River Cocker at Cocker Bridge

EA name: RIVER COCKER AT COCKER BRIDGE
Environment Agency sampling point NW-88004088 · 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 Mar 2025, 09:0519 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
18 since 16 Oct 2023 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 345230, 451252As published, to the nearest 1 m. Open in a map
River, by its own name
Cocker
River, by the map
River CockerPlaced on the river its name gives, 0 m from the line.
Next gauge downstream
None tracedIts water reaches the sea without passing a gauge.
Why it was sampled
Monitoring (national agency policy) (18 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

77.5%

Sampled 13 Mar 2025, 19 months ago · 18 results banked

20406080100%202420252026no sample published after Mar 202516 Oct 2023, 09:23: 40.3%20 Nov 2023, 12:33: 50.5%5 Dec 2023, 13:42: 46.6%26 Jan 2024, 10:46: 73.4%22 Feb 2024, 11:30: 73.6%20 Mar 2024, 10:55: 61.6%18 Apr 2024, 09:54: 76.7%23 May 2024, 10:22: 72.5%21 Jun 2024, 13:20: 90.3%15 Jul 2024, 10:09: 61.9%21 Aug 2024, 13:42: 60%19 Sep 2024, 09:56: 38.6%15 Oct 2024, 09:08: 26.2%18 Nov 2024, 10:05: 39.4%9 Dec 2024, 09:51: 64.3%29 Jan 2025, 10:40: 74.4%21 Feb 2025, 12:03: 73.2%13 Mar 2025, 09:05: 77.5%
Every result (18)
SampledResult as publishedReads as
13 Mar 2025, 09:0577.5 77.5%
21 Feb 2025, 12:0373.2 73.2%
29 Jan 2025, 10:4074.4 74.4%
9 Dec 2024, 09:5164.3 64.3%
18 Nov 2024, 10:0539.4 39.4%
15 Oct 2024, 09:0826.2 26.2%
19 Sep 2024, 09:5638.6 38.6%
21 Aug 2024, 13:4260 60%
15 Jul 2024, 10:0961.9 61.9%
21 Jun 2024, 13:2090.3 90.3%
23 May 2024, 10:2272.5 72.5%
18 Apr 2024, 09:5476.7 76.7%
20 Mar 2024, 10:5561.6 61.6%
22 Feb 2024, 11:3073.6 73.6%
26 Jan 2024, 10:4673.4 73.4%
5 Dec 2023, 13:4246.6 46.6%
20 Nov 2023, 12:3350.5 50.5%
16 Oct 2023, 09:2340.3 40.3%

Dissolved oxygen

as O2 · code 9924 · mg/l

10.1 mg/l

Sampled 13 Mar 2025, 19 months ago · 18 results banked

24681012mg/l202420252026no sample published after Mar 202516 Oct 2023, 09:23: 4.62 mg/l20 Nov 2023, 12:33: 5.68 mg/l5 Dec 2023, 13:42: 5.72 mg/l26 Jan 2024, 10:46: 8.94 mg/l22 Feb 2024, 11:30: 8.72 mg/l20 Mar 2024, 10:55: 6.96 mg/l18 Apr 2024, 09:54: 9.16 mg/l23 May 2024, 10:22: 7.67 mg/l21 Jun 2024, 13:20: 8.69 mg/l15 Jul 2024, 10:09: 6.15 mg/l21 Aug 2024, 13:42: 6.01 mg/l19 Sep 2024, 09:56: 4.08 mg/l15 Oct 2024, 09:08: 2.95 mg/l18 Nov 2024, 10:05: 4.81 mg/l9 Dec 2024, 09:51: 7.99 mg/l29 Jan 2025, 10:40: 9.34 mg/l21 Feb 2025, 12:03: 8.33 mg/l13 Mar 2025, 09:05: 10.1 mg/l
Every result (18)
SampledResult as publishedReads as
13 Mar 2025, 09:0510.1 10.1 mg/l
21 Feb 2025, 12:038.33 8.33 mg/l
29 Jan 2025, 10:409.34 9.34 mg/l
9 Dec 2024, 09:517.99 7.99 mg/l
18 Nov 2024, 10:054.81 4.81 mg/l
15 Oct 2024, 09:082.95 2.95 mg/l
19 Sep 2024, 09:564.08 4.08 mg/l
21 Aug 2024, 13:426.01 6.01 mg/l
15 Jul 2024, 10:096.15 6.15 mg/l
21 Jun 2024, 13:208.69 8.69 mg/l
23 May 2024, 10:227.67 7.67 mg/l
18 Apr 2024, 09:549.16 9.16 mg/l
20 Mar 2024, 10:556.96 6.96 mg/l
22 Feb 2024, 11:308.72 8.72 mg/l
26 Jan 2024, 10:468.94 8.94 mg/l
5 Dec 2023, 13:425.72 5.72 mg/l
20 Nov 2023, 12:335.68 5.68 mg/l
16 Oct 2023, 09:234.62 4.62 mg/l

