River Dane at Dane Bridge Northwich

EA name: RIVER DANE AT DANE BRIDGE NORTHWICH
Environment Agency sampling point NW-88000822 · 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
13 Aug 2026, 09:5649 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
22 since 18 Oct 2023 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Environmental monitoring statutory (EU directives)
Where
National Grid 365895, 373768As published, to the nearest 1 m. Open in a map
River, by its own name
Dane
River, by the map
River DanePlaced on the river its name gives, 3 m from the line.
Next gauge downstream
None tracedThe map stops before any gauge.
Nearest gauge upstream
Rudheath On the River Dane · 5.6 km along the river
Why it was sampled
Monitoring (national agency policy) (18 samples)
Environmental monitoring statutory (EU directives) (4 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

84.7%

Sampled 13 Aug 2026, 49 days ago · 22 results banked

80859095100%20242025202618 Oct 2023, 12:50: 93.7%22 Nov 2023, 12:09: 93.5%7 Dec 2023, 13:19: 96.5%18 Jan 2024, 12:43: 92.7%20 Feb 2024, 12:13: 92%19 Mar 2024, 12:27: 92.4%15 Apr 2024, 09:39: 91.4%14 May 2024, 15:41: 89.1%19 Jun 2024, 14:54: 96.4%22 Jul 2024, 14:08: 88.9%29 Aug 2024, 13:13: 89.7%18 Sep 2024, 15:20: 94.2%16 Oct 2024, 11:50: 91.6%22 Nov 2024, 11:22: 93%3 Dec 2024, 14:09: 96.1%22 Jan 2025, 14:39: 95.6%11 Feb 2025, 14:38: 95%6 Mar 2025, 12:14: 92.7%9 Apr 2026, 11:47: 94.9%27 May 2026, 11:50: 81.3%2 Jul 2026, 12:25: 89.1%13 Aug 2026, 09:56: 84.7%
Every result (22)
SampledResult as publishedReads as
13 Aug 2026, 09:5684.7 84.7%
2 Jul 2026, 12:2589.1 89.1%
27 May 2026, 11:5081.3 81.3%
9 Apr 2026, 11:4794.9 94.9%
6 Mar 2025, 12:1492.7 92.7%
11 Feb 2025, 14:3895 95%
22 Jan 2025, 14:3995.6 95.6%
3 Dec 2024, 14:0996.1 96.1%
22 Nov 2024, 11:2293 93%
16 Oct 2024, 11:5091.6 91.6%
18 Sep 2024, 15:2094.2 94.2%
29 Aug 2024, 13:1389.7 89.7%
22 Jul 2024, 14:0888.9 88.9%
19 Jun 2024, 14:5496.4 96.4%
14 May 2024, 15:4189.1 89.1%
15 Apr 2024, 09:3991.4 91.4%
19 Mar 2024, 12:2792.4 92.4%
20 Feb 2024, 12:1392 92%
18 Jan 2024, 12:4392.7 92.7%
7 Dec 2023, 13:1996.5 96.5%
22 Nov 2023, 12:0993.5 93.5%
18 Oct 2023, 12:5093.7 93.7%

