024, 13:1017.6 17.6 °C
31 Jul 2024, 12:5320.1 20.1 °C
17 Jun 2024, 09:3515.3 15.3 °C
20 Mar 2024, 12:3013.3 13.3 °C
12 Feb 2024, 13:388.5 8.5 °C
10 Jan 2024, 10:573.3 3.3 °C
4 Dec 2023, 11:326.6 6.6 °C
9 Nov 2023, 09:509.6 9.6 °C
20 Oct 2023, 11:5413.8 13.8 °C

pH

code 0061

7.91

Sampled 14 Aug 2026, 48 days ago · 33 results banked

7.67.888.28.420242025202620 Oct 2023, 11:54: 7.919 Nov 2023, 09:50: 7.954 Dec 2023, 11:32: 8.0110 Jan 2024, 10:57: 8.0912 Feb 2024, 13:38: 8.0120 Mar 2024, 12:30: 8.0717 Jun 2024, 09:35: 8.1431 Jul 2024, 12:53: 8.0727 Aug 2024, 13:10: 8.119 Sep 2024, 13:05: 7.8615 Oct 2024, 14:24: 7.9122 Nov 2024, 10:06: 8.1110 Dec 2024, 13:07: 824 Jan 2025, 09:01: 8.127 Feb 2025, 12:46: 8.1512 Mar 2025, 09:59: 8.229 May 2025, 08:33: 8.2419 May 2025, 08:55: 8.225 Jun 2025, 09:19: 7.982 Jul 2025, 10:22: 7.8222 Aug 2025, 13:42: 8.0612 Sep 2025, 13:25: 8.0617 Oct 2025, 12:09: 7.8918 Nov 2025, 09:41: 7.979 Dec 2025, 10:18: 8.066 Jan 2026, 11:28: 8.269 Feb 2026, 13:03: 7.7917 Mar 2026, 13:12: 8.0516 Apr 2026, 14:36: 8.1713 May 2026, 14:12: 8.0918 Jun 2026, 12:17: 8.043 Jul 2026, 11:49: 8.1414 Aug 2026, 11:02: 7.91
Every result (33)
SampledResult as publishedReads as
14 Aug 2026, 11:027.91 7.91
3 Jul 2026, 11:498.14 8.14
18 Jun 2026, 12:178.04 8.04
13 May 2026, 14:128.09 8.09
16 Apr 2026, 14:368.17 8.17
17 Mar 2026, 13:128.05 8.05
9 Feb 2026, 13:037.79 7.79
6 Jan 2026, 11:288.26 8.26
9 Dec 2025, 10:188.06 8.06
18 Nov 2025, 09:417.97 7.97
17 Oct 2025, 12:097.89 7.89
12 Sep 2025, 13:258.06 8.06
22 Aug 2025, 13:428.06 8.06
2 Jul 2025, 10:227.82 7.82
5 Jun 2025, 09:197.98 7.98
19 May 2025, 08:558.22 8.22
9 May 2025, 08:338.24 8.24
12 Mar 2025, 09:598.22 8.22
7 Feb 2025, 12:468.15 8.15
24 Jan 2025, 09:018.12 8.12
10 Dec 2024, 13:078 8
22 Nov 2024, 10:068.11 8.11
15 Oct 2024, 14:247.91 7.91
19 Sep 2024, 13:057.86 7.86
27 Aug 2024, 13:108.1 8.1
31 Jul 2024, 12:538.07 8.07
17 Jun 2024, 09:358.14 8.14
20 Mar 2024, 12:308.07 8.07
12 Feb 2024, 13:388.01 8.01
10 Jan 2024, 10:578.09 8.09
4 Dec 2023, 11:328.01 8.01
9 Nov 2023, 09:507.95 7.95
20 Oct 2023, 11:547.91 7.91

