Booth Green Brook, near Blakehey Wood

EA name: SSN1626 BOOTH GREEN BRK, NR BLAKEHEY WD (also listed as “SSN1626 BOOTH GREEN BROOK NEAR BLAKEHEY WOOD”)
Environment Agency sampling point NW-SSN1626 · 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
24 Aug 2026, 11:5038 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
20 since 21 Jan 2025 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 394198, 380605As published, to the nearest 1 m. Open in a map
River, by its own name
Booth Green Brook
River, by the map
Not placedNo mapped watercourse within 500 m. The river map cannot say which watercourse this is.
Next gauge downstream
Not known
Why it was sampled
Monitoring (national agency policy) (20 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

97.1%

Sampled 24 Aug 2026, 38 days ago · 19 results banked

9095100105110%20242025202621 Jan 2025, 12:26: 100.9%4 Feb 2025, 10:52: 100.8%14 Mar 2025, 16:12: 97.5%8 Apr 2025, 10:34: 96.3%16 May 2025, 14:45: 93.8%3 Jun 2025, 11:18: 95.9%7 Jul 2025, 11:49: 95.6%1 Aug 2025, 12:28: 96.3%16 Sep 2025, 09:55: 95.5%3 Oct 2025, 13:58: 98.7%25 Nov 2025, 10:08: 105.4%17 Dec 2025, 13:25: 103.6%27 Jan 2026, 13:47: 100.7%25 Feb 2026, 12:18: 101.2%23 Mar 2026, 14:43: 100.1%23 Apr 2026, 13:45: 99.2%21 May 2026, 12:16: 97.9%26 Jun 2026, 10:55: 94.8%24 Aug 2026, 11:50: 97.1%
Every result (19)
SampledResult as publishedReads as
24 Aug 2026, 11:5097.1 97.1%
26 Jun 2026, 10:5594.8 94.8%
21 May 2026, 12:1697.9 97.9%
23 Apr 2026, 13:4599.2 99.2%
23 Mar 2026, 14:43100.1 100.1%
25 Feb 2026, 12:18101.2 101.2%
27 Jan 2026, 13:47100.7 100.7%
17 Dec 2025, 13:25103.6 103.6%
25 Nov 2025, 10:08105.4 105.4%
3 Oct 2025, 13:5898.7 98.7%
16 Sep 2025, 09:5595.5 95.5%
1 Aug 2025, 12:2896.3 96.3%
7 Jul 2025, 11:4995.6 95.6%
3 Jun 2025, 11:1895.9 95.9%
16 May 2025, 14:4593.8 93.8%
8 Apr 2025, 10:3496.3 96.3%
14 Mar 2025, 16:1297.5 97.5%
4 Feb 2025, 10:52100.8 100.8%
21 Jan 2025, 12:26100.9 100.9%

Dissolved oxygen

as O2 · code 9924 · mg/l

10.1 mg/l

Sampled 24 Aug 2026, 38 days ago · 19 results banked

8101214mg/l20242025202621 Jan 2025, 12:26: 12.7 mg/l4 Feb 2025, 10:52: 12.3 mg/l14 Mar 2025, 16:12: 12 mg/l8 Apr 2025, 10:34: 11.8 mg/l16 May 2025, 14:45: 10.1 mg/l3 Jun 2025, 11:18: 10.4 mg/l7 Jul 2025, 11:49: 9.96 mg/l1 Aug 2025, 12:28: 9.99 mg/l16 Sep 2025, 09:55: 10.2 mg/l3 Oct 2025, 13:58: 10.4 mg/l25 Nov 2025, 10:08: 13 mg/l17 Dec 2025, 13:25: 12.4 mg/l27 Jan 2026, 13:47: 12.6 mg/l25 Feb 2026, 12:18: 11.5 mg/l23 Mar 2026, 14:43: 11.5 mg/l23 Apr 2026, 13:45: 11 mg/l21 May 2026, 12:16: 10.4 mg/l26 Jun 2026, 10:55: 8.67 mg/l24 Aug 2026, 11:50: 10.1 mg/l
Every result (19)
SampledResult as publishedReads as
24 Aug 2026, 11:5010.1 10.1 mg/l
26 Jun 2026, 10:558.67 8.67 mg/l
21 May 2026, 12:1610.4 10.4 mg/l
23 Apr 2026, 13:4511 11 mg/l
23 Mar 2026, 14:4311.5 11.5 mg/l
25 Feb 2026, 12:1811.5 11.5 mg/l
27 Jan 2026, 13:4712.6 12.6 mg/l
17 Dec 2025, 13:2512.4 12.4 mg/l
25 Nov 2025, 10:0813 13 mg/l
3 Oct 2025, 13:5810.4 10.4 mg/l
16 Sep 2025, 09:5510.2 10.2 mg/l
1 Aug 2025, 12:289.99 9.99 mg/l
7 Jul 2025, 11:499.96 9.96 mg/l
3 Jun 2025, 11:1810.4 10.4 mg/l
16 May 2025, 14:4510.1 10.1 mg/l
8 Apr 2025, 10:3411.8 11.8 mg/l
14 Mar 2025, 16:1212 12 mg/l
4 Feb 2025, 10:5212.3 12.3 mg/l
21 Jan 2025, 12:2612.7 12.7 mg/l

