Trout Beck at Kirkby Thore

EA name: TROUT BECK AT KIRKBY THORE
Environment Agency sampling point NW-88006197 · 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
6 May 2026, 11:515 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone). Not sampled since, as far as the archive shows: the Environment Agency was asked up to 30 Sep 2026 and had nothing newer.
Samples banked
23 since 21 Jun 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 363530, 525256As published, to the nearest 1 m. Open in a map
River, by its own name
Trout Beck
River, by the map
Trout BeckPlaced on the river its name gives, 15 m from the line.
Next gauge downstream
Temple Sowerby On the River Eden · 6.5 km along the river
Why it was sampled
Monitoring (national agency policy) (23 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

115.8%

Sampled 6 May 2026, 5 months ago · 22 results banked

95100105110115120%20242025202618 Jul 2024, 11:27: 103.8%29 Aug 2024, 14:52: 102.6%27 Sep 2024, 12:23: 99.4%18 Oct 2024, 09:27: 97.3%18 Nov 2024, 12:42: 100.8%2 Dec 2024, 11:56: 98.5%21 Jan 2025, 09:45: 99.7%17 Feb 2025, 12:41: 102.7%4 Mar 2025, 09:36: 102.1%2 Apr 2025, 12:14: 112.9%6 May 2025, 11:15: 110.4%26 Jun 2025, 14:00: 108.9%30 Jul 2025, 11:54: 104.2%20 Aug 2025, 13:15: 114.2%11 Sep 2025, 12:19: 99.8%9 Oct 2025, 12:52: 98.7%10 Nov 2025, 13:22: 98.6%9 Dec 2025, 10:10: 98.8%2 Jan 2026, 10:01: 98.4%25 Feb 2026, 16:09: 100.7%18 Mar 2026, 09:50: 100.4%6 May 2026, 11:51: 115.8%
Every result (22)
SampledResult as publishedReads as
6 May 2026, 11:51115.8 115.8%
18 Mar 2026, 09:50100.4 100.4%
25 Feb 2026, 16:09100.7 100.7%
2 Jan 2026, 10:0198.4 98.4%
9 Dec 2025, 10:1098.8 98.8%
10 Nov 2025, 13:2298.6 98.6%
9 Oct 2025, 12:5298.7 98.7%
11 Sep 2025, 12:1999.8 99.8%
20 Aug 2025, 13:15114.2 114.2%
30 Jul 2025, 11:54104.2 104.2%
26 Jun 2025, 14:00108.9 108.9%
6 May 2025, 11:15110.4 110.4%
2 Apr 2025, 12:14112.9 112.9%
4 Mar 2025, 09:36102.1 102.1%
17 Feb 2025, 12:41102.7 102.7%
21 Jan 2025, 09:4599.7 99.7%
2 Dec 2024, 11:5698.5 98.5%
18 Nov 2024, 12:42100.8 100.8%
18 Oct 2024, 09:2797.3 97.3%
27 Sep 2024, 12:2399.4 99.4%
29 Aug 2024, 14:52102.6 102.6%
18 Jul 2024, 11:27103.8 103.8%