Dissolved oxygen

as O2 · code 9924 · mg/l

7.83 mg/l

Sampled 13 Aug 2026, 49 days ago · 22 results banked

68101214mg/l20242025202618 Oct 2023, 12:50: 10.4 mg/l22 Nov 2023, 12:09: 10.8 mg/l7 Dec 2023, 13:19: 12.3 mg/l18 Jan 2024, 12:43: 12.8 mg/l20 Feb 2024, 12:13: 10.7 mg/l19 Mar 2024, 12:27: 10.3 mg/l15 Apr 2024, 09:39: 10.3 mg/l14 May 2024, 15:41: 8.72 mg/l19 Jun 2024, 14:54: 9.63 mg/l22 Jul 2024, 14:08: 8.38 mg/l29 Aug 2024, 13:13: 8.87 mg/l18 Sep 2024, 15:20: 9.62 mg/l16 Oct 2024, 11:50: 9.92 mg/l22 Nov 2024, 11:22: 12 mg/l3 Dec 2024, 14:09: 11.4 mg/l22 Jan 2025, 14:39: 11.9 mg/l11 Feb 2025, 14:38: 12 mg/l6 Mar 2025, 12:14: 11.2 mg/l9 Apr 2026, 11:47: 10.1 mg/l27 May 2026, 11:50: 7.3 mg/l2 Jul 2026, 12:25: 8.35 mg/l13 Aug 2026, 09:56: 7.83 mg/l
Every result (22)
SampledResult as publishedReads as
13 Aug 2026, 09:567.83 7.83 mg/l
2 Jul 2026, 12:258.35 8.35 mg/l
27 May 2026, 11:507.3 7.3 mg/l
9 Apr 2026, 11:4710.1 10.1 mg/l
6 Mar 2025, 12:1411.2 11.2 mg/l
11 Feb 2025, 14:3812 12 mg/l
22 Jan 2025, 14:3911.9 11.9 mg/l
3 Dec 2024, 14:0911.4 11.4 mg/l
22 Nov 2024, 11:2212 12 mg/l
16 Oct 2024, 11:509.92 9.92 mg/l
18 Sep 2024, 15:209.62 9.62 mg/l
29 Aug 2024, 13:138.87 8.87 mg/l
22 Jul 2024, 14:088.38 8.38 mg/l
19 Jun 2024, 14:549.63 9.63 mg/l
14 May 2024, 15:418.72 8.72 mg/l
15 Apr 2024, 09:3910.3 10.3 mg/l
19 Mar 2024, 12:2710.3 10.3 mg/l
20 Feb 2024, 12:1310.7 10.7 mg/l
18 Jan 2024, 12:4312.8 12.8 mg/l
7 Dec 2023, 13:1912.3 12.3 mg/l
22 Nov 2023, 12:0910.8 10.8 mg/l
18 Oct 2023, 12:5010.4 10.4 mg/l

Water temperature

code 0076 · °C

18.9 °C

Sampled 13 Aug 2026, 49 days ago · 22 results banked

0510152025°C20242025202618 Oct 2023, 12:50: 10.6 °C22 Nov 2023, 12:09: 9 °C7 Dec 2023, 13:19: 4.9 °C18 Jan 2024, 12:43: 1.9 °C20 Feb 2024, 12:13: 8.8 °C19 Mar 2024, 12:27: 10.6 °C15 Apr 2024, 09:39: 9.9 °C14 May 2024, 15:41: 16.3 °C19 Jun 2024, 14:54: 15.3 °C22 Jul 2024, 14:08: 18.1 °C29 Aug 2024, 13:13: 15.8 °C18 Sep 2024, 15:20: 14.3 °C16 Oct 2024, 11:50: 11.7 °C22 Nov 2024, 11:22: 4.5 °C3 Dec 2024, 14:09: 7.7 °C22 Jan 2025, 14:39: 5.8 °C11 Feb 2025, 14:38: 5.4 °C6 Mar 2025, 12:14: 7.3 °C9 Apr 2026, 11:47: 12.3 °C27 May 2026, 11:50: 20.4 °C2 Jul 2026, 12:25: 18.3 °C13 Aug 2026, 09:56: 18.9 °C
Every result (22)
SampledResult as publishedReads as
13 Aug 2026, 09:5618.9 18.9 °C
2 Jul 2026, 12:2518.3 18.3 °C
27 May 2026, 11:5020.4 20.4 °C
9 Apr 2026, 11:4712.3 12.3 °C
6 Mar 2025, 12:147.3 7.3 °C
11 Feb 2025, 14:385.4 5.4 °C
22 Jan 2025, 14:395.8 5.8 °C
3 Dec 2024, 14:097.7 7.7 °C
22 Nov 2024, 11:224.5 4.5 °C
16 Oct 2024, 11:5011.7 11.7 °C
18 Sep 2024, 15:2014.3 14.3 °C
29 Aug 2024, 13:1315.8 15.8 °C
22 Jul 2024, 14:0818.1 18.1 °C
19 Jun 2024, 14:5415.3 15.3 °C
14 May 2024, 15:4116.3 16.3 °C
15 Apr 2024, 09:399.9 9.9 °C
19 Mar 2024, 12:2710.6 10.6 °C
20 Feb 2024, 12:138.8 8.8 °C
18 Jan 2024, 12:431.9 1.9 °C
7 Dec 2023, 13:194.9 4.9 °C
22 Nov 2023, 12:099 9 °C
18 Oct 2023, 12:5010.6 10.6 °C

