River Nene Duston Mill

EA name: R.NENE DUSTON MILL
Environment Agency sampling point AN-NENE080D · 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, 11:2230 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
34 since 4 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 472923, 259596As published, to the nearest 1 m. Open in a map
River, by its own name
Nene
River, by the map
River NenePlaced on the river its name gives, 2 m from the line.
Next gauge downstream
South Bridge On the River Nene · 3.0 km along the riverBeside DUSTON MILL GS NORTHAMPTON: too close to say above or below.
Nearest gauge upstream
Duston Mill On the River Nene · 0.2 km along the river
Why it was sampled
Environmental monitoring statutory (EU directives) (28 samples)
Monitoring (national agency policy) (6 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

67.6%

Sampled 1 Sep 2026, 30 days ago · 34 results banked

60708090100110%2024202520264 Oct 2023, 10:03: 79.4%3 Nov 2023, 12:16: 85.3%4 Dec 2023, 09:40: 93.7%15 Jan 2024, 10:52: 95.6%1 Feb 2024, 09:31: 94.8%8 Mar 2024, 12:11: 98.3%28 Jun 2024, 10:19: 91.4%15 Jul 2024, 12:16: 94.7%19 Aug 2024, 09:38: 90.2%23 Sep 2024, 11:38: 81.1%15 Oct 2024, 12:16: 92.7%18 Nov 2024, 10:55: 85.2%2 Dec 2024, 09:27: 93.2%28 Jan 2025, 11:16: 99.4%13 Feb 2025, 10:41: 99.7%5 Mar 2025, 12:46: 98.8%11 Apr 2025, 12:25: 103.1%8 May 2025, 11:16: 100.2%2 Jun 2025, 13:33: 96%2 Jul 2025, 10:10: 78.9%6 Aug 2025, 10:10: 88.2%4 Sep 2025, 10:25: 80.2%7 Oct 2025, 12:03: 78%7 Nov 2025, 14:15: 78.4%8 Dec 2025, 14:46: 95.1%2 Jan 2026, 12:21: 95.4%13 Feb 2026, 11:53: 95.4%9 Mar 2026, 09:21: 95.2%7 Apr 2026, 10:48: 102.1%20 May 2026, 10:15: 92.2%2 Jun 2026, 09:55: 85.6%2 Jul 2026, 11:52: 98.5%3 Aug 2026, 09:51: 73.6%1 Sep 2026, 11:22: 67.6%
Every result (34)
SampledResult as publishedReads as
1 Sep 2026, 11:2267.6 67.6%
3 Aug 2026, 09:5173.6 73.6%
2 Jul 2026, 11:5298.5 98.5%
2 Jun 2026, 09:5585.6 85.6%
20 May 2026, 10:1592.2 92.2%
7 Apr 2026, 10:48102.1 102.1%
9 Mar 2026, 09:2195.2 95.2%
13 Feb 2026, 11:5395.4 95.4%
2 Jan 2026, 12:2195.4 95.4%
8 Dec 2025, 14:4695.1 95.1%
7 Nov 2025, 14:1578.4 78.4%
7 Oct 2025, 12:0378 78%
4 Sep 2025, 10:2580.2 80.2%
6 Aug 2025, 10:1088.2 88.2%
2 Jul 2025, 10:1078.9 78.9%
2 Jun 2025, 13:3396 96%
8 May 2025, 11:16100.2 100.2%
11 Apr 2025, 12:25103.1 103.1%
5 Mar 2025, 12:4698.8 98.8%
13 Feb 2025, 10:4199.7 99.7%
28 Jan 2025, 11:1699.4 99.4%
2 Dec 2024, 09:2793.2 93.2%
18 Nov 2024, 10:5585.2 85.2%
15 Oct 2024, 12:1692.7 92.7%
23 Sep 2024, 11:3881.1 81.1%
19 Aug 2024, 09:3890.2 90.2%
15 Jul 2024, 12:1694.7 94.7%
28 Jun 2024, 10:1991.4 91.4%
8 Mar 2024, 12:1198.3 98.3%
1 Feb 2024, 09:3194.8 94.8%
15 Jan 2024, 10:5295.6 95.6%
4 Dec 2023, 09:4093.7 93.7%
3 Nov 2023, 12:1685.3 85.3%
4 Oct 2023, 10:0379.4 79.4%