Dissolved oxygen

as O2 · code 9924 · mg/l

13.2 mg/l

Sampled 6 May 2026, 5 months ago · 22 results banked

1011121314mg/l20242025202618 Jul 2024, 11:27: 10.6 mg/l29 Aug 2024, 14:52: 10.8 mg/l27 Sep 2024, 12:23: 11.4 mg/l18 Oct 2024, 09:27: 10.9 mg/l18 Nov 2024, 12:42: 12.7 mg/l2 Dec 2024, 11:56: 11.7 mg/l21 Jan 2025, 09:45: 12.5 mg/l17 Feb 2025, 12:41: 13.4 mg/l4 Mar 2025, 09:36: 12.3 mg/l2 Apr 2025, 12:14: 13.1 mg/l6 May 2025, 11:15: 12.6 mg/l26 Jun 2025, 14:00: 11 mg/l30 Jul 2025, 11:54: 10.7 mg/l20 Aug 2025, 13:15: 11.6 mg/l11 Sep 2025, 12:19: 10.7 mg/l9 Oct 2025, 12:52: 10.7 mg/l10 Nov 2025, 13:22: 11 mg/l9 Dec 2025, 10:10: 11.4 mg/l2 Jan 2026, 10:01: 13.2 mg/l25 Feb 2026, 16:09: 11.8 mg/l18 Mar 2026, 09:50: 11.7 mg/l6 May 2026, 11:51: 13.2 mg/l
Every result (22)
SampledResult as publishedReads as
6 May 2026, 11:5113.2 13.2 mg/l
18 Mar 2026, 09:5011.7 11.7 mg/l
25 Feb 2026, 16:0911.8 11.8 mg/l
2 Jan 2026, 10:0113.2 13.2 mg/l
9 Dec 2025, 10:1011.4 11.4 mg/l
10 Nov 2025, 13:2211 11 mg/l
9 Oct 2025, 12:5210.7 10.7 mg/l
11 Sep 2025, 12:1910.7 10.7 mg/l
20 Aug 2025, 13:1511.6 11.6 mg/l
30 Jul 2025, 11:5410.7 10.7 mg/l
26 Jun 2025, 14:0011 11 mg/l
6 May 2025, 11:1512.6 12.6 mg/l
2 Apr 2025, 12:1413.1 13.1 mg/l
4 Mar 2025, 09:3612.3 12.3 mg/l
17 Feb 2025, 12:4113.4 13.4 mg/l
21 Jan 2025, 09:4512.5 12.5 mg/l
2 Dec 2024, 11:5611.7 11.7 mg/l
18 Nov 2024, 12:4212.7 12.7 mg/l
18 Oct 2024, 09:2710.9 10.9 mg/l
27 Sep 2024, 12:2311.4 11.4 mg/l
29 Aug 2024, 14:5210.8 10.8 mg/l
18 Jul 2024, 11:2710.6 10.6 mg/l

Water temperature

code 0076 · °C

9.5 °C

Sampled 6 May 2026, 5 months ago · 22 results banked

051015°C20242025202618 Jul 2024, 11:27: 14.2 °C29 Aug 2024, 14:52: 13.1 °C27 Sep 2024, 12:23: 9.2 °C18 Oct 2024, 09:27: 10.3 °C18 Nov 2024, 12:42: 5.4 °C2 Dec 2024, 11:56: 7.9 °C21 Jan 2025, 09:45: 5.8 °C17 Feb 2025, 12:41: 4 °C4 Mar 2025, 09:36: 7.1 °C2 Apr 2025, 12:14: 8.7 °C6 May 2025, 11:15: 9.6 °C26 Jun 2025, 14:00: 14.9 °C30 Jul 2025, 11:54: 14.1 °C20 Aug 2025, 13:15: 14.4 °C11 Sep 2025, 12:19: 12.3 °C9 Oct 2025, 12:52: 11.7 °C10 Nov 2025, 13:22: 10.4 °C9 Dec 2025, 10:10: 9 °C2 Jan 2026, 10:01: 3.1 °C25 Feb 2026, 16:09: 8.3 °C18 Mar 2026, 09:50: 8.7 °C6 May 2026, 11:51: 9.5 °C
Every result (22)
SampledResult as publishedReads as
6 May 2026, 11:519.5 9.5 °C
18 Mar 2026, 09:508.7 8.7 °C
25 Feb 2026, 16:098.3 8.3 °C
2 Jan 2026, 10:013.1 3.1 °C
9 Dec 2025, 10:109 9 °C
10 Nov 2025, 13:2210.4 10.4 °C
9 Oct 2025, 12:5211.7 11.7 °C
11 Sep 2025, 12:1912.3 12.3 °C
20 Aug 2025, 13:1514.4 14.4 °C
30 Jul 2025, 11:5414.1 14.1 °C
26 Jun 2025, 14:0014.9 14.9 °C
6 May 2025, 11:159.6 9.6 °C
2 Apr 2025, 12:148.7 8.7 °C
4 Mar 2025, 09:367.1 7.1 °C
17 Feb 2025, 12:414 4 °C
21 Jan 2025, 09:455.8 5.8 °C
2 Dec 2024, 11:567.9 7.9 °C
18 Nov 2024, 12:425.4 5.4 °C
18 Oct 2024, 09:2710.3 10.3 °C
27 Sep 2024, 12:239.2 9.2 °C
29 Aug 2024, 14:5213.1 13.1 °C
18 Jul 2024, 11:2714.2 14.2 °C