Water temperature

code 0076 · °C

4.1 °C

Sampled 13 Mar 2025, 19 months ago · 18 results banked

05101520°C202420252026no sample published after Mar 202516 Oct 2023, 09:23: 9.3 °C20 Nov 2023, 12:33: 10.1 °C5 Dec 2023, 13:42: 6.5 °C26 Jan 2024, 10:46: 6.8 °C22 Feb 2024, 11:30: 7.9 °C20 Mar 2024, 10:55: 9.9 °C18 Apr 2024, 09:54: 7.6 °C23 May 2024, 10:22: 12.7 °C21 Jun 2024, 13:20: 17.1 °C15 Jul 2024, 10:09: 15.6 °C21 Aug 2024, 13:42: 15.2 °C19 Sep 2024, 09:56: 12.8 °C15 Oct 2024, 09:08: 10 °C18 Nov 2024, 10:05: 6.7 °C9 Dec 2024, 09:51: 6 °C29 Jan 2025, 10:40: 5.6 °C21 Feb 2025, 12:03: 9.6 °C13 Mar 2025, 09:05: 4.1 °C
Every result (18)
SampledResult as publishedReads as
13 Mar 2025, 09:054.1 4.1 °C
21 Feb 2025, 12:039.6 9.6 °C
29 Jan 2025, 10:405.6 5.6 °C
9 Dec 2024, 09:516 6 °C
18 Nov 2024, 10:056.7 6.7 °C
15 Oct 2024, 09:0810 10 °C
19 Sep 2024, 09:5612.8 12.8 °C
21 Aug 2024, 13:4215.2 15.2 °C
15 Jul 2024, 10:0915.6 15.6 °C
21 Jun 2024, 13:2017.1 17.1 °C
23 May 2024, 10:2212.7 12.7 °C
18 Apr 2024, 09:547.6 7.6 °C
20 Mar 2024, 10:559.9 9.9 °C
22 Feb 2024, 11:307.9 7.9 °C
26 Jan 2024, 10:466.8 6.8 °C
5 Dec 2023, 13:426.5 6.5 °C
20 Nov 2023, 12:3310.1 10.1 °C
16 Oct 2023, 09:239.3 9.3 °C

