Biddulph Brook downstream of Mow Cop Stream at Halls Road

EA name: BIDDULPH BRK D/S MOW COP STREAM@ HALLSRD (also listed as “BIDDULPH BROOK D/S MOW COP STREAM AT HALLS ROAD”)
Environment Agency sampling point NW-88000749 · 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
28 May 2026, 12:544 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
30 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 Monitoring (national agency policy)
Where
National Grid 388606, 358431As published, to the nearest 1 m. Open in a map
River, by its own name
Biddulph Brook
River, by the map
Biddulph BrookPlaced on the river its name gives, 8 m from the line.
Next gauge downstream
Congleton Park On the River Dane · 8.4 km along the river
Why it was sampled
Monitoring (national agency policy) (30 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

88%

Sampled 28 May 2026, 4 months ago · 19 results banked

708090100110%20242025202618 Oct 2023, 09:20: 94.4%28 Nov 2023, 09:01: 94%12 Dec 2023, 09:53: 93.5%23 Jan 2024, 07:47: 93.7%20 Feb 2024, 07:49: 93.8%19 Mar 2024, 08:06: 95.2%30 May 2025, 10:23: 97.6%17 Jun 2025, 08:04: 101.1%2 Jul 2025, 09:06: 77.8%12 Aug 2025, 09:40: 91%23 Sep 2025, 09:47: 90.6%24 Oct 2025, 14:37: 92.2%17 Nov 2025, 08:56: 97.7%2 Dec 2025, 11:06: 96.8%22 Jan 2026, 09:24: 96.9%6 Feb 2026, 09:35: 94.8%20 Mar 2026, 11:01: 97.3%29 Apr 2026, 11:14: 98.7%28 May 2026, 12:54: 88%
Every result (19)
SampledResult as publishedReads as
28 May 2026, 12:5488 88%
29 Apr 2026, 11:1498.7 98.7%
20 Mar 2026, 11:0197.3 97.3%
6 Feb 2026, 09:3594.8 94.8%
22 Jan 2026, 09:2496.9 96.9%
2 Dec 2025, 11:0696.8 96.8%
17 Nov 2025, 08:5697.7 97.7%
24 Oct 2025, 14:3792.2 92.2%
23 Sep 2025, 09:4790.6 90.6%
12 Aug 2025, 09:4091 91%
2 Jul 2025, 09:0677.8 77.8%
17 Jun 2025, 08:04101.1 101.1%
30 May 2025, 10:2397.6 97.6%
19 Mar 2024, 08:0695.2 95.2%
20 Feb 2024, 07:4993.8 93.8%
23 Jan 2024, 07:4793.7 93.7%
12 Dec 2023, 09:5393.5 93.5%
28 Nov 2023, 09:0194 94%
18 Oct 2023, 09:2094.4 94.4%

Dissolved oxygen

as O2 · code 9924 · mg/l

8.95 mg/l

Sampled 28 May 2026, 4 months ago · 19 results banked

89101112mg/l20242025202618 Oct 2023, 09:20: 10.5 mg/l28 Nov 2023, 09:01: 11.6 mg/l12 Dec 2023, 09:53: 11 mg/l23 Jan 2024, 07:47: 11.7 mg/l20 Feb 2024, 07:49: 11.3 mg/l19 Mar 2024, 08:06: 11 mg/l30 May 2025, 10:23: 10.3 mg/l17 Jun 2025, 08:04: 10.7 mg/l2 Jul 2025, 09:06: 8.1 mg/l12 Aug 2025, 09:40: 9.29 mg/l23 Sep 2025, 09:47: 10.3 mg/l24 Oct 2025, 14:37: 10.2 mg/l17 Nov 2025, 08:56: 11.9 mg/l2 Dec 2025, 11:06: 11.5 mg/l22 Jan 2026, 09:24: 11.6 mg/l6 Feb 2026, 09:35: 12 mg/l20 Mar 2026, 11:01: 11.2 mg/l29 Apr 2026, 11:14: 11 mg/l28 May 2026, 12:54: 8.95 mg/l
Every result (19)
SampledResult as publishedReads as
28 May 2026, 12:548.95 8.95 mg/l
29 Apr 2026, 11:1411 11 mg/l
20 Mar 2026, 11:0111.2 11.2 mg/l
6 Feb 2026, 09:3512 12 mg/l
22 Jan 2026, 09:2411.6 11.6 mg/l
2 Dec 2025, 11:0611.5 11.5 mg/l
17 Nov 2025, 08:5611.9 11.9 mg/l
24 Oct 2025, 14:3710.2 10.2 mg/l
23 Sep 2025, 09:4710.3 10.3 mg/l
12 Aug 2025, 09:409.29 9.29 mg/l
2 Jul 2025, 09:068.1 8.1 mg/l
17 Jun 2025, 08:0410.7 10.7 mg/l
30 May 2025, 10:2310.3 10.3 mg/l
19 Mar 2024, 08:0611 11 mg/l
20 Feb 2024, 07:4911.3 11.3 mg/l
23 Jan 2024, 07:4711.7 11.7 mg/l
12 Dec 2023, 09:5311 11 mg/l
28 Nov 2023, 09:0111.6 11.6 mg/l
18 Oct 2023, 09:2010.5 10.5 mg/l