Water temperature

code 0076 · °C

13.3 °C

Sampled 24 Aug 2026, 38 days ago · 19 results banked

5101520°C20242025202621 Jan 2025, 12:26: 5.6 °C4 Feb 2025, 10:52: 6.7 °C14 Mar 2025, 16:12: 6.4 °C8 Apr 2025, 10:34: 6.6 °C16 May 2025, 14:45: 12 °C3 Jun 2025, 11:18: 11.6 °C7 Jul 2025, 11:49: 13.4 °C1 Aug 2025, 12:28: 13.6 °C16 Sep 2025, 09:55: 12.1 °C3 Oct 2025, 13:58: 12.9 °C25 Nov 2025, 10:08: 6.2 °C17 Dec 2025, 13:25: 7.5 °C27 Jan 2026, 13:47: 5.7 °C25 Feb 2026, 12:18: 9.6 °C23 Mar 2026, 14:43: 9.1 °C23 Apr 2026, 13:45: 10.8 °C21 May 2026, 12:16: 12.5 °C26 Jun 2026, 10:55: 19.6 °C24 Aug 2026, 11:50: 13.3 °C
Every result (19)
SampledResult as publishedReads as
24 Aug 2026, 11:5013.3 13.3 °C
26 Jun 2026, 10:5519.6 19.6 °C
21 May 2026, 12:1612.5 12.5 °C
23 Apr 2026, 13:4510.8 10.8 °C
23 Mar 2026, 14:439.1 9.1 °C
25 Feb 2026, 12:189.6 9.6 °C
27 Jan 2026, 13:475.7 5.7 °C
17 Dec 2025, 13:257.5 7.5 °C
25 Nov 2025, 10:086.2 6.2 °C
3 Oct 2025, 13:5812.9 12.9 °C
16 Sep 2025, 09:5512.1 12.1 °C
1 Aug 2025, 12:2813.6 13.6 °C
7 Jul 2025, 11:4913.4 13.4 °C
3 Jun 2025, 11:1811.6 11.6 °C
16 May 2025, 14:4512 12 °C
8 Apr 2025, 10:346.6 6.6 °C
14 Mar 2025, 16:126.4 6.4 °C
4 Feb 2025, 10:526.7 6.7 °C
21 Jan 2025, 12:265.6 5.6 °C

