River Colne Lexden Bridge

EA name: R.COLNE LEXDEN BRIDGE
Environment Agency sampling point AN-CL0185 · 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
15 Sep 2026, 11:1816 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
35 since 5 Oct 2023 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 597267, 225663As published, to the nearest 1 m. Open in a map
River, by its own name
Colne
River, by the map
River ColnePlaced on the river its name gives, 74 m from the line.
Next gauge downstream
None tracedIts water reaches the sea without passing a gauge.
Nearest gauge upstream
Lexden On the River Colne · 1.5 km along the river
Why it was sampled
Monitoring (national agency policy) (35 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

65.1%

Sampled 15 Sep 2026, 16 days ago · 35 results banked

6080100120%2024202520265 Oct 2023, 11:35: 78.2%6 Nov 2023, 09:44: 78%14 Nov 2023, 10:53: 89.2%7 Dec 2023, 09:57: 90.2%2 Jan 2024, 13:47: 91.8%2 Feb 2024, 10:11: 94.7%6 Mar 2024, 11:17: 97.6%28 Jun 2024, 16:57: 99%16 Jul 2024, 09:57: 79%27 Aug 2024, 09:14: 84.1%20 Sep 2024, 07:57: 81.6%14 Oct 2024, 10:46: 86.6%28 Nov 2024, 08:58: 89.5%13 Dec 2024, 10:32: 92%21 Jan 2025, 08:48: 94.4%10 Feb 2025, 11:35: 96.3%28 Mar 2025, 13:43: 103.3%11 Apr 2025, 07:47: 87.4%16 May 2025, 10:48: 88.1%6 Jun 2025, 10:19: 80.2%3 Jul 2025, 10:52: 83.5%8 Aug 2025, 10:36: 82.7%4 Sep 2025, 13:09: 81.5%3 Oct 2025, 11:24: 77.5%4 Nov 2025, 08:26: 76.7%5 Dec 2025, 09:59: 83.9%5 Jan 2026, 09:03: 89.6%6 Feb 2026, 13:40: 92.9%6 Mar 2026, 08:55: 91.3%15 Apr 2026, 14:28: 111.3%5 May 2026, 13:27: 100.9%8 Jun 2026, 12:44: 82.9%3 Jul 2026, 10:09: 79.4%10 Aug 2026, 09:28: 74.1%15 Sep 2026, 11:18: 65.1%
Every result (35)
SampledResult as publishedReads as
15 Sep 2026, 11:1865.1 65.1%
10 Aug 2026, 09:2874.1 74.1%
3 Jul 2026, 10:0979.4 79.4%
8 Jun 2026, 12:4482.9 82.9%
5 May 2026, 13:27100.9 100.9%
15 Apr 2026, 14:28111.3 111.3%
6 Mar 2026, 08:5591.3 91.3%
6 Feb 2026, 13:4092.9 92.9%
5 Jan 2026, 09:0389.6 89.6%
5 Dec 2025, 09:5983.9 83.9%
4 Nov 2025, 08:2676.7 76.7%
3 Oct 2025, 11:2477.5 77.5%
4 Sep 2025, 13:0981.5 81.5%
8 Aug 2025, 10:3682.7 82.7%
3 Jul 2025, 10:5283.5 83.5%
6 Jun 2025, 10:1980.2 80.2%
16 May 2025, 10:4888.1 88.1%
11 Apr 2025, 07:4787.4 87.4%
28 Mar 2025, 13:43103.3 103.3%
10 Feb 2025, 11:3596.3 96.3%
21 Jan 2025, 08:4894.4 94.4%
13 Dec 2024, 10:3292 92%
28 Nov 2024, 08:5889.5 89.5%
14 Oct 2024, 10:4686.6 86.6%
20 Sep 2024, 07:5781.6 81.6%
27 Aug 2024, 09:1484.1 84.1%
16 Jul 2024, 09:5779 79%
28 Jun 2024, 16:5799 99%
6 Mar 2024, 11:1797.6 97.6%
2 Feb 2024, 10:1194.7 94.7%
2 Jan 2024, 13:4791.8 91.8%
7 Dec 2023, 09:5790.2 90.2%
14 Nov 2023, 10:5389.2 89.2%
6 Nov 2023, 09:4478 78%
5 Oct 2023, 11:3578.2 78.2%