Dissolved oxygen

as O2 · code 9924 · mg/l

6.53 mg/l

Sampled 1 Sep 2026, 30 days ago · 34 results banked

68101214mg/l2024202520264 Oct 2023, 10:03: 8.13 mg/l3 Nov 2023, 12:16: 9.56 mg/l4 Dec 2023, 09:40: 11.7 mg/l15 Jan 2024, 10:52: 12.5 mg/l1 Feb 2024, 09:31: 11.9 mg/l8 Mar 2024, 12:11: 11.8 mg/l28 Jun 2024, 10:19: 8.51 mg/l15 Jul 2024, 12:16: 9.4 mg/l19 Aug 2024, 09:38: 8.77 mg/l23 Sep 2024, 11:38: 8 mg/l15 Oct 2024, 12:16: 10.2 mg/l18 Nov 2024, 10:55: 9.98 mg/l2 Dec 2024, 09:27: 10.7 mg/l28 Jan 2025, 11:16: 12.3 mg/l13 Feb 2025, 10:41: 12.6 mg/l5 Mar 2025, 12:46: 12.2 mg/l11 Apr 2025, 12:25: 11.1 mg/l8 May 2025, 11:16: 10.7 mg/l2 Jun 2025, 13:33: 9.16 mg/l2 Jul 2025, 10:10: 7 mg/l6 Aug 2025, 10:10: 8.57 mg/l4 Sep 2025, 10:25: 7.83 mg/l7 Oct 2025, 12:03: 8.27 mg/l7 Nov 2025, 14:15: 8.32 mg/l8 Dec 2025, 14:46: 10.9 mg/l2 Jan 2026, 12:21: 12.6 mg/l13 Feb 2026, 11:53: 11.5 mg/l9 Mar 2026, 09:21: 11.1 mg/l7 Apr 2026, 10:48: 11.5 mg/l20 May 2026, 10:15: 9.63 mg/l2 Jun 2026, 09:55: 8.22 mg/l2 Jul 2026, 11:52: 8.97 mg/l3 Aug 2026, 09:51: 6.92 mg/l1 Sep 2026, 11:22: 6.53 mg/l
Every result (34)
SampledResult as publishedReads as
1 Sep 2026, 11:226.53 6.53 mg/l
3 Aug 2026, 09:516.92 6.92 mg/l
2 Jul 2026, 11:528.97 8.97 mg/l
2 Jun 2026, 09:558.22 8.22 mg/l
20 May 2026, 10:159.63 9.63 mg/l
7 Apr 2026, 10:4811.5 11.5 mg/l
9 Mar 2026, 09:2111.1 11.1 mg/l
13 Feb 2026, 11:5311.5 11.5 mg/l
2 Jan 2026, 12:2112.6 12.6 mg/l
8 Dec 2025, 14:4610.9 10.9 mg/l
7 Nov 2025, 14:158.32 8.32 mg/l
7 Oct 2025, 12:038.27 8.27 mg/l
4 Sep 2025, 10:257.83 7.83 mg/l
6 Aug 2025, 10:108.57 8.57 mg/l
2 Jul 2025, 10:107 7 mg/l
2 Jun 2025, 13:339.16 9.16 mg/l
8 May 2025, 11:1610.7 10.7 mg/l
11 Apr 2025, 12:2511.1 11.1 mg/l
5 Mar 2025, 12:4612.2 12.2 mg/l
13 Feb 2025, 10:4112.6 12.6 mg/l
28 Jan 2025, 11:1612.3 12.3 mg/l
2 Dec 2024, 09:2710.7 10.7 mg/l
18 Nov 2024, 10:559.98 9.98 mg/l
15 Oct 2024, 12:1610.2 10.2 mg/l
23 Sep 2024, 11:388 8 mg/l
19 Aug 2024, 09:388.77 8.77 mg/l
15 Jul 2024, 12:169.4 9.4 mg/l
28 Jun 2024, 10:198.51 8.51 mg/l
8 Mar 2024, 12:1111.8 11.8 mg/l
1 Feb 2024, 09:3111.9 11.9 mg/l
15 Jan 2024, 10:5212.5 12.5 mg/l
4 Dec 2023, 09:4011.7 11.7 mg/l
3 Nov 2023, 12:169.56 9.56 mg/l
4 Oct 2023, 10:038.13 8.13 mg/l

