Thames just above Goring Weir

EA name: THAMES JUST ABOVE GORING WEIR
Environment Agency sampling point TH-PTHR0120 · 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
10 Jul 2026, 12:453 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
36 since 17 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 459600, 180800As published, to the nearest 100 m (so up to about 70 m out). Open in a map
River, by its own name
Thames
River, by the map
River ThamesPlaced on the river its name gives, 48 m from the line.
Next gauge downstream
Whitchurch Lock On the River Thames · 6.6 km along the riverBeside Goring Lock: too close to say above or below.
Nearest gauge upstream
Cleeve Lock On the River Thames · 0.9 km along the river
Why it was sampled
Environmental monitoring statutory (EU directives) (33 samples)
Monitoring (national agency policy) (3 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

130.2%

Sampled 10 Jul 2026, 3 months ago · 36 results banked

80100120140%20242025202617 Oct 2023, 13:43: 94.7%31 Oct 2023, 14:02: 95.9%20 Nov 2023, 13:37: 89.8%4 Dec 2023, 12:11: 99.1%23 Jan 2024, 11:59: 97.8%8 Apr 2024, 11:34: 98.7%22 Apr 2024, 12:12: 101.3%14 May 2024, 09:09: 97.5%17 Jun 2024, 13:07: 100.7%2 Jul 2024, 13:48: 98.7%23 Aug 2024, 09:17: 96.5%20 Sep 2024, 12:44: 94.9%14 Oct 2024, 14:35: 94.8%30 Oct 2024, 14:08: 99.6%14 Nov 2024, 14:11: 97.6%13 Dec 2024, 08:53: 97.5%22 Jan 2025, 09:18: 98.7%10 Feb 2025, 09:04: 98.9%28 Feb 2025, 09:17: 94.1%17 Mar 2025, 10:23: 102%24 Apr 2025, 12:56: 117.1%21 May 2025, 12:45: 115.3%20 Jun 2025, 09:27: 107.2%23 Jul 2025, 10:44: 95.9%14 Aug 2025, 12:47: 108.3%1 Sep 2025, 15:24: 91.2%31 Oct 2025, 14:27: 91.9%21 Nov 2025, 12:48: 97%12 Dec 2025, 08:28: 96.2%9 Jan 2026, 12:37: 100.4%20 Feb 2026, 13:49: 89.9%20 Mar 2026, 14:48: 107.7%9 Apr 2026, 13:56: 105.8%5 May 2026, 08:37: 95.4%23 Jun 2026, 13:46: 106.9%10 Jul 2026, 12:45: 130.2%
Every result (36)
SampledResult as publishedReads as
10 Jul 2026, 12:45130.2 130.2%
23 Jun 2026, 13:46106.9 106.9%
5 May 2026, 08:3795.4 95.4%
9 Apr 2026, 13:56105.8 105.8%
20 Mar 2026, 14:48107.7 107.7%
20 Feb 2026, 13:4989.9 89.9%
9 Jan 2026, 12:37100.4 100.4%
12 Dec 2025, 08:2896.2 96.2%
21 Nov 2025, 12:4897 97%
31 Oct 2025, 14:2791.9 91.9%
1 Sep 2025, 15:2491.2 91.2%
14 Aug 2025, 12:47108.3 108.3%
23 Jul 2025, 10:4495.9 95.9%
20 Jun 2025, 09:27107.2 107.2%
21 May 2025, 12:45115.3 115.3%
24 Apr 2025, 12:56117.1 117.1%
17 Mar 2025, 10:23102 102%
28 Feb 2025, 09:1794.1 94.1%
10 Feb 2025, 09:0498.9 98.9%
22 Jan 2025, 09:1898.7 98.7%
13 Dec 2024, 08:5397.5 97.5%
14 Nov 2024, 14:1197.6 97.6%
30 Oct 2024, 14:0899.6 99.6%
14 Oct 2024, 14:3594.8 94.8%
20 Sep 2024, 12:4494.9 94.9%
23 Aug 2024, 09:1796.5 96.5%
2 Jul 2024, 13:4898.7 98.7%
17 Jun 2024, 13:07100.7 100.7%
14 May 2024, 09:0997.5 97.5%
22 Apr 2024, 12:12101.3 101.3%
8 Apr 2024, 11:3498.7 98.7%
23 Jan 2024, 11:5997.8 97.8%
4 Dec 2023, 12:1199.1 99.1%
20 Nov 2023, 13:3789.8 89.8%
31 Oct 2023, 14:0295.9 95.9%
17 Oct 2023, 13:4394.7 94.7%