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.088 mg/l

Sampled 14 Aug 2026, 48 days ago · 33 results banked

0.0250.050.0750.10.1250.15mg/l20242025202620 Oct 2023, 11:54: 0.08 mg/l9 Nov 2023, 09:50: 0.037 mg/l4 Dec 2023, 11:32: 0.043 mg/l10 Jan 2024, 10:57: 0.12 mg/l12 Feb 2024, 13:38: 0.053 mg/l20 Mar 2024, 12:30: below 0.03 mg/l (not detected above this)17 Jun 2024, 09:35: 0.058 mg/l31 Jul 2024, 12:53: 0.036 mg/l27 Aug 2024, 13:10: 0.063 mg/l19 Sep 2024, 13:05: 0.077 mg/l15 Oct 2024, 14:24: below 0.03 mg/l (not detected above this)22 Nov 2024, 10:06: 0.07 mg/l10 Dec 2024, 13:07: 0.035 mg/l24 Jan 2025, 09:01: 0.05 mg/l7 Feb 2025, 12:46: 0.067 mg/l12 Mar 2025, 09:59: 0.047 mg/l9 May 2025, 08:33: 0.058 mg/l19 May 2025, 08:55: 0.041 mg/l5 Jun 2025, 09:19: 0.097 mg/l2 Jul 2025, 10:22: 0.13 mg/l22 Aug 2025, 13:42: 0.056 mg/l12 Sep 2025, 13:25: 0.034 mg/l17 Oct 2025, 12:09: 0.06 mg/l18 Nov 2025, 09:41: 0.058 mg/l9 Dec 2025, 10:18: 0.043 mg/l6 Jan 2026, 11:28: 0.12 mg/l9 Feb 2026, 13:03: 0.091 mg/l17 Mar 2026, 13:12: 0.031 mg/l16 Apr 2026, 14:36: below 0.03 mg/l (not detected above this)13 May 2026, 14:12: 0.12 mg/l18 Jun 2026, 12:17: 0.043 mg/l3 Jul 2026, 11:49: 0.057 mg/l14 Aug 2026, 11:02: 0.088 mg/l
Every result (33)
SampledResult as publishedReads as
14 Aug 2026, 11:020.088 0.088 mg/l
3 Jul 2026, 11:490.057 0.057 mg/l
18 Jun 2026, 12:170.043 0.043 mg/l
13 May 2026, 14:120.12 0.12 mg/l
16 Apr 2026, 14:36<0.03 below 0.03 mg/l (not detected above this)
17 Mar 2026, 13:120.031 0.031 mg/l
9 Feb 2026, 13:030.091 0.091 mg/l
6 Jan 2026, 11:280.12 0.12 mg/l
9 Dec 2025, 10:180.043 0.043 mg/l
18 Nov 2025, 09:410.058 0.058 mg/l
17 Oct 2025, 12:090.06 0.06 mg/l
12 Sep 2025, 13:250.034 0.034 mg/l
22 Aug 2025, 13:420.056 0.056 mg/l
2 Jul 2025, 10:220.13 0.13 mg/l
5 Jun 2025, 09:190.097 0.097 mg/l
19 May 2025, 08:550.041 0.041 mg/l
9 May 2025, 08:330.058 0.058 mg/l
12 Mar 2025, 09:590.047 0.047 mg/l
7 Feb 2025, 12:460.067 0.067 mg/l
24 Jan 2025, 09:010.05 0.05 mg/l
10 Dec 2024, 13:070.035 0.035 mg/l
22 Nov 2024, 10:060.07 0.07 mg/l
15 Oct 2024, 14:24<0.03 below 0.03 mg/l (not detected above this)
19 Sep 2024, 13:050.077 0.077 mg/l
27 Aug 2024, 13:100.063 0.063 mg/l
31 Jul 2024, 12:530.036 0.036 mg/l
17 Jun 2024, 09:350.058 0.058 mg/l
20 Mar 2024, 12:30<0.03 below 0.03 mg/l (not detected above this)
12 Feb 2024, 13:380.053 0.053 mg/l
10 Jan 2024, 10:570.12 0.12 mg/l
4 Dec 2023, 11:320.043 0.043 mg/l
9 Nov 2023, 09:500.037 0.037 mg/l
20 Oct 2023, 11:540.08 0.08 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

