Meaux & Benningholme Road Bridge

EA name: MEAUX & BENNINGHOLME ROAD BRIDGE
Environment Agency sampling point NE-49200288 · 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
8 Jun 2026, 11:064 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
22 since 15 Jul 2024 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 510833, 439311As published, to the nearest 1 m. Open in a map
River, by its own name
Its name does not give one
River, by the map
Not placedTwo watercourses within reach (4 m and 13 m) and no name to choose by. The river map cannot say which watercourse this is.
Next gauge downstream
Not known
Why it was sampled
Monitoring (national agency policy) (22 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

55%

Sampled 8 Jun 2026, 4 months ago · 22 results banked

50100150200250%20242025202615 Jul 2024, 12:49: 55.9%16 Sep 2024, 09:35: 58.6%9 Oct 2024, 10:18: 74.5%17 Oct 2024, 07:55: 74.3%29 Nov 2024, 13:01: 96.2%4 Dec 2024, 08:32: 95.9%21 Jan 2025, 08:23: 94.7%25 Feb 2025, 08:22: 88.2%4 Apr 2025, 08:00: 88.5%15 May 2025, 14:58: 212.3%3 Jun 2025, 08:42: 62.3%10 Jul 2025, 11:28: 110.2%7 Aug 2025, 07:54: 59.4%30 Sep 2025, 08:07: 55.9%22 Oct 2025, 10:12: 66.3%6 Nov 2025, 10:28: 68.6%2 Dec 2025, 09:55: 77.6%19 Feb 2026, 09:35: 86.8%11 Mar 2026, 08:39: 90.5%15 Apr 2026, 08:52: 78.4%7 May 2026, 08:45: 75.7%8 Jun 2026, 11:06: 55%
Every result (22)
SampledResult as publishedReads as
8 Jun 2026, 11:0655 55%
7 May 2026, 08:4575.7 75.7%
15 Apr 2026, 08:5278.4 78.4%
11 Mar 2026, 08:3990.5 90.5%
19 Feb 2026, 09:3586.8 86.8%
2 Dec 2025, 09:5577.6 77.6%
6 Nov 2025, 10:2868.6 68.6%
22 Oct 2025, 10:1266.3 66.3%
30 Sep 2025, 08:0755.9 55.9%
7 Aug 2025, 07:5459.4 59.4%
10 Jul 2025, 11:28110.2 110.2%
3 Jun 2025, 08:4262.3 62.3%
15 May 2025, 14:58212.3 212.3%
4 Apr 2025, 08:0088.5 88.5%
25 Feb 2025, 08:2288.2 88.2%
21 Jan 2025, 08:2394.7 94.7%
4 Dec 2024, 08:3295.9 95.9%
29 Nov 2024, 13:0196.2 96.2%
17 Oct 2024, 07:5574.3 74.3%
9 Oct 2024, 10:1874.5 74.5%
16 Sep 2024, 09:3558.6 58.6%
15 Jul 2024, 12:4955.9 55.9%