Water temperature

code 0076 · °C

16.9 °C

Sampled 1 Sep 2026, 30 days ago · 34 results banked

0510152025°C2024202520264 Oct 2023, 10:03: 14.2 °C3 Nov 2023, 12:16: 10.2 °C4 Dec 2023, 09:40: 5.9 °C15 Jan 2024, 10:52: 3.9 °C1 Feb 2024, 09:31: 5.7 °C8 Mar 2024, 12:11: 7.3 °C28 Jun 2024, 10:19: 18.7 °C15 Jul 2024, 12:16: 15.6 °C19 Aug 2024, 09:38: 16.6 °C23 Sep 2024, 11:38: 15.9 °C15 Oct 2024, 12:16: 10.9 °C18 Nov 2024, 10:55: 8.4 °C2 Dec 2024, 09:27: 9.2 °C28 Jan 2025, 11:16: 6.1 °C13 Feb 2025, 10:41: 5.3 °C5 Mar 2025, 12:46: 6.4 °C11 Apr 2025, 12:25: 11.8 °C8 May 2025, 11:16: 12.3 °C2 Jun 2025, 13:33: 17.5 °C2 Jul 2025, 10:10: 21.1 °C6 Aug 2025, 10:10: 16.6 °C4 Sep 2025, 10:25: 16.4 °C7 Oct 2025, 12:03: 12.6 °C7 Nov 2025, 14:15: 12.6 °C8 Dec 2025, 14:46: 9.3 °C2 Jan 2026, 12:21: 3.7 °C13 Feb 2026, 11:53: 7.1 °C9 Mar 2026, 09:21: 8.5 °C7 Apr 2026, 10:48: 10 °C20 May 2026, 10:15: 13.3 °C2 Jun 2026, 09:55: 17.2 °C2 Jul 2026, 11:52: 19.8 °C3 Aug 2026, 09:51: 18.2 °C1 Sep 2026, 11:22: 16.9 °C
Every result (34)
SampledResult as publishedReads as
1 Sep 2026, 11:2216.9 16.9 °C
3 Aug 2026, 09:5118.2 18.2 °C
2 Jul 2026, 11:5219.8 19.8 °C
2 Jun 2026, 09:5517.2 17.2 °C
20 May 2026, 10:1513.3 13.3 °C
7 Apr 2026, 10:4810 10 °C
9 Mar 2026, 09:218.5 8.5 °C
13 Feb 2026, 11:537.1 7.1 °C
2 Jan 2026, 12:213.7 3.7 °C
8 Dec 2025, 14:469.3 9.3 °C
7 Nov 2025, 14:1512.6 12.6 °C
7 Oct 2025, 12:0312.6 12.6 °C
4 Sep 2025, 10:2516.4 16.4 °C
6 Aug 2025, 10:1016.6 16.6 °C
2 Jul 2025, 10:1021.1 21.1 °C
2 Jun 2025, 13:3317.5 17.5 °C
8 May 2025, 11:1612.3 12.3 °C
11 Apr 2025, 12:2511.8 11.8 °C
5 Mar 2025, 12:466.4 6.4 °C
13 Feb 2025, 10:415.3 5.3 °C
28 Jan 2025, 11:166.1 6.1 °C
2 Dec 2024, 09:279.2 9.2 °C
18 Nov 2024, 10:558.4 8.4 °C
15 Oct 2024, 12:1610.9 10.9 °C
23 Sep 2024, 11:3815.9 15.9 °C
19 Aug 2024, 09:3816.6 16.6 °C
15 Jul 2024, 12:1615.6 15.6 °C
28 Jun 2024, 10:1918.7 18.7 °C
8 Mar 2024, 12:117.3 7.3 °C
1 Feb 2024, 09:315.7 5.7 °C
15 Jan 2024, 10:523.9 3.9 °C
4 Dec 2023, 09:405.9 5.9 °C
3 Nov 2023, 12:1610.2 10.2 °C
4 Oct 2023, 10:0314.2 14.2 °C

pH

code 0061

7.76

Sampled 1 Sep 2026, 30 days ago · 34 results banked

7.57.7588.258.58.752024202520264 Oct 2023, 10:03: 7.93 Nov 2023, 12:16: 7.814 Dec 2023, 09:40: 7.9115 Jan 2024, 10:52: 8.211 Feb 2024, 09:31: 8.228 Mar 2024, 12:11: 8.1328 Jun 2024, 10:19: 8.2915 Jul 2024, 12:16: 8.0819 Aug 2024, 09:38: 7.9223 Sep 2024, 11:38: 7.5815 Oct 2024, 12:16: 7.9218 Nov 2024, 10:55: 7.772 Dec 2024, 09:27: 7.828 Jan 2025, 11:16: 8.0413 Feb 2025, 10:41: 8.275 Mar 2025, 12:46: 8.2111 Apr 2025, 12:25: 8.498 May 2025, 11:16: 8.282 Jun 2025, 13:33: 8.062 Jul 2025, 10:10: 7.876 Aug 2025, 10:10: 7.824 Sep 2025, 10:25: 7.857 Oct 2025, 12:03: 7.787 Nov 2025, 14:15: 7.98 Dec 2025, 14:46: 8.162 Jan 2026, 12:21: 8.1213 Feb 2026, 11:53: 8.059 Mar 2026, 09:21: 8.067 Apr 2026, 10:48: 8.5620 May 2026, 10:15: 8.12 Jun 2026, 09:55: 7.992 Jul 2026, 11:52: 8.083 Aug 2026, 09:51: 7.641 Sep 2026, 11:22: 7.76
Every result (34)
SampledResult as publishedReads as
1 Sep 2026, 11:227.76 7.76
3 Aug 2026, 09:517.64 7.64
2 Jul 2026, 11:528.08 8.08
2 Jun 2026, 09:557.99 7.99
20 May 2026, 10:158.1 8.1
7 Apr 2026, 10:488.56 8.56
9 Mar 2026, 09:218.06 8.06
13 Feb 2026, 11:538.05 8.05
2 Jan 2026, 12:218.12 8.12
8 Dec 2025, 14:468.16 8.16
7 Nov 2025, 14:157.9 7.9
7 Oct 2025, 12:037.78 7.78
4 Sep 2025, 10:257.85 7.85
6 Aug 2025, 10:107.82 7.82
2 Jul 2025, 10:107.87 7.87
2 Jun 2025, 13:338.06 8.06
8 May 2025, 11:168.28 8.28
11 Apr 2025, 12:258.49 8.49
5 Mar 2025, 12:468.21 8.21
13 Feb 2025, 10:418.27 8.27
28 Jan 2025, 11:168.04 8.04
2 Dec 2024, 09:277.8 7.8
18 Nov 2024, 10:557.77 7.77
15 Oct 2024, 12:167.92 7.92
23 Sep 2024, 11:387.58 7.58
19 Aug 2024, 09:387.92 7.92
15 Jul 2024, 12:168.08 8.08
28 Jun 2024, 10:198.29 8.29
8 Mar 2024, 12:118.13 8.13
1 Feb 2024, 09:318.22 8.22
15 Jan 2024, 10:528.21 8.21
4 Dec 2023, 09:407.91 7.91
3 Nov 2023, 12:167.81 7.81
4 Oct 2023, 10:037.9 7.9