Dissolved oxygen

as O2 · code 9924 · mg/l

6.24 mg/l

Sampled 15 Sep 2026, 16 days ago · 35 results banked

68101214mg/l2024202520265 Oct 2023, 11:35: 7.9 mg/l6 Nov 2023, 09:44: 9.16 mg/l14 Nov 2023, 10:53: 10 mg/l7 Dec 2023, 09:57: 11.5 mg/l2 Jan 2024, 13:47: 10.4 mg/l2 Feb 2024, 10:11: 11.5 mg/l6 Mar 2024, 11:17: 11.5 mg/l28 Jun 2024, 16:57: 9.35 mg/l16 Jul 2024, 09:57: 7.76 mg/l27 Aug 2024, 09:14: 8.24 mg/l20 Sep 2024, 07:57: 8.12 mg/l14 Oct 2024, 10:46: 9.71 mg/l28 Nov 2024, 08:58: 11.2 mg/l13 Dec 2024, 10:32: 11.1 mg/l21 Jan 2025, 08:48: 12.1 mg/l10 Feb 2025, 11:35: 12.3 mg/l28 Mar 2025, 13:43: 11.3 mg/l11 Apr 2025, 07:47: 10.1 mg/l16 May 2025, 10:48: 9.24 mg/l6 Jun 2025, 10:19: 8.17 mg/l3 Jul 2025, 10:52: 7.9 mg/l8 Aug 2025, 10:36: 7.94 mg/l4 Sep 2025, 13:09: 7.96 mg/l3 Oct 2025, 11:24: 8.18 mg/l4 Nov 2025, 08:26: 8.36 mg/l5 Dec 2025, 09:59: 10.6 mg/l5 Jan 2026, 09:03: 13 mg/l6 Feb 2026, 13:40: 11.1 mg/l6 Mar 2026, 08:55: 10.8 mg/l15 Apr 2026, 14:28: 11.9 mg/l5 May 2026, 13:27: 10.2 mg/l8 Jun 2026, 12:44: 8.2 mg/l3 Jul 2026, 10:09: 7.61 mg/l10 Aug 2026, 09:28: 7.23 mg/l15 Sep 2026, 11:18: 6.24 mg/l
Every result (35)
SampledResult as publishedReads as
15 Sep 2026, 11:186.24 6.24 mg/l
10 Aug 2026, 09:287.23 7.23 mg/l
3 Jul 2026, 10:097.61 7.61 mg/l
8 Jun 2026, 12:448.2 8.2 mg/l
5 May 2026, 13:2710.2 10.2 mg/l
15 Apr 2026, 14:2811.9 11.9 mg/l
6 Mar 2026, 08:5510.8 10.8 mg/l
6 Feb 2026, 13:4011.1 11.1 mg/l
5 Jan 2026, 09:0313 13 mg/l
5 Dec 2025, 09:5910.6 10.6 mg/l
4 Nov 2025, 08:268.36 8.36 mg/l
3 Oct 2025, 11:248.18 8.18 mg/l
4 Sep 2025, 13:097.96 7.96 mg/l
8 Aug 2025, 10:367.94 7.94 mg/l
3 Jul 2025, 10:527.9 7.9 mg/l
6 Jun 2025, 10:198.17 8.17 mg/l
16 May 2025, 10:489.24 9.24 mg/l
11 Apr 2025, 07:4710.1 10.1 mg/l
28 Mar 2025, 13:4311.3 11.3 mg/l
10 Feb 2025, 11:3512.3 12.3 mg/l
21 Jan 2025, 08:4812.1 12.1 mg/l
13 Dec 2024, 10:3211.1 11.1 mg/l
28 Nov 2024, 08:5811.2 11.2 mg/l
14 Oct 2024, 10:469.71 9.71 mg/l
20 Sep 2024, 07:578.12 8.12 mg/l
27 Aug 2024, 09:148.24 8.24 mg/l
16 Jul 2024, 09:577.76 7.76 mg/l
28 Jun 2024, 16:579.35 9.35 mg/l
6 Mar 2024, 11:1711.5 11.5 mg/l
2 Feb 2024, 10:1111.5 11.5 mg/l
2 Jan 2024, 13:4710.4 10.4 mg/l
7 Dec 2023, 09:5711.5 11.5 mg/l
14 Nov 2023, 10:5310 10 mg/l
6 Nov 2023, 09:449.16 9.16 mg/l
5 Oct 2023, 11:357.9 7.9 mg/l

