River Anker - Mancetter Bridge Witherley

EA name: RIVER ANKER - MANCETTER BRIDGE WITHERLEY
Environment Agency sampling point MD-59395300 · 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, 13:055 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
21 since 20 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 432262, 296652As published, to the nearest 1 m. Open in a map
River, by its own name
Anker
River, by the map
River AnkerPlaced on the river its name gives, 1 m from the line.
Next gauge downstream
Mancetter On the River Anker · 0.1 km along the river
Nearest gauge upstream
Nuneaton On the River Anker · 12 km along the river
Why it was sampled
Monitoring (national agency policy) (21 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

136.7%

Sampled 6 May 2026, 5 months ago · 21 results banked

6080100120140%20242025202620 Jun 2024, 10:02: 98.8%23 Jul 2024, 10:40: 84%29 Aug 2024, 08:19: 69.1%25 Sep 2024, 11:56: 72.1%28 Oct 2024, 10:00: 92%18 Nov 2024, 12:23: 91%13 Dec 2024, 12:50: 82.7%19 Mar 2025, 13:29: 130.5%8 Apr 2025, 12:25: 126.4%9 May 2025, 09:19: 96.1%10 Jun 2025, 12:40: 107.1%16 Jul 2025, 09:04: 78.8%7 Aug 2025, 08:46: 77.4%4 Sep 2025, 12:15: 73.4%2 Oct 2025, 13:45: 91.3%13 Nov 2025, 09:37: 63.6%2 Dec 2025, 13:39: 88.2%9 Feb 2026, 08:55: 89.3%23 Mar 2026, 13:46: 126.2%8 Apr 2026, 10:33: 118.9%6 May 2026, 13:05: 136.7%
Every result (21)
SampledResult as publishedReads as
6 May 2026, 13:05136.7 136.7%
8 Apr 2026, 10:33118.9 118.9%
23 Mar 2026, 13:46126.2 126.2%
9 Feb 2026, 08:5589.3 89.3%
2 Dec 2025, 13:3988.2 88.2%
13 Nov 2025, 09:3763.6 63.6%
2 Oct 2025, 13:4591.3 91.3%
4 Sep 2025, 12:1573.4 73.4%
7 Aug 2025, 08:4677.4 77.4%
16 Jul 2025, 09:0478.8 78.8%
10 Jun 2025, 12:40107.1 107.1%
9 May 2025, 09:1996.1 96.1%
8 Apr 2025, 12:25126.4 126.4%
19 Mar 2025, 13:29130.5 130.5%
13 Dec 2024, 12:5082.7 82.7%
18 Nov 2024, 12:2391 91%
28 Oct 2024, 10:0092 92%
25 Sep 2024, 11:5672.1 72.1%
29 Aug 2024, 08:1969.1 69.1%
23 Jul 2024, 10:4084 84%
20 Jun 2024, 10:0298.8 98.8%

Dissolved oxygen

as O2 · code 9924 · mg/l

13.8 mg/l

Sampled 6 May 2026, 5 months ago · 21 results banked

6810121416mg/l20242025202620 Jun 2024, 10:02: 9.62 mg/l23 Jul 2024, 10:40: 7.9 mg/l29 Aug 2024, 08:19: 6.83 mg/l25 Sep 2024, 11:56: 7.4 mg/l28 Oct 2024, 10:00: 9.8 mg/l18 Nov 2024, 12:23: 10.1 mg/l13 Dec 2024, 12:50: 9.64 mg/l19 Mar 2025, 13:29: 14.7 mg/l8 Apr 2025, 12:25: 13.6 mg/l9 May 2025, 09:19: 10.4 mg/l10 Jun 2025, 12:40: 10.4 mg/l16 Jul 2025, 09:04: 7.58 mg/l7 Aug 2025, 08:46: 7.34 mg/l4 Sep 2025, 12:15: 7.15 mg/l2 Oct 2025, 13:45: 9.1 mg/l13 Nov 2025, 09:37: 6.76 mg/l2 Dec 2025, 13:39: 9.98 mg/l9 Feb 2026, 08:55: 10.6 mg/l23 Mar 2026, 13:46: 13.6 mg/l8 Apr 2026, 10:33: 12.6 mg/l6 May 2026, 13:05: 13.8 mg/l
Every result (21)
SampledResult as publishedReads as
6 May 2026, 13:0513.8 13.8 mg/l
8 Apr 2026, 10:3312.6 12.6 mg/l
23 Mar 2026, 13:4613.6 13.6 mg/l
9 Feb 2026, 08:5510.6 10.6 mg/l
2 Dec 2025, 13:399.98 9.98 mg/l
13 Nov 2025, 09:376.76 6.76 mg/l
2 Oct 2025, 13:459.1 9.1 mg/l
4 Sep 2025, 12:157.15 7.15 mg/l
7 Aug 2025, 08:467.34 7.34 mg/l
16 Jul 2025, 09:047.58 7.58 mg/l
10 Jun 2025, 12:4010.4 10.4 mg/l
9 May 2025, 09:1910.4 10.4 mg/l
8 Apr 2025, 12:2513.6 13.6 mg/l
19 Mar 2025, 13:2914.7 14.7 mg/l
13 Dec 2024, 12:509.64 9.64 mg/l
18 Nov 2024, 12:2310.1 10.1 mg/l
28 Oct 2024, 10:009.8 9.8 mg/l
25 Sep 2024, 11:567.4 7.4 mg/l
29 Aug 2024, 08:196.83 6.83 mg/l
23 Jul 2024, 10:407.9 7.9 mg/l
20 Jun 2024, 10:029.62 9.62 mg/l