pH

code 0061

7.98

Sampled 24 Aug 2026, 38 days ago · 19 results banked

24681020242025202621 Jan 2025, 12:26: 7.664 Feb 2025, 10:52: 7.5814 Mar 2025, 16:12: 7.928 Apr 2025, 10:34: 7.7416 May 2025, 14:45: 7.653 Jun 2025, 11:18: 7.597 Jul 2025, 11:49: below 2 (not detected above this)1 Aug 2025, 12:28: 8.1116 Sep 2025, 09:55: 8.113 Oct 2025, 13:58: 7.4725 Nov 2025, 10:08: 7.9617 Dec 2025, 13:25: 7.7727 Jan 2026, 13:47: 7.4525 Feb 2026, 12:18: 7.4723 Mar 2026, 14:43: 8.0223 Apr 2026, 13:45: 7.5421 May 2026, 12:16: 7.7926 Jun 2026, 10:55: 7.4824 Aug 2026, 11:50: 7.98
Every result (19)
SampledResult as publishedReads as
24 Aug 2026, 11:507.98 7.98
26 Jun 2026, 10:557.48 7.48
21 May 2026, 12:167.79 7.79
23 Apr 2026, 13:457.54 7.54
23 Mar 2026, 14:438.02 8.02
25 Feb 2026, 12:187.47 7.47
27 Jan 2026, 13:477.45 7.45
17 Dec 2025, 13:257.77 7.77
25 Nov 2025, 10:087.96 7.96
3 Oct 2025, 13:587.47 7.47
16 Sep 2025, 09:558.11 8.11
1 Aug 2025, 12:288.11 8.11
7 Jul 2025, 11:49<2 below 2 (not detected above this)
3 Jun 2025, 11:187.59 7.59
16 May 2025, 14:457.65 7.65
8 Apr 2025, 10:347.74 7.74
14 Mar 2025, 16:127.92 7.92
4 Feb 2025, 10:527.58 7.58
21 Jan 2025, 12:267.66 7.66

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 24 Aug 2026, 38 days ago · 19 results banked

00.050.10.150.2mg/l20242025202621 Jan 2025, 12:26: below 0.03 mg/l (not detected above this)4 Feb 2025, 10:52: 0.032 mg/l14 Mar 2025, 16:12: below 0.03 mg/l (not detected above this)8 Apr 2025, 10:34: 0.032 mg/l16 May 2025, 14:45: below 0.03 mg/l (not detected above this)3 Jun 2025, 11:18: 0.088 mg/l7 Jul 2025, 11:49: 0.052 mg/l1 Aug 2025, 12:28: below 0.03 mg/l (not detected above this)16 Sep 2025, 09:55: 0.18 mg/l3 Oct 2025, 13:58: below 0.03 mg/l (not detected above this)25 Nov 2025, 10:08: below 0.03 mg/l (not detected above this)17 Dec 2025, 13:25: below 0.03 mg/l (not detected above this)27 Jan 2026, 13:47: below 0.03 mg/l (not detected above this)25 Feb 2026, 12:18: below 0.03 mg/l (not detected above this)23 Mar 2026, 14:43: below 0.03 mg/l (not detected above this)23 Apr 2026, 13:45: 0.036 mg/l21 May 2026, 12:16: 0.041 mg/l26 Jun 2026, 10:55: below 0.03 mg/l (not detected above this)24 Aug 2026, 11:50: below 0.03 mg/l (not detected above this)
Every result (19)
SampledResult as publishedReads as
24 Aug 2026, 11:50<0.03 below 0.03 mg/l (not detected above this)
26 Jun 2026, 10:55<0.03 below 0.03 mg/l (not detected above this)
21 May 2026, 12:160.041 0.041 mg/l
23 Apr 2026, 13:450.036 0.036 mg/l
23 Mar 2026, 14:43<0.03 below 0.03 mg/l (not detected above this)
25 Feb 2026, 12:18<0.03 below 0.03 mg/l (not detected above this)
27 Jan 2026, 13:47<0.03 below 0.03 mg/l (not detected above this)
17 Dec 2025, 13:25<0.03 below 0.03 mg/l (not detected above this)
25 Nov 2025, 10:08<0.03 below 0.03 mg/l (not detected above this)
3 Oct 2025, 13:58<0.03 below 0.03 mg/l (not detected above this)
16 Sep 2025, 09:550.18 0.18 mg/l
1 Aug 2025, 12:28<0.03 below 0.03 mg/l (not detected above this)
7 Jul 2025, 11:490.052 0.052 mg/l
3 Jun 2025, 11:180.088 0.088 mg/l
16 May 2025, 14:45<0.03 below 0.03 mg/l (not detected above this)
8 Apr 2025, 10:340.032 0.032 mg/l
14 Mar 2025, 16:12<0.03 below 0.03 mg/l (not detected above this)
4 Feb 2025, 10:520.032 0.032 mg/l
21 Jan 2025, 12:26<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