Dissolved oxygen

as O2 · code 9924 · mg/l

5.52 mg/l

Sampled 8 Jun 2026, 4 months ago · 22 results banked

510152025mg/l20242025202615 Jul 2024, 12:49: 5.59 mg/l16 Sep 2024, 09:35: 6.65 mg/l9 Oct 2024, 10:18: 7.83 mg/l17 Oct 2024, 07:55: 7.74 mg/l29 Nov 2024, 13:01: 12.1 mg/l4 Dec 2024, 08:32: 12.2 mg/l21 Jan 2025, 08:23: 12.2 mg/l25 Feb 2025, 08:22: 10.9 mg/l4 Apr 2025, 08:00: 10.7 mg/l15 May 2025, 14:58: 21.4 mg/l3 Jun 2025, 08:42: 6.7 mg/l10 Jul 2025, 11:28: 10.1 mg/l7 Aug 2025, 07:54: 5.84 mg/l30 Sep 2025, 08:07: 6.08 mg/l22 Oct 2025, 10:12: 7.36 mg/l6 Nov 2025, 10:28: 7.31 mg/l2 Dec 2025, 09:55: 9.22 mg/l19 Feb 2026, 09:35: 11.2 mg/l11 Mar 2026, 08:39: 10.6 mg/l15 Apr 2026, 08:52: 8.43 mg/l7 May 2026, 08:45: 8.51 mg/l8 Jun 2026, 11:06: 5.52 mg/l
Every result (22)
SampledResult as publishedReads as
8 Jun 2026, 11:065.52 5.52 mg/l
7 May 2026, 08:458.51 8.51 mg/l
15 Apr 2026, 08:528.43 8.43 mg/l
11 Mar 2026, 08:3910.6 10.6 mg/l
19 Feb 2026, 09:3511.2 11.2 mg/l
2 Dec 2025, 09:559.22 9.22 mg/l
6 Nov 2025, 10:287.31 7.31 mg/l
22 Oct 2025, 10:127.36 7.36 mg/l
30 Sep 2025, 08:076.08 6.08 mg/l
7 Aug 2025, 07:545.84 5.84 mg/l
10 Jul 2025, 11:2810.1 10.1 mg/l
3 Jun 2025, 08:426.7 6.7 mg/l
15 May 2025, 14:5821.4 21.4 mg/l
4 Apr 2025, 08:0010.7 10.7 mg/l
25 Feb 2025, 08:2210.9 10.9 mg/l
21 Jan 2025, 08:2312.2 12.2 mg/l
4 Dec 2024, 08:3212.2 12.2 mg/l
29 Nov 2024, 13:0112.1 12.1 mg/l
17 Oct 2024, 07:557.74 7.74 mg/l
9 Oct 2024, 10:187.83 7.83 mg/l
16 Sep 2024, 09:356.65 6.65 mg/l
15 Jul 2024, 12:495.59 5.59 mg/l

Water temperature

code 0076 · °C

15.1 °C

Sampled 8 Jun 2026, 4 months ago · 22 results banked

05101520°C20242025202615 Jul 2024, 12:49: 15.3 °C16 Sep 2024, 09:35: 9.7 °C9 Oct 2024, 10:18: 13 °C17 Oct 2024, 07:55: 13.4 °C29 Nov 2024, 13:01: 5.4 °C4 Dec 2024, 08:32: 5 °C21 Jan 2025, 08:23: 4.5 °C25 Feb 2025, 08:22: 6.4 °C4 Apr 2025, 08:00: 7 °C15 May 2025, 14:58: 14.8 °C3 Jun 2025, 08:42: 12 °C10 Jul 2025, 11:28: 19.4 °C7 Aug 2025, 07:54: 16.1 °C30 Sep 2025, 08:07: 11.5 °C22 Oct 2025, 10:12: 10.6 °C6 Nov 2025, 10:28: 12.4 °C2 Dec 2025, 09:55: 7.8 °C19 Feb 2026, 09:35: 4.6 °C11 Mar 2026, 08:39: 8.2 °C15 Apr 2026, 08:52: 12 °C7 May 2026, 08:45: 10.1 °C8 Jun 2026, 11:06: 15.1 °C
Every result (22)
SampledResult as publishedReads as
8 Jun 2026, 11:0615.1 15.1 °C
7 May 2026, 08:4510.1 10.1 °C
15 Apr 2026, 08:5212 12 °C
11 Mar 2026, 08:398.2 8.2 °C
19 Feb 2026, 09:354.6 4.6 °C
2 Dec 2025, 09:557.8 7.8 °C
6 Nov 2025, 10:2812.4 12.4 °C
22 Oct 2025, 10:1210.6 10.6 °C
30 Sep 2025, 08:0711.5 11.5 °C
7 Aug 2025, 07:5416.1 16.1 °C
10 Jul 2025, 11:2819.4 19.4 °C
3 Jun 2025, 08:4212 12 °C
15 May 2025, 14:5814.8 14.8 °C
4 Apr 2025, 08:007 7 °C
25 Feb 2025, 08:226.4 6.4 °C
21 Jan 2025, 08:234.5 4.5 °C
4 Dec 2024, 08:325 5 °C
29 Nov 2024, 13:015.4 5.4 °C
17 Oct 2024, 07:5513.4 13.4 °C
9 Oct 2024, 10:1813 13 °C
16 Sep 2024, 09:359.7 9.7 °C
15 Jul 2024, 12:4915.3 15.3 °C

