River Churnet - Churnet Mouth

EA name: RIVER CHURNET - CHURNET MOUTH
Environment Agency sampling point MD-56082020 · 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
20 May 2026, 13:184 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
22 since 17 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 409990, 337629As published, to the nearest 1 m. Open in a map
River, by its own name
Churnet
River, by the map
River ChurnetPlaced on the river its name gives, 5 m from the line.
Next gauge downstream
Doveridge On the River Dove · 7.2 km along the river
Nearest gauge upstream
Quixhill On the River Churnet · 7.0 km along the river
Why it was sampled
Monitoring (national agency policy) (22 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

99.8%

Sampled 20 May 2026, 4 months ago · 22 results banked

90100110120%20242025202617 Jun 2024, 11:09: 99.2%15 Jul 2024, 14:32: 103.4%23 Aug 2024, 10:53: 96.6%27 Sep 2024, 09:43: 90.4%15 Oct 2024, 09:46: 95.1%20 Nov 2024, 08:49: 95.3%6 Dec 2024, 10:08: 95.6%12 Dec 2024, 12:26: 97.5%28 Jan 2025, 10:38: 98.6%11 Feb 2025, 10:07: 98.3%10 Apr 2025, 11:47: 115.4%7 May 2025, 13:03: 113%2 Jun 2025, 08:53: 101.6%1 Jul 2025, 10:41: 97.5%15 Aug 2025, 13:28: 112.5%23 Sep 2025, 08:25: 94.3%13 Oct 2025, 11:48: 97.5%26 Nov 2025, 11:33: 95.6%17 Dec 2025, 11:09: 98.2%2 Feb 2026, 11:12: 98.5%5 Mar 2026, 09:47: 97.5%20 May 2026, 13:18: 99.8%
Every result (22)
SampledResult as publishedReads as
20 May 2026, 13:1899.8 99.8%
5 Mar 2026, 09:4797.5 97.5%
2 Feb 2026, 11:1298.5 98.5%
17 Dec 2025, 11:0998.2 98.2%
26 Nov 2025, 11:3395.6 95.6%
13 Oct 2025, 11:4897.5 97.5%
23 Sep 2025, 08:2594.3 94.3%
15 Aug 2025, 13:28112.5 112.5%
1 Jul 2025, 10:4197.5 97.5%
2 Jun 2025, 08:53101.6 101.6%
7 May 2025, 13:03113 113%
10 Apr 2025, 11:47115.4 115.4%
11 Feb 2025, 10:0798.3 98.3%
28 Jan 2025, 10:3898.6 98.6%
12 Dec 2024, 12:2697.5 97.5%
6 Dec 2024, 10:0895.6 95.6%
20 Nov 2024, 08:4995.3 95.3%
15 Oct 2024, 09:4695.1 95.1%
27 Sep 2024, 09:4390.4 90.4%
23 Aug 2024, 10:5396.6 96.6%
15 Jul 2024, 14:32103.4 103.4%
17 Jun 2024, 11:0999.2 99.2%

