Gullacombe Stream at Pool End

EA name: SSN0280 GULLACOMBE STREAM @ POOL END (also listed as “SSN0280 GULLACOMBE STREAM AT POOL END WOOD”)
Environment Agency sampling point SW-SSN0280 · 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
12 Aug 2026, 10:1550 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
22 since 2 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 233010, 75977As published, to the nearest 1 m. Open in a map
River, by its own name
Gullacombe Stream
River, by the map
An unnamed streamPlaced by position alone (the only river line close by), 0 m from the line.
Next gauge downstream
Bealsmill On the River Inny · 4.0 km along the river
Why it was sampled
Monitoring (national agency policy) (22 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

98.9%

Sampled 12 Aug 2026, 50 days ago · 20 results banked

9698100102104%2024202520262 Jan 2025, 13:32: 99.8%14 Feb 2025, 12:15: 100.6%27 Mar 2025, 12:18: 98.4%11 Apr 2025, 12:52: 98.5%14 May 2025, 11:36: 99.1%24 Jun 2025, 10:21: 98%25 Jul 2025, 10:54: 99.4%28 Aug 2025, 10:49: 102.2%17 Sep 2025, 11:30: 96.9%6 Oct 2025, 12:19: 97.8%6 Nov 2025, 12:00: 99.4%9 Dec 2025, 11:07: 99%27 Jan 2026, 12:08: 98.5%13 Feb 2026, 12:21: 100%27 Mar 2026, 12:51: 102.6%14 Apr 2026, 11:43: 100.8%6 May 2026, 13:09: 98.8%15 Jun 2026, 09:38: 98.5%27 Jul 2026, 11:58: 100.7%12 Aug 2026, 10:15: 98.9%
Every result (20)
SampledResult as publishedReads as
12 Aug 2026, 10:1598.9 98.9%
27 Jul 2026, 11:58100.7 100.7%
15 Jun 2026, 09:3898.5 98.5%
6 May 2026, 13:0998.8 98.8%
14 Apr 2026, 11:43100.8 100.8%
27 Mar 2026, 12:51102.6 102.6%
13 Feb 2026, 12:21100 100%
27 Jan 2026, 12:0898.5 98.5%
9 Dec 2025, 11:0799 99%
6 Nov 2025, 12:0099.4 99.4%
6 Oct 2025, 12:1997.8 97.8%
17 Sep 2025, 11:3096.9 96.9%
28 Aug 2025, 10:49102.2 102.2%
25 Jul 2025, 10:5499.4 99.4%
24 Jun 2025, 10:2198 98%
14 May 2025, 11:3699.1 99.1%
11 Apr 2025, 12:5298.5 98.5%
27 Mar 2025, 12:1898.4 98.4%
14 Feb 2025, 12:15100.6 100.6%
2 Jan 2025, 13:3299.8 99.8%