8.38 mg/l

Sampled 14 Aug 2026, 48 days ago · 33 results banked

246810mg/l20242025202620 Oct 2023, 11:54: 3.38 mg/l9 Nov 2023, 09:50: 3.99 mg/l4 Dec 2023, 11:32: 5.38 mg/l10 Jan 2024, 10:57: 4.87 mg/l12 Feb 2024, 13:38: 4.48 mg/l20 Mar 2024, 12:30: 5.47 mg/l17 Jun 2024, 09:35: 5.67 mg/l31 Jul 2024, 12:53: 6.48 mg/l27 Aug 2024, 13:10: 6.38 mg/l19 Sep 2024, 13:05: 6.18 mg/l15 Oct 2024, 14:24: 4.89 mg/l22 Nov 2024, 10:06: 5.88 mg/l10 Dec 2024, 13:07: 4.88 mg/l24 Jan 2025, 09:01: 5.18 mg/l7 Feb 2025, 12:46: 5.89 mg/l12 Mar 2025, 09:59: 6.39 mg/l9 May 2025, 08:33: 6.78 mg/l19 May 2025, 08:55: 6.78 mg/l5 Jun 2025, 09:19: 6.67 mg/l2 Jul 2025, 10:22: 7.08 mg/l22 Aug 2025, 13:42: 7.39 mg/l12 Sep 2025, 13:25: 6.29 mg/l17 Oct 2025, 12:09: 7.86 mg/l18 Nov 2025, 09:41: 6.09 mg/l9 Dec 2025, 10:18: 5.28 mg/l6 Jan 2026, 11:28: 7.28 mg/l9 Feb 2026, 13:03: 3.88 mg/l17 Mar 2026, 13:12: 5.69 mg/l16 Apr 2026, 14:36: 6.69 mg/l13 May 2026, 14:12: 7.28 mg/l18 Jun 2026, 12:17: 6.68 mg/l3 Jul 2026, 11:49: 6.69 mg/l14 Aug 2026, 11:02: 8.38 mg/l
Every result (33)
SampledResult as publishedReads as
14 Aug 2026, 11:028.38 8.38 mg/l
3 Jul 2026, 11:496.69 6.69 mg/l
18 Jun 2026, 12:176.68 6.68 mg/l
13 May 2026, 14:127.28 7.28 mg/l
16 Apr 2026, 14:366.69 6.69 mg/l
17 Mar 2026, 13:125.69 5.69 mg/l
9 Feb 2026, 13:033.88 3.88 mg/l
6 Jan 2026, 11:287.28 7.28 mg/l
9 Dec 2025, 10:185.28 5.28 mg/l
18 Nov 2025, 09:416.09 6.09 mg/l
17 Oct 2025, 12:097.86 7.86 mg/l
12 Sep 2025, 13:256.29 6.29 mg/l
22 Aug 2025, 13:427.39 7.39 mg/l
2 Jul 2025, 10:227.08 7.08 mg/l
5 Jun 2025, 09:196.67 6.67 mg/l
19 May 2025, 08:556.78 6.78 mg/l
9 May 2025, 08:336.78 6.78 mg/l
12 Mar 2025, 09:596.39 6.39 mg/l
7 Feb 2025, 12:465.89 5.89 mg/l
24 Jan 2025, 09:015.18 5.18 mg/l
10 Dec 2024, 13:074.88 4.88 mg/l
22 Nov 2024, 10:065.88 5.88 mg/l
15 Oct 2024, 14:244.89 4.89 mg/l
19 Sep 2024, 13:056.18 6.18 mg/l
27 Aug 2024, 13:106.38 6.38 mg/l
31 Jul 2024, 12:536.48 6.48 mg/l
17 Jun 2024, 09:355.67 5.67 mg/l
20 Mar 2024, 12:305.47 5.47 mg/l
12 Feb 2024, 13:384.48 4.48 mg/l
10 Jan 2024, 10:574.87 4.87 mg/l
4 Dec 2023, 11:325.38 5.38 mg/l
9 Nov 2023, 09:503.99 3.99 mg/l
20 Oct 2023, 11:543.38 3.38 mg/l