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.039 mg/l

Sampled 1 Sep 2026, 30 days ago · 34 results banked

00.050.10.150.2mg/l2024202520264 Oct 2023, 10:03: 0.042 mg/l3 Nov 2023, 12:16: 0.081 mg/l4 Dec 2023, 09:40: 0.14 mg/l15 Jan 2024, 10:52: 0.11 mg/l1 Feb 2024, 09:31: 0.047 mg/l8 Mar 2024, 12:11: 0.055 mg/l28 Jun 2024, 10:19: 0.038 mg/l15 Jul 2024, 12:16: below 0.03 mg/l (not detected above this)19 Aug 2024, 09:38: 0.034 mg/l23 Sep 2024, 11:38: 0.17 mg/l15 Oct 2024, 12:16: below 0.03 mg/l (not detected above this)18 Nov 2024, 10:55: 0.032 mg/l2 Dec 2024, 09:27: 0.08 mg/l28 Jan 2025, 11:16: 0.11 mg/l13 Feb 2025, 10:41: 0.072 mg/l5 Mar 2025, 12:46: 0.049 mg/l11 Apr 2025, 12:25: below 0.03 mg/l (not detected above this)8 May 2025, 11:16: 0.041 mg/l2 Jun 2025, 13:33: below 0.03 mg/l (not detected above this)2 Jul 2025, 10:10: 0.044 mg/l6 Aug 2025, 10:10: below 0.03 mg/l (not detected above this)4 Sep 2025, 10:25: 0.038 mg/l7 Oct 2025, 12:03: below 0.03 mg/l (not detected above this)7 Nov 2025, 14:15: below 0.03 mg/l (not detected above this)8 Dec 2025, 14:46: below 0.03 mg/l (not detected above this)2 Jan 2026, 12:21: 0.13 mg/l13 Feb 2026, 11:53: 0.075 mg/l9 Mar 2026, 09:21: 0.058 mg/l7 Apr 2026, 10:48: below 0.03 mg/l (not detected above this)20 May 2026, 10:15: 0.064 mg/l2 Jun 2026, 09:55: 0.046 mg/l2 Jul 2026, 11:52: below 0.03 mg/l (not detected above this)3 Aug 2026, 09:51: below 0.03 mg/l (not detected above this)1 Sep 2026, 11:22: 0.039 mg/l
Every result (34)
SampledResult as publishedReads as
1 Sep 2026, 11:220.039 0.039 mg/l
3 Aug 2026, 09:51<0.03 below 0.03 mg/l (not detected above this)
2 Jul 2026, 11:52<0.03 below 0.03 mg/l (not detected above this)
2 Jun 2026, 09:550.046 0.046 mg/l
20 May 2026, 10:150.064 0.064 mg/l
7 Apr 2026, 10:48<0.03 below 0.03 mg/l (not detected above this)
9 Mar 2026, 09:210.058 0.058 mg/l
13 Feb 2026, 11:530.075 0.075 mg/l
2 Jan 2026, 12:210.13 0.13 mg/l
8 Dec 2025, 14:46<0.03 below 0.03 mg/l (not detected above this)
7 Nov 2025, 14:15<0.03 below 0.03 mg/l (not detected above this)
7 Oct 2025, 12:03<0.03 below 0.03 mg/l (not detected above this)
4 Sep 2025, 10:250.038 0.038 mg/l
6 Aug 2025, 10:10<0.03 below 0.03 mg/l (not detected above this)
2 Jul 2025, 10:100.044 0.044 mg/l
2 Jun 2025, 13:33<0.03 below 0.03 mg/l (not detected above this)
8 May 2025, 11:160.041 0.041 mg/l
11 Apr 2025, 12:25<0.03 below 0.03 mg/l (not detected above this)
5 Mar 2025, 12:460.049 0.049 mg/l
13 Feb 2025, 10:410.072 0.072 mg/l
28 Jan 2025, 11:160.11 0.11 mg/l
2 Dec 2024, 09:270.08 0.08 mg/l
18 Nov 2024, 10:550.032 0.032 mg/l
15 Oct 2024, 12:16<0.03 below 0.03 mg/l (not detected above this)
23 Sep 2024, 11:380.17 0.17 mg/l
19 Aug 2024, 09:380.034 0.034 mg/l
15 Jul 2024, 12:16<0.03 below 0.03 mg/l (not detected above this)
28 Jun 2024, 10:190.038 0.038 mg/l
8 Mar 2024, 12:110.055 0.055 mg/l
1 Feb 2024, 09:310.047 0.047 mg/l
15 Jan 2024, 10:520.11 0.11 mg/l
4 Dec 2023, 09:400.14 0.14 mg/l
3 Nov 2023, 12:160.081 0.081 mg/l
4 Oct 2023, 10:030.042 0.042 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