Water temperature

code 0076 · °C

17.3 °C

Sampled 15 Sep 2026, 16 days ago · 35 results banked

05101520°C2024202520265 Oct 2023, 11:35: 14.8 °C6 Nov 2023, 09:44: 8.3 °C14 Nov 2023, 10:53: 10 °C7 Dec 2023, 09:57: 4.9 °C2 Jan 2024, 13:47: 9.9 °C2 Feb 2024, 10:11: 7.1 °C6 Mar 2024, 11:17: 8.3 °C28 Jun 2024, 16:57: 18 °C16 Jul 2024, 09:57: 16.1 °C27 Aug 2024, 09:14: 16.2 °C20 Sep 2024, 07:57: 15.5 °C14 Oct 2024, 10:46: 10.2 °C28 Nov 2024, 08:58: 5.8 °C13 Dec 2024, 10:32: 7.1 °C21 Jan 2025, 08:48: 4.8 °C10 Feb 2025, 11:35: 5 °C28 Mar 2025, 13:43: 11.3 °C11 Apr 2025, 07:47: 9.1 °C16 May 2025, 10:48: 13.1 °C6 Jun 2025, 10:19: 14.4 °C3 Jul 2025, 10:52: 17.9 °C8 Aug 2025, 10:36: 17.2 °C4 Sep 2025, 13:09: 16.4 °C3 Oct 2025, 11:24: 12.8 °C4 Nov 2025, 08:26: 11.4 °C5 Dec 2025, 09:59: 5.5 °C5 Jan 2026, 09:03: 0.2 °C6 Feb 2026, 13:40: 7.4 °C6 Mar 2026, 08:55: 7.8 °C15 Apr 2026, 14:28: 12.3 °C5 May 2026, 13:27: 14.8 °C8 Jun 2026, 12:44: 15.8 °C3 Jul 2026, 10:09: 17.3 °C10 Aug 2026, 09:28: 16.4 °C15 Sep 2026, 11:18: 17.3 °C
Every result (35)
SampledResult as publishedReads as
15 Sep 2026, 11:1817.3 17.3 °C
10 Aug 2026, 09:2816.4 16.4 °C
3 Jul 2026, 10:0917.3 17.3 °C
8 Jun 2026, 12:4415.8 15.8 °C
5 May 2026, 13:2714.8 14.8 °C
15 Apr 2026, 14:2812.3 12.3 °C
6 Mar 2026, 08:557.8 7.8 °C
6 Feb 2026, 13:407.4 7.4 °C
5 Jan 2026, 09:030.2 0.2 °C
5 Dec 2025, 09:595.5 5.5 °C
4 Nov 2025, 08:2611.4 11.4 °C
3 Oct 2025, 11:2412.8 12.8 °C
4 Sep 2025, 13:0916.4 16.4 °C
8 Aug 2025, 10:3617.2 17.2 °C
3 Jul 2025, 10:5217.9 17.9 °C
6 Jun 2025, 10:1914.4 14.4 °C
16 May 2025, 10:4813.1 13.1 °C
11 Apr 2025, 07:479.1 9.1 °C
28 Mar 2025, 13:4311.3 11.3 °C
10 Feb 2025, 11:355 5 °C
21 Jan 2025, 08:484.8 4.8 °C
13 Dec 2024, 10:327.1 7.1 °C
28 Nov 2024, 08:585.8 5.8 °C
14 Oct 2024, 10:4610.2 10.2 °C
20 Sep 2024, 07:5715.5 15.5 °C
27 Aug 2024, 09:1416.2 16.2 °C
16 Jul 2024, 09:5716.1 16.1 °C
28 Jun 2024, 16:5718 18 °C
6 Mar 2024, 11:178.3 8.3 °C
2 Feb 2024, 10:117.1 7.1 °C
2 Jan 2024, 13:479.9 9.9 °C
7 Dec 2023, 09:574.9 4.9 °C
14 Nov 2023, 10:5310 10 °C
6 Nov 2023, 09:448.3 8.3 °C
5 Oct 2023, 11:3514.8 14.8 °C

pH

code 0061

7.41

Sampled 15 Sep 2026, 16 days ago · 35 results banked

6.577.588.52024202520265 Oct 2023, 11:35: 7.66 Nov 2023, 09:44: 7.7914 Nov 2023, 10:53: 7.867 Dec 2023, 09:57: 7.952 Jan 2024, 13:47: 7.952 Feb 2024, 10:11: 8.016 Mar 2024, 11:17: 8.1328 Jun 2024, 16:57: 7.6816 Jul 2024, 09:57: 7.8927 Aug 2024, 09:14: 7.5520 Sep 2024, 07:57: 7.8214 Oct 2024, 10:46: 7.7428 Nov 2024, 08:58: 7.8513 Dec 2024, 10:32: 7.9421 Jan 2025, 08:48: 8.0910 Feb 2025, 11:35: 8.0228 Mar 2025, 13:43: 8.0911 Apr 2025, 07:47: 8.0316 May 2025, 10:48: 7.796 Jun 2025, 10:19: 7.713 Jul 2025, 10:52: 7.748 Aug 2025, 10:36: 7.644 Sep 2025, 13:09: 6.953 Oct 2025, 11:24: 7.734 Nov 2025, 08:26: 7.525 Dec 2025, 09:59: 7.755 Jan 2026, 09:03: 86 Feb 2026, 13:40: 8.016 Mar 2026, 08:55: 7.8415 Apr 2026, 14:28: 8.55 May 2026, 13:27: 7.828 Jun 2026, 12:44: 7.623 Jul 2026, 10:09: 7.4510 Aug 2026, 09:28: 7.2715 Sep 2026, 11:18: 7.41
Every result (35)
SampledResult as publishedReads as
15 Sep 2026, 11:187.41 7.41
10 Aug 2026, 09:287.27 7.27
3 Jul 2026, 10:097.45 7.45
8 Jun 2026, 12:447.62 7.62
5 May 2026, 13:277.82 7.82
15 Apr 2026, 14:288.5 8.5
6 Mar 2026, 08:557.84 7.84
6 Feb 2026, 13:408.01 8.01
5 Jan 2026, 09:038 8
5 Dec 2025, 09:597.75 7.75
4 Nov 2025, 08:267.52 7.52
3 Oct 2025, 11:247.73 7.73
4 Sep 2025, 13:096.95 6.95
8 Aug 2025, 10:367.64 7.64
3 Jul 2025, 10:527.74 7.74
6 Jun 2025, 10:197.71 7.71
16 May 2025, 10:487.79 7.79
11 Apr 2025, 07:478.03 8.03
28 Mar 2025, 13:438.09 8.09
10 Feb 2025, 11:358.02 8.02
21 Jan 2025, 08:488.09 8.09
13 Dec 2024, 10:327.94 7.94
28 Nov 2024, 08:587.85 7.85
14 Oct 2024, 10:467.74 7.74
20 Sep 2024, 07:577.82 7.82
27 Aug 2024, 09:147.55 7.55
16 Jul 2024, 09:577.89 7.89
28 Jun 2024, 16:577.68 7.68
6 Mar 2024, 11:178.13 8.13
2 Feb 2024, 10:118.01 8.01
2 Jan 2024, 13:477.95 7.95
7 Dec 2023, 09:577.95 7.95
14 Nov 2023, 10:537.86 7.86
6 Nov 2023, 09:447.79 7.79
5 Oct 2023, 11:357.6 7.6