Phosphate

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

0.069 mg/l

Sampled 3 Jul 2026, 3 months ago · 32 results banked

00.050.10.150.2mg/l20242025202620 Oct 2023, 11:54: 0.094 mg/l9 Nov 2023, 09:50: 0.093 mg/l4 Dec 2023, 11:32: 0.074 mg/l10 Jan 2024, 10:57: 0.11 mg/l12 Feb 2024, 13:38: 0.085 mg/l20 Mar 2024, 12:30: 0.052 mg/l17 Jun 2024, 09:35: 0.065 mg/l31 Jul 2024, 12:53: 0.085 mg/l27 Aug 2024, 13:10: 0.12 mg/l19 Sep 2024, 13:05: 0.12 mg/l15 Oct 2024, 14:24: 0.093 mg/l22 Nov 2024, 10:06: 0.073 mg/l10 Dec 2024, 13:07: 0.064 mg/l24 Jan 2025, 09:01: 0.071 mg/l7 Feb 2025, 12:46: 0.064 mg/l12 Mar 2025, 09:59: 0.047 mg/l9 May 2025, 08:33: 0.072 mg/l19 May 2025, 08:55: 0.052 mg/l5 Jun 2025, 09:19: 0.078 mg/l2 Jul 2025, 10:22: 0.092 mg/l22 Aug 2025, 13:42: 0.16 mg/l12 Sep 2025, 13:25: 0.11 mg/l17 Oct 2025, 12:09: 0.1 mg/l18 Nov 2025, 09:41: 0.15 mg/l9 Dec 2025, 10:18: 0.088 mg/l6 Jan 2026, 11:28: 0.069 mg/l9 Feb 2026, 13:03: 0.084 mg/l17 Mar 2026, 13:12: 0.048 mg/l16 Apr 2026, 14:36: 0.014 mg/l13 May 2026, 14:12: 0.045 mg/l18 Jun 2026, 12:17: 0.063 mg/l3 Jul 2026, 11:49: 0.069 mg/l
Every result (32)
SampledResult as publishedReads as
3 Jul 2026, 11:490.069 0.069 mg/l
18 Jun 2026, 12:170.063 0.063 mg/l
13 May 2026, 14:120.045 0.045 mg/l
16 Apr 2026, 14:360.014 0.014 mg/l
17 Mar 2026, 13:120.048 0.048 mg/l
9 Feb 2026, 13:030.084 0.084 mg/l
6 Jan 2026, 11:280.069 0.069 mg/l
9 Dec 2025, 10:180.088 0.088 mg/l
18 Nov 2025, 09:410.15 0.15 mg/l
17 Oct 2025, 12:090.1 0.1 mg/l
12 Sep 2025, 13:250.11 0.11 mg/l
22 Aug 2025, 13:420.16 0.16 mg/l
2 Jul 2025, 10:220.092 0.092 mg/l
5 Jun 2025, 09:190.078 0.078 mg/l
19 May 2025, 08:550.052 0.052 mg/l
9 May 2025, 08:330.072 0.072 mg/l
12 Mar 2025, 09:590.047 0.047 mg/l
7 Feb 2025, 12:460.064 0.064 mg/l
24 Jan 2025, 09:010.071 0.071 mg/l
10 Dec 2024, 13:070.064 0.064 mg/l
22 Nov 2024, 10:060.073 0.073 mg/l
15 Oct 2024, 14:240.093 0.093 mg/l
19 Sep 2024, 13:050.12 0.12 mg/l
27 Aug 2024, 13:100.12 0.12 mg/l
31 Jul 2024, 12:530.085 0.085 mg/l
17 Jun 2024, 09:350.065 0.065 mg/l
20 Mar 2024, 12:300.052 0.052 mg/l
12 Feb 2024, 13:380.085 0.085 mg/l
10 Jan 2024, 10:570.11 0.11 mg/l
4 Dec 2023, 11:320.074 0.074 mg/l
9 Nov 2023, 09:500.093 0.093 mg/l
20 Oct 2023, 11:540.094 0.094 mg/l