pH

code 0061

7.65

Sampled 13 Mar 2025, 19 months ago · 18 results banked

6.7577.257.57.758202420252026no sample published after Mar 202516 Oct 2023, 09:23: 7.120 Nov 2023, 12:33: 6.935 Dec 2023, 13:42: 7.0726 Jan 2024, 10:46: 7.4722 Feb 2024, 11:30: 7.320 Mar 2024, 10:55: 7.0918 Apr 2024, 09:54: 7.323 May 2024, 10:22: 7.3321 Jun 2024, 13:20: 7.5715 Jul 2024, 10:09: 7.5821 Aug 2024, 13:42: 7.8519 Sep 2024, 09:56: 7.5815 Oct 2024, 09:08: 7.2618 Nov 2024, 10:05: 7.239 Dec 2024, 09:51: 7.2129 Jan 2025, 10:40: 7.1721 Feb 2025, 12:03: 7.4213 Mar 2025, 09:05: 7.65
Every result (18)
SampledResult as publishedReads as
13 Mar 2025, 09:057.65 7.65
21 Feb 2025, 12:037.42 7.42
29 Jan 2025, 10:407.17 7.17
9 Dec 2024, 09:517.21 7.21
18 Nov 2024, 10:057.23 7.23
15 Oct 2024, 09:087.26 7.26
19 Sep 2024, 09:567.58 7.58
21 Aug 2024, 13:427.85 7.85
15 Jul 2024, 10:097.58 7.58
21 Jun 2024, 13:207.57 7.57
23 May 2024, 10:227.33 7.33
18 Apr 2024, 09:547.3 7.3
20 Mar 2024, 10:557.09 7.09
22 Feb 2024, 11:307.3 7.3
26 Jan 2024, 10:467.47 7.47
5 Dec 2023, 13:427.07 7.07
20 Nov 2023, 12:336.93 6.93
16 Oct 2023, 09:237.1 7.1

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.86 mg/l

Sampled 13 Mar 2025, 19 months ago · 18 results banked

00.20.40.60.81mg/l202420252026no sample published after Mar 202516 Oct 2023, 09:23: 0.4 mg/l20 Nov 2023, 12:33: 0.25 mg/l5 Dec 2023, 13:42: 0.81 mg/l26 Jan 2024, 10:46: 0.67 mg/l22 Feb 2024, 11:30: 0.76 mg/l20 Mar 2024, 10:55: 0.55 mg/l18 Apr 2024, 09:54: 0.46 mg/l23 May 2024, 10:22: 0.7 mg/l21 Jun 2024, 13:20: 0.097 mg/l15 Jul 2024, 10:09: 0.098 mg/l21 Aug 2024, 13:42: 0.23 mg/l19 Sep 2024, 09:56: 0.19 mg/l15 Oct 2024, 09:08: 0.6 mg/l18 Nov 2024, 10:05: 0.73 mg/l9 Dec 2024, 09:51: 0.36 mg/l29 Jan 2025, 10:40: 0.65 mg/l21 Feb 2025, 12:03: 0.81 mg/l13 Mar 2025, 09:05: 0.86 mg/l
Every result (18)
SampledResult as publishedReads as
13 Mar 2025, 09:050.86 0.86 mg/l
21 Feb 2025, 12:030.81 0.81 mg/l
29 Jan 2025, 10:400.65 0.65 mg/l
9 Dec 2024, 09:510.36 0.36 mg/l
18 Nov 2024, 10:050.73 0.73 mg/l
15 Oct 2024, 09:080.6 0.6 mg/l
19 Sep 2024, 09:560.19 0.19 mg/l
21 Aug 2024, 13:420.23 0.23 mg/l
15 Jul 2024, 10:090.098 0.098 mg/l
21 Jun 2024, 13:200.097 0.097 mg/l
23 May 2024, 10:220.7 0.7 mg/l
18 Apr 2024, 09:540.46 0.46 mg/l
20 Mar 2024, 10:550.55 0.55 mg/l
22 Feb 2024, 11:300.76 0.76 mg/l
26 Jan 2024, 10:460.67 0.67 mg/l
5 Dec 2023, 13:420.81 0.81 mg/l
20 Nov 2023, 12:330.25 0.25 mg/l
16 Oct 2023, 09:230.4 0.4 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