pH

code 0061

7.3

Sampled 8 Jun 2026, 4 months ago · 22 results banked

77.588.5920242025202615 Jul 2024, 12:49: 7.3516 Sep 2024, 09:35: 7.859 Oct 2024, 10:18: 7.6717 Oct 2024, 07:55: 7.9129 Nov 2024, 13:01: 7.834 Dec 2024, 08:32: 8.0221 Jan 2025, 08:23: 8.1925 Feb 2025, 08:22: 7.984 Apr 2025, 08:00: 8.0815 May 2025, 14:58: 8.873 Jun 2025, 08:42: 8.0610 Jul 2025, 11:28: 8.387 Aug 2025, 07:54: 7.6430 Sep 2025, 08:07: 7.4722 Oct 2025, 10:12: 7.776 Nov 2025, 10:28: 8.032 Dec 2025, 09:55: 7.7219 Feb 2026, 09:35: 7.8811 Mar 2026, 08:39: 8.0215 Apr 2026, 08:52: 7.97 May 2026, 08:45: 7.728 Jun 2026, 11:06: 7.3
Every result (22)
SampledResult as publishedReads as
8 Jun 2026, 11:067.3 7.3
7 May 2026, 08:457.72 7.72
15 Apr 2026, 08:527.9 7.9
11 Mar 2026, 08:398.02 8.02
19 Feb 2026, 09:357.88 7.88
2 Dec 2025, 09:557.72 7.72
6 Nov 2025, 10:288.03 8.03
22 Oct 2025, 10:127.77 7.77
30 Sep 2025, 08:077.47 7.47
7 Aug 2025, 07:547.64 7.64
10 Jul 2025, 11:288.38 8.38
3 Jun 2025, 08:428.06 8.06
15 May 2025, 14:588.87 8.87
4 Apr 2025, 08:008.08 8.08
25 Feb 2025, 08:227.98 7.98
21 Jan 2025, 08:238.19 8.19
4 Dec 2024, 08:328.02 8.02
29 Nov 2024, 13:017.83 7.83
17 Oct 2024, 07:557.91 7.91
9 Oct 2024, 10:187.67 7.67
16 Sep 2024, 09:357.85 7.85
15 Jul 2024, 12:497.35 7.35

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 8 Jun 2026, 4 months ago · 22 results banked