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.033 mg/l

Sampled 15 Sep 2026, 16 days ago · 35 results banked

00.20.40.6mg/l2024202520265 Oct 2023, 11:35: 0.035 mg/l6 Nov 2023, 09:44: 0.045 mg/l14 Nov 2023, 10:53: 0.091 mg/l7 Dec 2023, 09:57: 0.087 mg/l2 Jan 2024, 13:47: 0.14 mg/l2 Feb 2024, 10:11: 0.23 mg/l6 Mar 2024, 11:17: 0.084 mg/l28 Jun 2024, 16:57: 0.032 mg/l16 Jul 2024, 09:57: 0.29 mg/l27 Aug 2024, 09:14: 0.14 mg/l20 Sep 2024, 07:57: 0.044 mg/l14 Oct 2024, 10:46: 0.1 mg/l28 Nov 2024, 08:58: 0.07 mg/l13 Dec 2024, 10:32: 0.15 mg/l21 Jan 2025, 08:48: 0.25 mg/l10 Feb 2025, 11:35: 0.14 mg/l28 Mar 2025, 13:43: 0.13 mg/l11 Apr 2025, 07:47: 0.088 mg/l16 May 2025, 10:48: 0.18 mg/l6 Jun 2025, 10:19: 0.14 mg/l3 Jul 2025, 10:52: 0.042 mg/l8 Aug 2025, 10:36: 0.034 mg/l4 Sep 2025, 13:09: 0.068 mg/l3 Oct 2025, 11:24: 0.049 mg/l4 Nov 2025, 08:26: 0.064 mg/l5 Dec 2025, 09:59: 0.086 mg/l5 Jan 2026, 09:03: 0.48 mg/l6 Feb 2026, 13:40: 0.11 mg/l6 Mar 2026, 08:55: 0.12 mg/l15 Apr 2026, 14:28: 0.034 mg/l5 May 2026, 13:27: 0.083 mg/l8 Jun 2026, 12:44: 0.052 mg/l3 Jul 2026, 10:09: 0.048 mg/l10 Aug 2026, 09:28: below 0.03 mg/l (not detected above this)15 Sep 2026, 11:18: 0.033 mg/l
Every result (35)
SampledResult as publishedReads as
15 Sep 2026, 11:180.033 0.033 mg/l
10 Aug 2026, 09:28<0.03 below 0.03 mg/l (not detected above this)
3 Jul 2026, 10:090.048 0.048 mg/l
8 Jun 2026, 12:440.052 0.052 mg/l
5 May 2026, 13:270.083 0.083 mg/l
15 Apr 2026, 14:280.034 0.034 mg/l
6 Mar 2026, 08:550.12 0.12 mg/l
6 Feb 2026, 13:400.11 0.11 mg/l
5 Jan 2026, 09:030.48 0.48 mg/l
5 Dec 2025, 09:590.086 0.086 mg/l
4 Nov 2025, 08:260.064 0.064 mg/l
3 Oct 2025, 11:240.049 0.049 mg/l
4 Sep 2025, 13:090.068 0.068 mg/l
8 Aug 2025, 10:360.034 0.034 mg/l
3 Jul 2025, 10:520.042 0.042 mg/l
6 Jun 2025, 10:190.14 0.14 mg/l
16 May 2025, 10:480.18 0.18 mg/l
11 Apr 2025, 07:470.088 0.088 mg/l
28 Mar 2025, 13:430.13 0.13 mg/l
10 Feb 2025, 11:350.14 0.14 mg/l
21 Jan 2025, 08:480.25 0.25 mg/l
13 Dec 2024, 10:320.15 0.15 mg/l
28 Nov 2024, 08:580.07 0.07 mg/l
14 Oct 2024, 10:460.1 0.1 mg/l
20 Sep 2024, 07:570.044 0.044 mg/l
27 Aug 2024, 09:140.14 0.14 mg/l
16 Jul 2024, 09:570.29 0.29 mg/l
28 Jun 2024, 16:570.032 0.032 mg/l
6 Mar 2024, 11:170.084 0.084 mg/l
2 Feb 2024, 10:110.23 0.23 mg/l
2 Jan 2024, 13:470.14 0.14 mg/l
7 Dec 2023, 09:570.087 0.087 mg/l
14 Nov 2023, 10:530.091 0.091 mg/l
6 Nov 2023, 09:440.045 0.045 mg/l
5 Oct 2023, 11:350.035 0.035 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