Dissolved oxygen

as O2 · code 9924 · mg/l

10.5 mg/l

Sampled 20 May 2026, 4 months ago · 22 results banked

910111213mg/l20242025202617 Jun 2024, 11:09: 10.5 mg/l15 Jul 2024, 14:32: 10.4 mg/l23 Aug 2024, 10:53: 9.84 mg/l27 Sep 2024, 09:43: 9.83 mg/l15 Oct 2024, 09:46: 10.8 mg/l20 Nov 2024, 08:49: 12.2 mg/l6 Dec 2024, 10:08: 11.5 mg/l12 Dec 2024, 12:26: 11.9 mg/l28 Jan 2025, 10:38: 12.4 mg/l11 Feb 2025, 10:07: 12.5 mg/l10 Apr 2025, 11:47: 13 mg/l7 May 2025, 13:03: 12 mg/l2 Jun 2025, 08:53: 10.6 mg/l1 Jul 2025, 10:41: 9.08 mg/l15 Aug 2025, 13:28: 10.5 mg/l23 Sep 2025, 08:25: 10.9 mg/l13 Oct 2025, 11:48: 10.6 mg/l26 Nov 2025, 11:33: 12.4 mg/l17 Dec 2025, 11:09: 12 mg/l2 Feb 2026, 11:12: 12.1 mg/l5 Mar 2026, 09:47: 11.5 mg/l20 May 2026, 13:18: 10.5 mg/l
Every result (22)
SampledResult as publishedReads as
20 May 2026, 13:1810.5 10.5 mg/l
5 Mar 2026, 09:4711.5 11.5 mg/l
2 Feb 2026, 11:1212.1 12.1 mg/l
17 Dec 2025, 11:0912 12 mg/l
26 Nov 2025, 11:3312.4 12.4 mg/l
13 Oct 2025, 11:4810.6 10.6 mg/l
23 Sep 2025, 08:2510.9 10.9 mg/l
15 Aug 2025, 13:2810.5 10.5 mg/l
1 Jul 2025, 10:419.08 9.08 mg/l
2 Jun 2025, 08:5310.6 10.6 mg/l
7 May 2025, 13:0312 12 mg/l
10 Apr 2025, 11:4713 13 mg/l
11 Feb 2025, 10:0712.5 12.5 mg/l
28 Jan 2025, 10:3812.4 12.4 mg/l
12 Dec 2024, 12:2611.9 11.9 mg/l
6 Dec 2024, 10:0811.5 11.5 mg/l
20 Nov 2024, 08:4912.2 12.2 mg/l
15 Oct 2024, 09:4610.8 10.8 mg/l
27 Sep 2024, 09:439.83 9.83 mg/l
23 Aug 2024, 10:539.84 9.84 mg/l
15 Jul 2024, 14:3210.4 10.4 mg/l
17 Jun 2024, 11:0910.5 10.5 mg/l

Water temperature

code 0076 · °C

12.9 °C

Sampled 20 May 2026, 4 months ago · 22 results banked

05101520°C20242025202617 Jun 2024, 11:09: 12.7 °C15 Jul 2024, 14:32: 15.1 °C23 Aug 2024, 10:53: 14.4 °C27 Sep 2024, 09:43: 11.5 °C15 Oct 2024, 09:46: 9.6 °C20 Nov 2024, 08:49: 4.8 °C6 Dec 2024, 10:08: 7.2 °C12 Dec 2024, 12:26: 6.6 °C28 Jan 2025, 10:38: 5.5 °C11 Feb 2025, 10:07: 5.2 °C10 Apr 2025, 11:47: 10.1 °C7 May 2025, 13:03: 12.6 °C2 Jun 2025, 08:53: 13.2 °C1 Jul 2025, 10:41: 18.7 °C15 Aug 2025, 13:28: 18.5 °C23 Sep 2025, 08:25: 9.1 °C13 Oct 2025, 11:48: 11.4 °C26 Nov 2025, 11:33: 4.3 °C17 Dec 2025, 11:09: 6.6 °C2 Feb 2026, 11:12: 6.5 °C5 Mar 2026, 09:47: 8.2 °C20 May 2026, 13:18: 12.9 °C
Every result (22)
SampledResult as publishedReads as
20 May 2026, 13:1812.9 12.9 °C
5 Mar 2026, 09:478.2 8.2 °C
2 Feb 2026, 11:126.5 6.5 °C
17 Dec 2025, 11:096.6 6.6 °C
26 Nov 2025, 11:334.3 4.3 °C
13 Oct 2025, 11:4811.4 11.4 °C
23 Sep 2025, 08:259.1 9.1 °C
15 Aug 2025, 13:2818.5 18.5 °C
1 Jul 2025, 10:4118.7 18.7 °C
2 Jun 2025, 08:5313.2 13.2 °C
7 May 2025, 13:0312.6 12.6 °C
10 Apr 2025, 11:4710.1 10.1 °C
11 Feb 2025, 10:075.2 5.2 °C
28 Jan 2025, 10:385.5 5.5 °C
12 Dec 2024, 12:266.6 6.6 °C
6 Dec 2024, 10:087.2 7.2 °C
20 Nov 2024, 08:494.8 4.8 °C
15 Oct 2024, 09:469.6 9.6 °C
27 Sep 2024, 09:4311.5 11.5 °C
23 Aug 2024, 10:5314.4 14.4 °C
15 Jul 2024, 14:3215.1 15.1 °C
17 Jun 2024, 11:0912.7 12.7 °C