Turbidity

code 6396 · NTU

2.7 NTU

Sampled 14 Aug 2026, 48 days ago · 18 results banked

02.557.510NTU20242025202620 Oct 2023, 11:54: 9.1 NTU9 Nov 2023, 09:50: 9 NTU4 Dec 2023, 11:32: 6.3 NTU10 Jan 2024, 10:57: 4.6 NTU12 Feb 2024, 13:38: 5.9 NTU20 Mar 2024, 12:30: 3.2 NTU19 May 2025, 08:55: 5.4 NTU17 Oct 2025, 12:09: 3.6 NTU18 Nov 2025, 09:41: 4.5 NTU9 Dec 2025, 10:18: 9.2 NTU6 Jan 2026, 11:28: 2.1 NTU9 Feb 2026, 13:03: 7.4 NTU17 Mar 2026, 13:12: 3.2 NTU16 Apr 2026, 14:36: 4.9 NTU13 May 2026, 14:12: 4.4 NTU18 Jun 2026, 12:17: 2.7 NTU3 Jul 2026, 11:49: below 1 NTU (not detected above this)14 Aug 2026, 11:02: 2.7 NTU
Every result (18)
SampledResult as publishedReads as
14 Aug 2026, 11:022.7 2.7 NTU
3 Jul 2026, 11:49<1 below 1 NTU (not detected above this)
18 Jun 2026, 12:172.7 2.7 NTU
13 May 2026, 14:124.4 4.4 NTU
16 Apr 2026, 14:364.9 4.9 NTU
17 Mar 2026, 13:123.2 3.2 NTU
9 Feb 2026, 13:037.4 7.4 NTU
6 Jan 2026, 11:282.1 2.1 NTU
9 Dec 2025, 10:189.2 9.2 NTU
18 Nov 2025, 09:414.5 4.5 NTU
17 Oct 2025, 12:093.6 3.6 NTU
19 May 2025, 08:555.4 5.4 NTU
20 Mar 2024, 12:303.2 3.2 NTU
12 Feb 2024, 13:385.9 5.9 NTU
10 Jan 2024, 10:574.6 4.6 NTU
4 Dec 2023, 11:326.3 6.3 NTU
9 Nov 2023, 09:509 9 NTU
20 Oct 2023, 11:549.1 9.1 NTU