Water temperature

code 0076 · °C

14.5 °C

Sampled 28 May 2026, 4 months ago · 19 results banked

57.51012.515°C20242025202618 Oct 2023, 09:20: 10.5 °C28 Nov 2023, 09:01: 6.4 °C12 Dec 2023, 09:53: 8.1 °C23 Jan 2024, 07:47: 5.8 °C20 Feb 2024, 07:49: 7.4 °C19 Mar 2024, 08:06: 9 °C30 May 2025, 10:23: 13 °C17 Jun 2025, 08:04: 12.6 °C2 Jul 2025, 09:06: 13.4 °C12 Aug 2025, 09:40: 14.3 °C23 Sep 2025, 09:47: 9.4 °C24 Oct 2025, 14:37: 10.8 °C17 Nov 2025, 08:56: 6.8 °C2 Dec 2025, 11:06: 7.7 °C22 Jan 2026, 09:24: 7.4 °C6 Feb 2026, 09:35: 5.4 °C20 Mar 2026, 11:01: 9.2 °C29 Apr 2026, 11:14: 10.4 °C28 May 2026, 12:54: 14.5 °C
Every result (19)
SampledResult as publishedReads as
28 May 2026, 12:5414.5 14.5 °C
29 Apr 2026, 11:1410.4 10.4 °C
20 Mar 2026, 11:019.2 9.2 °C
6 Feb 2026, 09:355.4 5.4 °C
22 Jan 2026, 09:247.4 7.4 °C
2 Dec 2025, 11:067.7 7.7 °C
17 Nov 2025, 08:566.8 6.8 °C
24 Oct 2025, 14:3710.8 10.8 °C
23 Sep 2025, 09:479.4 9.4 °C
12 Aug 2025, 09:4014.3 14.3 °C
2 Jul 2025, 09:0613.4 13.4 °C
17 Jun 2025, 08:0412.6 12.6 °C
30 May 2025, 10:2313 13 °C
19 Mar 2024, 08:069 9 °C
20 Feb 2024, 07:497.4 7.4 °C
23 Jan 2024, 07:475.8 5.8 °C
12 Dec 2023, 09:538.1 8.1 °C
28 Nov 2023, 09:016.4 6.4 °C
18 Oct 2023, 09:2010.5 10.5 °C