pH

code 0061

8.19

Sampled 20 May 2026, 4 months ago · 22 results banked

77.588.520242025202617 Jun 2024, 11:09: 8.0115 Jul 2024, 14:32: 8.1923 Aug 2024, 10:53: 7.9627 Sep 2024, 09:43: 7.8315 Oct 2024, 09:46: 7.7920 Nov 2024, 08:49: 7.826 Dec 2024, 10:08: 7.9312 Dec 2024, 12:26: 7.3728 Jan 2025, 10:38: 7.9511 Feb 2025, 10:07: 7.8810 Apr 2025, 11:47: 8.467 May 2025, 13:03: 8.342 Jun 2025, 08:53: 7.971 Jul 2025, 10:41: 7.9815 Aug 2025, 13:28: 8.1723 Sep 2025, 08:25: 7.813 Oct 2025, 11:48: 7.8126 Nov 2025, 11:33: 7.9317 Dec 2025, 11:09: 7.642 Feb 2026, 11:12: 7.845 Mar 2026, 09:47: 7.7620 May 2026, 13:18: 8.19
Every result (22)
SampledResult as publishedReads as
20 May 2026, 13:188.19 8.19
5 Mar 2026, 09:477.76 7.76
2 Feb 2026, 11:127.84 7.84
17 Dec 2025, 11:097.64 7.64
26 Nov 2025, 11:337.93 7.93
13 Oct 2025, 11:487.81 7.81
23 Sep 2025, 08:257.8 7.8
15 Aug 2025, 13:288.17 8.17
1 Jul 2025, 10:417.98 7.98
2 Jun 2025, 08:537.97 7.97
7 May 2025, 13:038.34 8.34
10 Apr 2025, 11:478.46 8.46
11 Feb 2025, 10:077.88 7.88
28 Jan 2025, 10:387.95 7.95
12 Dec 2024, 12:267.37 7.37
6 Dec 2024, 10:087.93 7.93
20 Nov 2024, 08:497.82 7.82
15 Oct 2024, 09:467.79 7.79
27 Sep 2024, 09:437.83 7.83
23 Aug 2024, 10:537.96 7.96
15 Jul 2024, 14:328.19 8.19
17 Jun 2024, 11:098.01 8.01

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 20 May 2026, 4 months ago · 21 results banked

00.050.10.15mg/l20242025202617 Jun 2024, 11:09: below 0.03 mg/l (not detected above this)15 Jul 2024, 14:32: below 0.03 mg/l (not detected above this)23 Aug 2024, 10:53: below 0.03 mg/l (not detected above this)27 Sep 2024, 09:43: below 0.03 mg/l (not detected above this)15 Oct 2024, 09:46: below 0.03 mg/l (not detected above this)20 Nov 2024, 08:49: below 0.03 mg/l (not detected above this)12 Dec 2024, 12:26: 0.06 mg/l28 Jan 2025, 10:38: 0.079 mg/l11 Feb 2025, 10:07: 0.046 mg/l10 Apr 2025, 11:47: below 0.03 mg/l (not detected above this)7 May 2025, 13:03: below 0.03 mg/l (not detected above this)2 Jun 2025, 08:53: 0.03 mg/l1 Jul 2025, 10:41: below 0.03 mg/l (not detected above this)15 Aug 2025, 13:28: below 0.03 mg/l (not detected above this)23 Sep 2025, 08:25: 0.068 mg/l13 Oct 2025, 11:48: below 0.03 mg/l (not detected above this)26 Nov 2025, 11:33: 0.068 mg/l17 Dec 2025, 11:09: 0.053 mg/l2 Feb 2026, 11:12: 0.071 mg/l5 Mar 2026, 09:47: 0.15 mg/l20 May 2026, 13:18: below 0.03 mg/l (not detected above this)
Every result (21)
SampledResult as publishedReads as
20 May 2026, 13:18<0.03 below 0.03 mg/l (not detected above this)
5 Mar 2026, 09:470.15 0.15 mg/l
2 Feb 2026, 11:120.071 0.071 mg/l
17 Dec 2025, 11:090.053 0.053 mg/l
26 Nov 2025, 11:330.068 0.068 mg/l
13 Oct 2025, 11:48<0.03 below 0.03 mg/l (not detected above this)
23 Sep 2025, 08:250.068 0.068 mg/l
15 Aug 2025, 13:28<0.03 below 0.03 mg/l (not detected above this)
1 Jul 2025, 10:41<0.03 below 0.03 mg/l (not detected above this)
2 Jun 2025, 08:530.03 0.03 mg/l
7 May 2025, 13:03<0.03 below 0.03 mg/l (not detected above this)
10 Apr 2025, 11:47<0.03 below 0.03 mg/l (not detected above this)
11 Feb 2025, 10:070.046 0.046 mg/l
28 Jan 2025, 10:380.079 0.079 mg/l
12 Dec 2024, 12:260.06 0.06 mg/l
20 Nov 2024, 08:49<0.03 below 0.03 mg/l (not detected above this)
15 Oct 2024, 09:46<0.03 below 0.03 mg/l (not detected above this)
27 Sep 2024, 09:43<0.03 below 0.03 mg/l (not detected above this)
23 Aug 2024, 10:53<0.03 below 0.03 mg/l (not detected above this)
15 Jul 2024, 14:32<0.03 below 0.03 mg/l (not detected above this)
17 Jun 2024, 11:09<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