0246mg/l20242025202615 Jul 2024, 12:49: 0.062 mg/l16 Sep 2024, 09:35: 0.24 mg/l9 Oct 2024, 10:18: 0.16 mg/l17 Oct 2024, 07:55: 1.1 mg/l29 Nov 2024, 13:01: 0.33 mg/l4 Dec 2024, 08:32: 0.28 mg/l21 Jan 2025, 08:23: 0.59 mg/l25 Feb 2025, 08:22: 0.85 mg/l4 Apr 2025, 08:00: 0.12 mg/l15 May 2025, 14:58: 0.27 mg/l3 Jun 2025, 08:42: 4.4 mg/l10 Jul 2025, 11:28: 0.068 mg/l7 Aug 2025, 07:54: 0.04 mg/l30 Sep 2025, 08:07: 0.046 mg/l22 Oct 2025, 10:12: 0.12 mg/l6 Nov 2025, 10:28: 0.042 mg/l2 Dec 2025, 09:55: 0.22 mg/l19 Feb 2026, 09:35: 0.19 mg/l11 Mar 2026, 08:39: below 0.03 mg/l (not detected above this)15 Apr 2026, 08:52: below 0.03 mg/l (not detected above this)7 May 2026, 08:45: 0.053 mg/l8 Jun 2026, 11:06: below 0.03 mg/l (not detected above this)
Every result (22)
SampledResult as publishedReads as
8 Jun 2026, 11:06<0.03 below 0.03 mg/l (not detected above this)
7 May 2026, 08:450.053 0.053 mg/l
15 Apr 2026, 08:52<0.03 below 0.03 mg/l (not detected above this)
11 Mar 2026, 08:39<0.03 below 0.03 mg/l (not detected above this)
19 Feb 2026, 09:350.19 0.19 mg/l
2 Dec 2025, 09:550.22 0.22 mg/l
6 Nov 2025, 10:280.042 0.042 mg/l
22 Oct 2025, 10:120.12 0.12 mg/l
30 Sep 2025, 08:070.046 0.046 mg/l
7 Aug 2025, 07:540.04 0.04 mg/l
10 Jul 2025, 11:280.068 0.068 mg/l
3 Jun 2025, 08:424.4 4.4 mg/l
15 May 2025, 14:580.27 0.27 mg/l
4 Apr 2025, 08:000.12 0.12 mg/l
25 Feb 2025, 08:220.85 0.85 mg/l
21 Jan 2025, 08:230.59 0.59 mg/l
4 Dec 2024, 08:320.28 0.28 mg/l
29 Nov 2024, 13:010.33 0.33 mg/l
17 Oct 2024, 07:551.1 1.1 mg/l
9 Oct 2024, 10:180.16 0.16 mg/l
16 Sep 2024, 09:350.24 0.24 mg/l
15 Jul 2024, 12:490.062 0.062 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

0.359 mg/l

Sampled 8 Jun 2026, 4 months ago · 22 results banked

051015mg/l20242025202615 Jul 2024, 12:49: 3.17 mg/l16 Sep 2024, 09:35: 4.13 mg/l9 Oct 2024, 10:18: 8.91 mg/l17 Oct 2024, 07:55: 8.84 mg/l29 Nov 2024, 13:01: 11.9 mg/l4 Dec 2024, 08:32: 10.9 mg/l21 Jan 2025, 08:23: 8.03 mg/l25 Feb 2025, 08:22: 8.36 mg/l4 Apr 2025, 08:00: 8.44 mg/l15 May 2025, 14:58: 6.06 mg/l3 Jun 2025, 08:42: 1.88 mg/l10 Jul 2025, 11:28: 1.75 mg/l7 Aug 2025, 07:54: 0.793 mg/l30 Sep 2025, 08:07: 4.39 mg/l22 Oct 2025, 10:12: 5.41 mg/l6 Nov 2025, 10:28: 6.04 mg/l2 Dec 2025, 09:55: 8.06 mg/l19 Feb 2026, 09:35: 8.85 mg/l11 Mar 2026, 08:39: 8.47 mg/l15 Apr 2026, 08:52: 8.38 mg/l7 May 2026, 08:45: 3.2 mg/l8 Jun 2026, 11:06: 0.359 mg/l
Every result (22)
SampledResult as publishedReads as
8 Jun 2026, 11:060.359 0.359 mg/l
7 May 2026, 08:453.2 3.2 mg/l
15 Apr 2026, 08:528.38 8.38 mg/l
11 Mar 2026, 08:398.47 8.47 mg/l
19 Feb 2026, 09:358.85 8.85 mg/l
2 Dec 2025, 09:558.06 8.06 mg/l
6 Nov 2025, 10:286.04 6.04 mg/l
22 Oct 2025, 10:125.41 5.41 mg/l
30 Sep 2025, 08:074.39 4.39 mg/l
7 Aug 2025, 07:540.793 0.793 mg/l
10 Jul 2025, 11:281.75 1.75 mg/l
3 Jun 2025, 08:421.88 1.88 mg/l
15 May 2025, 14:586.06 6.06 mg/l
4 Apr 2025, 08:008.44 8.44 mg/l
25 Feb 2025, 08:228.36 8.36 mg/l
21 Jan 2025, 08:238.03 8.03 mg/l
4 Dec 2024, 08:3210.9 10.9 mg/l
29 Nov 2024, 13:0111.9 11.9 mg/l
17 Oct 2024, 07:558.84 8.84 mg/l
9 Oct 2024, 10:188.91 8.91 mg/l
16 Sep 2024, 09:354.13 4.13 mg/l
15 Jul 2024, 12:493.17 3.17 mg/l