pH

code 0061

7.82

Sampled 28 May 2026, 4 months ago · 19 results banked

7.67.77.87.9820242025202618 Oct 2023, 09:20: 7.8928 Nov 2023, 09:01: 7.8712 Dec 2023, 09:53: 7.7423 Jan 2024, 07:47: 7.7720 Feb 2024, 07:49: 7.6719 Mar 2024, 08:06: 7.6930 May 2025, 10:23: 7.817 Jun 2025, 08:04: 7.932 Jul 2025, 09:06: 7.7212 Aug 2025, 09:40: 7.923 Sep 2025, 09:47: 7.8624 Oct 2025, 14:37: 7.7117 Nov 2025, 08:56: 7.852 Dec 2025, 11:06: 7.7222 Jan 2026, 09:24: 7.716 Feb 2026, 09:35: 7.6320 Mar 2026, 11:01: 7.8129 Apr 2026, 11:14: 7.928 May 2026, 12:54: 7.82
Every result (19)
SampledResult as publishedReads as
28 May 2026, 12:547.82 7.82
29 Apr 2026, 11:147.9 7.9
20 Mar 2026, 11:017.81 7.81
6 Feb 2026, 09:357.63 7.63
22 Jan 2026, 09:247.71 7.71
2 Dec 2025, 11:067.72 7.72
17 Nov 2025, 08:567.85 7.85
24 Oct 2025, 14:377.71 7.71
23 Sep 2025, 09:477.86 7.86
12 Aug 2025, 09:407.9 7.9
2 Jul 2025, 09:067.72 7.72
17 Jun 2025, 08:047.93 7.93
30 May 2025, 10:237.8 7.8
19 Mar 2024, 08:067.69 7.69
20 Feb 2024, 07:497.67 7.67
23 Jan 2024, 07:477.77 7.77
12 Dec 2023, 09:537.74 7.74
28 Nov 2023, 09:017.87 7.87
18 Oct 2023, 09:207.89 7.89

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.037 mg/l

Sampled 28 May 2026, 4 months ago · 19 results banked

00.511.5mg/l20242025202618 Oct 2023, 09:20: 0.1 mg/l28 Nov 2023, 09:01: 0.18 mg/l12 Dec 2023, 09:53: 0.65 mg/l23 Jan 2024, 07:47: 0.74 mg/l20 Feb 2024, 07:49: 0.79 mg/l19 Mar 2024, 08:06: 0.24 mg/l30 May 2025, 10:23: 0.16 mg/l17 Jun 2025, 08:04: 0.039 mg/l2 Jul 2025, 09:06: 0.48 mg/l12 Aug 2025, 09:40: 0.034 mg/l23 Sep 2025, 09:47: 0.12 mg/l24 Oct 2025, 14:37: 0.15 mg/l17 Nov 2025, 08:56: 0.093 mg/l2 Dec 2025, 11:06: 0.18 mg/l22 Jan 2026, 09:24: 0.3 mg/l6 Feb 2026, 09:35: 1.2 mg/l20 Mar 2026, 11:01: 0.11 mg/l29 Apr 2026, 11:14: 0.15 mg/l28 May 2026, 12:54: 0.037 mg/l
Every result (19)
SampledResult as publishedReads as
28 May 2026, 12:540.037 0.037 mg/l
29 Apr 2026, 11:140.15 0.15 mg/l
20 Mar 2026, 11:010.11 0.11 mg/l
6 Feb 2026, 09:351.2 1.2 mg/l
22 Jan 2026, 09:240.3 0.3 mg/l
2 Dec 2025, 11:060.18 0.18 mg/l
17 Nov 2025, 08:560.093 0.093 mg/l
24 Oct 2025, 14:370.15 0.15 mg/l
23 Sep 2025, 09:470.12 0.12 mg/l
12 Aug 2025, 09:400.034 0.034 mg/l
2 Jul 2025, 09:060.48 0.48 mg/l
17 Jun 2025, 08:040.039 0.039 mg/l
30 May 2025, 10:230.16 0.16 mg/l
19 Mar 2024, 08:060.24 0.24 mg/l
20 Feb 2024, 07:490.79 0.79 mg/l
23 Jan 2024, 07:470.74 0.74 mg/l
12 Dec 2023, 09:530.65 0.65 mg/l
28 Nov 2023, 09:010.18 0.18 mg/l
18 Oct 2023, 09:200.1 0.1 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