pH

code 0061

8.37

Sampled 6 May 2026, 5 months ago · 22 results banked

7.67.888.28.420242025202618 Jul 2024, 11:27: 8.0729 Aug 2024, 14:52: 8.1527 Sep 2024, 12:23: 7.8418 Oct 2024, 09:27: 7.6918 Nov 2024, 12:42: 7.972 Dec 2024, 11:56: 7.8421 Jan 2025, 09:45: 7.8517 Feb 2025, 12:41: 8.134 Mar 2025, 09:36: 8.122 Apr 2025, 12:14: 8.346 May 2025, 11:15: 8.2126 Jun 2025, 14:00: 8.2930 Jul 2025, 11:54: 8.1720 Aug 2025, 13:15: 8.3811 Sep 2025, 12:19: 8.269 Oct 2025, 12:52: 8.1610 Nov 2025, 13:22: 7.99 Dec 2025, 10:10: 7.612 Jan 2026, 10:01: 7.8525 Feb 2026, 16:09: 7.8418 Mar 2026, 09:50: 7.986 May 2026, 11:51: 8.37
Every result (22)
SampledResult as publishedReads as
6 May 2026, 11:518.37 8.37
18 Mar 2026, 09:507.98 7.98
25 Feb 2026, 16:097.84 7.84
2 Jan 2026, 10:017.85 7.85
9 Dec 2025, 10:107.61 7.61
10 Nov 2025, 13:227.9 7.9
9 Oct 2025, 12:528.16 8.16
11 Sep 2025, 12:198.26 8.26
20 Aug 2025, 13:158.38 8.38
30 Jul 2025, 11:548.17 8.17
26 Jun 2025, 14:008.29 8.29
6 May 2025, 11:158.21 8.21
2 Apr 2025, 12:148.34 8.34
4 Mar 2025, 09:368.12 8.12
17 Feb 2025, 12:418.13 8.13
21 Jan 2025, 09:457.85 7.85
2 Dec 2024, 11:567.84 7.84
18 Nov 2024, 12:427.97 7.97
18 Oct 2024, 09:277.69 7.69
27 Sep 2024, 12:237.84 7.84
29 Aug 2024, 14:528.15 8.15
18 Jul 2024, 11:278.07 8.07

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.011 mg/l

Sampled 6 May 2026, 5 months ago · 23 results banked

00.020.040.060.08mg/l20242025202621 Jun 2024, 15:28: 0.029 mg/l18 Jul 2024, 11:27: 0.022 mg/l29 Aug 2024, 14:52: 0.015 mg/l27 Sep 2024, 12:23: 0.016 mg/l18 Oct 2024, 09:27: 0.025 mg/l18 Nov 2024, 12:42: 0.019 mg/l2 Dec 2024, 11:56: 0.057 mg/l21 Jan 2025, 09:45: 0.039 mg/l17 Feb 2025, 12:41: 0.032 mg/l4 Mar 2025, 09:36: 0.015 mg/l2 Apr 2025, 12:14: 0.016 mg/l6 May 2025, 11:15: 0.027 mg/l26 Jun 2025, 14:00: 0.023 mg/l30 Jul 2025, 11:54: 0.004 mg/l20 Aug 2025, 13:15: 0.037 mg/l11 Sep 2025, 12:19: 0.032 mg/l9 Oct 2025, 12:52: 0.014 mg/l10 Nov 2025, 13:22: 0.023 mg/l9 Dec 2025, 10:10: 0.071 mg/l2 Jan 2026, 10:01: 0.043 mg/l25 Feb 2026, 16:09: 0.016 mg/l18 Mar 2026, 09:50: 0.016 mg/l6 May 2026, 11:51: 0.011 mg/l
Every result (23)
SampledResult as publishedReads as
6 May 2026, 11:510.011 0.011 mg/l
18 Mar 2026, 09:500.016 0.016 mg/l
25 Feb 2026, 16:090.016 0.016 mg/l
2 Jan 2026, 10:010.043 0.043 mg/l
9 Dec 2025, 10:100.071 0.071 mg/l
10 Nov 2025, 13:220.023 0.023 mg/l
9 Oct 2025, 12:520.014 0.014 mg/l
11 Sep 2025, 12:190.032 0.032 mg/l
20 Aug 2025, 13:150.037 0.037 mg/l
30 Jul 2025, 11:540.004 0.004 mg/l
26 Jun 2025, 14:000.023 0.023 mg/l
6 May 2025, 11:150.027 0.027 mg/l
2 Apr 2025, 12:140.016 0.016 mg/l
4 Mar 2025, 09:360.015 0.015 mg/l
17 Feb 2025, 12:410.032 0.032 mg/l
21 Jan 2025, 09:450.039 0.039 mg/l
2 Dec 2024, 11:560.057 0.057 mg/l
18 Nov 2024, 12:420.019 0.019 mg/l
18 Oct 2024, 09:270.025 0.025 mg/l
27 Sep 2024, 12:230.016 0.016 mg/l
29 Aug 2024, 14:520.015 0.015 mg/l
18 Jul 2024, 11:270.022 0.022 mg/l
21 Jun 2024, 15:280.029 0.029 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