Conductivity

at 25 °C · code 0077 · µS/cm

687 µS/cm

Sampled 14 Aug 2026, 48 days ago · 33 results banked

400500600700µS/cm20242025202620 Oct 2023, 11:54: 571 µS/cm9 Nov 2023, 09:50: 539 µS/cm4 Dec 2023, 11:32: 623 µS/cm10 Jan 2024, 10:57: 535 µS/cm12 Feb 2024, 13:38: 526 µS/cm20 Mar 2024, 12:30: 595 µS/cm17 Jun 2024, 09:35: 620 µS/cm31 Jul 2024, 12:53: 640 µS/cm27 Aug 2024, 13:10: 610 µS/cm19 Sep 2024, 13:05: 650 µS/cm15 Oct 2024, 14:24: 514 µS/cm22 Nov 2024, 10:06: 598 µS/cm10 Dec 2024, 13:07: 565 µS/cm24 Jan 2025, 09:01: 570 µS/cm7 Feb 2025, 12:46: 603 µS/cm12 Mar 2025, 09:59: 604 µS/cm9 May 2025, 08:33: 609 µS/cm19 May 2025, 08:55: 623 µS/cm5 Jun 2025, 09:19: 610 µS/cm2 Jul 2025, 10:22: 654 µS/cm22 Aug 2025, 13:42: 656 µS/cm12 Sep 2025, 13:25: 617 µS/cm17 Oct 2025, 12:09: 686 µS/cm18 Nov 2025, 09:41: 611 µS/cm9 Dec 2025, 10:18: 544 µS/cm6 Jan 2026, 11:28: 628 µS/cm9 Feb 2026, 13:03: 481 µS/cm17 Mar 2026, 13:12: 582 µS/cm16 Apr 2026, 14:36: 638 µS/cm13 May 2026, 14:12: 619 µS/cm18 Jun 2026, 12:17: 617 µS/cm3 Jul 2026, 11:49: 635 µS/cm14 Aug 2026, 11:02: 687 µS/cm
Every result (33)
SampledResult as publishedReads as
14 Aug 2026, 11:02687 687 µS/cm
3 Jul 2026, 11:49635 635 µS/cm
18 Jun 2026, 12:17617 617 µS/cm
13 May 2026, 14:12619 619 µS/cm
16 Apr 2026, 14:36638 638 µS/cm
17 Mar 2026, 13:12582 582 µS/cm
9 Feb 2026, 13:03481 481 µS/cm
6 Jan 2026, 11:28628 628 µS/cm
9 Dec 2025, 10:18544 544 µS/cm
18 Nov 2025, 09:41611 611 µS/cm
17 Oct 2025, 12:09686 686 µS/cm
12 Sep 2025, 13:25617 617 µS/cm
22 Aug 2025, 13:42656 656 µS/cm
2 Jul 2025, 10:22654 654 µS/cm
5 Jun 2025, 09:19610 610 µS/cm
19 May 2025, 08:55623 623 µS/cm
9 May 2025, 08:33609 609 µS/cm
12 Mar 2025, 09:59604 604 µS/cm
7 Feb 2025, 12:46603 603 µS/cm
24 Jan 2025, 09:01570 570 µS/cm
10 Dec 2024, 13:07565 565 µS/cm
22 Nov 2024, 10:06598 598 µS/cm
15 Oct 2024, 14:24514 514 µS/cm
19 Sep 2024, 13:05650 650 µS/cm
27 Aug 2024, 13:10610 610 µS/cm
31 Jul 2024, 12:53640 640 µS/cm
17 Jun 2024, 09:35620 620 µS/cm
20 Mar 2024, 12:30595 595 µS/cm
12 Feb 2024, 13:38526 526 µS/cm
10 Jan 2024, 10:57535 535 µS/cm
4 Dec 2023, 11:32623 623 µS/cm
9 Nov 2023, 09:50539 539 µS/cm
20 Oct 2023, 11:54571 571 µS/cm