Dissolved oxygen

as O2 · code 9924 · mg/l

9.97 mg/l

Sampled 12 Aug 2026, 50 days ago · 20 results banked

910111213mg/l2024202520262 Jan 2025, 13:32: 11.8 mg/l14 Feb 2025, 12:15: 12.1 mg/l27 Mar 2025, 12:18: 11.1 mg/l11 Apr 2025, 12:52: 10.6 mg/l14 May 2025, 11:36: 10.4 mg/l24 Jun 2025, 10:21: 10 mg/l25 Jul 2025, 10:54: 10.1 mg/l28 Aug 2025, 10:49: 10.4 mg/l17 Sep 2025, 11:30: 9.89 mg/l6 Oct 2025, 12:19: 10.2 mg/l6 Nov 2025, 12:00: 10.4 mg/l9 Dec 2025, 11:07: 10.7 mg/l27 Jan 2026, 12:08: 11.3 mg/l13 Feb 2026, 12:21: 11.2 mg/l27 Mar 2026, 12:51: 11.2 mg/l14 Apr 2026, 11:43: 11.1 mg/l6 May 2026, 13:09: 10.7 mg/l15 Jun 2026, 09:38: 10.3 mg/l27 Jul 2026, 11:58: 9.91 mg/l12 Aug 2026, 10:15: 9.97 mg/l
Every result (20)
SampledResult as publishedReads as
12 Aug 2026, 10:159.97 9.97 mg/l
27 Jul 2026, 11:589.91 9.91 mg/l
15 Jun 2026, 09:3810.3 10.3 mg/l
6 May 2026, 13:0910.7 10.7 mg/l
14 Apr 2026, 11:4311.1 11.1 mg/l
27 Mar 2026, 12:5111.2 11.2 mg/l
13 Feb 2026, 12:2111.2 11.2 mg/l
27 Jan 2026, 12:0811.3 11.3 mg/l
9 Dec 2025, 11:0710.7 10.7 mg/l
6 Nov 2025, 12:0010.4 10.4 mg/l
6 Oct 2025, 12:1910.2 10.2 mg/l
17 Sep 2025, 11:309.89 9.89 mg/l
28 Aug 2025, 10:4910.4 10.4 mg/l
25 Jul 2025, 10:5410.1 10.1 mg/l
24 Jun 2025, 10:2110 10 mg/l
14 May 2025, 11:3610.4 10.4 mg/l
11 Apr 2025, 12:5210.6 10.6 mg/l
27 Mar 2025, 12:1811.1 11.1 mg/l
14 Feb 2025, 12:1512.1 12.1 mg/l
2 Jan 2025, 13:3211.8 11.8 mg/l

Water temperature

code 0076 · °C

14.9 °C

Sampled 12 Aug 2026, 50 days ago · 20 results banked

57.51012.51517.5°C2024202520262 Jan 2025, 13:32: 8.1 °C14 Feb 2025, 12:15: 7.4 °C27 Mar 2025, 12:18: 10 °C11 Apr 2025, 12:52: 12 °C14 May 2025, 11:36: 12.9 °C24 Jun 2025, 10:21: 14.3 °C25 Jul 2025, 10:54: 14.5 °C28 Aug 2025, 10:49: 14.3 °C17 Sep 2025, 11:30: 14.3 °C6 Oct 2025, 12:19: 13.4 °C6 Nov 2025, 12:00: 13.2 °C9 Dec 2025, 11:07: 11.8 °C27 Jan 2026, 12:08: 9.4 °C13 Feb 2026, 12:21: 10.1 °C27 Mar 2026, 12:51: 11.5 °C14 Apr 2026, 11:43: 10.8 °C6 May 2026, 13:09: 11.8 °C15 Jun 2026, 09:38: 13.3 °C27 Jul 2026, 11:58: 16 °C12 Aug 2026, 10:15: 14.9 °C
Every result (20)
SampledResult as publishedReads as
12 Aug 2026, 10:1514.9 14.9 °C
27 Jul 2026, 11:5816 16 °C
15 Jun 2026, 09:3813.3 13.3 °C
6 May 2026, 13:0911.8 11.8 °C
14 Apr 2026, 11:4310.8 10.8 °C
27 Mar 2026, 12:5111.5 11.5 °C
13 Feb 2026, 12:2110.1 10.1 °C
27 Jan 2026, 12:089.4 9.4 °C
9 Dec 2025, 11:0711.8 11.8 °C
6 Nov 2025, 12:0013.2 13.2 °C
6 Oct 2025, 12:1913.4 13.4 °C
17 Sep 2025, 11:3014.3 14.3 °C
28 Aug 2025, 10:4914.3 14.3 °C
25 Jul 2025, 10:5414.5 14.5 °C
24 Jun 2025, 10:2114.3 14.3 °C
14 May 2025, 11:3612.9 12.9 °C
11 Apr 2025, 12:5212 12 °C
27 Mar 2025, 12:1810 10 °C
14 Feb 2025, 12:157.4 7.4 °C
2 Jan 2025, 13:328.1 8.1 °C