0.626 mg/l

Sampled 24 Aug 2026, 38 days ago · 19 results banked

0.511.52mg/l20242025202621 Jan 2025, 12:26: 1.7 mg/l4 Feb 2025, 10:52: 1.89 mg/l14 Mar 2025, 16:12: 1.39 mg/l8 Apr 2025, 10:34: 1.09 mg/l16 May 2025, 14:45: 1.19 mg/l3 Jun 2025, 11:18: 1.07 mg/l7 Jul 2025, 11:49: 0.966 mg/l1 Aug 2025, 12:28: 0.566 mg/l16 Sep 2025, 09:55: 1.28 mg/l3 Oct 2025, 13:58: 0.843 mg/l25 Nov 2025, 10:08: 1.7 mg/l17 Dec 2025, 13:25: 1.9 mg/l27 Jan 2026, 13:47: 2 mg/l25 Feb 2026, 12:18: 1.9 mg/l23 Mar 2026, 14:43: 1.3 mg/l23 Apr 2026, 13:45: 1.09 mg/l21 May 2026, 12:16: 0.915 mg/l26 Jun 2026, 10:55: 1.19 mg/l24 Aug 2026, 11:50: 0.626 mg/l
Every result (19)
SampledResult as publishedReads as
24 Aug 2026, 11:500.626 0.626 mg/l
26 Jun 2026, 10:551.19 1.19 mg/l
21 May 2026, 12:160.915 0.915 mg/l
23 Apr 2026, 13:451.09 1.09 mg/l
23 Mar 2026, 14:431.3 1.3 mg/l
25 Feb 2026, 12:181.9 1.9 mg/l
27 Jan 2026, 13:472 2 mg/l
17 Dec 2025, 13:251.9 1.9 mg/l
25 Nov 2025, 10:081.7 1.7 mg/l
3 Oct 2025, 13:580.843 0.843 mg/l
16 Sep 2025, 09:551.28 1.28 mg/l
1 Aug 2025, 12:280.566 0.566 mg/l
7 Jul 2025, 11:490.966 0.966 mg/l
3 Jun 2025, 11:181.07 1.07 mg/l
16 May 2025, 14:451.19 1.19 mg/l
8 Apr 2025, 10:341.09 1.09 mg/l
14 Mar 2025, 16:121.39 1.39 mg/l
4 Feb 2025, 10:521.89 1.89 mg/l
21 Jan 2025, 12:261.7 1.7 mg/l

Phosphate

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

0.056 mg/l

Sampled 24 Aug 2026, 38 days ago · 19 results banked

00.050.10.15mg/l20242025202621 Jan 2025, 12:26: 0.016 mg/l4 Feb 2025, 10:52: 0.017 mg/l14 Mar 2025, 16:12: 0.02 mg/l8 Apr 2025, 10:34: 0.026 mg/l16 May 2025, 14:45: 0.048 mg/l3 Jun 2025, 11:18: 0.098 mg/l7 Jul 2025, 11:49: 0.12 mg/l1 Aug 2025, 12:28: 0.062 mg/l16 Sep 2025, 09:55: 0.1 mg/l3 Oct 2025, 13:58: 0.06 mg/l25 Nov 2025, 10:08: 0.021 mg/l17 Dec 2025, 13:25: 0.014 mg/l27 Jan 2026, 13:47: 0.02 mg/l25 Feb 2026, 12:18: 0.023 mg/l23 Mar 2026, 14:43: 0.019 mg/l23 Apr 2026, 13:45: 0.034 mg/l21 May 2026, 12:16: 0.048 mg/l26 Jun 2026, 10:55: 0.11 mg/l24 Aug 2026, 11:50: 0.056 mg/l
Every result (19)
SampledResult as publishedReads as
24 Aug 2026, 11:500.056 0.056 mg/l
26 Jun 2026, 10:550.11 0.11 mg/l
21 May 2026, 12:160.048 0.048 mg/l
23 Apr 2026, 13:450.034 0.034 mg/l
23 Mar 2026, 14:430.019 0.019 mg/l
25 Feb 2026, 12:180.023 0.023 mg/l
27 Jan 2026, 13:470.02 0.02 mg/l
17 Dec 2025, 13:250.014 0.014 mg/l
25 Nov 2025, 10:080.021 0.021 mg/l
3 Oct 2025, 13:580.06 0.06 mg/l
16 Sep 2025, 09:550.1 0.1 mg/l
1 Aug 2025, 12:280.062 0.062 mg/l
7 Jul 2025, 11:490.12 0.12 mg/l
3 Jun 2025, 11:180.098 0.098 mg/l
16 May 2025, 14:450.048 0.048 mg/l
8 Apr 2025, 10:340.026 0.026 mg/l
14 Mar 2025, 16:120.02 0.02 mg/l
4 Feb 2025, 10:520.017 0.017 mg/l
21 Jan 2025, 12:260.016 0.016 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