Everything measured here

81 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 81 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 33 Oct 2023 – Aug 2026 88.5% 14 Aug 2026
Oxygen, Dissolved as O2 9924 River water 33 Oct 2023 – Aug 2026 7.79 mg/l 14 Aug 2026
Temperature of Water 0076 River water 33 Oct 2023 – Aug 2026 21.5 °C 14 Aug 2026
pH 0061 River water 33 Oct 2023 – Aug 2026 7.91 14 Aug 2026
Ammoniacal Nitrogen as N 0111 River water 33 Oct 2023 – Aug 2026 0.088 mg/l 14 Aug 2026
Nitrate as N 0117 River water 33 Oct 2023 – Aug 2026 8.38 mg/l 14 Aug 2026
Orthophosphate, reactive as P 0180 River water 32 Oct 2023 – Jul 2026 0.069 mg/l 3 Jul 2026
Turbidity 6396 River water 18 Oct 2023 – Aug 2026 2.7 NTU 14 Aug 2026
Conductivity at 25 C 0077 River water 33 Oct 2023 – Aug 2026 687 µS/cm 14 Aug 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 2 Dec 2023 – Mar 2024 below 0.001 µg/l 20 Mar 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 2 Dec 2023 – Mar 2024 below 0.001 µg/l 20 Mar 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 Dec 2023 – Mar 2024 below 0.001 µg/l 20 Mar 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 Dec 2023 – Mar 2024 below 0.002 µg/l 20 Mar 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 Dec 2023 – Mar 2024 below 0.001 µg/l 20 Mar 2024
3-Perfluoroheptylpropanoic acid 2925 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
3:3 Fluorotelomer carboxylic acid 2926 River water 2 Dec 2023 – Mar 2024 below 0.004 µg/l 20 Mar 2024
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 Dec 2023 – Mar 2024 below 0.005 µg/l 20 Mar 2024
4:2 Fluorotelomer sulfonic acid 2987 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
6:2 Fluorotelomer sulfonic acid 2984 River water 2 Dec 2023 – Mar 2024 0.0016 µg/l 20 Mar 2024
8:2 Fluorotelomer sulfonic acid 2983 River water 2 Dec 2023 – Mar 2024 below 0.001 µg/l 20 Mar 2024
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Alkalinity to pH 4.5 as CaCO3 0162 River water 32 Oct 2023 – Aug 2026 230 mg/l 14 Aug 2026
Ammonia un-ionised as N 0119 River water 33 Oct 2023 – Aug 2026 0.00303 mg/l 14 Aug 2026
Arsenic, Dissolved 6045 River water 23 Oct 2023 – Aug 2026 below 1 µg/l 14 Aug 2026
BOD : 5 Day ATU 0085 River water 29 Oct 2023 – May 2026 2.8 mg/l 13 May 2026
Boron, Dissolved 9447 River water 23 Oct 2023 – Aug 2026 below 100 µg/l 14 Aug 2026
Cadmium, Dissolved 0106 River water 23 Oct 2023 – Aug 2026 below 0.01 µg/l 14 Aug 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 12 May 2025 – Aug 2026 2.3 mg/l 14 Aug 2026
Chloride 0172 River water 18 Oct 2023 – Aug 2026 49 mg/l 14 Aug 2026
Chlorophyll : Acetone Extract 7887 River water 17 Oct 2023 – Aug 2026 4.1 µg/l 14 Aug 2026
Chromium, Dissolved 3409 River water 23 Oct 2023 – Aug 2026 below 0.5 µg/l 14 Aug 2026
Copper, Dissolved 6450 River water 23 Oct 2023 – Aug 2026 1.5 µg/l 14 Aug 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 Dec 2023 – Mar 2024 below 0.001 µg/l 20 Mar 2024
Iron, Dissolved 6460 River water 23 Oct 2023 – Aug 2026 below 30 µg/l 14 Aug 2026
Lead, Dissolved 0052 River water 23 Oct 2023 – Aug 2026 below 0.1 µg/l 14 Aug 2026
Manganese, Dissolved 6458 River water 23 Oct 2023 – Aug 2026 10 µg/l 14 Aug 2026
Mercury, Dissolved 0103 River water 23 Oct 2023 – Aug 2026 below 0.01 µg/l 14 Aug 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 2 Dec 2023 – Mar 2024 below 0.002 µg/l 20 Mar 2024