pH

code 0061

7.2

Sampled 12 Aug 2026, 50 days ago · 20 results banked

6.577.582024202520262 Jan 2025, 13:32: 7.5414 Feb 2025, 12:15: 7.527 Mar 2025, 12:18: 7.6411 Apr 2025, 12:52: 7.6814 May 2025, 11:36: 7.5424 Jun 2025, 10:21: 7.5425 Jul 2025, 10:54: 7.7828 Aug 2025, 10:49: 7.6317 Sep 2025, 11:30: 7.636 Oct 2025, 12:19: 7.626 Nov 2025, 12:00: 6.899 Dec 2025, 11:07: 6.7327 Jan 2026, 12:08: 7.0113 Feb 2026, 12:21: 7.4527 Mar 2026, 12:51: 7.6414 Apr 2026, 11:43: 7.356 May 2026, 13:09: 7.5315 Jun 2026, 09:38: 7.5627 Jul 2026, 11:58: 7.6712 Aug 2026, 10:15: 7.2
Every result (20)
SampledResult as publishedReads as
12 Aug 2026, 10:157.2 7.2
27 Jul 2026, 11:587.67 7.67
15 Jun 2026, 09:387.56 7.56
6 May 2026, 13:097.53 7.53
14 Apr 2026, 11:437.35 7.35
27 Mar 2026, 12:517.64 7.64
13 Feb 2026, 12:217.45 7.45
27 Jan 2026, 12:087.01 7.01
9 Dec 2025, 11:076.73 6.73
6 Nov 2025, 12:006.89 6.89
6 Oct 2025, 12:197.62 7.62
17 Sep 2025, 11:307.63 7.63
28 Aug 2025, 10:497.63 7.63
25 Jul 2025, 10:547.78 7.78
24 Jun 2025, 10:217.54 7.54
14 May 2025, 11:367.54 7.54
11 Apr 2025, 12:527.68 7.68
27 Mar 2025, 12:187.64 7.64
14 Feb 2025, 12:157.5 7.5
2 Jan 2025, 13:327.54 7.54

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 12 Aug 2026, 50 days ago · 20 results banked

0.030.0320.0340.036mg/l2024202520262 Jan 2025, 13:32: below 0.03 mg/l (not detected above this)14 Feb 2025, 12:15: below 0.03 mg/l (not detected above this)27 Mar 2025, 12:18: below 0.03 mg/l (not detected above this)11 Apr 2025, 12:52: below 0.03 mg/l (not detected above this)14 May 2025, 11:36: below 0.03 mg/l (not detected above this)24 Jun 2025, 10:21: below 0.03 mg/l (not detected above this)25 Jul 2025, 10:54: below 0.03 mg/l (not detected above this)28 Aug 2025, 10:49: below 0.03 mg/l (not detected above this)17 Sep 2025, 11:30: below 0.03 mg/l (not detected above this)6 Oct 2025, 12:19: below 0.03 mg/l (not detected above this)6 Nov 2025, 12:00: below 0.03 mg/l (not detected above this)9 Dec 2025, 11:07: below 0.03 mg/l (not detected above this)27 Jan 2026, 12:08: 0.036 mg/l13 Feb 2026, 12:21: below 0.03 mg/l (not detected above this)27 Mar 2026, 12:51: below 0.03 mg/l (not detected above this)14 Apr 2026, 11:43: below 0.03 mg/l (not detected above this)6 May 2026, 13:09: below 0.03 mg/l (not detected above this)15 Jun 2026, 09:38: below 0.03 mg/l (not detected above this)27 Jul 2026, 11:58: below 0.03 mg/l (not detected above this)12 Aug 2026, 10:15: below 0.03 mg/l (not detected above this)
Every result (20)
SampledResult as publishedReads as
12 Aug 2026, 10:15<0.03 below 0.03 mg/l (not detected above this)
27 Jul 2026, 11:58<0.03 below 0.03 mg/l (not detected above this)
15 Jun 2026, 09:38<0.03 below 0.03 mg/l (not detected above this)
6 May 2026, 13:09<0.03 below 0.03 mg/l (not detected above this)
14 Apr 2026, 11:43<0.03 below 0.03 mg/l (not detected above this)
27 Mar 2026, 12:51<0.03 below 0.03 mg/l (not detected above this)
13 Feb 2026, 12:21<0.03 below 0.03 mg/l (not detected above this)
27 Jan 2026, 12:080.036 0.036 mg/l
9 Dec 2025, 11:07<0.03 below 0.03 mg/l (not detected above this)
6 Nov 2025, 12:00<0.03 below 0.03 mg/l (not detected above this)
6 Oct 2025, 12:19<0.03 below 0.03 mg/l (not detected above this)
17 Sep 2025, 11:30<0.03 below 0.03 mg/l (not detected above this)
28 Aug 2025, 10:49<0.03 below 0.03 mg/l (not detected above this)
25 Jul 2025, 10:54<0.03 below 0.03 mg/l (not detected above this)
24 Jun 2025, 10:21<0.03 below 0.03 mg/l (not detected above this)
14 May 2025, 11:36<0.03 below 0.03 mg/l (not detected above this)
11 Apr 2025, 12:52<0.03 below 0.03 mg/l (not detected above this)
27 Mar 2025, 12:18<0.03 below 0.03 mg/l (not detected above this)
14 Feb 2025, 12:15<0.03 below 0.03 mg/l (not detected above this)
2 Jan 2025, 13:32<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