Dissolved oxygen

as O2 · code 9924 · mg/l

10.5 mg/l

Sampled 10 Jul 2026, 3 months ago · 36 results banked

8101214mg/l20242025202617 Oct 2023, 13:43: 10.3 mg/l31 Oct 2023, 14:02: 10.6 mg/l20 Nov 2023, 13:37: 10.1 mg/l4 Dec 2023, 12:11: 12.5 mg/l23 Jan 2024, 11:59: 11.8 mg/l8 Apr 2024, 11:34: 10.5 mg/l22 Apr 2024, 12:12: 11.2 mg/l14 May 2024, 09:09: 9.54 mg/l17 Jun 2024, 13:07: 9.89 mg/l2 Jul 2024, 13:48: 9.21 mg/l23 Aug 2024, 09:17: 9.09 mg/l20 Sep 2024, 12:44: 9.32 mg/l14 Oct 2024, 14:35: 10.6 mg/l30 Oct 2024, 14:08: 10.7 mg/l14 Nov 2024, 14:11: 11 mg/l13 Dec 2024, 08:53: 12 mg/l22 Jan 2025, 09:18: 12.4 mg/l10 Feb 2025, 09:04: 12.5 mg/l28 Feb 2025, 09:17: 11.6 mg/l17 Mar 2025, 10:23: 12.3 mg/l24 Apr 2025, 12:56: 12.4 mg/l21 May 2025, 12:45: 11.1 mg/l20 Jun 2025, 09:27: 9.35 mg/l23 Jul 2025, 10:44: 8.65 mg/l14 Aug 2025, 12:47: 9.56 mg/l1 Sep 2025, 15:24: 8.61 mg/l31 Oct 2025, 14:27: 10.1 mg/l21 Nov 2025, 12:48: 12.2 mg/l12 Dec 2025, 08:28: 11.1 mg/l9 Jan 2026, 12:37: 13.2 mg/l20 Feb 2026, 13:49: 11.2 mg/l20 Mar 2026, 14:48: 11.7 mg/l9 Apr 2026, 13:56: 11.1 mg/l5 May 2026, 08:37: 9.62 mg/l23 Jun 2026, 13:46: 8.9 mg/l10 Jul 2026, 12:45: 10.5 mg/l
Every result (36)
SampledResult as publishedReads as
10 Jul 2026, 12:4510.5 10.5 mg/l
23 Jun 2026, 13:468.9 8.9 mg/l
5 May 2026, 08:379.62 9.62 mg/l
9 Apr 2026, 13:5611.1 11.1 mg/l
20 Mar 2026, 14:4811.7 11.7 mg/l
20 Feb 2026, 13:4911.2 11.2 mg/l
9 Jan 2026, 12:3713.2 13.2 mg/l
12 Dec 2025, 08:2811.1 11.1 mg/l
21 Nov 2025, 12:4812.2 12.2 mg/l
31 Oct 2025, 14:2710.1 10.1 mg/l
1 Sep 2025, 15:248.61 8.61 mg/l
14 Aug 2025, 12:479.56 9.56 mg/l
23 Jul 2025, 10:448.65 8.65 mg/l
20 Jun 2025, 09:279.35 9.35 mg/l
21 May 2025, 12:4511.1 11.1 mg/l
24 Apr 2025, 12:5612.4 12.4 mg/l
17 Mar 2025, 10:2312.3 12.3 mg/l
28 Feb 2025, 09:1711.6 11.6 mg/l
10 Feb 2025, 09:0412.5 12.5 mg/l
22 Jan 2025, 09:1812.4 12.4 mg/l
13 Dec 2024, 08:5312 12 mg/l
14 Nov 2024, 14:1111 11 mg/l
30 Oct 2024, 14:0810.7 10.7 mg/l
14 Oct 2024, 14:3510.6 10.6 mg/l
20 Sep 2024, 12:449.32 9.32 mg/l
23 Aug 2024, 09:179.09 9.09 mg/l
2 Jul 2024, 13:489.21 9.21 mg/l
17 Jun 2024, 13:079.89 9.89 mg/l
14 May 2024, 09:099.54 9.54 mg/l
22 Apr 2024, 12:1211.2 11.2 mg/l
8 Apr 2024, 11:3410.5 10.5 mg/l
23 Jan 2024, 11:5911.8 11.8 mg/l
4 Dec 2023, 12:1112.5 12.5 mg/l
20 Nov 2023, 13:3710.1 10.1 mg/l
31 Oct 2023, 14:0210.6 10.6 mg/l
17 Oct 2023, 13:4310.3 10.3 mg/l