2.59 mg/l

Sampled 20 May 2026, 4 months ago · 21 results banked

22.533.5mg/l20242025202617 Jun 2024, 11:09: 3.09 mg/l15 Jul 2024, 14:32: 2.89 mg/l23 Aug 2024, 10:53: 3 mg/l27 Sep 2024, 09:43: 2.59 mg/l15 Oct 2024, 09:46: 2.49 mg/l20 Nov 2024, 08:49: 2.79 mg/l12 Dec 2024, 12:26: 2.48 mg/l28 Jan 2025, 10:38: 2.08 mg/l11 Feb 2025, 10:07: 3.48 mg/l10 Apr 2025, 11:47: 3.19 mg/l7 May 2025, 13:03: 3.19 mg/l2 Jun 2025, 08:53: 2.98 mg/l1 Jul 2025, 10:41: 2.99 mg/l15 Aug 2025, 13:28: 2.99 mg/l23 Sep 2025, 08:25: 3.38 mg/l13 Oct 2025, 11:48: 3.29 mg/l26 Nov 2025, 11:33: 2.68 mg/l17 Dec 2025, 11:09: 2.28 mg/l2 Feb 2026, 11:12: 2.39 mg/l5 Mar 2026, 09:47: 2.86 mg/l20 May 2026, 13:18: 2.59 mg/l
Every result (21)
SampledResult as publishedReads as
20 May 2026, 13:182.59 2.59 mg/l
5 Mar 2026, 09:472.86 2.86 mg/l
2 Feb 2026, 11:122.39 2.39 mg/l
17 Dec 2025, 11:092.28 2.28 mg/l
26 Nov 2025, 11:332.68 2.68 mg/l
13 Oct 2025, 11:483.29 3.29 mg/l
23 Sep 2025, 08:253.38 3.38 mg/l
15 Aug 2025, 13:282.99 2.99 mg/l
1 Jul 2025, 10:412.99 2.99 mg/l
2 Jun 2025, 08:532.98 2.98 mg/l
7 May 2025, 13:033.19 3.19 mg/l
10 Apr 2025, 11:473.19 3.19 mg/l
11 Feb 2025, 10:073.48 3.48 mg/l
28 Jan 2025, 10:382.08 2.08 mg/l
12 Dec 2024, 12:262.48 2.48 mg/l
20 Nov 2024, 08:492.79 2.79 mg/l
15 Oct 2024, 09:462.49 2.49 mg/l
27 Sep 2024, 09:432.59 2.59 mg/l
23 Aug 2024, 10:533 3 mg/l
15 Jul 2024, 14:322.89 2.89 mg/l
17 Jun 2024, 11:093.09 3.09 mg/l