1.3 mg/l

Sampled 12 Aug 2026, 50 days ago · 20 results banked

1234mg/l2024202520262 Jan 2025, 13:32: 3.4 mg/l14 Feb 2025, 12:15: 3.4 mg/l27 Mar 2025, 12:18: 2.8 mg/l11 Apr 2025, 12:52: 2.5 mg/l14 May 2025, 11:36: 2.8 mg/l24 Jun 2025, 10:21: 2.4 mg/l25 Jul 2025, 10:54: 1.8 mg/l28 Aug 2025, 10:49: 1.2 mg/l17 Sep 2025, 11:30: 4 mg/l6 Oct 2025, 12:19: 3.2 mg/l6 Nov 2025, 12:00: 3.1 mg/l9 Dec 2025, 11:07: 2.1 mg/l27 Jan 2026, 12:08: 2 mg/l13 Feb 2026, 12:21: 2.7 mg/l27 Mar 2026, 12:51: 2.6 mg/l14 Apr 2026, 11:43: 2 mg/l6 May 2026, 13:09: 2.2 mg/l15 Jun 2026, 09:38: 2.2 mg/l27 Jul 2026, 11:58: 1.6 mg/l12 Aug 2026, 10:15: 1.3 mg/l
Every result (20)
SampledResult as publishedReads as
12 Aug 2026, 10:151.3 1.3 mg/l
27 Jul 2026, 11:581.6 1.6 mg/l
15 Jun 2026, 09:382.2 2.2 mg/l
6 May 2026, 13:092.2 2.2 mg/l
14 Apr 2026, 11:432 2 mg/l
27 Mar 2026, 12:512.6 2.6 mg/l
13 Feb 2026, 12:212.7 2.7 mg/l
27 Jan 2026, 12:082 2 mg/l
9 Dec 2025, 11:072.1 2.1 mg/l
6 Nov 2025, 12:003.1 3.1 mg/l
6 Oct 2025, 12:193.2 3.2 mg/l
17 Sep 2025, 11:304 4 mg/l
28 Aug 2025, 10:491.2 1.2 mg/l
25 Jul 2025, 10:541.8 1.8 mg/l
24 Jun 2025, 10:212.4 2.4 mg/l
14 May 2025, 11:362.8 2.8 mg/l
11 Apr 2025, 12:522.5 2.5 mg/l
27 Mar 2025, 12:182.8 2.8 mg/l
14 Feb 2025, 12:153.4 3.4 mg/l
2 Jan 2025, 13:323.4 3.4 mg/l