Water temperature

code 0076 · °C

26 °C

Sampled 10 Jul 2026, 3 months ago · 36 results banked

0102030°C20242025202617 Oct 2023, 13:43: 11.5 °C31 Oct 2023, 14:02: 11 °C20 Nov 2023, 13:37: 9.9 °C4 Dec 2023, 12:11: 5.5 °C23 Jan 2024, 11:59: 7.2 °C8 Apr 2024, 11:34: 12.4 °C22 Apr 2024, 12:12: 10.7 °C14 May 2024, 09:09: 16.3 °C17 Jun 2024, 13:07: 16.1 °C2 Jul 2024, 13:48: 18.6 °C23 Aug 2024, 09:17: 18.1 °C20 Sep 2024, 12:44: 16.1 °C14 Oct 2024, 14:35: 10.5 °C30 Oct 2024, 14:08: 12.2 °C14 Nov 2024, 14:11: 9.8 °C13 Dec 2024, 08:53: 6.5 °C22 Jan 2025, 09:18: 5.5 °C10 Feb 2025, 09:04: 5.2 °C28 Feb 2025, 09:17: 6.4 °C17 Mar 2025, 10:23: 7.1 °C24 Apr 2025, 12:56: 12.8 °C21 May 2025, 12:45: 17.2 °C20 Jun 2025, 09:27: 22 °C23 Jul 2025, 10:44: 20.3 °C14 Aug 2025, 12:47: 21.4 °C1 Sep 2025, 15:24: 18 °C31 Oct 2025, 14:27: 11.1 °C21 Nov 2025, 12:48: 5.6 °C12 Dec 2025, 08:28: 8.9 °C9 Jan 2026, 12:37: 3.9 °C20 Feb 2026, 13:49: 5.9 °C20 Mar 2026, 14:48: 11.7 °C9 Apr 2026, 13:56: 13.1 °C5 May 2026, 08:37: 14.9 °C23 Jun 2026, 13:46: 24.5 °C10 Jul 2026, 12:45: 26 °C
Every result (36)
SampledResult as publishedReads as
10 Jul 2026, 12:4526 26 °C
23 Jun 2026, 13:4624.5 24.5 °C
5 May 2026, 08:3714.9 14.9 °C
9 Apr 2026, 13:5613.1 13.1 °C
20 Mar 2026, 14:4811.7 11.7 °C
20 Feb 2026, 13:495.9 5.9 °C
9 Jan 2026, 12:373.9 3.9 °C
12 Dec 2025, 08:288.9 8.9 °C
21 Nov 2025, 12:485.6 5.6 °C
31 Oct 2025, 14:2711.1 11.1 °C
1 Sep 2025, 15:2418 18 °C
14 Aug 2025, 12:4721.4 21.4 °C
23 Jul 2025, 10:4420.3 20.3 °C
20 Jun 2025, 09:2722 22 °C
21 May 2025, 12:4517.2 17.2 °C
24 Apr 2025, 12:5612.8 12.8 °C
17 Mar 2025, 10:237.1 7.1 °C
28 Feb 2025, 09:176.4 6.4 °C
10 Feb 2025, 09:045.2 5.2 °C
22 Jan 2025, 09:185.5 5.5 °C
13 Dec 2024, 08:536.5 6.5 °C
14 Nov 2024, 14:119.8 9.8 °C
30 Oct 2024, 14:0812.2 12.2 °C
14 Oct 2024, 14:3510.5 10.5 °C
20 Sep 2024, 12:4416.1 16.1 °C
23 Aug 2024, 09:1718.1 18.1 °C
2 Jul 2024, 13:4818.6 18.6 °C
17 Jun 2024, 13:0716.1 16.1 °C
14 May 2024, 09:0916.3 16.3 °C
22 Apr 2024, 12:1210.7 10.7 °C
8 Apr 2024, 11:3412.4 12.4 °C
23 Jan 2024, 11:597.2 7.2 °C
4 Dec 2023, 12:115.5 5.5 °C
20 Nov 2023, 13:379.9 9.9 °C
31 Oct 2023, 14:0211 11 °C
17 Oct 2023, 13:4311.5 11.5 °C

pH

code 0061

8.27

Sampled 10 Jul 2026, 3 months ago · 36 results banked

7.57.7588.258.58.7520242025202617 Oct 2023, 13:43: 7.9831 Oct 2023, 14:02: 8.0220 Nov 2023, 13:37: 7.844 Dec 2023, 12:11: 8.2123 Jan 2024, 11:59: 8.188 Apr 2024, 11:34: 8.3722 Apr 2024, 12:12: 8.2914 May 2024, 09:09: 8.3317 Jun 2024, 13:07: 8.122 Jul 2024, 13:48: 8.2323 Aug 2024, 09:17: 8.1520 Sep 2024, 12:44: 7.6914 Oct 2024, 14:35: 7.6130 Oct 2024, 14:08: 8.0114 Nov 2024, 14:11: 8.0913 Dec 2024, 08:53: 8.0622 Jan 2025, 09:18: 8.1710 Feb 2025, 09:04: 8.1528 Feb 2025, 09:17: 817 Mar 2025, 10:23: 8.3424 Apr 2025, 12:56: 8.5521 May 2025, 12:45: 8.3620 Jun 2025, 09:27: 8.1223 Jul 2025, 10:44: 8.0714 Aug 2025, 12:47: 8.171 Sep 2025, 15:24: 7.9931 Oct 2025, 14:27: 7.9821 Nov 2025, 12:48: 7.9812 Dec 2025, 08:28: 8.039 Jan 2026, 12:37: 8.2820 Feb 2026, 13:49: 8.1320 Mar 2026, 14:48: 8.249 Apr 2026, 13:56: 8.365 May 2026, 08:37: 8.1523 Jun 2026, 13:46: 8.0810 Jul 2026, 12:45: 8.27
Every result (36)
SampledResult as publishedReads as
10 Jul 2026, 12:458.27 8.27
23 Jun 2026, 13:468.08 8.08
5 May 2026, 08:378.15 8.15
9 Apr 2026, 13:568.36 8.36
20 Mar 2026, 14:488.24 8.24
20 Feb 2026, 13:498.13 8.13
9 Jan 2026, 12:378.28 8.28
12 Dec 2025, 08:288.03 8.03
21 Nov 2025, 12:487.98 7.98
31 Oct 2025, 14:277.98 7.98
1 Sep 2025, 15:247.99 7.99
14 Aug 2025, 12:478.17 8.17
23 Jul 2025, 10:448.07 8.07
20 Jun 2025, 09:278.12 8.12
21 May 2025, 12:458.36 8.36
24 Apr 2025, 12:568.55 8.55
17 Mar 2025, 10:238.34 8.34
28 Feb 2025, 09:178 8
10 Feb 2025, 09:048.15 8.15
22 Jan 2025, 09:188.17 8.17
13 Dec 2024, 08:538.06 8.06
14 Nov 2024, 14:118.09 8.09
30 Oct 2024, 14:088.01 8.01
14 Oct 2024, 14:357.61 7.61
20 Sep 2024, 12:447.69 7.69
23 Aug 2024, 09:178.15 8.15
2 Jul 2024, 13:488.23 8.23
17 Jun 2024, 13:078.12 8.12
14 May 2024, 09:098.33 8.33
22 Apr 2024, 12:128.29 8.29
8 Apr 2024, 11:348.37 8.37
23 Jan 2024, 11:598.18 8.18
4 Dec 2023, 12:118.21 8.21
20 Nov 2023, 13:377.84 7.84
31 Oct 2023, 14:028.02 8.02
17 Oct 2023, 13:437.98 7.98