Water temperature

code 0076 · °C

14.8 °C

Sampled 6 May 2026, 5 months ago · 21 results banked

5101520°C20242025202620 Jun 2024, 10:02: 16.5 °C23 Jul 2024, 10:40: 18.2 °C29 Aug 2024, 08:19: 15.8 °C25 Sep 2024, 11:56: 14.1 °C28 Oct 2024, 10:00: 12.4 °C18 Nov 2024, 12:23: 10.6 °C13 Dec 2024, 12:50: 8.6 °C19 Mar 2025, 13:29: 10.1 °C8 Apr 2025, 12:25: 12.1 °C9 May 2025, 09:19: 11.6 °C10 Jun 2025, 12:40: 16.8 °C16 Jul 2025, 09:04: 17.1 °C7 Aug 2025, 08:46: 17.8 °C4 Sep 2025, 12:15: 16.5 °C2 Oct 2025, 13:45: 15.4 °C13 Nov 2025, 09:37: 12.5 °C2 Dec 2025, 13:39: 9.8 °C9 Feb 2026, 08:55: 7.8 °C23 Mar 2026, 13:46: 12 °C8 Apr 2026, 10:33: 12.7 °C6 May 2026, 13:05: 14.8 °C
Every result (21)
SampledResult as publishedReads as
6 May 2026, 13:0514.8 14.8 °C
8 Apr 2026, 10:3312.7 12.7 °C
23 Mar 2026, 13:4612 12 °C
9 Feb 2026, 08:557.8 7.8 °C
2 Dec 2025, 13:399.8 9.8 °C
13 Nov 2025, 09:3712.5 12.5 °C
2 Oct 2025, 13:4515.4 15.4 °C
4 Sep 2025, 12:1516.5 16.5 °C
7 Aug 2025, 08:4617.8 17.8 °C
16 Jul 2025, 09:0417.1 17.1 °C
10 Jun 2025, 12:4016.8 16.8 °C
9 May 2025, 09:1911.6 11.6 °C
8 Apr 2025, 12:2512.1 12.1 °C
19 Mar 2025, 13:2910.1 10.1 °C
13 Dec 2024, 12:508.6 8.6 °C
18 Nov 2024, 12:2310.6 10.6 °C
28 Oct 2024, 10:0012.4 12.4 °C
25 Sep 2024, 11:5614.1 14.1 °C
29 Aug 2024, 08:1915.8 15.8 °C
23 Jul 2024, 10:4018.2 18.2 °C
20 Jun 2024, 10:0216.5 16.5 °C