pH

code 0061

7.77

Sampled 13 Aug 2026, 49 days ago · 22 results banked

7.67.888.220242025202618 Oct 2023, 12:50: 7.8422 Nov 2023, 12:09: 7.837 Dec 2023, 13:19: 7.7618 Jan 2024, 12:43: 7.720 Feb 2024, 12:13: 7.6319 Mar 2024, 12:27: 7.9315 Apr 2024, 09:39: 7.7714 May 2024, 15:41: 7.8219 Jun 2024, 14:54: 7.9122 Jul 2024, 14:08: 7.8529 Aug 2024, 13:13: 7.8518 Sep 2024, 15:20: 7.8816 Oct 2024, 11:50: 7.7822 Nov 2024, 11:22: 7.793 Dec 2024, 14:09: 7.8622 Jan 2025, 14:39: 8.0511 Feb 2025, 14:38: 7.946 Mar 2025, 12:14: 8.059 Apr 2026, 11:47: 8.127 May 2026, 11:50: 7.762 Jul 2026, 12:25: 7.8613 Aug 2026, 09:56: 7.77
Every result (22)
SampledResult as publishedReads as
13 Aug 2026, 09:567.77 7.77
2 Jul 2026, 12:257.86 7.86
27 May 2026, 11:507.76 7.76
9 Apr 2026, 11:478.1 8.1
6 Mar 2025, 12:148.05 8.05
11 Feb 2025, 14:387.94 7.94
22 Jan 2025, 14:398.05 8.05
3 Dec 2024, 14:097.86 7.86
22 Nov 2024, 11:227.79 7.79
16 Oct 2024, 11:507.78 7.78
18 Sep 2024, 15:207.88 7.88
29 Aug 2024, 13:137.85 7.85
22 Jul 2024, 14:087.85 7.85
19 Jun 2024, 14:547.91 7.91
14 May 2024, 15:417.82 7.82
15 Apr 2024, 09:397.77 7.77
19 Mar 2024, 12:277.93 7.93
20 Feb 2024, 12:137.63 7.63
18 Jan 2024, 12:437.7 7.7
7 Dec 2023, 13:197.76 7.76
22 Nov 2023, 12:097.83 7.83
18 Oct 2023, 12:507.84 7.84

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 13 Aug 2026, 49 days ago · 22 results banked