6.35 mg/l

Sampled 15 Sep 2026, 16 days ago · 35 results banked

4681012mg/l2024202520265 Oct 2023, 11:35: 5.55 mg/l6 Nov 2023, 09:44: 9.95 mg/l14 Nov 2023, 10:53: 7.93 mg/l7 Dec 2023, 09:57: 10.9 mg/l2 Jan 2024, 13:47: 6.54 mg/l2 Feb 2024, 10:11: 8.29 mg/l6 Mar 2024, 11:17: 6.64 mg/l28 Jun 2024, 16:57: 6.85 mg/l16 Jul 2024, 09:57: 5.41 mg/l27 Aug 2024, 09:14: 8.79 mg/l20 Sep 2024, 07:57: 8.32 mg/l14 Oct 2024, 10:46: 8.71 mg/l28 Nov 2024, 08:58: 7.16 mg/l13 Dec 2024, 10:32: 10.9 mg/l21 Jan 2025, 08:48: 8.61 mg/l10 Feb 2025, 11:35: 9.04 mg/l28 Mar 2025, 13:43: 7.93 mg/l11 Apr 2025, 07:47: 8.25 mg/l16 May 2025, 10:48: 8.56 mg/l6 Jun 2025, 10:19: 6.79 mg/l3 Jul 2025, 10:52: 7.24 mg/l8 Aug 2025, 10:36: 8.47 mg/l4 Sep 2025, 13:09: 5.84 mg/l3 Oct 2025, 11:24: 9.89 mg/l4 Nov 2025, 08:26: 8.86 mg/l5 Dec 2025, 09:59: 9.4 mg/l5 Jan 2026, 09:03: 10.9 mg/l6 Feb 2026, 13:40: 9.77 mg/l6 Mar 2026, 08:55: 8.72 mg/l15 Apr 2026, 14:28: 7.65 mg/l5 May 2026, 13:27: 6.82 mg/l8 Jun 2026, 12:44: 6.43 mg/l3 Jul 2026, 10:09: 6.15 mg/l10 Aug 2026, 09:28: 8.88 mg/l15 Sep 2026, 11:18: 6.35 mg/l
Every result (35)
SampledResult as publishedReads as
15 Sep 2026, 11:186.35 6.35 mg/l
10 Aug 2026, 09:288.88 8.88 mg/l
3 Jul 2026, 10:096.15 6.15 mg/l
8 Jun 2026, 12:446.43 6.43 mg/l
5 May 2026, 13:276.82 6.82 mg/l
15 Apr 2026, 14:287.65 7.65 mg/l
6 Mar 2026, 08:558.72 8.72 mg/l
6 Feb 2026, 13:409.77 9.77 mg/l
5 Jan 2026, 09:0310.9 10.9 mg/l
5 Dec 2025, 09:599.4 9.4 mg/l
4 Nov 2025, 08:268.86 8.86 mg/l
3 Oct 2025, 11:249.89 9.89 mg/l
4 Sep 2025, 13:095.84 5.84 mg/l
8 Aug 2025, 10:368.47 8.47 mg/l
3 Jul 2025, 10:527.24 7.24 mg/l
6 Jun 2025, 10:196.79 6.79 mg/l
16 May 2025, 10:488.56 8.56 mg/l
11 Apr 2025, 07:478.25 8.25 mg/l
28 Mar 2025, 13:437.93 7.93 mg/l
10 Feb 2025, 11:359.04 9.04 mg/l
21 Jan 2025, 08:488.61 8.61 mg/l
13 Dec 2024, 10:3210.9 10.9 mg/l
28 Nov 2024, 08:587.16 7.16 mg/l
14 Oct 2024, 10:468.71 8.71 mg/l
20 Sep 2024, 07:578.32 8.32 mg/l
27 Aug 2024, 09:148.79 8.79 mg/l
16 Jul 2024, 09:575.41 5.41 mg/l
28 Jun 2024, 16:576.85 6.85 mg/l
6 Mar 2024, 11:176.64 6.64 mg/l
2 Feb 2024, 10:118.29 8.29 mg/l
2 Jan 2024, 13:476.54 6.54 mg/l
7 Dec 2023, 09:5710.9 10.9 mg/l
14 Nov 2023, 10:537.93 7.93 mg/l
6 Nov 2023, 09:449.95 9.95 mg/l
5 Oct 2023, 11:355.55 5.55 mg/l