pH

code 0061

7.5

Sampled 6 May 2026, 5 months ago · 21 results banked

7.27.47.67.8820242025202620 Jun 2024, 10:02: 7.8223 Jul 2024, 10:40: 7.4729 Aug 2024, 08:19: 7.425 Sep 2024, 11:56: 7.3228 Oct 2024, 10:00: 7.6518 Nov 2024, 12:23: 7.513 Dec 2024, 12:50: 7.6819 Mar 2025, 13:29: 7.948 Apr 2025, 12:25: 7.859 May 2025, 09:19: 7.7410 Jun 2025, 12:40: 7.6916 Jul 2025, 09:04: 7.467 Aug 2025, 08:46: 7.584 Sep 2025, 12:15: 7.382 Oct 2025, 13:45: 7.7213 Nov 2025, 09:37: 7.322 Dec 2025, 13:39: 7.69 Feb 2026, 08:55: 7.4523 Mar 2026, 13:46: 7.878 Apr 2026, 10:33: 7.956 May 2026, 13:05: 7.5
Every result (21)
SampledResult as publishedReads as
6 May 2026, 13:057.5 7.5
8 Apr 2026, 10:337.95 7.95
23 Mar 2026, 13:467.87 7.87
9 Feb 2026, 08:557.45 7.45
2 Dec 2025, 13:397.6 7.6
13 Nov 2025, 09:377.32 7.32
2 Oct 2025, 13:457.72 7.72
4 Sep 2025, 12:157.38 7.38
7 Aug 2025, 08:467.58 7.58
16 Jul 2025, 09:047.46 7.46
10 Jun 2025, 12:407.69 7.69
9 May 2025, 09:197.74 7.74
8 Apr 2025, 12:257.85 7.85
19 Mar 2025, 13:297.94 7.94
13 Dec 2024, 12:507.68 7.68
18 Nov 2024, 12:237.5 7.5
28 Oct 2024, 10:007.65 7.65
25 Sep 2024, 11:567.32 7.32
29 Aug 2024, 08:197.4 7.4
23 Jul 2024, 10:407.47 7.47
20 Jun 2024, 10:027.82 7.82

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 6 May 2026, 5 months ago · 21 results banked

00.20.40.60.8mg/l20242025202620 Jun 2024, 10:02: below 0.03 mg/l (not detected above this)23 Jul 2024, 10:40: 0.031 mg/l29 Aug 2024, 08:19: 0.034 mg/l25 Sep 2024, 11:56: 0.072 mg/l28 Oct 2024, 10:00: below 0.03 mg/l (not detected above this)18 Nov 2024, 12:23: 0.32 mg/l13 Dec 2024, 12:50: 0.36 mg/l19 Mar 2025, 13:29: 0.13 mg/l8 Apr 2025, 12:25: below 0.03 mg/l (not detected above this)9 May 2025, 09:19: 0.042 mg/l10 Jun 2025, 12:40: below 0.03 mg/l (not detected above this)16 Jul 2025, 09:04: 0.067 mg/l7 Aug 2025, 08:46: below 0.03 mg/l (not detected above this)4 Sep 2025, 12:15: 0.41 mg/l2 Oct 2025, 13:45: 0.65 mg/l13 Nov 2025, 09:37: 0.34 mg/l2 Dec 2025, 13:39: 0.037 mg/l9 Feb 2026, 08:55: 0.17 mg/l23 Mar 2026, 13:46: below 0.03 mg/l (not detected above this)8 Apr 2026, 10:33: below 0.03 mg/l (not detected above this)6 May 2026, 13:05: below 0.03 mg/l (not detected above this)
Every result (21)
SampledResult as publishedReads as
6 May 2026, 13:05<0.03 below 0.03 mg/l (not detected above this)
8 Apr 2026, 10:33<0.03 below 0.03 mg/l (not detected above this)
23 Mar 2026, 13:46<0.03 below 0.03 mg/l (not detected above this)
9 Feb 2026, 08:550.17 0.17 mg/l
2 Dec 2025, 13:390.037 0.037 mg/l
13 Nov 2025, 09:370.34 0.34 mg/l
2 Oct 2025, 13:450.65 0.65 mg/l
4 Sep 2025, 12:150.41 0.41 mg/l
7 Aug 2025, 08:46<0.03 below 0.03 mg/l (not detected above this)
16 Jul 2025, 09:040.067 0.067 mg/l
10 Jun 2025, 12:40<0.03 below 0.03 mg/l (not detected above this)
9 May 2025, 09:190.042 0.042 mg/l
8 Apr 2025, 12:25<0.03 below 0.03 mg/l (not detected above this)
19 Mar 2025, 13:290.13 0.13 mg/l
13 Dec 2024, 12:500.36 0.36 mg/l
18 Nov 2024, 12:230.32 0.32 mg/l
28 Oct 2024, 10:00<0.03 below 0.03 mg/l (not detected above this)
25 Sep 2024, 11:560.072 0.072 mg/l
29 Aug 2024, 08:190.034 0.034 mg/l
23 Jul 2024, 10:400.031 0.031 mg/l
20 Jun 2024, 10:02<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