2.59 mg/l

Sampled 6 May 2026, 5 months ago · 23 results banked

01234mg/l20242025202621 Jun 2024, 15:28: 2.19 mg/l18 Jul 2024, 11:27: 1.89 mg/l29 Aug 2024, 14:52: 1.7 mg/l27 Sep 2024, 12:23: 0.967 mg/l18 Oct 2024, 09:27: 1.1 mg/l18 Nov 2024, 12:42: 2.09 mg/l2 Dec 2024, 11:56: 1.39 mg/l21 Jan 2025, 09:45: 2.09 mg/l17 Feb 2025, 12:41: 2.39 mg/l4 Mar 2025, 09:36: 2.1 mg/l2 Apr 2025, 12:14: 2.79 mg/l6 May 2025, 11:15: 3.18 mg/l26 Jun 2025, 14:00: 2.78 mg/l30 Jul 2025, 11:54: 2.59 mg/l20 Aug 2025, 13:15: 2.88 mg/l11 Sep 2025, 12:19: 2.49 mg/l9 Oct 2025, 12:52: 1.59 mg/l10 Nov 2025, 13:22: 1.19 mg/l9 Dec 2025, 10:10: 1.59 mg/l2 Jan 2026, 10:01: 2.29 mg/l25 Feb 2026, 16:09: 1.7 mg/l18 Mar 2026, 09:50: 1.89 mg/l6 May 2026, 11:51: 2.59 mg/l
Every result (23)
SampledResult as publishedReads as
6 May 2026, 11:512.59 2.59 mg/l
18 Mar 2026, 09:501.89 1.89 mg/l
25 Feb 2026, 16:091.7 1.7 mg/l
2 Jan 2026, 10:012.29 2.29 mg/l
9 Dec 2025, 10:101.59 1.59 mg/l
10 Nov 2025, 13:221.19 1.19 mg/l
9 Oct 2025, 12:521.59 1.59 mg/l
11 Sep 2025, 12:192.49 2.49 mg/l
20 Aug 2025, 13:152.88 2.88 mg/l
30 Jul 2025, 11:542.59 2.59 mg/l
26 Jun 2025, 14:002.78 2.78 mg/l
6 May 2025, 11:153.18 3.18 mg/l
2 Apr 2025, 12:142.79 2.79 mg/l
4 Mar 2025, 09:362.1 2.1 mg/l
17 Feb 2025, 12:412.39 2.39 mg/l
21 Jan 2025, 09:452.09 2.09 mg/l
2 Dec 2024, 11:561.39 1.39 mg/l
18 Nov 2024, 12:422.09 2.09 mg/l
18 Oct 2024, 09:271.1 1.1 mg/l
27 Sep 2024, 12:230.967 0.967 mg/l
29 Aug 2024, 14:521.7 1.7 mg/l
18 Jul 2024, 11:271.89 1.89 mg/l
21 Jun 2024, 15:282.19 2.19 mg/l