Phosphate

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

0.28 mg/l

Sampled 15 Sep 2026, 16 days ago · 35 results banked

00.20.40.60.8mg/l2024202520265 Oct 2023, 11:35: 0.76 mg/l6 Nov 2023, 09:44: 0.17 mg/l14 Nov 2023, 10:53: 0.18 mg/l7 Dec 2023, 09:57: 0.18 mg/l2 Jan 2024, 13:47: 0.16 mg/l2 Feb 2024, 10:11: 0.33 mg/l6 Mar 2024, 11:17: 0.16 mg/l28 Jun 2024, 16:57: 0.54 mg/l16 Jul 2024, 09:57: 0.48 mg/l27 Aug 2024, 09:14: 0.41 mg/l20 Sep 2024, 07:57: 0.49 mg/l14 Oct 2024, 10:46: 0.29 mg/l28 Nov 2024, 08:58: 0.23 mg/l13 Dec 2024, 10:32: 0.15 mg/l21 Jan 2025, 08:48: 0.13 mg/l10 Feb 2025, 11:35: 0.092 mg/l28 Mar 2025, 13:43: 0.062 mg/l11 Apr 2025, 07:47: 0.045 mg/l16 May 2025, 10:48: 0.16 mg/l6 Jun 2025, 10:19: 0.21 mg/l3 Jul 2025, 10:52: 0.25 mg/l8 Aug 2025, 10:36: 0.17 mg/l4 Sep 2025, 13:09: 0.19 mg/l3 Oct 2025, 11:24: 0.14 mg/l4 Nov 2025, 08:26: 0.13 mg/l5 Dec 2025, 09:59: 0.12 mg/l5 Jan 2026, 09:03: 0.12 mg/l6 Feb 2026, 13:40: 0.14 mg/l6 Mar 2026, 08:55: 0.11 mg/l15 Apr 2026, 14:28: 0.097 mg/l5 May 2026, 13:27: 0.12 mg/l8 Jun 2026, 12:44: 0.22 mg/l3 Jul 2026, 10:09: 0.22 mg/l10 Aug 2026, 09:28: 0.14 mg/l15 Sep 2026, 11:18: 0.28 mg/l
Every result (35)
SampledResult as publishedReads as
15 Sep 2026, 11:180.28 0.28 mg/l
10 Aug 2026, 09:280.14 0.14 mg/l
3 Jul 2026, 10:090.22 0.22 mg/l
8 Jun 2026, 12:440.22 0.22 mg/l
5 May 2026, 13:270.12 0.12 mg/l
15 Apr 2026, 14:280.097 0.097 mg/l
6 Mar 2026, 08:550.11 0.11 mg/l
6 Feb 2026, 13:400.14 0.14 mg/l
5 Jan 2026, 09:030.12 0.12 mg/l
5 Dec 2025, 09:590.12 0.12 mg/l
4 Nov 2025, 08:260.13 0.13 mg/l
3 Oct 2025, 11:240.14 0.14 mg/l
4 Sep 2025, 13:090.19 0.19 mg/l
8 Aug 2025, 10:360.17 0.17 mg/l
3 Jul 2025, 10:520.25 0.25 mg/l
6 Jun 2025, 10:190.21 0.21 mg/l
16 May 2025, 10:480.16 0.16 mg/l
11 Apr 2025, 07:470.045 0.045 mg/l
28 Mar 2025, 13:430.062 0.062 mg/l
10 Feb 2025, 11:350.092 0.092 mg/l
21 Jan 2025, 08:480.13 0.13 mg/l
13 Dec 2024, 10:320.15 0.15 mg/l
28 Nov 2024, 08:580.23 0.23 mg/l
14 Oct 2024, 10:460.29 0.29 mg/l
20 Sep 2024, 07:570.49 0.49 mg/l
27 Aug 2024, 09:140.41 0.41 mg/l
16 Jul 2024, 09:570.48 0.48 mg/l
28 Jun 2024, 16:570.54 0.54 mg/l
6 Mar 2024, 11:170.16 0.16 mg/l
2 Feb 2024, 10:110.33 0.33 mg/l
2 Jan 2024, 13:470.16 0.16 mg/l
7 Dec 2023, 09:570.18 0.18 mg/l
14 Nov 2023, 10:530.18 0.18 mg/l
6 Nov 2023, 09:440.17 0.17 mg/l
5 Oct 2023, 11:350.76 0.76 mg/l

Turbidity

code 6396 · NTU

3.8 NTU

Sampled 6 Mar 2026, 7 months ago · 25 results banked

050100150NTU2024202520265 Oct 2023, 11:35: 1.4 NTU6 Nov 2023, 09:44: 20 NTU14 Nov 2023, 10:53: 30 NTU7 Dec 2023, 09:57: 6.1 NTU2 Jan 2024, 13:47: 150 NTU2 Feb 2024, 10:11: 4 NTU6 Mar 2024, 11:17: 9.3 NTU28 Jun 2024, 16:57: 2 NTU16 Jul 2024, 09:57: 8 NTU27 Aug 2024, 09:14: 2 NTU20 Sep 2024, 07:57: 1.6 NTU14 Oct 2024, 10:46: 2.3 NTU28 Nov 2024, 08:58: 59 NTU13 Dec 2024, 10:32: 6.9 NTU21 Jan 2025, 08:48: 4.6 NTU10 Feb 2025, 11:35: 7.7 NTU28 Mar 2025, 13:43: 3.7 NTU11 Apr 2025, 07:47: 2.1 NTU8 Aug 2025, 10:36: 1.7 NTU3 Oct 2025, 11:24: 1.1 NTU4 Nov 2025, 08:26: 2 NTU5 Dec 2025, 09:59: 3.3 NTU5 Jan 2026, 09:03: 1.8 NTU6 Feb 2026, 13:40: 59 NTU6 Mar 2026, 08:55: 3.8 NTU
Every result (25)
SampledResult as publishedReads as
6 Mar 2026, 08:553.8 3.8 NTU
6 Feb 2026, 13:4059 59 NTU
5 Jan 2026, 09:031.8 1.8 NTU
5 Dec 2025, 09:593.3 3.3 NTU
4 Nov 2025, 08:262 2 NTU
3 Oct 2025, 11:241.1 1.1 NTU
8 Aug 2025, 10:361.7 1.7 NTU
11 Apr 2025, 07:472.1 2.1 NTU
28 Mar 2025, 13:433.7 3.7 NTU
10 Feb 2025, 11:357.7 7.7 NTU
21 Jan 2025, 08:484.6 4.6 NTU
13 Dec 2024, 10:326.9 6.9 NTU
28 Nov 2024, 08:5859 59 NTU
14 Oct 2024, 10:462.3 2.3 NTU
20 Sep 2024, 07:571.6 1.6 NTU
27 Aug 2024, 09:142 2 NTU
16 Jul 2024, 09:578 8 NTU
28 Jun 2024, 16:572 2 NTU
6 Mar 2024, 11:179.3 9.3 NTU
2 Feb 2024, 10:114 4 NTU
2 Jan 2024, 13:47150 150 NTU
7 Dec 2023, 09:576.1 6.1 NTU
14 Nov 2023, 10:5330 30 NTU
6 Nov 2023, 09:4420 20 NTU
5 Oct 2023, 11:351.4 1.4 NTU