6.34 mg/l

Sampled 1 Sep 2026, 30 days ago · 34 results banked

681012mg/l2024202520264 Oct 2023, 10:03: 6.36 mg/l3 Nov 2023, 12:16: 9.46 mg/l4 Dec 2023, 09:40: 7.63 mg/l15 Jan 2024, 10:52: 9.34 mg/l1 Feb 2024, 09:31: 8.45 mg/l8 Mar 2024, 12:11: 8.36 mg/l28 Jun 2024, 10:19: 8.16 mg/l15 Jul 2024, 12:16: 7.07 mg/l19 Aug 2024, 09:38: 7.88 mg/l23 Sep 2024, 11:38: 7.62 mg/l15 Oct 2024, 12:16: 6.64 mg/l18 Nov 2024, 10:55: 6.96 mg/l2 Dec 2024, 09:27: 7.85 mg/l28 Jan 2025, 11:16: 6.37 mg/l13 Feb 2025, 10:41: 7.66 mg/l5 Mar 2025, 12:46: 7.57 mg/l11 Apr 2025, 12:25: 7.97 mg/l8 May 2025, 11:16: 9.33 mg/l2 Jun 2025, 13:33: 6.75 mg/l2 Jul 2025, 10:10: 6.36 mg/l6 Aug 2025, 10:10: 6.78 mg/l4 Sep 2025, 10:25: 6.07 mg/l7 Oct 2025, 12:03: 6.98 mg/l7 Nov 2025, 14:15: 7.48 mg/l8 Dec 2025, 14:46: 11 mg/l2 Jan 2026, 12:21: 9.9 mg/l13 Feb 2026, 11:53: 8.16 mg/l9 Mar 2026, 09:21: 8.35 mg/l7 Apr 2026, 10:48: 8.46 mg/l20 May 2026, 10:15: 6.04 mg/l2 Jun 2026, 09:55: 6.47 mg/l2 Jul 2026, 11:52: 6.28 mg/l3 Aug 2026, 09:51: 7.07 mg/l1 Sep 2026, 11:22: 6.34 mg/l
Every result (34)
SampledResult as publishedReads as
1 Sep 2026, 11:226.34 6.34 mg/l
3 Aug 2026, 09:517.07 7.07 mg/l
2 Jul 2026, 11:526.28 6.28 mg/l
2 Jun 2026, 09:556.47 6.47 mg/l
20 May 2026, 10:156.04 6.04 mg/l
7 Apr 2026, 10:488.46 8.46 mg/l
9 Mar 2026, 09:218.35 8.35 mg/l
13 Feb 2026, 11:538.16 8.16 mg/l
2 Jan 2026, 12:219.9 9.9 mg/l
8 Dec 2025, 14:4611 11 mg/l
7 Nov 2025, 14:157.48 7.48 mg/l
7 Oct 2025, 12:036.98 6.98 mg/l
4 Sep 2025, 10:256.07 6.07 mg/l
6 Aug 2025, 10:106.78 6.78 mg/l
2 Jul 2025, 10:106.36 6.36 mg/l
2 Jun 2025, 13:336.75 6.75 mg/l
8 May 2025, 11:169.33 9.33 mg/l
11 Apr 2025, 12:257.97 7.97 mg/l
5 Mar 2025, 12:467.57 7.57 mg/l
13 Feb 2025, 10:417.66 7.66 mg/l
28 Jan 2025, 11:166.37 6.37 mg/l
2 Dec 2024, 09:277.85 7.85 mg/l
18 Nov 2024, 10:556.96 6.96 mg/l
15 Oct 2024, 12:166.64 6.64 mg/l
23 Sep 2024, 11:387.62 7.62 mg/l
19 Aug 2024, 09:387.88 7.88 mg/l
15 Jul 2024, 12:167.07 7.07 mg/l
28 Jun 2024, 10:198.16 8.16 mg/l
8 Mar 2024, 12:118.36 8.36 mg/l
1 Feb 2024, 09:318.45 8.45 mg/l
15 Jan 2024, 10:529.34 9.34 mg/l
4 Dec 2023, 09:407.63 7.63 mg/l
3 Nov 2023, 12:169.46 9.46 mg/l
4 Oct 2023, 10:036.36 6.36 mg/l