Phosphate

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

0.023 mg/l

Sampled 12 Aug 2026, 50 days ago · 20 results banked

0.010.020.030.04mg/l2024202520262 Jan 2025, 13:32: below 0.01 mg/l (not detected above this)14 Feb 2025, 12:15: below 0.01 mg/l (not detected above this)27 Mar 2025, 12:18: below 0.01 mg/l (not detected above this)11 Apr 2025, 12:52: 0.015 mg/l14 May 2025, 11:36: 0.018 mg/l24 Jun 2025, 10:21: 0.029 mg/l25 Jul 2025, 10:54: 0.022 mg/l28 Aug 2025, 10:49: 0.023 mg/l17 Sep 2025, 11:30: 0.021 mg/l6 Oct 2025, 12:19: 0.015 mg/l6 Nov 2025, 12:00: 0.025 mg/l9 Dec 2025, 11:07: 0.034 mg/l27 Jan 2026, 12:08: 0.02 mg/l13 Feb 2026, 12:21: below 0.01 mg/l (not detected above this)27 Mar 2026, 12:51: below 0.01 mg/l (not detected above this)14 Apr 2026, 11:43: 0.012 mg/l6 May 2026, 13:09: 0.011 mg/l15 Jun 2026, 09:38: 0.024 mg/l27 Jul 2026, 11:58: 0.031 mg/l12 Aug 2026, 10:15: 0.023 mg/l
Every result (20)
SampledResult as publishedReads as
12 Aug 2026, 10:150.023 0.023 mg/l
27 Jul 2026, 11:580.031 0.031 mg/l
15 Jun 2026, 09:380.024 0.024 mg/l
6 May 2026, 13:090.011 0.011 mg/l
14 Apr 2026, 11:430.012 0.012 mg/l
27 Mar 2026, 12:51<0.01 below 0.01 mg/l (not detected above this)
13 Feb 2026, 12:21<0.01 below 0.01 mg/l (not detected above this)
27 Jan 2026, 12:080.02 0.02 mg/l
9 Dec 2025, 11:070.034 0.034 mg/l
6 Nov 2025, 12:000.025 0.025 mg/l
6 Oct 2025, 12:190.015 0.015 mg/l
17 Sep 2025, 11:300.021 0.021 mg/l
28 Aug 2025, 10:490.023 0.023 mg/l
25 Jul 2025, 10:540.022 0.022 mg/l
24 Jun 2025, 10:210.029 0.029 mg/l
14 May 2025, 11:360.018 0.018 mg/l
11 Apr 2025, 12:520.015 0.015 mg/l
27 Mar 2025, 12:18<0.01 below 0.01 mg/l (not detected above this)
14 Feb 2025, 12:15<0.01 below 0.01 mg/l (not detected above this)
2 Jan 2025, 13:32<0.01 below 0.01 mg/l (not detected above this)