Phosphate

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

0.013 mg/l

Sampled 6 May 2026, 5 months ago · 23 results banked

00.020.040.06mg/l20242025202621 Jun 2024, 15:28: 0.024 mg/l18 Jul 2024, 11:27: 0.024 mg/l29 Aug 2024, 14:52: 0.023 mg/l27 Sep 2024, 12:23: 0.018 mg/l18 Oct 2024, 09:27: 0.039 mg/l18 Nov 2024, 12:42: 0.026 mg/l2 Dec 2024, 11:56: 0.027 mg/l21 Jan 2025, 09:45: 0.021 mg/l17 Feb 2025, 12:41: 0.023 mg/l4 Mar 2025, 09:36: 0.018 mg/l2 Apr 2025, 12:14: 0.016 mg/l6 May 2025, 11:15: 0.021 mg/l26 Jun 2025, 14:00: 0.046 mg/l30 Jul 2025, 11:54: 0.032 mg/l20 Aug 2025, 13:15: 0.029 mg/l11 Sep 2025, 12:19: 0.038 mg/l9 Oct 2025, 12:52: 0.022 mg/l10 Nov 2025, 13:22: 0.02 mg/l9 Dec 2025, 10:10: 0.06 mg/l2 Jan 2026, 10:01: 0.025 mg/l25 Feb 2026, 16:09: 0.017 mg/l18 Mar 2026, 09:50: 0.018 mg/l6 May 2026, 11:51: 0.013 mg/l
Every result (23)
SampledResult as publishedReads as
6 May 2026, 11:510.013 0.013 mg/l
18 Mar 2026, 09:500.018 0.018 mg/l
25 Feb 2026, 16:090.017 0.017 mg/l
2 Jan 2026, 10:010.025 0.025 mg/l
9 Dec 2025, 10:100.06 0.06 mg/l
10 Nov 2025, 13:220.02 0.02 mg/l
9 Oct 2025, 12:520.022 0.022 mg/l
11 Sep 2025, 12:190.038 0.038 mg/l
20 Aug 2025, 13:150.029 0.029 mg/l
30 Jul 2025, 11:540.032 0.032 mg/l
26 Jun 2025, 14:000.046 0.046 mg/l
6 May 2025, 11:150.021 0.021 mg/l
2 Apr 2025, 12:140.016 0.016 mg/l
4 Mar 2025, 09:360.018 0.018 mg/l
17 Feb 2025, 12:410.023 0.023 mg/l
21 Jan 2025, 09:450.021 0.021 mg/l
2 Dec 2024, 11:560.027 0.027 mg/l
18 Nov 2024, 12:420.026 0.026 mg/l
18 Oct 2024, 09:270.039 0.039 mg/l
27 Sep 2024, 12:230.018 0.018 mg/l
29 Aug 2024, 14:520.023 0.023 mg/l
18 Jul 2024, 11:270.024 0.024 mg/l
21 Jun 2024, 15:280.024 0.024 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