Phosphate

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

0.43 mg/l

Sampled 8 Jun 2026, 4 months ago · 22 results banked

00.250.50.751mg/l20242025202615 Jul 2024, 12:49: 0.39 mg/l16 Sep 2024, 09:35: 0.077 mg/l9 Oct 2024, 10:18: 0.2 mg/l17 Oct 2024, 07:55: 0.26 mg/l29 Nov 2024, 13:01: 0.18 mg/l4 Dec 2024, 08:32: 0.15 mg/l21 Jan 2025, 08:23: 0.11 mg/l25 Feb 2025, 08:22: 0.22 mg/l4 Apr 2025, 08:00: 0.28 mg/l15 May 2025, 14:58: 0.37 mg/l3 Jun 2025, 08:42: 0.53 mg/l10 Jul 2025, 11:28: 0.94 mg/l7 Aug 2025, 07:54: 0.57 mg/l30 Sep 2025, 08:07: 0.63 mg/l22 Oct 2025, 10:12: 0.52 mg/l6 Nov 2025, 10:28: 0.49 mg/l2 Dec 2025, 09:55: 0.16 mg/l19 Feb 2026, 09:35: 0.099 mg/l11 Mar 2026, 08:39: 0.12 mg/l15 Apr 2026, 08:52: 0.32 mg/l7 May 2026, 08:45: 0.38 mg/l8 Jun 2026, 11:06: 0.43 mg/l
Every result (22)
SampledResult as publishedReads as
8 Jun 2026, 11:060.43 0.43 mg/l
7 May 2026, 08:450.38 0.38 mg/l
15 Apr 2026, 08:520.32 0.32 mg/l
11 Mar 2026, 08:390.12 0.12 mg/l
19 Feb 2026, 09:350.099 0.099 mg/l
2 Dec 2025, 09:550.16 0.16 mg/l
6 Nov 2025, 10:280.49 0.49 mg/l
22 Oct 2025, 10:120.52 0.52 mg/l
30 Sep 2025, 08:070.63 0.63 mg/l
7 Aug 2025, 07:540.57 0.57 mg/l
10 Jul 2025, 11:280.94 0.94 mg/l
3 Jun 2025, 08:420.53 0.53 mg/l
15 May 2025, 14:580.37 0.37 mg/l
4 Apr 2025, 08:000.28 0.28 mg/l
25 Feb 2025, 08:220.22 0.22 mg/l
21 Jan 2025, 08:230.11 0.11 mg/l
4 Dec 2024, 08:320.15 0.15 mg/l
29 Nov 2024, 13:010.18 0.18 mg/l
17 Oct 2024, 07:550.26 0.26 mg/l
9 Oct 2024, 10:180.2 0.2 mg/l
16 Sep 2024, 09:350.077 0.077 mg/l
15 Jul 2024, 12:490.39 0.39 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