Phosphate

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

0.47 mg/l

Sampled 1 Sep 2026, 30 days ago · 34 results banked

00.20.40.6mg/l2024202520264 Oct 2023, 10:03: 0.42 mg/l3 Nov 2023, 12:16: 0.12 mg/l4 Dec 2023, 09:40: 0.18 mg/l15 Jan 2024, 10:52: 0.14 mg/l1 Feb 2024, 09:31: 0.15 mg/l8 Mar 2024, 12:11: 0.1 mg/l28 Jun 2024, 10:19: 0.28 mg/l15 Jul 2024, 12:16: 0.3 mg/l19 Aug 2024, 09:38: 0.45 mg/l23 Sep 2024, 11:38: 0.24 mg/l15 Oct 2024, 12:16: 0.13 mg/l18 Nov 2024, 10:55: 0.18 mg/l2 Dec 2024, 09:27: 0.12 mg/l28 Jan 2025, 11:16: 0.12 mg/l13 Feb 2025, 10:41: 0.13 mg/l5 Mar 2025, 12:46: 0.11 mg/l11 Apr 2025, 12:25: 0.12 mg/l8 May 2025, 11:16: 0.24 mg/l2 Jun 2025, 13:33: 0.38 mg/l2 Jul 2025, 10:10: 0.48 mg/l6 Aug 2025, 10:10: 0.49 mg/l4 Sep 2025, 10:25: 0.59 mg/l7 Oct 2025, 12:03: 0.49 mg/l7 Nov 2025, 14:15: 0.46 mg/l8 Dec 2025, 14:46: 0.1 mg/l2 Jan 2026, 12:21: 0.17 mg/l13 Feb 2026, 11:53: 0.085 mg/l9 Mar 2026, 09:21: 0.13 mg/l7 Apr 2026, 10:48: 0.12 mg/l20 May 2026, 10:15: 0.19 mg/l2 Jun 2026, 09:55: 0.38 mg/l2 Jul 2026, 11:52: 0.47 mg/l3 Aug 2026, 09:51: 0.49 mg/l1 Sep 2026, 11:22: 0.47 mg/l
Every result (34)
SampledResult as publishedReads as
1 Sep 2026, 11:220.47 0.47 mg/l
3 Aug 2026, 09:510.49 0.49 mg/l
2 Jul 2026, 11:520.47 0.47 mg/l
2 Jun 2026, 09:550.38 0.38 mg/l
20 May 2026, 10:150.19 0.19 mg/l
7 Apr 2026, 10:480.12 0.12 mg/l
9 Mar 2026, 09:210.13 0.13 mg/l
13 Feb 2026, 11:530.085 0.085 mg/l
2 Jan 2026, 12:210.17 0.17 mg/l
8 Dec 2025, 14:460.1 0.1 mg/l
7 Nov 2025, 14:150.46 0.46 mg/l
7 Oct 2025, 12:030.49 0.49 mg/l
4 Sep 2025, 10:250.59 0.59 mg/l
6 Aug 2025, 10:100.49 0.49 mg/l
2 Jul 2025, 10:100.48 0.48 mg/l
2 Jun 2025, 13:330.38 0.38 mg/l
8 May 2025, 11:160.24 0.24 mg/l
11 Apr 2025, 12:250.12 0.12 mg/l
5 Mar 2025, 12:460.11 0.11 mg/l
13 Feb 2025, 10:410.13 0.13 mg/l
28 Jan 2025, 11:160.12 0.12 mg/l
2 Dec 2024, 09:270.12 0.12 mg/l
18 Nov 2024, 10:550.18 0.18 mg/l
15 Oct 2024, 12:160.13 0.13 mg/l
23 Sep 2024, 11:380.24 0.24 mg/l
19 Aug 2024, 09:380.45 0.45 mg/l
15 Jul 2024, 12:160.3 0.3 mg/l
28 Jun 2024, 10:190.28 0.28 mg/l
8 Mar 2024, 12:110.1 0.1 mg/l
1 Feb 2024, 09:310.15 0.15 mg/l
15 Jan 2024, 10:520.14 0.14 mg/l
4 Dec 2023, 09:400.18 0.18 mg/l
3 Nov 2023, 12:160.12 0.12 mg/l
4 Oct 2023, 10:030.42 0.42 mg/l

Turbidity

code 6396 · NTU

4.6 NTU

Sampled 9 Mar 2026, 7 months ago · 24 results banked

020406080NTU2024202520264 Oct 2023, 10:03: 2.6 NTU3 Nov 2023, 12:16: 66 NTU4 Dec 2023, 09:40: 66 NTU15 Jan 2024, 10:52: 6.4 NTU1 Feb 2024, 09:31: 3.8 NTU8 Mar 2024, 12:11: 6.4 NTU28 Jun 2024, 10:19: 5.6 NTU15 Jul 2024, 12:16: 3.7 NTU19 Aug 2024, 09:38: 3.2 NTU23 Sep 2024, 11:38: 32 NTU15 Oct 2024, 12:16: 4.9 NTU18 Nov 2024, 10:55: 5.2 NTU2 Dec 2024, 09:27: 12 NTU28 Jan 2025, 11:16: 76 NTU13 Feb 2025, 10:41: 7.3 NTU5 Mar 2025, 12:46: 4.2 NTU11 Apr 2025, 12:25: 3.2 NTU6 Aug 2025, 10:10: 2.3 NTU7 Oct 2025, 12:03: 3.6 NTU7 Nov 2025, 14:15: 2.8 NTU8 Dec 2025, 14:46: 21 NTU2 Jan 2026, 12:21: 3.1 NTU13 Feb 2026, 11:53: 10 NTU9 Mar 2026, 09:21: 4.6 NTU
Every result (24)
SampledResult as publishedReads as
9 Mar 2026, 09:214.6 4.6 NTU
13 Feb 2026, 11:5310 10 NTU
2 Jan 2026, 12:213.1 3.1 NTU
8 Dec 2025, 14:4621 21 NTU
7 Nov 2025, 14:152.8 2.8 NTU
7 Oct 2025, 12:033.6 3.6 NTU
6 Aug 2025, 10:102.3 2.3 NTU
11 Apr 2025, 12:253.2 3.2 NTU
5 Mar 2025, 12:464.2 4.2 NTU
13 Feb 2025, 10:417.3 7.3 NTU
28 Jan 2025, 11:1676 76 NTU
2 Dec 2024, 09:2712 12 NTU
18 Nov 2024, 10:555.2 5.2 NTU
15 Oct 2024, 12:164.9 4.9 NTU
23 Sep 2024, 11:3832 32 NTU
19 Aug 2024, 09:383.2 3.2 NTU
15 Jul 2024, 12:163.7 3.7 NTU
28 Jun 2024, 10:195.6 5.6 NTU
8 Mar 2024, 12:116.4 6.4 NTU
1 Feb 2024, 09:313.8 3.8 NTU
15 Jan 2024, 10:526.4 6.4 NTU
4 Dec 2023, 09:4066 66 NTU
3 Nov 2023, 12:1666 66 NTU
4 Oct 2023, 10:032.6 2.6 NTU