209 µS/cm

Sampled 24 Aug 2026, 38 days ago · 19 results banked

100125150175200225µS/cm20242025202621 Jan 2025, 12:26: 121 µS/cm4 Feb 2025, 10:52: 127 µS/cm14 Mar 2025, 16:12: 150 µS/cm8 Apr 2025, 10:34: 162 µS/cm16 May 2025, 14:45: 184 µS/cm3 Jun 2025, 11:18: 202 µS/cm7 Jul 2025, 11:49: 173 µS/cm1 Aug 2025, 12:28: 163 µS/cm16 Sep 2025, 09:55: 214 µS/cm3 Oct 2025, 13:58: 144 µS/cm25 Nov 2025, 10:08: 119 µS/cm17 Dec 2025, 13:25: 115 µS/cm27 Jan 2026, 13:47: 115 µS/cm25 Feb 2026, 12:18: 124 µS/cm23 Mar 2026, 14:43: 132 µS/cm23 Apr 2026, 13:45: 131 µS/cm21 May 2026, 12:16: 154 µS/cm26 Jun 2026, 10:55: 179 µS/cm24 Aug 2026, 11:50: 209 µS/cm
Every result (19)
SampledResult as publishedReads as
24 Aug 2026, 11:50209 209 µS/cm
26 Jun 2026, 10:55179 179 µS/cm
21 May 2026, 12:16154 154 µS/cm
23 Apr 2026, 13:45131 131 µS/cm
23 Mar 2026, 14:43132 132 µS/cm
25 Feb 2026, 12:18124 124 µS/cm
27 Jan 2026, 13:47115 115 µS/cm
17 Dec 2025, 13:25115 115 µS/cm
25 Nov 2025, 10:08119 119 µS/cm
3 Oct 2025, 13:58144 144 µS/cm
16 Sep 2025, 09:55214 214 µS/cm
1 Aug 2025, 12:28163 163 µS/cm
7 Jul 2025, 11:49173 173 µS/cm
3 Jun 2025, 11:18202 202 µS/cm
16 May 2025, 14:45184 184 µS/cm
8 Apr 2025, 10:34162 162 µS/cm
14 Mar 2025, 16:12150 150 µS/cm
4 Feb 2025, 10:52127 127 µS/cm
21 Jan 2025, 12:26121 121 µS/cm