Phosphate

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

0.046 mg/l

Sampled 20 May 2026, 4 months ago · 21 results banked

00.050.10.150.2mg/l20242025202617 Jun 2024, 11:09: 0.075 mg/l15 Jul 2024, 14:32: 0.096 mg/l23 Aug 2024, 10:53: 0.12 mg/l27 Sep 2024, 09:43: 0.097 mg/l15 Oct 2024, 09:46: 0.074 mg/l20 Nov 2024, 08:49: 0.071 mg/l12 Dec 2024, 12:26: 0.042 mg/l28 Jan 2025, 10:38: 0.075 mg/l11 Feb 2025, 10:07: 0.056 mg/l10 Apr 2025, 11:47: below 0.01 mg/l (not detected above this)7 May 2025, 13:03: 0.038 mg/l2 Jun 2025, 08:53: 0.07 mg/l1 Jul 2025, 10:41: 0.055 mg/l15 Aug 2025, 13:28: 0.063 mg/l23 Sep 2025, 08:25: 0.075 mg/l13 Oct 2025, 11:48: 0.058 mg/l26 Nov 2025, 11:33: 0.046 mg/l17 Dec 2025, 11:09: 0.054 mg/l2 Feb 2026, 11:12: 0.05 mg/l5 Mar 2026, 09:47: 0.17 mg/l20 May 2026, 13:18: 0.046 mg/l
Every result (21)
SampledResult as publishedReads as
20 May 2026, 13:180.046 0.046 mg/l
5 Mar 2026, 09:470.17 0.17 mg/l
2 Feb 2026, 11:120.05 0.05 mg/l
17 Dec 2025, 11:090.054 0.054 mg/l
26 Nov 2025, 11:330.046 0.046 mg/l
13 Oct 2025, 11:480.058 0.058 mg/l
23 Sep 2025, 08:250.075 0.075 mg/l
15 Aug 2025, 13:280.063 0.063 mg/l
1 Jul 2025, 10:410.055 0.055 mg/l
2 Jun 2025, 08:530.07 0.07 mg/l
7 May 2025, 13:030.038 0.038 mg/l
10 Apr 2025, 11:47<0.01 below 0.01 mg/l (not detected above this)
11 Feb 2025, 10:070.056 0.056 mg/l
28 Jan 2025, 10:380.075 0.075 mg/l
12 Dec 2024, 12:260.042 0.042 mg/l
20 Nov 2024, 08:490.071 0.071 mg/l
15 Oct 2024, 09:460.074 0.074 mg/l
27 Sep 2024, 09:430.097 0.097 mg/l
23 Aug 2024, 10:530.12 0.12 mg/l
15 Jul 2024, 14:320.096 0.096 mg/l
17 Jun 2024, 11:090.075 0.075 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