00.10.20.30.40.5mg/l20242025202618 Oct 2023, 12:50: 0.068 mg/l22 Nov 2023, 12:09: 0.081 mg/l7 Dec 2023, 13:19: 0.19 mg/l18 Jan 2024, 12:43: 0.29 mg/l20 Feb 2024, 12:13: 0.12 mg/l19 Mar 2024, 12:27: 0.11 mg/l15 Apr 2024, 09:39: 0.077 mg/l14 May 2024, 15:41: 0.056 mg/l19 Jun 2024, 14:54: 0.034 mg/l22 Jul 2024, 14:08: 0.037 mg/l29 Aug 2024, 13:13: below 0.03 mg/l (not detected above this)18 Sep 2024, 15:20: below 0.03 mg/l (not detected above this)16 Oct 2024, 11:50: below 0.03 mg/l (not detected above this)22 Nov 2024, 11:22: 0.23 mg/l3 Dec 2024, 14:09: 0.087 mg/l22 Jan 2025, 14:39: 0.16 mg/l11 Feb 2025, 14:38: 0.18 mg/l6 Mar 2025, 12:14: 0.43 mg/l9 Apr 2026, 11:47: below 0.03 mg/l (not detected above this)27 May 2026, 11:50: 0.083 mg/l2 Jul 2026, 12:25: 0.049 mg/l13 Aug 2026, 09:56: below 0.03 mg/l (not detected above this)
Every result (22)
SampledResult as publishedReads as
13 Aug 2026, 09:56<0.03 below 0.03 mg/l (not detected above this)
2 Jul 2026, 12:250.049 0.049 mg/l
27 May 2026, 11:500.083 0.083 mg/l
9 Apr 2026, 11:47<0.03 below 0.03 mg/l (not detected above this)
6 Mar 2025, 12:140.43 0.43 mg/l
11 Feb 2025, 14:380.18 0.18 mg/l
22 Jan 2025, 14:390.16 0.16 mg/l
3 Dec 2024, 14:090.087 0.087 mg/l
22 Nov 2024, 11:220.23 0.23 mg/l
16 Oct 2024, 11:50<0.03 below 0.03 mg/l (not detected above this)
18 Sep 2024, 15:20<0.03 below 0.03 mg/l (not detected above this)
29 Aug 2024, 13:13<0.03 below 0.03 mg/l (not detected above this)
22 Jul 2024, 14:080.037 0.037 mg/l
19 Jun 2024, 14:540.034 0.034 mg/l
14 May 2024, 15:410.056 0.056 mg/l
15 Apr 2024, 09:390.077 0.077 mg/l
19 Mar 2024, 12:270.11 0.11 mg/l
20 Feb 2024, 12:130.12 0.12 mg/l
18 Jan 2024, 12:430.29 0.29 mg/l
7 Dec 2023, 13:190.19 0.19 mg/l
22 Nov 2023, 12:090.081 0.081 mg/l
18 Oct 2023, 12:500.068 0.068 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

8.39 mg/l

Sampled 13 Aug 2026, 49 days ago · 22 results banked

246810mg/l20242025202618 Oct 2023, 12:50: 4.35 mg/l22 Nov 2023, 12:09: 3.25 mg/l7 Dec 2023, 13:19: 3.96 mg/l18 Jan 2024, 12:43: 5.75 mg/l20 Feb 2024, 12:13: 3.46 mg/l19 Mar 2024, 12:27: 3.66 mg/l15 Apr 2024, 09:39: 3.95 mg/l14 May 2024, 15:41: 5.95 mg/l19 Jun 2024, 14:54: 5.27 mg/l22 Jul 2024, 14:08: 5.48 mg/l29 Aug 2024, 13:13: 6.69 mg/l18 Sep 2024, 15:20: 4.88 mg/l16 Oct 2024, 11:50: 5.26 mg/l22 Nov 2024, 11:22: 4.65 mg/l3 Dec 2024, 14:09: 2.67 mg/l22 Jan 2025, 14:39: 5.04 mg/l11 Feb 2025, 14:38: 5.44 mg/l6 Mar 2025, 12:14: 6.25 mg/l9 Apr 2026, 11:47: 5.98 mg/l27 May 2026, 11:50: 6.76 mg/l2 Jul 2026, 12:25: 6.47 mg/l13 Aug 2026, 09:56: 8.39 mg/l
Every result (22)
SampledResult as publishedReads as
13 Aug 2026, 09:568.39 8.39 mg/l
2 Jul 2026, 12:256.47 6.47 mg/l
27 May 2026, 11:506.76 6.76 mg/l
9 Apr 2026, 11:475.98 5.98 mg/l
6 Mar 2025, 12:146.25 6.25 mg/l
11 Feb 2025, 14:385.44 5.44 mg/l
22 Jan 2025, 14:395.04 5.04 mg/l
3 Dec 2024, 14:092.67 2.67 mg/l
22 Nov 2024, 11:224.65 4.65 mg/l
16 Oct 2024, 11:505.26 5.26 mg/l
18 Sep 2024, 15:204.88 4.88 mg/l
29 Aug 2024, 13:136.69 6.69 mg/l
22 Jul 2024, 14:085.48 5.48 mg/l
19 Jun 2024, 14:545.27 5.27 mg/l
14 May 2024, 15:415.95 5.95 mg/l
15 Apr 2024, 09:393.95 3.95 mg/l
19 Mar 2024, 12:273.66 3.66 mg/l
20 Feb 2024, 12:133.46 3.46 mg/l
18 Jan 2024, 12:435.75 5.75 mg/l
7 Dec 2023, 13:193.96 3.96 mg/l
22 Nov 2023, 12:093.25 3.25 mg/l
18 Oct 2023, 12:504.35 4.35 mg/l