Everything measured here

109 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 109 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 19 Jan 2025 – Aug 2026 97.1% 24 Aug 2026
Oxygen, Dissolved as O2 9924 River water 19 Jan 2025 – Aug 2026 10.1 mg/l 24 Aug 2026
Temperature of Water 0076 River water 19 Jan 2025 – Aug 2026 13.3 °C 24 Aug 2026
pH 0061 River water 19 Jan 2025 – Aug 2026 7.98 24 Aug 2026
Ammoniacal Nitrogen as N 0111 River water 19 Jan 2025 – Aug 2026 below 0.03 mg/l 24 Aug 2026
Nitrate as N 0117 River water 19 Jan 2025 – Aug 2026 0.626 mg/l 24 Aug 2026
Orthophosphate, reactive as P 0180 River water 19 Jan 2025 – Aug 2026 0.056 mg/l 24 Aug 2026
Conductivity at 25 C 0077 River water 19 Jan 2025 – Aug 2026 209 µS/cm 24 Aug 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Oct 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
2H-Perfluoro-2-decenoic acid 2888 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
3-Perfluoroheptylpropanoic acid 2925 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
3:3 Fluorotelomer carboxylic acid 2926 River water 2 Apr 2025 – Oct 2025 below 0.004 µg/l 3 Oct 2025
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
5:1:2 Fluorotelomer betaine 2887 River water 1 Oct 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
5:3 Fluorotelomer betaine 2886 River water 1 Oct 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
6:2 Fluorotelomer phosphate diester 2986 River water 1 Oct 2025 – Oct 2025 below 0.004 µg/l 3 Oct 2025
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
6:2 Fluorotelomer sulfonic acid 2984 River water 2 Apr 2025 – Oct 2025 0.0039 µg/l 3 Oct 2025
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Oct 2025 – Oct 2025 below 0.01 µg/l 3 Oct 2025
6:6 Perfluorophosphinic acid 2883 River water 1 Oct 2025 – Oct 2025 below 0.004 µg/l 3 Oct 2025
6:8 Perfluorophosphinic acid 2882 River water 1 Oct 2025 – Oct 2025 below 0.01 µg/l 3 Oct 2025
8:2 Fluorotelomer sulfonic acid 2983 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
8:8 Perfluorophosphinic acid 2879 River water 1 Oct 2025 – Oct 2025 below 0.01 µg/l 3 Oct 2025
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 19 Jan 2025 – Aug 2026 71 mg/l 24 Aug 2026
Aluminium, Dissolved 6037 River water 4 Apr 2025 – Jan 2026 66 µg/l 27 Jan 2026
Aminomethylphosphonic acid 7125 River water 12 Apr 2025 – Mar 2026 below 0.1 µg/l 23 Mar 2026
Ammonia un-ionised as N 0119 River water 19 Jan 2025 – Aug 2026 below 0.00067 mg/l 24 Aug 2026
Barium, Dissolved 9446 River water 4 Apr 2025 – Jan 2026 29 µg/l 27 Jan 2026
Boron, Dissolved 9447 River water 4 Apr 2025 – Jan 2026 below 100 µg/l 27 Jan 2026
Cadmium, Dissolved 0106 River water 4 Apr 2025 – Jan 2026 0.064 µg/l 27 Jan 2026
Calcium, Dissolved 0239 River water 4 Apr 2025 – Jan 2026 11 mg/l 27 Jan 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 19 Jan 2025 – Aug 2026 4.4 mg/l 24 Aug 2026
Chloride 0172 River water 19 Jan 2025 – Aug 2026 14 mg/l 24 Aug 2026
Chromium, Dissolved 3409 River water 4 Apr 2025 – Jan 2026 below 0.5 µg/l 27 Jan 2026
Copper : BLM Bioavailable 4821 River water 4 Apr 2025 – Jan 2026 0.13 µg/l 27 Jan 2026
Copper, Dissolved 6450 River water 4 Apr 2025 – Jan 2026 2.5 µg/l 27 Jan 2026
eDNA Report 3047 River water 1 Mar 2025 – Mar 2025 1 text result 14 Mar 2025
Environmental DNA Filtration 3064 River water 1 Mar 2025 – Mar 2025 DNA Stored 14 Mar 2025
Flow Type 2896 River water 18 Jan 2025 – Aug 2026 Moderate Flow 24 Aug 2026
Glyphosate 3007 River water 12 Apr 2025 – Mar 2026 below 0.1 µg/l 23 Mar 2026
Hardness, Calcium 0163 River water 4 Apr 2025 – Jan 2026 27.5 mg/l 27 Jan 2026
Hardness, Total as CaCO3 0158 River water 4 Apr 2025 – Jan 2026 36.5 mg/l 27 Jan 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Hexafluoropropylene oxide trimer acid 2980 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Iron, Dissolved 6460 River water 4 Apr 2025 – Jan 2026 110 µg/l 27 Jan 2026
Lead : BLM Bioavailable 3377 River water 4 Apr 2025 – Jan 2026 0.1 µg/l 27 Jan 2026
Lead, Dissolved 0052 River water 4 Apr 2025 – Jan 2026 0.46 µg/l 27 Jan 2026
Lithium, Dissolved 4201 River water 4 Apr 2025 – Jan 2026 below 100 µg/l 27 Jan 2026