Conductivity

at 25 °C · code 0077 · µS/cm

869 µS/cm

Sampled 15 Sep 2026, 16 days ago · 35 results banked

40060080010001200µS/cm2024202520265 Oct 2023, 11:35: 874 µS/cm6 Nov 2023, 09:44: 593 µS/cm14 Nov 2023, 10:53: 646 µS/cm7 Dec 2023, 09:57: 734 µS/cm2 Jan 2024, 13:47: 910 µS/cm2 Feb 2024, 10:11: 813 µS/cm6 Mar 2024, 11:17: 703 µS/cm28 Jun 2024, 16:57: 850 µS/cm16 Jul 2024, 09:57: 666 µS/cm27 Aug 2024, 09:14: 1020 µS/cm20 Sep 2024, 07:57: 998 µS/cm14 Oct 2024, 10:46: 774 µS/cm28 Nov 2024, 08:58: 639 µS/cm13 Dec 2024, 10:32: 746 µS/cm21 Jan 2025, 08:48: 905 µS/cm10 Feb 2025, 11:35: 816 µS/cm28 Mar 2025, 13:43: 821 µS/cm11 Apr 2025, 07:47: 831 µS/cm16 May 2025, 10:48: 907 µS/cm6 Jun 2025, 10:19: 856 µS/cm3 Jul 2025, 10:52: 906 µS/cm8 Aug 2025, 10:36: 964 µS/cm4 Sep 2025, 13:09: 638 µS/cm3 Oct 2025, 11:24: 912 µS/cm4 Nov 2025, 08:26: 851 µS/cm5 Dec 2025, 09:59: 874 µS/cm5 Jan 2026, 09:03: 885 µS/cm6 Feb 2026, 13:40: 589 µS/cm6 Mar 2026, 08:55: 756 µS/cm15 Apr 2026, 14:28: 864 µS/cm5 May 2026, 13:27: 839 µS/cm8 Jun 2026, 12:44: 772 µS/cm3 Jul 2026, 10:09: 888 µS/cm10 Aug 2026, 09:28: 934 µS/cm15 Sep 2026, 11:18: 869 µS/cm
Every result (35)
SampledResult as publishedReads as
15 Sep 2026, 11:18869 869 µS/cm
10 Aug 2026, 09:28934 934 µS/cm
3 Jul 2026, 10:09888 888 µS/cm
8 Jun 2026, 12:44772 772 µS/cm
5 May 2026, 13:27839 839 µS/cm
15 Apr 2026, 14:28864 864 µS/cm
6 Mar 2026, 08:55756 756 µS/cm
6 Feb 2026, 13:40589 589 µS/cm
5 Jan 2026, 09:03885 885 µS/cm
5 Dec 2025, 09:59874 874 µS/cm
4 Nov 2025, 08:26851 851 µS/cm
3 Oct 2025, 11:24912 912 µS/cm
4 Sep 2025, 13:09638 638 µS/cm
8 Aug 2025, 10:36964 964 µS/cm
3 Jul 2025, 10:52906 906 µS/cm
6 Jun 2025, 10:19856 856 µS/cm
16 May 2025, 10:48907 907 µS/cm
11 Apr 2025, 07:47831 831 µS/cm
28 Mar 2025, 13:43821 821 µS/cm
10 Feb 2025, 11:35816 816 µS/cm
21 Jan 2025, 08:48905 905 µS/cm
13 Dec 2024, 10:32746 746 µS/cm
28 Nov 2024, 08:58639 639 µS/cm
14 Oct 2024, 10:46774 774 µS/cm
20 Sep 2024, 07:57998 998 µS/cm
27 Aug 2024, 09:141020 1020 µS/cm
16 Jul 2024, 09:57666 666 µS/cm
28 Jun 2024, 16:57850 850 µS/cm
6 Mar 2024, 11:17703 703 µS/cm
2 Feb 2024, 10:11813 813 µS/cm
2 Jan 2024, 13:47910 910 µS/cm
7 Dec 2023, 09:57734 734 µS/cm
14 Nov 2023, 10:53646 646 µS/cm
6 Nov 2023, 09:44593 593 µS/cm
5 Oct 2023, 11:35874 874 µS/cm