2.66 mg/l

Sampled 13 Mar 2025, 19 months ago · 17 results banked

12345mg/l202420252026no sample published after Mar 202516 Oct 2023, 09:23: 2.14 mg/l20 Nov 2023, 12:33: 2.66 mg/l5 Dec 2023, 13:42: 2.44 mg/l26 Jan 2024, 10:46: 2.27 mg/l22 Feb 2024, 11:30: 2.16 mg/l20 Mar 2024, 10:55: 1.67 mg/l18 Apr 2024, 09:54: 1.96 mg/l23 May 2024, 10:22: 4.33 mg/l21 Jun 2024, 13:20: 1.36 mg/l15 Jul 2024, 10:09: 2.5 mg/l21 Aug 2024, 13:42: 4.12 mg/l19 Sep 2024, 09:56: 1.34 mg/l18 Nov 2024, 10:05: 1.92 mg/l9 Dec 2024, 09:51: 1.97 mg/l29 Jan 2025, 10:40: 2.47 mg/l21 Feb 2025, 12:03: 2.3 mg/l13 Mar 2025, 09:05: 2.66 mg/l
Every result (17)
SampledResult as publishedReads as
13 Mar 2025, 09:052.66 2.66 mg/l
21 Feb 2025, 12:032.3 2.3 mg/l
29 Jan 2025, 10:402.47 2.47 mg/l
9 Dec 2024, 09:511.97 1.97 mg/l
18 Nov 2024, 10:051.92 1.92 mg/l
19 Sep 2024, 09:561.34 1.34 mg/l
21 Aug 2024, 13:424.12 4.12 mg/l
15 Jul 2024, 10:092.5 2.5 mg/l
21 Jun 2024, 13:201.36 1.36 mg/l
23 May 2024, 10:224.33 4.33 mg/l
18 Apr 2024, 09:541.96 1.96 mg/l
20 Mar 2024, 10:551.67 1.67 mg/l
22 Feb 2024, 11:302.16 2.16 mg/l
26 Jan 2024, 10:462.27 2.27 mg/l
5 Dec 2023, 13:422.44 2.44 mg/l
20 Nov 2023, 12:332.66 2.66 mg/l
16 Oct 2023, 09:232.14 2.14 mg/l

Phosphate

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

0.1 mg/l

Sampled 13 Mar 2025, 19 months ago · 18 results banked

0.10.20.30.40.5mg/l202420252026no sample published after Mar 202516 Oct 2023, 09:23: 0.21 mg/l20 Nov 2023, 12:33: 0.21 mg/l5 Dec 2023, 13:42: 0.11 mg/l26 Jan 2024, 10:46: 0.25 mg/l22 Feb 2024, 11:30: 0.3 mg/l20 Mar 2024, 10:55: 0.12 mg/l18 Apr 2024, 09:54: 0.17 mg/l23 May 2024, 10:22: 0.43 mg/l21 Jun 2024, 13:20: 0.13 mg/l15 Jul 2024, 10:09: 0.23 mg/l21 Aug 2024, 13:42: 0.35 mg/l19 Sep 2024, 09:56: 0.22 mg/l15 Oct 2024, 09:08: 0.19 mg/l18 Nov 2024, 10:05: 0.27 mg/l9 Dec 2024, 09:51: 0.2 mg/l29 Jan 2025, 10:40: 0.21 mg/l21 Feb 2025, 12:03: 0.26 mg/l13 Mar 2025, 09:05: 0.1 mg/l
Every result (18)
SampledResult as publishedReads as
13 Mar 2025, 09:050.1 0.1 mg/l
21 Feb 2025, 12:030.26 0.26 mg/l
29 Jan 2025, 10:400.21 0.21 mg/l
9 Dec 2024, 09:510.2 0.2 mg/l
18 Nov 2024, 10:050.27 0.27 mg/l
15 Oct 2024, 09:080.19 0.19 mg/l
19 Sep 2024, 09:560.22 0.22 mg/l
21 Aug 2024, 13:420.35 0.35 mg/l
15 Jul 2024, 10:090.23 0.23 mg/l
21 Jun 2024, 13:200.13 0.13 mg/l
23 May 2024, 10:220.43 0.43 mg/l
18 Apr 2024, 09:540.17 0.17 mg/l
20 Mar 2024, 10:550.12 0.12 mg/l
22 Feb 2024, 11:300.3 0.3 mg/l
26 Jan 2024, 10:460.25 0.25 mg/l
5 Dec 2023, 13:420.11 0.11 mg/l
20 Nov 2023, 12:330.21 0.21 mg/l
16 Oct 2023, 09:230.21 0.21 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