1.46 mg/l

Sampled 28 May 2026, 4 months ago · 19 results banked

0246mg/l20242025202618 Oct 2023, 09:20: 3.53 mg/l28 Nov 2023, 09:01: 2.65 mg/l12 Dec 2023, 09:53: 2.94 mg/l23 Jan 2024, 07:47: 3.04 mg/l20 Feb 2024, 07:49: 3.82 mg/l19 Mar 2024, 08:06: 2.94 mg/l30 May 2025, 10:23: 2.14 mg/l17 Jun 2025, 08:04: 1.38 mg/l2 Jul 2025, 09:06: 2.14 mg/l12 Aug 2025, 09:40: 1.39 mg/l23 Sep 2025, 09:47: 3.24 mg/l24 Oct 2025, 14:37: 5.21 mg/l17 Nov 2025, 08:56: 5.26 mg/l2 Dec 2025, 11:06: 5.55 mg/l22 Jan 2026, 09:24: 4.06 mg/l6 Feb 2026, 09:35: 3.24 mg/l20 Mar 2026, 11:01: 2.95 mg/l29 Apr 2026, 11:14: 1.85 mg/l28 May 2026, 12:54: 1.46 mg/l
Every result (19)
SampledResult as publishedReads as
28 May 2026, 12:541.46 1.46 mg/l
29 Apr 2026, 11:141.85 1.85 mg/l
20 Mar 2026, 11:012.95 2.95 mg/l
6 Feb 2026, 09:353.24 3.24 mg/l
22 Jan 2026, 09:244.06 4.06 mg/l
2 Dec 2025, 11:065.55 5.55 mg/l
17 Nov 2025, 08:565.26 5.26 mg/l
24 Oct 2025, 14:375.21 5.21 mg/l
23 Sep 2025, 09:473.24 3.24 mg/l
12 Aug 2025, 09:401.39 1.39 mg/l
2 Jul 2025, 09:062.14 2.14 mg/l
17 Jun 2025, 08:041.38 1.38 mg/l
30 May 2025, 10:232.14 2.14 mg/l
19 Mar 2024, 08:062.94 2.94 mg/l
20 Feb 2024, 07:493.82 3.82 mg/l
23 Jan 2024, 07:473.04 3.04 mg/l
12 Dec 2023, 09:532.94 2.94 mg/l
28 Nov 2023, 09:012.65 2.65 mg/l
18 Oct 2023, 09:203.53 3.53 mg/l

Phosphate

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

0.036 mg/l

Sampled 28 May 2026, 4 months ago · 19 results banked

00.050.10.15mg/l20242025202618 Oct 2023, 09:20: 0.037 mg/l28 Nov 2023, 09:01: 0.053 mg/l12 Dec 2023, 09:53: 0.11 mg/l23 Jan 2024, 07:47: 0.095 mg/l20 Feb 2024, 07:49: 0.12 mg/l19 Mar 2024, 08:06: 0.061 mg/l30 May 2025, 10:23: 0.053 mg/l17 Jun 2025, 08:04: 0.048 mg/l2 Jul 2025, 09:06: 0.081 mg/l12 Aug 2025, 09:40: 0.052 mg/l23 Sep 2025, 09:47: 0.061 mg/l24 Oct 2025, 14:37: 0.059 mg/l17 Nov 2025, 08:56: 0.041 mg/l2 Dec 2025, 11:06: 0.046 mg/l22 Jan 2026, 09:24: 0.054 mg/l6 Feb 2026, 09:35: 0.14 mg/l20 Mar 2026, 11:01: 0.037 mg/l29 Apr 2026, 11:14: 0.043 mg/l28 May 2026, 12:54: 0.036 mg/l
Every result (19)
SampledResult as publishedReads as
28 May 2026, 12:540.036 0.036 mg/l
29 Apr 2026, 11:140.043 0.043 mg/l
20 Mar 2026, 11:010.037 0.037 mg/l
6 Feb 2026, 09:350.14 0.14 mg/l
22 Jan 2026, 09:240.054 0.054 mg/l
2 Dec 2025, 11:060.046 0.046 mg/l
17 Nov 2025, 08:560.041 0.041 mg/l
24 Oct 2025, 14:370.059 0.059 mg/l
23 Sep 2025, 09:470.061 0.061 mg/l
12 Aug 2025, 09:400.052 0.052 mg/l
2 Jul 2025, 09:060.081 0.081 mg/l
17 Jun 2025, 08:040.048 0.048 mg/l
30 May 2025, 10:230.053 0.053 mg/l
19 Mar 2024, 08:060.061 0.061 mg/l
20 Feb 2024, 07:490.12 0.12 mg/l
23 Jan 2024, 07:470.095 0.095 mg/l
12 Dec 2023, 09:530.11 0.11 mg/l
28 Nov 2023, 09:010.053 0.053 mg/l
18 Oct 2023, 09:200.037 0.037 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