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.08 mg/l

Sampled 10 Jul 2026, 3 months ago · 35 results banked

0.020.040.060.080.1mg/l20242025202617 Oct 2023, 13:43: 0.05 mg/l31 Oct 2023, 14:02: below 0.03 mg/l (not detected above this)20 Nov 2023, 13:37: 0.055 mg/l4 Dec 2023, 12:11: 0.037 mg/l23 Jan 2024, 11:59: 0.072 mg/l22 Apr 2024, 12:12: below 0.03 mg/l (not detected above this)14 May 2024, 09:09: below 0.03 mg/l (not detected above this)17 Jun 2024, 13:07: below 0.03 mg/l (not detected above this)2 Jul 2024, 13:48: below 0.03 mg/l (not detected above this)23 Aug 2024, 09:17: below 0.03 mg/l (not detected above this)20 Sep 2024, 12:44: below 0.03 mg/l (not detected above this)14 Oct 2024, 14:35: below 0.03 mg/l (not detected above this)30 Oct 2024, 14:08: below 0.03 mg/l (not detected above this)14 Nov 2024, 14:11: below 0.03 mg/l (not detected above this)13 Dec 2024, 08:53: below 0.03 mg/l (not detected above this)22 Jan 2025, 09:18: 0.086 mg/l10 Feb 2025, 09:04: 0.071 mg/l28 Feb 2025, 09:17: 0.045 mg/l17 Mar 2025, 10:23: below 0.03 mg/l (not detected above this)24 Apr 2025, 12:56: below 0.03 mg/l (not detected above this)21 May 2025, 12:45: below 0.03 mg/l (not detected above this)20 Jun 2025, 09:27: 0.071 mg/l23 Jul 2025, 10:44: below 0.03 mg/l (not detected above this)14 Aug 2025, 12:47: below 0.03 mg/l (not detected above this)1 Sep 2025, 15:24: below 0.03 mg/l (not detected above this)31 Oct 2025, 14:27: 0.037 mg/l21 Nov 2025, 12:48: below 0.03 mg/l (not detected above this)12 Dec 2025, 08:28: below 0.03 mg/l (not detected above this)9 Jan 2026, 12:37: 0.06 mg/l20 Feb 2026, 13:49: 0.034 mg/l20 Mar 2026, 14:48: 0.045 mg/l9 Apr 2026, 13:56: below 0.03 mg/l (not detected above this)5 May 2026, 08:37: 0.044 mg/l23 Jun 2026, 13:46: below 0.03 mg/l (not detected above this)10 Jul 2026, 12:45: 0.08 mg/l
Every result (35)
SampledResult as publishedReads as
10 Jul 2026, 12:450.08 0.08 mg/l
23 Jun 2026, 13:46<0.03 below 0.03 mg/l (not detected above this)
5 May 2026, 08:370.044 0.044 mg/l
9 Apr 2026, 13:56<0.03 below 0.03 mg/l (not detected above this)
20 Mar 2026, 14:480.045 0.045 mg/l
20 Feb 2026, 13:490.034 0.034 mg/l
9 Jan 2026, 12:370.06 0.06 mg/l
12 Dec 2025, 08:28<0.03 below 0.03 mg/l (not detected above this)
21 Nov 2025, 12:48<0.03 below 0.03 mg/l (not detected above this)
31 Oct 2025, 14:270.037 0.037 mg/l
1 Sep 2025, 15:24<0.03 below 0.03 mg/l (not detected above this)
14 Aug 2025, 12:47<0.03 below 0.03 mg/l (not detected above this)
23 Jul 2025, 10:44<0.03 below 0.03 mg/l (not detected above this)
20 Jun 2025, 09:270.071 0.071 mg/l
21 May 2025, 12:45<0.03 below 0.03 mg/l (not detected above this)
24 Apr 2025, 12:56<0.03 below 0.03 mg/l (not detected above this)
17 Mar 2025, 10:23<0.03 below 0.03 mg/l (not detected above this)
28 Feb 2025, 09:170.045 0.045 mg/l
10 Feb 2025, 09:040.071 0.071 mg/l
22 Jan 2025, 09:180.086 0.086 mg/l
13 Dec 2024, 08:53<0.03 below 0.03 mg/l (not detected above this)
14 Nov 2024, 14:11<0.03 below 0.03 mg/l (not detected above this)
30 Oct 2024, 14:08<0.03 below 0.03 mg/l (not detected above this)
14 Oct 2024, 14:35<0.03 below 0.03 mg/l (not detected above this)
20 Sep 2024, 12:44<0.03 below 0.03 mg/l (not detected above this)
23 Aug 2024, 09:17<0.03 below 0.03 mg/l (not detected above this)
2 Jul 2024, 13:48<0.03 below 0.03 mg/l (not detected above this)
17 Jun 2024, 13:07<0.03 below 0.03 mg/l (not detected above this)
14 May 2024, 09:09<0.03 below 0.03 mg/l (not detected above this)
22 Apr 2024, 12:12<0.03 below 0.03 mg/l (not detected above this)
23 Jan 2024, 11:590.072 0.072 mg/l
4 Dec 2023, 12:110.037 0.037 mg/l
20 Nov 2023, 13:370.055 0.055 mg/l
31 Oct 2023, 14:02<0.03 below 0.03 mg/l (not detected above this)
17 Oct 2023, 13:430.05 0.05 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