N-methylperfluorooctanesulfonamide 2975 River water 2 Dec 2023 – Mar 2024 below 0.002 µg/l 20 Mar 2024
Nickel, Dissolved 3410 River water 23 Oct 2023 – Aug 2026 1.3 µg/l 14 Aug 2026
Nitrite as N 0118 River water 33 Oct 2023 – Aug 2026 0.018 mg/l 14 Aug 2026
Nitrogen, Total Oxidised as N 0116 River water 33 Oct 2023 – Aug 2026 8.4 mg/l 14 Aug 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Perfluoro-3-methoxypropanoic acid 2921 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Perfluorobutanesulfonic acid 2972 River water 2 Dec 2023 – Mar 2024 0.0011 µg/l 20 Mar 2024
Perfluorobutanoic acid 2995 River water 2 Dec 2023 – Mar 2024 0.0021 µg/l 20 Mar 2024
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Perfluorodecanesulfonic acid 2969 River water 2 Dec 2023 – Mar 2024 below 0.002 µg/l 20 Mar 2024
Perfluorodecanoic acid 8892 River water 2 Dec 2023 – Mar 2024 below 0.002 µg/l 20 Mar 2024
Perfluorododecane sulfonic acid 2968 River water 2 Dec 2023 – Mar 2024 below 0.005 µg/l 20 Mar 2024
Perfluorododecanoic acid 8894 River water 2 Dec 2023 – Mar 2024 below 0.002 µg/l 20 Mar 2024
Perfluoroheptanesulfonic acid 2967 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Perfluoroheptanoic acid 8889 River water 2 Dec 2023 – Mar 2024 below 0.001 µg/l 20 Mar 2024
Perfluorohexanesulfonamide 2965 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Perfluorohexanesulfonic acid (B) 2944 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Perfluorohexanesulfonic acid (L) 2964 River water 2 Dec 2023 – Mar 2024 0.0014 µg/l 20 Mar 2024
Perfluorohexanoic acid 8888 River water 2 Dec 2023 – Mar 2024 0.0014 µg/l 20 Mar 2024
Perfluorononanesulfonic acid 2963 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Perfluorononanoic acid 8891 River water 2 Dec 2023 – Mar 2024 below 0.001 µg/l 20 Mar 2024
Perfluorooctadecanoic acid 2962 River water 2 Dec 2023 – Mar 2024 below 0.002 µg/l 20 Mar 2024
Perfluorooctanesulfonamide 2961 River water 2 Dec 2023 – Mar 2024 below 0.001 µg/l 20 Mar 2024
Perfluorooctanesulfonic acid (branched) 2960 River water 2 Dec 2023 – Mar 2024 0.0019 µg/l 20 Mar 2024
Perfluorooctanesulfonic acid (linear) 2959 River water 2 Dec 2023 – Mar 2024 0.0017 µg/l 20 Mar 2024
Perfluorooctanoic acid 8890 River water 2 Dec 2023 – Mar 2024 0.0014 µg/l 20 Mar 2024
Perfluoropentanesulfonic acid 2957 River water 2 Dec 2023 – Mar 2024 below 0.0005 µg/l 20 Mar 2024
Perfluoropentanoic acid 8887 River water 2 Dec 2023 – Mar 2024 0.002 µg/l 20 Mar 2024
Perfluorotetradecanoic acid 8895 River water 2 Dec 2023 – Mar 2024 below 0.006 µg/l 20 Mar 2024
Perfluorotridecanoic acid 2955 River water 2 Dec 2023 – Mar 2024 below 0.005 µg/l 20 Mar 2024
Perfluoroundecane sulfonic acid 2953 River water 2 Dec 2023 – Mar 2024 below 0.004 µg/l 20 Mar 2024
Perfluoroundecanoic acid 8893 River water 2 Dec 2023 – Mar 2024 below 0.002 µg/l 20 Mar 2024
Phosphorus, Total as P 0348 River water 18 Oct 2023 – Aug 2026 0.1 mg/l 14 Aug 2026
Potassium, Dissolved 0209 River water 23 Oct 2023 – Aug 2026 5.5 mg/l 14 Aug 2026
Silica, reactive as SiO2 0182 River water 18 Oct 2023 – Aug 2026 14 mg/l 14 Aug 2026
Sodium, Dissolved 0205 River water 23 Oct 2023 – Aug 2026 28 mg/l 14 Aug 2026
Sulphate, Dissolved as SO4 7859 River water 23 Oct 2023 – Aug 2026 27 mg/l 14 Aug 2026
Tributyl Tin as Cation 8944 River water 2 Nov 2023 – Feb 2024 below 0.0002 µg/l 12 Feb 2024
Zinc, Dissolved 3408 River water 23 Oct 2023 – Aug 2026 3.1 µg/l 14 Aug 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.