385 µS/cm

Sampled 20 May 2026, 4 months ago · 22 results banked

200300400500µS/cm20242025202617 Jun 2024, 11:09: 408 µS/cm15 Jul 2024, 14:32: 437 µS/cm23 Aug 2024, 10:53: 421 µS/cm27 Sep 2024, 09:43: 356 µS/cm15 Oct 2024, 09:46: 367 µS/cm20 Nov 2024, 08:49: 439 µS/cm6 Dec 2024, 10:08: 210 µS/cm12 Dec 2024, 12:26: 320 µS/cm28 Jan 2025, 10:38: 288 µS/cm11 Feb 2025, 10:07: 437 µS/cm10 Apr 2025, 11:47: 459 µS/cm7 May 2025, 13:03: 454 µS/cm2 Jun 2025, 08:53: 468 µS/cm1 Jul 2025, 10:41: 479 µS/cm15 Aug 2025, 13:28: 485 µS/cm23 Sep 2025, 08:25: 378 µS/cm13 Oct 2025, 11:48: 481 µS/cm26 Nov 2025, 11:33: 368 µS/cm17 Dec 2025, 11:09: 258 µS/cm2 Feb 2026, 11:12: 289 µS/cm5 Mar 2026, 09:47: 343 µS/cm20 May 2026, 13:18: 385 µS/cm
Every result (22)
SampledResult as publishedReads as
20 May 2026, 13:18385 385 µS/cm
5 Mar 2026, 09:47343 343 µS/cm
2 Feb 2026, 11:12289 289 µS/cm
17 Dec 2025, 11:09258 258 µS/cm
26 Nov 2025, 11:33368 368 µS/cm
13 Oct 2025, 11:48481 481 µS/cm
23 Sep 2025, 08:25378 378 µS/cm
15 Aug 2025, 13:28485 485 µS/cm
1 Jul 2025, 10:41479 479 µS/cm
2 Jun 2025, 08:53468 468 µS/cm
7 May 2025, 13:03454 454 µS/cm
10 Apr 2025, 11:47459 459 µS/cm
11 Feb 2025, 10:07437 437 µS/cm
28 Jan 2025, 10:38288 288 µS/cm
12 Dec 2024, 12:26320 320 µS/cm
6 Dec 2024, 10:08210 210 µS/cm
20 Nov 2024, 08:49439 439 µS/cm
15 Oct 2024, 09:46367 367 µS/cm
27 Sep 2024, 09:43356 356 µS/cm
23 Aug 2024, 10:53421 421 µS/cm
15 Jul 2024, 14:32437 437 µS/cm
17 Jun 2024, 11:09408 408 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 Jun 2024 – May 2026 99.8% 20 May 2026
Oxygen, Dissolved as O2 9924 River water 22 Jun 2024 – May 2026 10.5 mg/l 20 May 2026
Temperature of Water 0076 River water 22 Jun 2024 – May 2026 12.9 °C 20 May 2026
pH 0061 River water 22 Jun 2024 – May 2026 8.19 20 May 2026
Ammoniacal Nitrogen as N 0111 River water 21 Jun 2024 – May 2026 below 0.03 mg/l 20 May 2026
Nitrate as N 0117 River water 21 Jun 2024 – May 2026 2.59 mg/l 20 May 2026
Orthophosphate, reactive as P 0180 River water 21 Jun 2024 – May 2026 0.046 mg/l 20 May 2026
Conductivity at 25 C 0077 River water 22 Jun 2024 – May 2026 385 µS/cm 20 May 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 20 Nov 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 20 Nov 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 20 Nov 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 20 Nov 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 20 Nov 2024
3-Perfluoroheptylpropanoic acid 2925 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
3:3 Fluorotelomer carboxylic acid 2926 River water 1 Nov 2024 – Nov 2024 below 0.004 µg/l 20 Nov 2024
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 Nov 2024 – Nov 2024 below 0.005 µg/l 20 Nov 2024
4:2 Fluorotelomer sulfonic acid 2987 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
6:2 Fluorotelomer sulfonic acid 2984 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 20 Nov 2024
8:2 Fluorotelomer sulfonic acid 2983 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 20 Nov 2024
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Alkalinity to pH 4.5 as CaCO3 0162 River water 21 Jun 2024 – May 2026 97 mg/l 20 May 2026
Ammonia un-ionised as N 0119 River water 21 Jun 2024 – May 2026 below 0.00068 mg/l 20 May 2026
BOD : 5 Day ATU 0085 River water 21 Jun 2024 – May 2026 3 mg/l 20 May 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 20 Nov 2024
N-Ethylperfluorooctanesulfonamide 2977 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 20 Nov 2024
N-methylperfluorooctanesulfonamide 2975 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 20 Nov 2024
Nitrite as N 0118 River water 21 Jun 2024 – May 2026 0.012 mg/l 20 May 2026
Nitrogen, Total Oxidised as N 0116 River water 21 Jun 2024 – May 2026 2.6 mg/l 20 May 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Perfluoro-3-methoxypropanoic acid 2921 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Perfluorobutanesulfonic acid 2972 River water 1 Nov 2024 – Nov 2024 0.0013 µg/l 20 Nov 2024
Perfluorobutanoic acid 2995 River water 1 Nov 2024 – Nov 2024 0.0024 µg/l 20 Nov 2024
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 Nov 2024 – Nov 2024 0.00052 µg/l 20 Nov 2024
Perfluorodecanesulfonic acid 2969 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 20 Nov 2024
Perfluorodecanoic acid 8892 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 20 Nov 2024
Perfluorododecane sulfonic acid 2968 River water 1 Nov 2024 – Nov 2024 below 0.005 µg/l 20 Nov 2024
Perfluorododecanoic acid 8894 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 20 Nov 2024
Perfluoroheptanesulfonic acid 2967 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Perfluoroheptanoic acid 8889 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 20 Nov 2024
Perfluorohexanesulfonamide 2965 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Perfluorohexanesulfonic acid (B) 2944 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Perfluorohexanesulfonic acid (L) 2964 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Perfluorohexanoic acid 8888 River water 1 Nov 2024 – Nov 2024 0.001 µg/l 20 Nov 2024
Perfluorononanesulfonic acid 2963 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Perfluorononanoic acid 8891 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 20 Nov 2024
Perfluorooctadecanoic acid 2962 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 20 Nov 2024
Perfluorooctanesulfonamide 2961 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 20 Nov 2024
Perfluorooctanesulfonic acid (branched) 2960 River water 1 Nov 2024 – Nov 2024 0.001 µg/l 20 Nov 2024
Perfluorooctanesulfonic acid (linear) 2959 River water 1 Nov 2024 – Nov 2024 0.00095 µg/l 20 Nov 2024
Perfluorooctanoic acid 8890 River water 1 Nov 2024 – Nov 2024 0.0017 µg/l 20 Nov 2024
Perfluoropentanesulfonic acid 2957 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 20 Nov 2024
Perfluoropentanoic acid 8887 River water 1 Nov 2024 – Nov 2024 0.0011 µg/l 20 Nov 2024
Perfluorotetradecanoic acid 8895 River water 1 Nov 2024 – Nov 2024 below 0.006 µg/l 20 Nov 2024
Perfluorotridecanoic acid 2955 River water 1 Nov 2024 – Nov 2024 below 0.005 µg/l 20 Nov 2024
Perfluoroundecane sulfonic acid 2953 River water 1 Nov 2024 – Nov 2024 below 0.004 µg/l 20 Nov 2024
Perfluoroundecanoic acid 8893 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 20 Nov 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.