Phosphate

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

0.11 mg/l

Sampled 13 Aug 2026, 49 days ago · 22 results banked

0.050.10.150.2mg/l20242025202618 Oct 2023, 12:50: 0.13 mg/l22 Nov 2023, 12:09: 0.11 mg/l7 Dec 2023, 13:19: 0.087 mg/l18 Jan 2024, 12:43: 0.12 mg/l20 Feb 2024, 12:13: 0.13 mg/l19 Mar 2024, 12:27: 0.13 mg/l15 Apr 2024, 09:39: 0.11 mg/l14 May 2024, 15:41: 0.14 mg/l19 Jun 2024, 14:54: 0.13 mg/l22 Jul 2024, 14:08: 0.15 mg/l29 Aug 2024, 13:13: 0.14 mg/l18 Sep 2024, 15:20: 0.15 mg/l16 Oct 2024, 11:50: 0.1 mg/l22 Nov 2024, 11:22: 0.16 mg/l3 Dec 2024, 14:09: 0.088 mg/l22 Jan 2025, 14:39: 0.084 mg/l11 Feb 2025, 14:38: 0.1 mg/l6 Mar 2025, 12:14: 0.13 mg/l9 Apr 2026, 11:47: 0.055 mg/l27 May 2026, 11:50: 0.11 mg/l2 Jul 2026, 12:25: 0.11 mg/l13 Aug 2026, 09:56: 0.11 mg/l
Every result (22)
SampledResult as publishedReads as
13 Aug 2026, 09:560.11 0.11 mg/l
2 Jul 2026, 12:250.11 0.11 mg/l
27 May 2026, 11:500.11 0.11 mg/l
9 Apr 2026, 11:470.055 0.055 mg/l
6 Mar 2025, 12:140.13 0.13 mg/l
11 Feb 2025, 14:380.1 0.1 mg/l
22 Jan 2025, 14:390.084 0.084 mg/l
3 Dec 2024, 14:090.088 0.088 mg/l
22 Nov 2024, 11:220.16 0.16 mg/l
16 Oct 2024, 11:500.1 0.1 mg/l
18 Sep 2024, 15:200.15 0.15 mg/l
29 Aug 2024, 13:130.14 0.14 mg/l
22 Jul 2024, 14:080.15 0.15 mg/l
19 Jun 2024, 14:540.13 0.13 mg/l
14 May 2024, 15:410.14 0.14 mg/l
15 Apr 2024, 09:390.11 0.11 mg/l
19 Mar 2024, 12:270.13 0.13 mg/l
20 Feb 2024, 12:130.13 0.13 mg/l
18 Jan 2024, 12:430.12 0.12 mg/l
7 Dec 2023, 13:190.087 0.087 mg/l
22 Nov 2023, 12:090.11 0.11 mg/l
18 Oct 2023, 12:500.13 0.13 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