Conductivity

at 25 °C · code 0077 · µS/cm

159 µS/cm

Sampled 12 Aug 2026, 50 days ago · 20 results banked

100120140160180µS/cm2024202520262 Jan 2025, 13:32: 145 µS/cm14 Feb 2025, 12:15: 173 µS/cm27 Mar 2025, 12:18: 146 µS/cm11 Apr 2025, 12:52: 151 µS/cm14 May 2025, 11:36: 147 µS/cm24 Jun 2025, 10:21: 150 µS/cm25 Jul 2025, 10:54: 156 µS/cm28 Aug 2025, 10:49: 158 µS/cm17 Sep 2025, 11:30: 169 µS/cm6 Oct 2025, 12:19: 149 µS/cm6 Nov 2025, 12:00: 130 µS/cm9 Dec 2025, 11:07: 106 µS/cm27 Jan 2026, 12:08: 108 µS/cm13 Feb 2026, 12:21: 122 µS/cm27 Mar 2026, 12:51: 134 µS/cm14 Apr 2026, 11:43: 147 µS/cm6 May 2026, 13:09: 144 µS/cm15 Jun 2026, 09:38: 149 µS/cm27 Jul 2026, 11:58: 160 µS/cm12 Aug 2026, 10:15: 159 µS/cm
Every result (20)
SampledResult as publishedReads as
12 Aug 2026, 10:15159 159 µS/cm
27 Jul 2026, 11:58160 160 µS/cm
15 Jun 2026, 09:38149 149 µS/cm
6 May 2026, 13:09144 144 µS/cm
14 Apr 2026, 11:43147 147 µS/cm
27 Mar 2026, 12:51134 134 µS/cm
13 Feb 2026, 12:21122 122 µS/cm
27 Jan 2026, 12:08108 108 µS/cm
9 Dec 2025, 11:07106 106 µS/cm
6 Nov 2025, 12:00130 130 µS/cm
6 Oct 2025, 12:19149 149 µS/cm
17 Sep 2025, 11:30169 169 µS/cm
28 Aug 2025, 10:49158 158 µS/cm
25 Jul 2025, 10:54156 156 µS/cm
24 Jun 2025, 10:21150 150 µS/cm
14 May 2025, 11:36147 147 µS/cm
11 Apr 2025, 12:52151 151 µS/cm
27 Mar 2025, 12:18146 146 µS/cm
14 Feb 2025, 12:15173 173 µS/cm
2 Jan 2025, 13:32145 145 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 20 Jan 2025 – Aug 2026 98.9% 12 Aug 2026
Oxygen, Dissolved as O2 9924 River water 20 Jan 2025 – Aug 2026 9.97 mg/l 12 Aug 2026
Temperature of Water 0076 River water 20 Jan 2025 – Aug 2026 14.9 °C 12 Aug 2026
pH 0061 River water 20 Jan 2025 – Aug 2026 7.2 12 Aug 2026
Ammoniacal Nitrogen as N 0111 River water 20 Jan 2025 – Aug 2026 below 0.03 mg/l 12 Aug 2026
Nitrate as N 0117 River water 20 Jan 2025 – Aug 2026 1.3 mg/l 12 Aug 2026
Orthophosphate, reactive as P 0180 River water 20 Jan 2025 – Aug 2026 0.023 mg/l 12 Aug 2026
Conductivity at 25 C 0077 River water 20 Jan 2025 – Aug 2026 159 µS/cm 12 Aug 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Oct 2025 – Oct 2025 below 0.002 µg/l 6 Oct 2025
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 May 2025 – May 2025 below 0.001 µg/l 14 May 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
2H-Perfluoro-2-decenoic acid 2888 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
3-Perfluoroheptylpropanoic acid 2925 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
3:3 Fluorotelomer carboxylic acid 2926 River water 2 May 2025 – Oct 2025 below 0.004 µg/l 6 Oct 2025
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
5:1:2 Fluorotelomer betaine 2887 River water 1 Oct 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
5:3 Fluorotelomer betaine 2886 River water 1 Oct 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
6:2 Fluorotelomer phosphate diester 2986 River water 1 Oct 2025 – Oct 2025 below 0.004 µg/l 6 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 6 Oct 2025
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
6:2 Fluorotelomer sulfonic acid 2984 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Oct 2025 – Oct 2025 below 0.01 µg/l 6 Oct 2025
6:6 Perfluorophosphinic acid 2883 River water 1 Oct 2025 – Oct 2025 below 0.004 µg/l 6 Oct 2025