769 µS/cm

Sampled 28 May 2026, 4 months ago · 19 results banked

4006008001000µS/cm20242025202618 Oct 2023, 09:20: 573 µS/cm28 Nov 2023, 09:01: 446 µS/cm12 Dec 2023, 09:53: 421 µS/cm23 Jan 2024, 07:47: 586 µS/cm20 Feb 2024, 07:49: 487 µS/cm19 Mar 2024, 08:06: 517 µS/cm30 May 2025, 10:23: 811 µS/cm17 Jun 2025, 08:04: 901 µS/cm2 Jul 2025, 09:06: 826 µS/cm12 Aug 2025, 09:40: 928 µS/cm23 Sep 2025, 09:47: 832 µS/cm24 Oct 2025, 14:37: 614 µS/cm17 Nov 2025, 08:56: 588 µS/cm2 Dec 2025, 11:06: 443 µS/cm22 Jan 2026, 09:24: 452 µS/cm6 Feb 2026, 09:35: 436 µS/cm20 Mar 2026, 11:01: 622 µS/cm29 Apr 2026, 11:14: 798 µS/cm28 May 2026, 12:54: 769 µS/cm
Every result (19)
SampledResult as publishedReads as
28 May 2026, 12:54769 769 µS/cm
29 Apr 2026, 11:14798 798 µS/cm
20 Mar 2026, 11:01622 622 µS/cm
6 Feb 2026, 09:35436 436 µS/cm
22 Jan 2026, 09:24452 452 µS/cm
2 Dec 2025, 11:06443 443 µS/cm
17 Nov 2025, 08:56588 588 µS/cm
24 Oct 2025, 14:37614 614 µS/cm
23 Sep 2025, 09:47832 832 µS/cm
12 Aug 2025, 09:40928 928 µS/cm
2 Jul 2025, 09:06826 826 µS/cm
17 Jun 2025, 08:04901 901 µS/cm
30 May 2025, 10:23811 811 µS/cm
19 Mar 2024, 08:06517 517 µS/cm
20 Feb 2024, 07:49487 487 µS/cm
23 Jan 2024, 07:47586 586 µS/cm
12 Dec 2023, 09:53421 421 µS/cm
28 Nov 2023, 09:01446 446 µS/cm
18 Oct 2023, 09:20573 573 µS/cm

Everything measured here

15 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 15 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 19 Oct 2023 – May 2026 88% 28 May 2026
Oxygen, Dissolved as O2 9924 River water 19 Oct 2023 – May 2026 8.95 mg/l 28 May 2026
Temperature of Water 0076 River water 19 Oct 2023 – May 2026 14.5 °C 28 May 2026
pH 0061 River water 19 Oct 2023 – May 2026 7.82 28 May 2026
Ammoniacal Nitrogen as N 0111 River water 19 Oct 2023 – May 2026 0.037 mg/l 28 May 2026
Nitrate as N 0117 River water 19 Oct 2023 – May 2026 1.46 mg/l 28 May 2026
Orthophosphate, reactive as P 0180 River water 19 Oct 2023 – May 2026 0.036 mg/l 28 May 2026
Conductivity at 25 C 0077 River water 19 Oct 2023 – May 2026 769 µS/cm 28 May 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 19 Oct 2023 – May 2026 240 mg/l 28 May 2026
Ammonia un-ionised as N 0119 River water 19 Oct 2023 – May 2026 0.00062 mg/l 28 May 2026
BOD : 5 Day ATU 0085 River water 24 Feb 2024 – May 2026 below 3 mg/l 28 May 2026
Chloride 0172 River water 10 Jun 2025 – Mar 2026 37 mg/l 20 Mar 2026
Nitrite as N 0118 River water 19 Oct 2023 – May 2026 0.037 mg/l 28 May 2026
Nitrogen, Total Oxidised as N 0116 River water 19 Oct 2023 – May 2026 1.5 mg/l 28 May 2026
Solids, Suspended at 105 C 0135 River water 10 Jun 2025 – Mar 2026 5.6 mg/l 20 Mar 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.