16 mg/l

Sampled 6 May 2026, 5 months ago · 21 results banked

510152025mg/l20242025202620 Jun 2024, 10:02: 13.9 mg/l23 Jul 2024, 10:40: 17 mg/l29 Aug 2024, 08:19: 21 mg/l25 Sep 2024, 11:56: 10.9 mg/l28 Oct 2024, 10:00: 13 mg/l18 Nov 2024, 12:23: 13.8 mg/l13 Dec 2024, 12:50: 12.9 mg/l19 Mar 2025, 13:29: 17.9 mg/l8 Apr 2025, 12:25: 17.9 mg/l9 May 2025, 09:19: 20.8 mg/l10 Jun 2025, 12:40: 16 mg/l16 Jul 2025, 09:04: 13 mg/l7 Aug 2025, 08:46: 16 mg/l4 Sep 2025, 12:15: 12.9 mg/l2 Oct 2025, 13:45: 19.7 mg/l13 Nov 2025, 09:37: 10.8 mg/l2 Dec 2025, 13:39: 11 mg/l9 Feb 2026, 08:55: 5.67 mg/l23 Mar 2026, 13:46: 11.9 mg/l8 Apr 2026, 10:33: 13 mg/l6 May 2026, 13:05: 16 mg/l
Every result (21)
SampledResult as publishedReads as
6 May 2026, 13:0516 16 mg/l
8 Apr 2026, 10:3313 13 mg/l
23 Mar 2026, 13:4611.9 11.9 mg/l
9 Feb 2026, 08:555.67 5.67 mg/l
2 Dec 2025, 13:3911 11 mg/l
13 Nov 2025, 09:3710.8 10.8 mg/l
2 Oct 2025, 13:4519.7 19.7 mg/l
4 Sep 2025, 12:1512.9 12.9 mg/l
7 Aug 2025, 08:4616 16 mg/l
16 Jul 2025, 09:0413 13 mg/l
10 Jun 2025, 12:4016 16 mg/l
9 May 2025, 09:1920.8 20.8 mg/l
8 Apr 2025, 12:2517.9 17.9 mg/l
19 Mar 2025, 13:2917.9 17.9 mg/l
13 Dec 2024, 12:5012.9 12.9 mg/l
18 Nov 2024, 12:2313.8 13.8 mg/l
28 Oct 2024, 10:0013 13 mg/l
25 Sep 2024, 11:5610.9 10.9 mg/l
29 Aug 2024, 08:1921 21 mg/l
23 Jul 2024, 10:4017 17 mg/l
20 Jun 2024, 10:0213.9 13.9 mg/l

Phosphate

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

0.075 mg/l

Sampled 6 May 2026, 5 months ago · 21 results banked

00.20.40.6mg/l20242025202620 Jun 2024, 10:02: 0.37 mg/l23 Jul 2024, 10:40: 0.49 mg/l29 Aug 2024, 08:19: 0.48 mg/l25 Sep 2024, 11:56: 0.21 mg/l28 Oct 2024, 10:00: 0.23 mg/l18 Nov 2024, 12:23: 0.29 mg/l13 Dec 2024, 12:50: 0.15 mg/l19 Mar 2025, 13:29: 0.17 mg/l8 Apr 2025, 12:25: 0.17 mg/l9 May 2025, 09:19: 0.2 mg/l10 Jun 2025, 12:40: 0.19 mg/l16 Jul 2025, 09:04: 0.32 mg/l7 Aug 2025, 08:46: 0.45 mg/l4 Sep 2025, 12:15: 0.46 mg/l2 Oct 2025, 13:45: 0.15 mg/l13 Nov 2025, 09:37: 0.21 mg/l2 Dec 2025, 13:39: 0.14 mg/l9 Feb 2026, 08:55: 0.12 mg/l23 Mar 2026, 13:46: 0.036 mg/l8 Apr 2026, 10:33: 0.032 mg/l6 May 2026, 13:05: 0.075 mg/l
Every result (21)
SampledResult as publishedReads as
6 May 2026, 13:050.075 0.075 mg/l
8 Apr 2026, 10:330.032 0.032 mg/l
23 Mar 2026, 13:460.036 0.036 mg/l
9 Feb 2026, 08:550.12 0.12 mg/l
2 Dec 2025, 13:390.14 0.14 mg/l
13 Nov 2025, 09:370.21 0.21 mg/l
2 Oct 2025, 13:450.15 0.15 mg/l
4 Sep 2025, 12:150.46 0.46 mg/l
7 Aug 2025, 08:460.45 0.45 mg/l
16 Jul 2025, 09:040.32 0.32 mg/l
10 Jun 2025, 12:400.19 0.19 mg/l
9 May 2025, 09:190.2 0.2 mg/l
8 Apr 2025, 12:250.17 0.17 mg/l
19 Mar 2025, 13:290.17 0.17 mg/l
13 Dec 2024, 12:500.15 0.15 mg/l
18 Nov 2024, 12:230.29 0.29 mg/l
28 Oct 2024, 10:000.23 0.23 mg/l
25 Sep 2024, 11:560.21 0.21 mg/l
29 Aug 2024, 08:190.48 0.48 mg/l
23 Jul 2024, 10:400.49 0.49 mg/l
20 Jun 2024, 10:020.37 0.37 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