6:8 Perfluorophosphinic acid 2882 River water 1 Oct 2025 – Oct 2025 below 0.01 µg/l 6 Oct 2025
8:2 Fluorotelomer sulfonic acid 2983 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
8:8 Perfluorophosphinic acid 2879 River water 1 Oct 2025 – Oct 2025 below 0.01 µg/l 6 Oct 2025
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 20 Jan 2025 – Aug 2026 28 mg/l 12 Aug 2026
Aluminium, Dissolved 6037 River water 9 Apr 2025 – Aug 2026 below 20 µg/l 12 Aug 2026
Aminomethylphosphonic acid 7125 River water 16 Apr 2025 – Aug 2026 below 0.1 µg/l 12 Aug 2026
Ammonia un-ionised as N 0119 River water 20 Jan 2025 – Aug 2026 below 0.00013 mg/l 12 Aug 2026
Barium, Dissolved 9446 River water 9 Apr 2025 – Aug 2026 below 10 µg/l 12 Aug 2026
Boron, Dissolved 9447 River water 9 Apr 2025 – Aug 2026 below 100 µg/l 12 Aug 2026
Cadmium, Dissolved 0106 River water 9 Apr 2025 – Aug 2026 below 0.01 µg/l 12 Aug 2026
Calcium, Dissolved 0239 River water 9 Apr 2025 – Aug 2026 11 mg/l 12 Aug 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 19 Jan 2025 – Aug 2026 0.96 mg/l 12 Aug 2026
Chloride 0172 River water 20 Jan 2025 – Aug 2026 17 mg/l 12 Aug 2026
Chromium, Dissolved 3409 River water 9 Apr 2025 – Aug 2026 below 0.5 µg/l 12 Aug 2026
Copper : BLM Bioavailable 4821 River water 8 Apr 2025 – Aug 2026 0.12 µg/l 12 Aug 2026
Copper, Dissolved 6450 River water 9 Apr 2025 – Aug 2026 0.46 µg/l 12 Aug 2026
eDNA Report 3047 River water 2 Jan 2025 – Apr 2025 1 text result 11 Apr 2025
Flow Type 2896 River water 19 Jan 2025 – Aug 2026 Low Flow 12 Aug 2026
Glyphosate 3007 River water 16 Apr 2025 – Aug 2026 below 0.1 µg/l 12 Aug 2026
Hardness, Calcium 0163 River water 9 Apr 2025 – Aug 2026 27.5 mg/l 12 Aug 2026
Hardness, Total as CaCO3 0158 River water 9 Apr 2025 – Aug 2026 43.9 mg/l 12 Aug 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Hexafluoropropylene oxide trimer acid 2980 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Iron, Dissolved 6460 River water 9 Apr 2025 – Aug 2026 46 µg/l 12 Aug 2026
LCMS Screen : Semi Quantitative 7299 River water 3 Jan 2026 – Jul 2026 1 text result 27 Jul 2026
Lead : BLM Bioavailable 3377 River water 8 Apr 2025 – Aug 2026 0.05 µg/l 12 Aug 2026
Lead, Dissolved 0052 River water 9 Apr 2025 – Aug 2026 below 0.1 µg/l 12 Aug 2026
Lithium, Dissolved 4201 River water 9 Apr 2025 – Aug 2026 below 100 µg/l 12 Aug 2026
Magnesium, Dissolved 0235 River water 9 Apr 2025 – Aug 2026 4 mg/l 12 Aug 2026
Manganese : BLM Bioavailable 4820 River water 8 Apr 2025 – Aug 2026 1.1 µg/l 12 Aug 2026
Manganese, Dissolved 6458 River water 9 Apr 2025 – Aug 2026 below 10 µg/l 12 Aug 2026
Mitochondrial marker : Fish 12S 2857 River water 2 Jan 2025 – Apr 2025 Present 11 Apr 2025
N-Ethylperfluorooctanesulfonamide 2977 River water 2 May 2025 – Oct 2025 below 0.002 µg/l 6 Oct 2025
N-methylperfluorooctanesulfonamide 2975 River water 2 May 2025 – Oct 2025 below 0.002 µg/l 6 Oct 2025
Nickel : BLM Bioavailable 3878 River water 8 Apr 2025 – Aug 2026 1.4 µg/l 12 Aug 2026
Nickel, Dissolved 3410 River water 9 Apr 2025 – Aug 2026 2.1 µg/l 12 Aug 2026
Nitrite as N 0118 River water 20 Jan 2025 – Aug 2026 below 0.004 mg/l 12 Aug 2026
Nitrogen, Total as N 9686 River water 20 Jan 2025 – Aug 2026 1.5 mg/l 12 Aug 2026