1310 µS/cm

Sampled 13 Aug 2026, 49 days ago · 22 results banked

0500100015002000µS/cm20242025202618 Oct 2023, 12:50: 673 µS/cm22 Nov 2023, 12:09: 503 µS/cm7 Dec 2023, 13:19: 598 µS/cm18 Jan 2024, 12:43: 949 µS/cm20 Feb 2024, 12:13: 469 µS/cm19 Mar 2024, 12:27: 718 µS/cm15 Apr 2024, 09:39: 660 µS/cm14 May 2024, 15:41: 1342 µS/cm19 Jun 2024, 14:54: 1429 µS/cm22 Jul 2024, 14:08: 1255 µS/cm29 Aug 2024, 13:13: 1516 µS/cm18 Sep 2024, 15:20: 798 µS/cm16 Oct 2024, 11:50: 1334 µS/cm22 Nov 2024, 11:22: 687 µS/cm3 Dec 2024, 14:09: 327 µS/cm22 Jan 2025, 14:39: 797 µS/cm11 Feb 2025, 14:38: 887 µS/cm6 Mar 2025, 12:14: 867 µS/cm9 Apr 2026, 11:47: 906 µS/cm27 May 2026, 11:50: 1128 µS/cm2 Jul 2026, 12:25: 1128 µS/cm13 Aug 2026, 09:56: 1310 µS/cm
Every result (22)
SampledResult as publishedReads as
13 Aug 2026, 09:561310 1310 µS/cm
2 Jul 2026, 12:251128 1128 µS/cm
27 May 2026, 11:501128 1128 µS/cm
9 Apr 2026, 11:47906 906 µS/cm
6 Mar 2025, 12:14867 867 µS/cm
11 Feb 2025, 14:38887 887 µS/cm
22 Jan 2025, 14:39797 797 µS/cm
3 Dec 2024, 14:09327 327 µS/cm
22 Nov 2024, 11:22687 687 µS/cm
16 Oct 2024, 11:501334 1334 µS/cm
18 Sep 2024, 15:20798 798 µS/cm
29 Aug 2024, 13:131516 1516 µS/cm
22 Jul 2024, 14:081255 1255 µS/cm
19 Jun 2024, 14:541429 1429 µS/cm
14 May 2024, 15:411342 1342 µS/cm
15 Apr 2024, 09:39660 660 µS/cm
19 Mar 2024, 12:27718 718 µS/cm
20 Feb 2024, 12:13469 469 µS/cm
18 Jan 2024, 12:43949 949 µS/cm
7 Dec 2023, 13:19598 598 µS/cm
22 Nov 2023, 12:09503 503 µS/cm
18 Oct 2023, 12:50673 673 µS/cm

Everything measured here

18 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 18 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 22 Oct 2023 – Aug 2026 84.7% 13 Aug 2026
Oxygen, Dissolved as O2 9924 River water 22 Oct 2023 – Aug 2026 7.83 mg/l 13 Aug 2026
Temperature of Water 0076 River water 22 Oct 2023 – Aug 2026 18.9 °C 13 Aug 2026
pH 0061 River water 22 Oct 2023 – Aug 2026 7.77 13 Aug 2026
Ammoniacal Nitrogen as N 0111 River water 22 Oct 2023 – Aug 2026 below 0.03 mg/l 13 Aug 2026
Nitrate as N 0117 River water 22 Oct 2023 – Aug 2026 8.39 mg/l 13 Aug 2026
Orthophosphate, reactive as P 0180 River water 22 Oct 2023 – Aug 2026 0.11 mg/l 13 Aug 2026
Conductivity at 25 C 0077 River water 22 Oct 2023 – Aug 2026 1310 µS/cm 13 Aug 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 22 Oct 2023 – Aug 2026 150 mg/l 13 Aug 2026
Ammonia un-ionised as N 0119 River water 22 Oct 2023 – Aug 2026 below 0.00062 mg/l 13 Aug 2026
BOD : 5 Day ATU 0085 River water 17 Feb 2024 – Aug 2026 below 1 mg/l 13 Aug 2026
Chloride 0172 River water 4 Apr 2026 – Aug 2026 250 mg/l 13 Aug 2026
Nitrite as N 0118 River water 22 Oct 2023 – Aug 2026 0.0097 mg/l 13 Aug 2026
Nitrogen, Total Oxidised as N 0116 River water 22 Oct 2023 – Aug 2026 8.4 mg/l 13 Aug 2026
Non Target Screening : Water 2876 River water 2 Jan 2025 – Apr 2026 1 text result 9 Apr 2026
Perfluorooctanoate anion 9274 River water 7 Oct 2023 – Jan 2025 0.002 µg/l 22 Jan 2025
Perfluorooctylsulphonate anion 9276 River water 7 Oct 2023 – Jan 2025 0.0017 µg/l 22 Jan 2025
Solids, Suspended at 105 C 0135 River water 4 Apr 2026 – Aug 2026 5.1 mg/l 13 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.