1051 µS/cm

Sampled 8 Jun 2026, 4 months ago · 22 results banked

0500100015002000µS/cm20242025202615 Jul 2024, 12:49: 735 µS/cm16 Sep 2024, 09:35: 1531 µS/cm9 Oct 2024, 10:18: 901 µS/cm17 Oct 2024, 07:55: 1137 µS/cm29 Nov 2024, 13:01: 919 µS/cm4 Dec 2024, 08:32: 951 µS/cm21 Jan 2025, 08:23: 1609 µS/cm25 Feb 2025, 08:22: 876 µS/cm4 Apr 2025, 08:00: 1012 µS/cm15 May 2025, 14:58: 1067 µS/cm3 Jun 2025, 08:42: 1148 µS/cm10 Jul 2025, 11:28: 827 µS/cm7 Aug 2025, 07:54: 1041 µS/cm30 Sep 2025, 08:07: 774 µS/cm22 Oct 2025, 10:12: 1075 µS/cm6 Nov 2025, 10:28: 1108 µS/cm2 Dec 2025, 09:55: 491 µS/cm19 Feb 2026, 09:35: 804 µS/cm11 Mar 2026, 08:39: 1109 µS/cm15 Apr 2026, 08:52: 1039 µS/cm7 May 2026, 08:45: 863 µS/cm8 Jun 2026, 11:06: 1051 µS/cm
Every result (22)
SampledResult as publishedReads as
8 Jun 2026, 11:061051 1051 µS/cm
7 May 2026, 08:45863 863 µS/cm
15 Apr 2026, 08:521039 1039 µS/cm
11 Mar 2026, 08:391109 1109 µS/cm
19 Feb 2026, 09:35804 804 µS/cm
2 Dec 2025, 09:55491 491 µS/cm
6 Nov 2025, 10:281108 1108 µS/cm
22 Oct 2025, 10:121075 1075 µS/cm
30 Sep 2025, 08:07774 774 µS/cm
7 Aug 2025, 07:541041 1041 µS/cm
10 Jul 2025, 11:28827 827 µS/cm
3 Jun 2025, 08:421148 1148 µS/cm
15 May 2025, 14:581067 1067 µS/cm
4 Apr 2025, 08:001012 1012 µS/cm
25 Feb 2025, 08:22876 876 µS/cm
21 Jan 2025, 08:231609 1609 µS/cm
4 Dec 2024, 08:32951 951 µS/cm
29 Nov 2024, 13:01919 919 µS/cm
17 Oct 2024, 07:551137 1137 µS/cm
9 Oct 2024, 10:18901 901 µS/cm
16 Sep 2024, 09:351531 1531 µS/cm
15 Jul 2024, 12:49735 735 µS/cm