Nitrogen, Total Oxidised as N 0116 River water 20 Jan 2025 – Aug 2026 1.3 mg/l 12 Aug 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluoro-3-methoxypropanoic acid 2921 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluorobutanesulfonic acid 2972 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Perfluorobutanoic acid 2995 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluorodecanesulfonic acid 2969 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Perfluorodecanoic acid 8892 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Perfluorododecane sulfonic acid 2968 River water 2 May 2025 – Oct 2025 below 0.005 µg/l 6 Oct 2025
Perfluorododecanoic acid 8894 River water 2 May 2025 – Oct 2025 below 0.002 µg/l 6 Oct 2025
Perfluoroheptanesulfonic acid 2967 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluoroheptanoic acid 8889 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Perfluorohexanesulfonamide 2965 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluorohexanesulfonic acid (B) 2944 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluorohexanesulfonic acid (L) 2964 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluorohexanoic acid 8888 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluorononanesulfonic acid 2963 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluorononanoic acid 8891 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Perfluorooctadecanoic acid 2962 River water 2 May 2025 – Oct 2025 below 0.002 µg/l 6 Oct 2025
Perfluorooctanesulfonamide 2961 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Perfluorooctanesulfonic acid (branched) 2960 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluorooctanesulfonic acid (linear) 2959 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluorooctanesulfonic acid (total) 2958 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Perfluorooctanoic acid 8890 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluoropentanesulfonic acid 2957 River water 2 May 2025 – Oct 2025 below 0.0005 µg/l 6 Oct 2025
Perfluoropentanoic acid 8887 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Perfluorotetradecanoic acid 8895 River water 1 Oct 2025 – Oct 2025 below 0.006 µg/l 6 Oct 2025
Perfluorotridecanoic acid 2955 River water 2 May 2025 – Oct 2025 below 0.002 µg/l 6 Oct 2025
Perfluoroundecane sulfonic acid 2953 River water 2 May 2025 – Oct 2025 below 0.004 µg/l 6 Oct 2025
Perfluoroundecanoic acid 8893 River water 2 May 2025 – Oct 2025 below 0.001 µg/l 6 Oct 2025
Phosphorus, Total as P 0348 River water 20 Jan 2025 – Aug 2026 0.03 mg/l 12 Aug 2026
Potassium, Dissolved 0209 River water 9 Apr 2025 – Aug 2026 1.6 mg/l 12 Aug 2026
Silica, reactive as SiO2 0182 River water 19 Jan 2025 – Jul 2026 8.6 mg/l 27 Jul 2026
Sodium, Dissolved 0205 River water 9 Apr 2025 – Aug 2026 11 mg/l 12 Aug 2026
Solids, Suspended at 105 C 0135 River water 20 Jan 2025 – Aug 2026 below 3 mg/l 12 Aug 2026
Strontium, Filtered 6693 River water 9 Apr 2025 – Aug 2026 26 µg/l 12 Aug 2026
Sulphate, Dissolved as SO4 7859 River water 9 Apr 2025 – Aug 2026 14 mg/l 12 Aug 2026
Zinc : BLM Bioavailable 4822 River water 8 Apr 2025 – Aug 2026 2.5 µg/l 12 Aug 2026
Zinc, Dissolved 3408 River water 9 Apr 2025 – Aug 2026 2.5 µg/l 12 Aug 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.