Magnesium, Dissolved 0235 River water 4 Apr 2025 – Jan 2026 2.2 mg/l 27 Jan 2026
Manganese : BLM Bioavailable 4820 River water 4 Apr 2025 – Jan 2026 9.2 µg/l 27 Jan 2026
Manganese, Dissolved 6458 River water 4 Apr 2025 – Jan 2026 27 µg/l 27 Jan 2026
Mitochondrial marker : Fish 12S 2857 River water 1 Mar 2025 – Mar 2025 Not found 14 Mar 2025
N-Ethylperfluorooctanesulfonamide 2977 River water 2 Apr 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
N-methylperfluorooctanesulfonamide 2975 River water 2 Apr 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
Nickel : BLM Bioavailable 3878 River water 4 Apr 2025 – Jan 2026 0.54 µg/l 27 Jan 2026
Nickel, Dissolved 3410 River water 4 Apr 2025 – Jan 2026 1.5 µg/l 27 Jan 2026
Nitrite as N 0118 River water 19 Jan 2025 – Aug 2026 below 0.004 mg/l 24 Aug 2026
Nitrogen, Total as N 9686 River water 19 Jan 2025 – Aug 2026 0.91 mg/l 24 Aug 2026
Nitrogen, Total Oxidised as N 0116 River water 19 Jan 2025 – Aug 2026 0.63 mg/l 24 Aug 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoro-3-methoxypropanoic acid 2921 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorobutanesulfonic acid 2972 River water 2 Apr 2025 – Oct 2025 0.0042 µg/l 3 Oct 2025
Perfluorobutanoic acid 2995 River water 2 Apr 2025 – Oct 2025 0.0018 µg/l 3 Oct 2025
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorodecanesulfonic acid 2969 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorodecanoic acid 8892 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorododecane sulfonic acid 2968 River water 2 Apr 2025 – Oct 2025 below 0.005 µg/l 3 Oct 2025
Perfluorododecanoic acid 8894 River water 2 Apr 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
Perfluoroheptanesulfonic acid 2967 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoroheptanoic acid 8889 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorohexanesulfonamide 2965 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorohexanesulfonic acid (B) 2944 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorohexanesulfonic acid (L) 2964 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorohexanoic acid 8888 River water 2 Apr 2025 – Oct 2025 0.00084 µg/l 3 Oct 2025
Perfluorononanesulfonic acid 2963 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorononanoic acid 8891 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorooctadecanoic acid 2962 River water 2 Apr 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
Perfluorooctanesulfonamide 2961 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorooctanesulfonic acid (branched) 2960 River water 2 Apr 2025 – Oct 2025 0.0021 µg/l 3 Oct 2025
Perfluorooctanesulfonic acid (linear) 2959 River water 2 Apr 2025 – Oct 2025 0.00084 µg/l 3 Oct 2025
Perfluorooctanesulfonic acid (total) 2958 River water 1 Oct 2025 – Oct 2025 0.0029 µg/l 3 Oct 2025
Perfluorooctanoic acid 8890 River water 2 Apr 2025 – Oct 2025 0.0012 µg/l 3 Oct 2025
Perfluoropentanesulfonic acid 2957 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoropentanoic acid 8887 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorotetradecanoic acid 8895 River water 2 Apr 2025 – Oct 2025 below 0.006 µg/l 3 Oct 2025
Perfluorotridecanoic acid 2955 River water 2 Apr 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
Perfluoroundecane sulfonic acid 2953 River water 2 Apr 2025 – Oct 2025 below 0.004 µg/l 3 Oct 2025
Perfluoroundecanoic acid 8893 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Phosphorus, Total as P 0348 River water 19 Jan 2025 – Aug 2026 0.066 mg/l 24 Aug 2026
Potassium, Dissolved 0209 River water 4 Apr 2025 – Jan 2026 1.6 mg/l 27 Jan 2026
Silica, reactive as SiO2 0182 River water 19 Jan 2025 – Aug 2026 8.2 mg/l 24 Aug 2026
Sodium, Dissolved 0205 River water 4 Apr 2025 – Jan 2026 5.9 mg/l 27 Jan 2026
Solids, Suspended at 105 C 0135 River water 19 Jan 2025 – Aug 2026 below 3 mg/l 24 Aug 2026
Strontium, Filtered 6693 River water 4 Apr 2025 – Jan 2026 24 µg/l 27 Jan 2026
Sulphate, Dissolved as SO4 7859 River water 4 Apr 2025 – Jan 2026 11 mg/l 27 Jan 2026
Zinc : BLM Bioavailable 4822 River water 4 Apr 2025 – Jan 2026 2.6 µg/l 27 Jan 2026
Zinc, Dissolved 3408 River water 4 Apr 2025 – Jan 2026 5.5 µg/l 27 Jan 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.