6.38 mg/l

Sampled 10 Jul 2026, 3 months ago · 35 results banked

246810mg/l20242025202617 Oct 2023, 13:43: 6.77 mg/l31 Oct 2023, 14:02: 5.38 mg/l20 Nov 2023, 13:37: 4.58 mg/l4 Dec 2023, 12:11: 6.47 mg/l23 Jan 2024, 11:59: 6.97 mg/l22 Apr 2024, 12:12: 6.99 mg/l14 May 2024, 09:09: 6.58 mg/l17 Jun 2024, 13:07: 7.38 mg/l2 Jul 2024, 13:48: 7.18 mg/l23 Aug 2024, 09:17: 7.99 mg/l20 Sep 2024, 12:44: 7.98 mg/l14 Oct 2024, 14:35: 3.69 mg/l30 Oct 2024, 14:08: 4.99 mg/l14 Nov 2024, 14:11: 7.29 mg/l13 Dec 2024, 08:53: 5.18 mg/l22 Jan 2025, 09:18: 6.97 mg/l10 Feb 2025, 09:04: 6.67 mg/l28 Feb 2025, 09:17: 4.68 mg/l17 Mar 2025, 10:23: 7.78 mg/l24 Apr 2025, 12:56: 7.68 mg/l21 May 2025, 12:45: 8.28 mg/l20 Jun 2025, 09:27: 8.18 mg/l23 Jul 2025, 10:44: 8.18 mg/l14 Aug 2025, 12:47: 9.08 mg/l1 Sep 2025, 15:24: 9.98 mg/l31 Oct 2025, 14:27: 8.88 mg/l21 Nov 2025, 12:48: 7.28 mg/l12 Dec 2025, 08:28: 6.69 mg/l9 Jan 2026, 12:37: 7.68 mg/l20 Feb 2026, 13:49: 4.48 mg/l20 Mar 2026, 14:48: 6.49 mg/l9 Apr 2026, 13:56: 7.38 mg/l5 May 2026, 08:37: 7.77 mg/l23 Jun 2026, 13:46: 6.88 mg/l10 Jul 2026, 12:45: 6.38 mg/l
Every result (35)
SampledResult as publishedReads as
10 Jul 2026, 12:456.38 6.38 mg/l
23 Jun 2026, 13:466.88 6.88 mg/l
5 May 2026, 08:377.77 7.77 mg/l
9 Apr 2026, 13:567.38 7.38 mg/l
20 Mar 2026, 14:486.49 6.49 mg/l
20 Feb 2026, 13:494.48 4.48 mg/l
9 Jan 2026, 12:377.68 7.68 mg/l
12 Dec 2025, 08:286.69 6.69 mg/l
21 Nov 2025, 12:487.28 7.28 mg/l
31 Oct 2025, 14:278.88 8.88 mg/l
1 Sep 2025, 15:249.98 9.98 mg/l
14 Aug 2025, 12:479.08 9.08 mg/l
23 Jul 2025, 10:448.18 8.18 mg/l
20 Jun 2025, 09:278.18 8.18 mg/l
21 May 2025, 12:458.28 8.28 mg/l
24 Apr 2025, 12:567.68 7.68 mg/l
17 Mar 2025, 10:237.78 7.78 mg/l
28 Feb 2025, 09:174.68 4.68 mg/l
10 Feb 2025, 09:046.67 6.67 mg/l
22 Jan 2025, 09:186.97 6.97 mg/l
13 Dec 2024, 08:535.18 5.18 mg/l
14 Nov 2024, 14:117.29 7.29 mg/l
30 Oct 2024, 14:084.99 4.99 mg/l
14 Oct 2024, 14:353.69 3.69 mg/l
20 Sep 2024, 12:447.98 7.98 mg/l
23 Aug 2024, 09:177.99 7.99 mg/l
2 Jul 2024, 13:487.18 7.18 mg/l
17 Jun 2024, 13:077.38 7.38 mg/l
14 May 2024, 09:096.58 6.58 mg/l
22 Apr 2024, 12:126.99 6.99 mg/l
23 Jan 2024, 11:596.97 6.97 mg/l
4 Dec 2023, 12:116.47 6.47 mg/l
20 Nov 2023, 13:374.58 4.58 mg/l
31 Oct 2023, 14:025.38 5.38 mg/l
17 Oct 2023, 13:436.77 6.77 mg/l