Conductivity

at 25 °C · code 0077 · µS/cm

715 µS/cm

Sampled 1 Sep 2026, 30 days ago · 34 results banked

400500600700800900µS/cm2024202520264 Oct 2023, 10:03: 772 µS/cm3 Nov 2023, 12:16: 623 µS/cm4 Dec 2023, 09:40: 835 µS/cm15 Jan 2024, 10:52: 722 µS/cm1 Feb 2024, 09:31: 769 µS/cm8 Mar 2024, 12:11: 732 µS/cm28 Jun 2024, 10:19: 795 µS/cm15 Jul 2024, 12:16: 778 µS/cm19 Aug 2024, 09:38: 800 µS/cm23 Sep 2024, 11:38: 474 µS/cm15 Oct 2024, 12:16: 689 µS/cm18 Nov 2024, 10:55: 730 µS/cm2 Dec 2024, 09:27: 665 µS/cm28 Jan 2025, 11:16: 572 µS/cm13 Feb 2025, 10:41: 725 µS/cm5 Mar 2025, 12:46: 698 µS/cm11 Apr 2025, 12:25: 764 µS/cm8 May 2025, 11:16: 788 µS/cm2 Jun 2025, 13:33: 777 µS/cm2 Jul 2025, 10:10: 784 µS/cm6 Aug 2025, 10:10: 767 µS/cm4 Sep 2025, 10:25: 740 µS/cm7 Oct 2025, 12:03: 760 µS/cm7 Nov 2025, 14:15: 784 µS/cm8 Dec 2025, 14:46: 640 µS/cm2 Jan 2026, 12:21: 765 µS/cm13 Feb 2026, 11:53: 631 µS/cm9 Mar 2026, 09:21: 701 µS/cm7 Apr 2026, 10:48: 756 µS/cm20 May 2026, 10:15: 728 µS/cm2 Jun 2026, 09:55: 769 µS/cm2 Jul 2026, 11:52: 800 µS/cm3 Aug 2026, 09:51: 826 µS/cm1 Sep 2026, 11:22: 715 µS/cm
Every result (34)
SampledResult as publishedReads as
1 Sep 2026, 11:22715 715 µS/cm
3 Aug 2026, 09:51826 826 µS/cm
2 Jul 2026, 11:52800 800 µS/cm
2 Jun 2026, 09:55769 769 µS/cm
20 May 2026, 10:15728 728 µS/cm
7 Apr 2026, 10:48756 756 µS/cm
9 Mar 2026, 09:21701 701 µS/cm
13 Feb 2026, 11:53631 631 µS/cm
2 Jan 2026, 12:21765 765 µS/cm
8 Dec 2025, 14:46640 640 µS/cm
7 Nov 2025, 14:15784 784 µS/cm
7 Oct 2025, 12:03760 760 µS/cm
4 Sep 2025, 10:25740 740 µS/cm
6 Aug 2025, 10:10767 767 µS/cm
2 Jul 2025, 10:10784 784 µS/cm
2 Jun 2025, 13:33777 777 µS/cm
8 May 2025, 11:16788 788 µS/cm
11 Apr 2025, 12:25764 764 µS/cm
5 Mar 2025, 12:46698 698 µS/cm
13 Feb 2025, 10:41725 725 µS/cm
28 Jan 2025, 11:16572 572 µS/cm
2 Dec 2024, 09:27665 665 µS/cm
18 Nov 2024, 10:55730 730 µS/cm
15 Oct 2024, 12:16689 689 µS/cm
23 Sep 2024, 11:38474 474 µS/cm
19 Aug 2024, 09:38800 800 µS/cm
15 Jul 2024, 12:16778 778 µS/cm
28 Jun 2024, 10:19795 795 µS/cm
8 Mar 2024, 12:11732 732 µS/cm
1 Feb 2024, 09:31769 769 µS/cm
15 Jan 2024, 10:52722 722 µS/cm
4 Dec 2023, 09:40835 835 µS/cm
3 Nov 2023, 12:16623 623 µS/cm
4 Oct 2023, 10:03772 772 µS/cm