566 µS/cm

Sampled 6 May 2026, 5 months ago · 22 results banked

0200400600800µS/cm20242025202618 Jul 2024, 11:27: 168 µS/cm29 Aug 2024, 14:52: 383 µS/cm27 Sep 2024, 12:23: 249 µS/cm18 Oct 2024, 09:27: 247 µS/cm18 Nov 2024, 12:42: 437 µS/cm2 Dec 2024, 11:56: 313 µS/cm21 Jan 2025, 09:45: 416 µS/cm17 Feb 2025, 12:41: 467 µS/cm4 Mar 2025, 09:36: 399 µS/cm2 Apr 2025, 12:14: 541 µS/cm6 May 2025, 11:15: 554 µS/cm26 Jun 2025, 14:00: 593 µS/cm30 Jul 2025, 11:54: 727 µS/cm20 Aug 2025, 13:15: 795 µS/cm11 Sep 2025, 12:19: 746 µS/cm9 Oct 2025, 12:52: 372 µS/cm10 Nov 2025, 13:22: 236 µS/cm9 Dec 2025, 10:10: 215 µS/cm2 Jan 2026, 10:01: 475 µS/cm25 Feb 2026, 16:09: 290 µS/cm18 Mar 2026, 09:50: 381 µS/cm6 May 2026, 11:51: 566 µS/cm
Every result (22)
SampledResult as publishedReads as
6 May 2026, 11:51566 566 µS/cm
18 Mar 2026, 09:50381 381 µS/cm
25 Feb 2026, 16:09290 290 µS/cm
2 Jan 2026, 10:01475 475 µS/cm
9 Dec 2025, 10:10215 215 µS/cm
10 Nov 2025, 13:22236 236 µS/cm
9 Oct 2025, 12:52372 372 µS/cm
11 Sep 2025, 12:19746 746 µS/cm
20 Aug 2025, 13:15795 795 µS/cm
30 Jul 2025, 11:54727 727 µS/cm
26 Jun 2025, 14:00593 593 µS/cm
6 May 2025, 11:15554 554 µS/cm
2 Apr 2025, 12:14541 541 µS/cm
4 Mar 2025, 09:36399 399 µS/cm
17 Feb 2025, 12:41467 467 µS/cm
21 Jan 2025, 09:45416 416 µS/cm
2 Dec 2024, 11:56313 313 µS/cm
18 Nov 2024, 12:42437 437 µS/cm
18 Oct 2024, 09:27247 247 µS/cm
27 Sep 2024, 12:23249 249 µS/cm
29 Aug 2024, 14:52383 383 µS/cm
18 Jul 2024, 11:27168 168 µS/cm