Phosphate

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

0.25 mg/l

Sampled 10 Jul 2026, 3 months ago · 35 results banked

00.10.20.30.4mg/l20242025202617 Oct 2023, 13:43: 0.26 mg/l31 Oct 2023, 14:02: 0.16 mg/l20 Nov 2023, 13:37: 0.11 mg/l4 Dec 2023, 12:11: 0.12 mg/l23 Jan 2024, 11:59: 0.11 mg/l22 Apr 2024, 12:12: 0.093 mg/l14 May 2024, 09:09: 0.14 mg/l17 Jun 2024, 13:07: 0.18 mg/l2 Jul 2024, 13:48: 0.19 mg/l23 Aug 2024, 09:17: 0.25 mg/l20 Sep 2024, 12:44: 0.3 mg/l14 Oct 2024, 14:35: 0.088 mg/l30 Oct 2024, 14:08: 0.098 mg/l14 Nov 2024, 14:11: 0.13 mg/l13 Dec 2024, 08:53: 0.083 mg/l22 Jan 2025, 09:18: 0.12 mg/l10 Feb 2025, 09:04: 0.1 mg/l28 Feb 2025, 09:17: 0.09 mg/l17 Mar 2025, 10:23: 0.098 mg/l24 Apr 2025, 12:56: 0.084 mg/l21 May 2025, 12:45: 0.18 mg/l20 Jun 2025, 09:27: 0.25 mg/l23 Jul 2025, 10:44: 0.29 mg/l14 Aug 2025, 12:47: 0.27 mg/l1 Sep 2025, 15:24: 0.28 mg/l31 Oct 2025, 14:27: 0.31 mg/l21 Nov 2025, 12:48: 0.18 mg/l12 Dec 2025, 08:28: 0.14 mg/l9 Jan 2026, 12:37: 0.13 mg/l20 Feb 2026, 13:49: 0.039 mg/l20 Mar 2026, 14:48: 0.11 mg/l9 Apr 2026, 13:56: 0.074 mg/l5 May 2026, 08:37: 0.13 mg/l23 Jun 2026, 13:46: 0.24 mg/l10 Jul 2026, 12:45: 0.25 mg/l
Every result (35)
SampledResult as publishedReads as
10 Jul 2026, 12:450.25 0.25 mg/l
23 Jun 2026, 13:460.24 0.24 mg/l
5 May 2026, 08:370.13 0.13 mg/l
9 Apr 2026, 13:560.074 0.074 mg/l
20 Mar 2026, 14:480.11 0.11 mg/l
20 Feb 2026, 13:490.039 0.039 mg/l
9 Jan 2026, 12:370.13 0.13 mg/l
12 Dec 2025, 08:280.14 0.14 mg/l
21 Nov 2025, 12:480.18 0.18 mg/l
31 Oct 2025, 14:270.31 0.31 mg/l
1 Sep 2025, 15:240.28 0.28 mg/l
14 Aug 2025, 12:470.27 0.27 mg/l
23 Jul 2025, 10:440.29 0.29 mg/l
20 Jun 2025, 09:270.25 0.25 mg/l
21 May 2025, 12:450.18 0.18 mg/l
24 Apr 2025, 12:560.084 0.084 mg/l
17 Mar 2025, 10:230.098 0.098 mg/l
28 Feb 2025, 09:170.09 0.09 mg/l
10 Feb 2025, 09:040.1 0.1 mg/l
22 Jan 2025, 09:180.12 0.12 mg/l
13 Dec 2024, 08:530.083 0.083 mg/l
14 Nov 2024, 14:110.13 0.13 mg/l
30 Oct 2024, 14:080.098 0.098 mg/l
14 Oct 2024, 14:350.088 0.088 mg/l
20 Sep 2024, 12:440.3 0.3 mg/l
23 Aug 2024, 09:170.25 0.25 mg/l
2 Jul 2024, 13:480.19 0.19 mg/l
17 Jun 2024, 13:070.18 0.18 mg/l
14 May 2024, 09:090.14 0.14 mg/l
22 Apr 2024, 12:120.093 0.093 mg/l
23 Jan 2024, 11:590.11 0.11 mg/l
4 Dec 2023, 12:110.12 0.12 mg/l
20 Nov 2023, 13:370.11 0.11 mg/l
31 Oct 2023, 14:020.16 0.16 mg/l
17 Oct 2023, 13:430.26 0.26 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