Everything measured here

77 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 77 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 35 Oct 2023 – Sep 2026 65.1% 15 Sep 2026
Oxygen, Dissolved as O2 9924 River water 35 Oct 2023 – Sep 2026 6.24 mg/l 15 Sep 2026
Temperature of Water 0076 River water 35 Oct 2023 – Sep 2026 17.3 °C 15 Sep 2026
pH 0061 River water 35 Oct 2023 – Sep 2026 7.41 15 Sep 2026
Ammoniacal Nitrogen as N 0111 River water 35 Oct 2023 – Sep 2026 0.033 mg/l 15 Sep 2026
Nitrate as N 0117 River water 35 Oct 2023 – Sep 2026 6.35 mg/l 15 Sep 2026
Orthophosphate, reactive as P 0180 River water 35 Oct 2023 – Sep 2026 0.28 mg/l 15 Sep 2026
Turbidity 6396 River water 25 Oct 2023 – Mar 2026 3.8 NTU 6 Mar 2026
Conductivity at 25 C 0077 River water 35 Oct 2023 – Sep 2026 869 µS/cm 15 Sep 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 6 Mar 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
2H-Perfluoro-2-decenoic acid 2888 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
3-Perfluoroheptylpropanoic acid 2925 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 6 Mar 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
4:2 Fluorotelomer sulfonic acid 2987 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
5:1:2 Fluorotelomer betaine 2887 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
5:3 Fluorotelomer betaine 2886 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
6:2 Fluorotelomer phosphate diester 2986 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 6 Mar 2026
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Mar 2026 – Mar 2026 0.0012 µg/l 6 Mar 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 1 Mar 2026 – Mar 2026 0.0014 µg/l 6 Mar 2026
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Mar 2026 – Mar 2026 below 0.01 µg/l 6 Mar 2026
6:6 Perfluorophosphinic acid 2883 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 6 Mar 2026
6:8 Perfluorophosphinic acid 2882 River water 1 Mar 2026 – Mar 2026 below 0.01 µg/l 6 Mar 2026
8:2 Fluorotelomer phosphate diester 2880 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 6 Mar 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
8:8 Perfluorophosphinic acid 2879 River water 1 Mar 2026 – Mar 2026 below 0.01 µg/l 6 Mar 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 35 Oct 2023 – Sep 2026 190 mg/l 15 Sep 2026
Ammonia un-ionised as N 0119 River water 35 Oct 2023 – Sep 2026 0.00027 mg/l 15 Sep 2026
BOD : 5 Day ATU 0085 River water 22 Jun 2024 – May 2026 1.7 mg/l 5 May 2026
Chlorophyll : Acetone Extract 7887 River water 24 Oct 2023 – Mar 2026 3.9 µg/l 6 Mar 2026
Hexafluoropropylene oxide trimer acid 2980 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 6 Mar 2026
N-methylperfluorooctanesulfonamide 2975 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 6 Mar 2026
Nitrite as N 0118 River water 35 Oct 2023 – Sep 2026 0.051 mg/l 15 Sep 2026
Nitrogen, Total Oxidised as N 0116 River water 35 Oct 2023 – Sep 2026 6.4 mg/l 15 Sep 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
Perfluorobutanesulfonic acid 2972 River water 1 Mar 2026 – Mar 2026 0.0051 µg/l 6 Mar 2026
Perfluorobutanoic acid 2995 River water 1 Mar 2026 – Mar 2026 0.0032 µg/l 6 Mar 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 Mar 2026 – Mar 2026 0.00084 µg/l 6 Mar 2026
Perfluorodecanesulfonic acid 2969 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
Perfluorodecanoic acid 8892 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
Perfluorododecane sulfonic acid 2968 River water 1 Mar 2026 – Mar 2026 below 0.005 µg/l 6 Mar 2026
Perfluorododecanoic acid 8894 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 6 Mar 2026
Perfluoroheptanesulfonic acid 2967 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
Perfluoroheptanoic acid 8889 River water 1 Mar 2026 – Mar 2026 0.002 µg/l 6 Mar 2026
Perfluorohexane sulfonamido amine 2874 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
Perfluorohexanesulfonamide 2965 River water 1 Mar 2026 – Mar 2026 0.00071 µg/l 6 Mar 2026
Perfluorohexanesulfonic acid (B) 2944 River water 1 Mar 2026 – Mar 2026 0.0024 µg/l 6 Mar 2026
Perfluorohexanesulfonic acid (L) 2964 River water 1 Mar 2026 – Mar 2026 0.011 µg/l 6 Mar 2026
Perfluorohexanoic acid 8888 River water 1 Mar 2026 – Mar 2026 0.0054 µg/l 6 Mar 2026
Perfluorononanesulfonic acid 2963 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 6 Mar 2026
Perfluorononanoic acid 8891 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
Perfluorooctadecanoic acid 2962 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 6 Mar 2026
Perfluorooctanesulfonamide 2961 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 1 Mar 2026 – Mar 2026 0.0031 µg/l 6 Mar 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 1 Mar 2026 – Mar 2026 0.0038 µg/l 6 Mar 2026
Perfluorooctanesulfonic acid (total) 2958 River water 1 Mar 2026 – Mar 2026 0.0069 µg/l 6 Mar 2026
Perfluorooctanoic acid 8890 River water 1 Mar 2026 – Mar 2026 0.003 µg/l 6 Mar 2026
Perfluoropentanesulfonic acid 2957 River water 1 Mar 2026 – Mar 2026 0.00093 µg/l 6 Mar 2026
Perfluoropentanoic acid 8887 River water 1 Mar 2026 – Mar 2026 0.0057 µg/l 6 Mar 2026
Perfluorotetradecanoic acid 8895 River water 1 Mar 2026 – Mar 2026 below 0.006 µg/l 6 Mar 2026
Perfluorotridecanoic acid 2955 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 6 Mar 2026
Perfluoroundecane sulfonic acid 2953 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 6 Mar 2026
Perfluoroundecanoic acid 8893 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 6 Mar 2026
Solids, Suspended at 105 C 0135 River water 26 Oct 2023 – Mar 2026 8.3 mg/l 6 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.