Everything measured here

75 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 75 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 22 Jul 2024 – Jun 2026 55% 8 Jun 2026
Oxygen, Dissolved as O2 9924 River water 22 Jul 2024 – Jun 2026 5.52 mg/l 8 Jun 2026
Temperature of Water 0076 River water 22 Jul 2024 – Jun 2026 15.1 °C 8 Jun 2026
pH 0061 River water 22 Jul 2024 – Jun 2026 7.3 8 Jun 2026
Ammoniacal Nitrogen as N 0111 River water 22 Jul 2024 – Jun 2026 below 0.03 mg/l 8 Jun 2026
Nitrate as N 0117 River water 22 Jul 2024 – Jun 2026 0.359 mg/l 8 Jun 2026
Orthophosphate, reactive as P 0180 River water 22 Jul 2024 – Jun 2026 0.43 mg/l 8 Jun 2026
Conductivity at 25 C 0077 River water 22 Jul 2024 – Jun 2026 1051 µS/cm 8 Jun 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 11 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 11 Mar 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
2H-Perfluoro-2-decenoic acid 2888 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
3-Perfluoroheptylpropanoic acid 2925 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 11 Mar 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
4:2 Fluorotelomer sulfonic acid 2987 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
5:1:2 Fluorotelomer betaine 2887 River water 1 Mar 2026 – Mar 2026 0.00062 µg/l 11 Mar 2026
5:3 Fluorotelomer betaine 2886 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
6:2 Fluorotelomer phosphate diester 2986 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 11 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 11 Mar 2026
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Mar 2026 – Mar 2026 0.0025 µg/l 11 Mar 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Mar 2026 – Mar 2026 below 0.01 µg/l 11 Mar 2026
6:6 Perfluorophosphinic acid 2883 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 11 Mar 2026
6:8 Perfluorophosphinic acid 2882 River water 1 Mar 2026 – Mar 2026 below 0.01 µg/l 11 Mar 2026
8:2 Fluorotelomer phosphate diester 2880 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 11 Mar 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
8:8 Perfluorophosphinic acid 2879 River water 1 Mar 2026 – Mar 2026 below 0.01 µg/l 11 Mar 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 22 Jul 2024 – Jun 2026 310 mg/l 8 Jun 2026
Ammonia un-ionised as N 0119 River water 22 Jul 2024 – Jun 2026 below 0.00016 mg/l 8 Jun 2026
BOD : 5 Day ATU 0085 River water 22 Jul 2024 – Jun 2026 1 mg/l 8 Jun 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Hexafluoropropylene oxide trimer acid 2980 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 11 Mar 2026
N-methylperfluorooctanesulfonamide 2975 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 11 Mar 2026
Nitrite as N 0118 River water 22 Jul 2024 – Jun 2026 0.021 mg/l 8 Jun 2026
Nitrogen, Total Oxidised as N 0116 River water 22 Jul 2024 – Jun 2026 0.38 mg/l 8 Jun 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorobutanesulfonic acid 2972 River water 1 Mar 2026 – Mar 2026 0.0066 µg/l 11 Mar 2026
Perfluorobutanoic acid 2995 River water 1 Mar 2026 – Mar 2026 0.0098 µg/l 11 Mar 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 Mar 2026 – Mar 2026 0.0021 µg/l 11 Mar 2026
Perfluorodecanesulfonic acid 2969 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorodecanoic acid 8892 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorododecane sulfonic acid 2968 River water 1 Mar 2026 – Mar 2026 below 0.005 µg/l 11 Mar 2026
Perfluorododecanoic acid 8894 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 11 Mar 2026
Perfluoroheptanesulfonic acid 2967 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluoroheptanoic acid 8889 River water 1 Mar 2026 – Mar 2026 0.0062 µg/l 11 Mar 2026
Perfluorohexane sulfonamido amine 2874 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorohexanesulfonamide 2965 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorohexanesulfonic acid (B) 2944 River water 1 Mar 2026 – Mar 2026 0.0012 µg/l 11 Mar 2026
Perfluorohexanesulfonic acid (L) 2964 River water 1 Mar 2026 – Mar 2026 0.0033 µg/l 11 Mar 2026
Perfluorohexanoic acid 8888 River water 1 Mar 2026 – Mar 2026 0.015 µg/l 11 Mar 2026
Perfluorononanesulfonic acid 2963 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorononanoic acid 8891 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorooctadecanoic acid 2962 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 11 Mar 2026
Perfluorooctanesulfonamide 2961 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 1 Mar 2026 – Mar 2026 0.002 µg/l 11 Mar 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 1 Mar 2026 – Mar 2026 0.0021 µg/l 11 Mar 2026
Perfluorooctanesulfonic acid (total) 2958 River water 1 Mar 2026 – Mar 2026 0.0041 µg/l 11 Mar 2026
Perfluorooctanoic acid 8890 River water 1 Mar 2026 – Mar 2026 0.0085 µg/l 11 Mar 2026
Perfluoropentanesulfonic acid 2957 River water 1 Mar 2026 – Mar 2026 0.0014 µg/l 11 Mar 2026
Perfluoropentanoic acid 8887 River water 1 Mar 2026 – Mar 2026 0.015 µg/l 11 Mar 2026
Perfluorotetradecanoic acid 8895 River water 1 Mar 2026 – Mar 2026 below 0.006 µg/l 11 Mar 2026
Perfluorotridecanoic acid 2955 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 11 Mar 2026
Perfluoroundecane sulfonic acid 2953 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 11 Mar 2026
Perfluoroundecanoic acid 8893 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 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.