732 µS/cm

Sampled 10 Jul 2026, 3 months ago · 35 results banked

500600700800900µS/cm20242025202617 Oct 2023, 13:43: 620 µS/cm31 Oct 2023, 14:02: 634 µS/cm20 Nov 2023, 13:37: 601 µS/cm4 Dec 2023, 12:11: 688 µS/cm23 Jan 2024, 11:59: 669 µS/cm22 Apr 2024, 12:12: 639 µS/cm14 May 2024, 09:09: 664 µS/cm17 Jun 2024, 13:07: 677 µS/cm2 Jul 2024, 13:48: 683 µS/cm23 Aug 2024, 09:17: 725 µS/cm20 Sep 2024, 12:44: 700 µS/cm14 Oct 2024, 14:35: 584 µS/cm30 Oct 2024, 14:08: 637 µS/cm14 Nov 2024, 14:11: 683 µS/cm13 Dec 2024, 08:53: 589 µS/cm22 Jan 2025, 09:18: 663 µS/cm10 Feb 2025, 09:04: 656 µS/cm28 Feb 2025, 09:17: 564 µS/cm17 Mar 2025, 10:23: 671 µS/cm24 Apr 2025, 12:56: 661 µS/cm21 May 2025, 12:45: 705 µS/cm20 Jun 2025, 09:27: 709 µS/cm23 Jul 2025, 10:44: 756 µS/cm14 Aug 2025, 12:47: 755 µS/cm1 Sep 2025, 15:24: 811 µS/cm31 Oct 2025, 14:27: 775 µS/cm21 Nov 2025, 12:48: 631 µS/cm12 Dec 2025, 08:28: 564 µS/cm9 Jan 2026, 12:37: 671 µS/cm20 Feb 2026, 13:49: 529 µS/cm20 Mar 2026, 14:48: 639 µS/cm9 Apr 2026, 13:56: 648 µS/cm5 May 2026, 08:37: 666 µS/cm23 Jun 2026, 13:46: 695 µS/cm10 Jul 2026, 12:45: 732 µS/cm
Every result (35)
SampledResult as publishedReads as
10 Jul 2026, 12:45732 732 µS/cm
23 Jun 2026, 13:46695 695 µS/cm
5 May 2026, 08:37666 666 µS/cm
9 Apr 2026, 13:56648 648 µS/cm
20 Mar 2026, 14:48639 639 µS/cm
20 Feb 2026, 13:49529 529 µS/cm
9 Jan 2026, 12:37671 671 µS/cm
12 Dec 2025, 08:28564 564 µS/cm
21 Nov 2025, 12:48631 631 µS/cm
31 Oct 2025, 14:27775 775 µS/cm
1 Sep 2025, 15:24811 811 µS/cm
14 Aug 2025, 12:47755 755 µS/cm
23 Jul 2025, 10:44756 756 µS/cm
20 Jun 2025, 09:27709 709 µS/cm
21 May 2025, 12:45705 705 µS/cm
24 Apr 2025, 12:56661 661 µS/cm
17 Mar 2025, 10:23671 671 µS/cm
28 Feb 2025, 09:17564 564 µS/cm
10 Feb 2025, 09:04656 656 µS/cm
22 Jan 2025, 09:18663 663 µS/cm
13 Dec 2024, 08:53589 589 µS/cm
14 Nov 2024, 14:11683 683 µS/cm
30 Oct 2024, 14:08637 637 µS/cm
14 Oct 2024, 14:35584 584 µS/cm
20 Sep 2024, 12:44700 700 µS/cm
23 Aug 2024, 09:17725 725 µS/cm
2 Jul 2024, 13:48683 683 µS/cm
17 Jun 2024, 13:07677 677 µS/cm
14 May 2024, 09:09664 664 µS/cm
22 Apr 2024, 12:12639 639 µS/cm
23 Jan 2024, 11:59669 669 µS/cm
4 Dec 2023, 12:11688 688 µS/cm
20 Nov 2023, 13:37601 601 µS/cm
31 Oct 2023, 14:02634 634 µS/cm
17 Oct 2023, 13:43620 620 µS/cm