855 µS/cm

Sampled 13 Mar 2025, 19 months ago · 18 results banked

2004006008001000µS/cm202420252026no sample published after Mar 202516 Oct 2023, 09:23: 594 µS/cm20 Nov 2023, 12:33: 398 µS/cm5 Dec 2023, 13:42: 692 µS/cm26 Jan 2024, 10:46: 396 µS/cm22 Feb 2024, 11:30: 341 µS/cm20 Mar 2024, 10:55: 489 µS/cm18 Apr 2024, 09:54: 579 µS/cm23 May 2024, 10:22: 335 µS/cm21 Jun 2024, 13:20: 667 µS/cm15 Jul 2024, 10:09: 653 µS/cm21 Aug 2024, 13:42: 756 µS/cm19 Sep 2024, 09:56: 606 µS/cm15 Oct 2024, 09:08: 635 µS/cm18 Nov 2024, 10:05: 643 µS/cm9 Dec 2024, 09:51: 441 µS/cm29 Jan 2025, 10:40: 617 µS/cm21 Feb 2025, 12:03: 635 µS/cm13 Mar 2025, 09:05: 855 µS/cm
Every result (18)
SampledResult as publishedReads as
13 Mar 2025, 09:05855 855 µS/cm
21 Feb 2025, 12:03635 635 µS/cm
29 Jan 2025, 10:40617 617 µS/cm
9 Dec 2024, 09:51441 441 µS/cm
18 Nov 2024, 10:05643 643 µS/cm
15 Oct 2024, 09:08635 635 µS/cm
19 Sep 2024, 09:56606 606 µS/cm
21 Aug 2024, 13:42756 756 µS/cm
15 Jul 2024, 10:09653 653 µS/cm
21 Jun 2024, 13:20667 667 µS/cm
23 May 2024, 10:22335 335 µS/cm
18 Apr 2024, 09:54579 579 µS/cm
20 Mar 2024, 10:55489 489 µS/cm
22 Feb 2024, 11:30341 341 µS/cm
26 Jan 2024, 10:46396 396 µS/cm
5 Dec 2023, 13:42692 692 µS/cm
20 Nov 2023, 12:33398 398 µS/cm
16 Oct 2023, 09:23594 594 µS/cm

Everything measured here

13 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 13 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 18 Oct 2023 – Mar 2025 77.5% 13 Mar 2025
Oxygen, Dissolved as O2 9924 River water 18 Oct 2023 – Mar 2025 10.1 mg/l 13 Mar 2025
Temperature of Water 0076 River water 18 Oct 2023 – Mar 2025 4.1 °C 13 Mar 2025
pH 0061 River water 18 Oct 2023 – Mar 2025 7.65 13 Mar 2025
Ammoniacal Nitrogen as N 0111 River water 18 Oct 2023 – Mar 2025 0.86 mg/l 13 Mar 2025
Nitrate as N 0117 River water 17 Oct 2023 – Mar 2025 2.66 mg/l 13 Mar 2025
Orthophosphate, reactive as P 0180 River water 18 Oct 2023 – Mar 2025 0.1 mg/l 13 Mar 2025
Conductivity at 25 C 0077 River water 18 Oct 2023 – Mar 2025 855 µS/cm 13 Mar 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 18 Oct 2023 – Mar 2025 270 mg/l 13 Mar 2025
Ammonia un-ionised as N 0119 River water 18 Oct 2023 – Mar 2025 0.00457 mg/l 13 Mar 2025
BOD : 5 Day ATU 0085 River water 14 Feb 2024 – Mar 2025 2.5 mg/l 13 Mar 2025
Nitrite as N 0118 River water 18 Oct 2023 – Mar 2025 0.038 mg/l 13 Mar 2025
Nitrogen, Total Oxidised as N 0116 River water 18 Oct 2023 – Mar 2025 2.7 mg/l 13 Mar 2025

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.