Everything measured here

60 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 60 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 22 Jul 2024 – May 2026 115.8% 6 May 2026
Oxygen, Dissolved as O2 9924 River water 22 Jul 2024 – May 2026 13.2 mg/l 6 May 2026
Temperature of Water 0076 River water 22 Jul 2024 – May 2026 9.5 °C 6 May 2026
pH 0061 River water 22 Jul 2024 – May 2026 8.37 6 May 2026
Ammoniacal Nitrogen as N 0111 River water 23 Jun 2024 – May 2026 0.011 mg/l 6 May 2026
Nitrate as N 0117 River water 23 Jun 2024 – May 2026 2.59 mg/l 6 May 2026
Orthophosphate, reactive as P 0180 River water 23 Jun 2024 – May 2026 0.013 mg/l 6 May 2026
Conductivity at 25 C 0077 River water 22 Jul 2024 – May 2026 566 µS/cm 6 May 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 Dec 2024 – Dec 2024 below 0.001 µg/l 2 Dec 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Dec 2024 – Dec 2024 below 0.001 µg/l 2 Dec 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 Dec 2024 – Dec 2024 below 0.001 µg/l 2 Dec 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 Dec 2024 – Dec 2024 below 0.002 µg/l 2 Dec 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 Dec 2024 – Dec 2024 below 0.001 µg/l 2 Dec 2024
3-Perfluoroheptylpropanoic acid 2925 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
3:3 Fluorotelomer carboxylic acid 2926 River water 1 Dec 2024 – Dec 2024 below 0.004 µg/l 2 Dec 2024
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 Dec 2024 – Dec 2024 below 0.005 µg/l 2 Dec 2024
4:2 Fluorotelomer sulfonic acid 2987 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
6:2 Fluorotelomer sulfonic acid 2984 River water 1 Dec 2024 – Dec 2024 below 0.001 µg/l 2 Dec 2024
8:2 Fluorotelomer sulfonic acid 2983 River water 1 Dec 2024 – Dec 2024 below 0.001 µg/l 2 Dec 2024
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
Alkalinity to pH 4.5 as CaCO3 0162 River water 23 Jun 2024 – May 2026 120 mg/l 6 May 2026
Ammonia un-ionised as N 0119 River water 22 Jul 2024 – May 2026 0.00019 mg/l 6 May 2026
BOD : 5 Day ATU 0085 River water 23 Jun 2024 – May 2026 1.2 mg/l 6 May 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 Dec 2024 – Dec 2024 below 0.001 µg/l 2 Dec 2024
N-Ethylperfluorooctanesulfonamide 2977 River water 1 Dec 2024 – Dec 2024 below 0.002 µg/l 2 Dec 2024
N-methylperfluorooctanesulfonamide 2975 River water 1 Dec 2024 – Dec 2024 below 0.002 µg/l 2 Dec 2024
Nitrite as N 0118 River water 23 Jun 2024 – May 2026 0.0082 mg/l 6 May 2026
Nitrogen, Total Oxidised as N 0116 River water 23 Jun 2024 – May 2026 2.6 mg/l 6 May 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
Perfluoro-3-methoxypropanoic acid 2921 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
Perfluorobutanesulfonic acid 2972 River water 1 Dec 2024 – Dec 2024 0.0016 µg/l 2 Dec 2024
Perfluorobutanoic acid 2995 River water 1 Dec 2024 – Dec 2024 0.0018 µg/l 2 Dec 2024
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
Perfluorodecanesulfonic acid 2969 River water 1 Dec 2024 – Dec 2024 below 0.002 µg/l 2 Dec 2024
Perfluorodecanoic acid 8892 River water 1 Dec 2024 – Dec 2024 below 0.002 µg/l 2 Dec 2024
Perfluorododecane sulfonic acid 2968 River water 1 Dec 2024 – Dec 2024 below 0.005 µg/l 2 Dec 2024
Perfluorododecanoic acid 8894 River water 1 Dec 2024 – Dec 2024 below 0.002 µg/l 2 Dec 2024
Perfluoroheptanesulfonic acid 2967 River water 1 Dec 2024 – Dec 2024 0.0014 µg/l 2 Dec 2024
Perfluoroheptanoic acid 8889 River water 1 Dec 2024 – Dec 2024 0.002 µg/l 2 Dec 2024
Perfluorohexanesulfonamide 2965 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
Perfluorohexanesulfonic acid (B) 2944 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
Perfluorohexanesulfonic acid (L) 2964 River water 1 Dec 2024 – Dec 2024 0.0019 µg/l 2 Dec 2024
Perfluorohexanoic acid 8888 River water 1 Dec 2024 – Dec 2024 0.0013 µg/l 2 Dec 2024
Perfluorononanesulfonic acid 2963 River water 1 Dec 2024 – Dec 2024 0.00077 µg/l 2 Dec 2024
Perfluorononanoic acid 8891 River water 1 Dec 2024 – Dec 2024 below 0.001 µg/l 2 Dec 2024
Perfluorooctadecanoic acid 2962 River water 1 Dec 2024 – Dec 2024 below 0.002 µg/l 2 Dec 2024
Perfluorooctanesulfonamide 2961 River water 1 Dec 2024 – Dec 2024 below 0.001 µg/l 2 Dec 2024
Perfluorooctanesulfonic acid (branched) 2960 River water 1 Dec 2024 – Dec 2024 below 0.0005 µg/l 2 Dec 2024
Perfluorooctanesulfonic acid (linear) 2959 River water 1 Dec 2024 – Dec 2024 0.0014 µg/l 2 Dec 2024
Perfluorooctanoic acid 8890 River water 1 Dec 2024 – Dec 2024 0.0018 µg/l 2 Dec 2024
Perfluoropentanesulfonic acid 2957 River water 1 Dec 2024 – Dec 2024 0.0012 µg/l 2 Dec 2024
Perfluoropentanoic acid 8887 River water 1 Dec 2024 – Dec 2024 0.0021 µg/l 2 Dec 2024
Perfluorotetradecanoic acid 8895 River water 1 Dec 2024 – Dec 2024 below 0.006 µg/l 2 Dec 2024
Perfluorotridecanoic acid 2955 River water 1 Dec 2024 – Dec 2024 below 0.005 µg/l 2 Dec 2024
Perfluoroundecane sulfonic acid 2953 River water 1 Dec 2024 – Dec 2024 below 0.004 µg/l 2 Dec 2024
Perfluoroundecanoic acid 8893 River water 1 Dec 2024 – Dec 2024 below 0.002 µg/l 2 Dec 2024

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.