Everything measured here

65 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 65 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 36 Oct 2023 – Jul 2026 130.2% 10 Jul 2026
Oxygen, Dissolved as O2 9924 River water 36 Oct 2023 – Jul 2026 10.5 mg/l 10 Jul 2026
Temperature of Water 0076 River water 36 Oct 2023 – Jul 2026 26 °C 10 Jul 2026
pH 0061 River water 36 Oct 2023 – Jul 2026 8.27 10 Jul 2026
Ammoniacal Nitrogen as N 0111 River water 35 Oct 2023 – Jul 2026 0.08 mg/l 10 Jul 2026
Nitrate as N 0117 River water 35 Oct 2023 – Jul 2026 6.38 mg/l 10 Jul 2026
Orthophosphate, reactive as P 0180 River water 35 Oct 2023 – Jul 2026 0.25 mg/l 10 Jul 2026
Conductivity at 25 C 0077 River water 35 Oct 2023 – Jul 2026 732 µS/cm 10 Jul 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 Jun 2024 – Jun 2024 below 0.001 µg/l 17 Jun 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Jun 2024 – Jun 2024 below 0.001 µg/l 17 Jun 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 Jun 2024 – Jun 2024 below 0.001 µg/l 17 Jun 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 Jun 2024 – Jun 2024 below 0.002 µg/l 17 Jun 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 Jun 2024 – Jun 2024 below 0.001 µg/l 17 Jun 2024
3-Perfluoroheptylpropanoic acid 2925 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
3:3 Fluorotelomer carboxylic acid 2926 River water 1 Jun 2024 – Jun 2024 below 0.004 µg/l 17 Jun 2024
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 Jun 2024 – Jun 2024 below 0.005 µg/l 17 Jun 2024
4:2 Fluorotelomer sulfonic acid 2987 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
6:2 Fluorotelomer sulfonic acid 2984 River water 1 Jun 2024 – Jun 2024 below 0.001 µg/l 17 Jun 2024
8:2 Fluorotelomer sulfonic acid 2983 River water 1 Jun 2024 – Jun 2024 below 0.001 µg/l 17 Jun 2024
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
Alkalinity to pH 4.5 as CaCO3 0162 River water 35 Oct 2023 – Jul 2026 230 mg/l 10 Jul 2026
Ammonia un-ionised as N 0119 River water 35 Oct 2023 – Jul 2026 0.00462 mg/l 10 Jul 2026
BOD : 5 Day ATU 0085 River water 30 Oct 2023 – Mar 2026 1.4 mg/l 20 Mar 2026
Cadmium, Dissolved 0106 River water 2 Nov 2023 – Nov 2024 below 0.01 µg/l 14 Nov 2024
Calcium, Dissolved 0239 River water 2 Nov 2023 – Nov 2024 120 mg/l 14 Nov 2024
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 2 Nov 2023 – Nov 2024 2.9 mg/l 14 Nov 2024
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 Jun 2024 – Jun 2024 below 0.001 µg/l 17 Jun 2024
Magnesium, Dissolved 0235 River water 2 Nov 2023 – Nov 2024 4.9 mg/l 14 Nov 2024
N-Ethylperfluorooctanesulfonamide 2977 River water 1 Jun 2024 – Jun 2024 below 0.002 µg/l 17 Jun 2024
N-methylperfluorooctanesulfonamide 2975 River water 1 Jun 2024 – Jun 2024 below 0.002 µg/l 17 Jun 2024
Nitrite as N 0118 River water 35 Oct 2023 – Jul 2026 0.023 mg/l 10 Jul 2026
Nitrogen, Total Oxidised as N 0116 River water 35 Oct 2023 – Jul 2026 6.4 mg/l 10 Jul 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
Perfluoro-3-methoxypropanoic acid 2921 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
Perfluorobutanesulfonic acid 2972 River water 1 Jun 2024 – Jun 2024 0.0025 µg/l 17 Jun 2024
Perfluorobutanoic acid 2995 River water 1 Jun 2024 – Jun 2024 0.0028 µg/l 17 Jun 2024
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 Jun 2024 – Jun 2024 0.00055 µg/l 17 Jun 2024
Perfluorodecanesulfonic acid 2969 River water 1 Jun 2024 – Jun 2024 below 0.002 µg/l 17 Jun 2024
Perfluorodecanoic acid 8892 River water 1 Jun 2024 – Jun 2024 below 0.002 µg/l 17 Jun 2024
Perfluorododecane sulfonic acid 2968 River water 1 Jun 2024 – Jun 2024 below 0.005 µg/l 17 Jun 2024
Perfluorododecanoic acid 8894 River water 1 Jun 2024 – Jun 2024 below 0.002 µg/l 17 Jun 2024
Perfluoroheptanesulfonic acid 2967 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
Perfluoroheptanoic acid 8889 River water 1 Jun 2024 – Jun 2024 0.0012 µg/l 17 Jun 2024
Perfluorohexanesulfonamide 2965 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
Perfluorohexanesulfonic acid (B) 2944 River water 1 Jun 2024 – Jun 2024 0.00057 µg/l 17 Jun 2024
Perfluorohexanesulfonic acid (L) 2964 River water 1 Jun 2024 – Jun 2024 0.0032 µg/l 17 Jun 2024
Perfluorohexanoic acid 8888 River water 1 Jun 2024 – Jun 2024 0.0032 µg/l 17 Jun 2024
Perfluorononanesulfonic acid 2963 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
Perfluorononanoic acid 8891 River water 1 Jun 2024 – Jun 2024 below 0.001 µg/l 17 Jun 2024
Perfluorooctadecanoic acid 2962 River water 1 Jun 2024 – Jun 2024 below 0.002 µg/l 17 Jun 2024
Perfluorooctanesulfonamide 2961 River water 1 Jun 2024 – Jun 2024 below 0.001 µg/l 17 Jun 2024
Perfluorooctanesulfonic acid (branched) 2960 River water 1 Jun 2024 – Jun 2024 0.0017 µg/l 17 Jun 2024
Perfluorooctanesulfonic acid (linear) 2959 River water 1 Jun 2024 – Jun 2024 0.0029 µg/l 17 Jun 2024
Perfluorooctanoic acid 8890 River water 1 Jun 2024 – Jun 2024 0.0017 µg/l 17 Jun 2024
Perfluoropentanesulfonic acid 2957 River water 1 Jun 2024 – Jun 2024 below 0.0005 µg/l 17 Jun 2024
Perfluoropentanoic acid 8887 River water 1 Jun 2024 – Jun 2024 0.004 µg/l 17 Jun 2024
Perfluorotetradecanoic acid 8895 River water 1 Jun 2024 – Jun 2024 below 0.006 µg/l 17 Jun 2024
Perfluorotridecanoic acid 2955 River water 1 Jun 2024 – Jun 2024 below 0.005 µg/l 17 Jun 2024
Perfluoroundecane sulfonic acid 2953 River water 1 Jun 2024 – Jun 2024 below 0.004 µg/l 17 Jun 2024
Perfluoroundecanoic acid 8893 River water 1 Jun 2024 – Jun 2024 below 0.002 µg/l 17 Jun 2024
Phosphorus, Total as P 0348 River water 26 Jun 2024 – Jul 2026 0.31 mg/l 10 Jul 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.