Everything measured here

78 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 78 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 34 Oct 2023 – Sep 2026 67.6% 1 Sep 2026
Oxygen, Dissolved as O2 9924 River water 34 Oct 2023 – Sep 2026 6.53 mg/l 1 Sep 2026
Temperature of Water 0076 River water 34 Oct 2023 – Sep 2026 16.9 °C 1 Sep 2026
pH 0061 River water 34 Oct 2023 – Sep 2026 7.76 1 Sep 2026
Ammoniacal Nitrogen as N 0111 River water 34 Oct 2023 – Sep 2026 0.039 mg/l 1 Sep 2026
Nitrate as N 0117 River water 34 Oct 2023 – Sep 2026 6.34 mg/l 1 Sep 2026
Orthophosphate, reactive as P 0180 River water 34 Oct 2023 – Sep 2026 0.47 mg/l 1 Sep 2026
Turbidity 6396 River water 24 Oct 2023 – Mar 2026 4.6 NTU 9 Mar 2026
Conductivity at 25 C 0077 River water 34 Oct 2023 – Sep 2026 715 µS/cm 1 Sep 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 13 Feb 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 6 Aug 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
2H-Perfluoro-2-decenoic acid 2888 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 13 Feb 2026
3-Perfluoroheptylpropanoic acid 2925 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 2 Aug 2025 – Feb 2026 below 0.004 µg/l 13 Feb 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
4:2 Fluorotelomer sulfonic acid 2987 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
5:1:2 Fluorotelomer betaine 2887 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
5:3 Fluorotelomer betaine 2886 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
6:2 Fluorotelomer phosphate diester 2986 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 13 Feb 2026
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 13 Feb 2026
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 13 Feb 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 13 Feb 2026
6:6 Perfluorophosphinic acid 2883 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 13 Feb 2026
6:8 Perfluorophosphinic acid 2882 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 13 Feb 2026
8:2 Fluorotelomer phosphate diester 2880 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 13 Feb 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
8:8 Perfluorophosphinic acid 2879 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 13 Feb 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 34 Oct 2023 – Sep 2026 170 mg/l 1 Sep 2026
Ammonia un-ionised as N 0119 River water 34 Oct 2023 – Sep 2026 0.00069 mg/l 1 Sep 2026
BOD : 5 Day ATU 0085 River water 22 Jun 2024 – May 2026 1.7 mg/l 20 May 2026
Chlorophyll : Acetone Extract 7887 River water 22 Oct 2023 – Mar 2026 2.8 µg/l 9 Mar 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
Hexafluoropropylene oxide trimer acid 2980 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 13 Feb 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 13 Feb 2026
N-methylperfluorooctanesulfonamide 2975 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 13 Feb 2026
Nitrite as N 0118 River water 34 Oct 2023 – Sep 2026 0.057 mg/l 1 Sep 2026
Nitrogen, Total Oxidised as N 0116 River water 34 Oct 2023 – Sep 2026 6.4 mg/l 1 Sep 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluorobutanesulfonic acid 2972 River water 2 Aug 2025 – Feb 2026 0.0024 µg/l 13 Feb 2026
Perfluorobutanoic acid 2995 River water 2 Aug 2025 – Feb 2026 0.0016 µg/l 13 Feb 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluorodecanesulfonic acid 2969 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
Perfluorodecanoic acid 8892 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
Perfluorododecane sulfonic acid 2968 River water 2 Aug 2025 – Feb 2026 below 0.005 µg/l 13 Feb 2026
Perfluorododecanoic acid 8894 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 13 Feb 2026
Perfluoroheptanesulfonic acid 2967 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluoroheptanoic acid 8889 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
Perfluorohexane sulfonamido amine 2874 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluorohexanesulfonamide 2965 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluorohexanesulfonic acid (B) 2944 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluorohexanesulfonic acid (L) 2964 River water 2 Aug 2025 – Feb 2026 0.00068 µg/l 13 Feb 2026
Perfluorohexanoic acid 8888 River water 2 Aug 2025 – Feb 2026 0.0016 µg/l 13 Feb 2026
Perfluorononanesulfonic acid 2963 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluorononanoic acid 8891 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
Perfluorooctadecanoic acid 2962 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 13 Feb 2026
Perfluorooctanesulfonamide 2961 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 2 Aug 2025 – Feb 2026 0.00085 µg/l 13 Feb 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 2 Aug 2025 – Feb 2026 0.001 µg/l 13 Feb 2026
Perfluorooctanesulfonic acid (total) 2958 River water 1 Feb 2026 – Feb 2026 0.0019 µg/l 13 Feb 2026
Perfluorooctanoic acid 8890 River water 2 Aug 2025 – Feb 2026 0.0009 µg/l 13 Feb 2026
Perfluoropentanesulfonic acid 2957 River water 2 Aug 2025 – Feb 2026 below 0.0005 µg/l 13 Feb 2026
Perfluoropentanoic acid 8887 River water 2 Aug 2025 – Feb 2026 0.0016 µg/l 13 Feb 2026
Perfluorotetradecanoic acid 8895 River water 2 Aug 2025 – Feb 2026 below 0.006 µg/l 13 Feb 2026
Perfluorotridecanoic acid 2955 River water 2 Aug 2025 – Feb 2026 below 0.002 µg/l 13 Feb 2026
Perfluoroundecane sulfonic acid 2953 River water 2 Aug 2025 – Feb 2026 below 0.004 µg/l 13 Feb 2026
Perfluoroundecanoic acid 8893 River water 2 Aug 2025 – Feb 2026 below 0.001 µg/l 13 Feb 2026
Solids, Suspended at 105 C 0135 River water 25 Oct 2023 – Mar 2026 7.2 mg/l 9 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.