897 µS/cm

Sampled 6 May 2026, 5 months ago · 21 results banked

40060080010001200µS/cm20242025202620 Jun 2024, 10:02: 852 µS/cm23 Jul 2024, 10:40: 689 µS/cm29 Aug 2024, 08:19: 932 µS/cm25 Sep 2024, 11:56: 643 µS/cm28 Oct 2024, 10:00: 791 µS/cm18 Nov 2024, 12:23: 847 µS/cm13 Dec 2024, 12:50: 757 µS/cm19 Mar 2025, 13:29: 948 µS/cm8 Apr 2025, 12:25: 986 µS/cm9 May 2025, 09:19: 1001 µS/cm10 Jun 2025, 12:40: 877 µS/cm16 Jul 2025, 09:04: 901 µS/cm7 Aug 2025, 08:46: 961 µS/cm4 Sep 2025, 12:15: 684 µS/cm2 Oct 2025, 13:45: 903 µS/cm13 Nov 2025, 09:37: 582 µS/cm2 Dec 2025, 13:39: 613 µS/cm9 Feb 2026, 08:55: 484 µS/cm23 Mar 2026, 13:46: 829 µS/cm8 Apr 2026, 10:33: 881 µS/cm6 May 2026, 13:05: 897 µS/cm
Every result (21)
SampledResult as publishedReads as
6 May 2026, 13:05897 897 µS/cm
8 Apr 2026, 10:33881 881 µS/cm
23 Mar 2026, 13:46829 829 µS/cm
9 Feb 2026, 08:55484 484 µS/cm
2 Dec 2025, 13:39613 613 µS/cm
13 Nov 2025, 09:37582 582 µS/cm
2 Oct 2025, 13:45903 903 µS/cm
4 Sep 2025, 12:15684 684 µS/cm
7 Aug 2025, 08:46961 961 µS/cm
16 Jul 2025, 09:04901 901 µS/cm
10 Jun 2025, 12:40877 877 µS/cm
9 May 2025, 09:191001 1001 µS/cm
8 Apr 2025, 12:25986 986 µS/cm
19 Mar 2025, 13:29948 948 µS/cm
13 Dec 2024, 12:50757 757 µS/cm
18 Nov 2024, 12:23847 847 µS/cm
28 Oct 2024, 10:00791 791 µS/cm
25 Sep 2024, 11:56643 643 µS/cm
29 Aug 2024, 08:19932 932 µS/cm
23 Jul 2024, 10:40689 689 µS/cm
20 Jun 2024, 10:02852 852 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 21 Jun 2024 – May 2026 136.7% 6 May 2026
Oxygen, Dissolved as O2 9924 River water 21 Jun 2024 – May 2026 13.8 mg/l 6 May 2026
Temperature of Water 0076 River water 21 Jun 2024 – May 2026 14.8 °C 6 May 2026
pH 0061 River water 21 Jun 2024 – May 2026 7.5 6 May 2026
Ammoniacal Nitrogen as N 0111 River water 21 Jun 2024 – May 2026 below 0.03 mg/l 6 May 2026
Nitrate as N 0117 River water 21 Jun 2024 – May 2026 16 mg/l 6 May 2026
Orthophosphate, reactive as P 0180 River water 21 Jun 2024 – May 2026 0.075 mg/l 6 May 2026
Conductivity at 25 C 0077 River water 21 Jun 2024 – May 2026 897 µS/cm 6 May 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 21 Jun 2024 – May 2026 98 mg/l 6 May 2026
Ammonia un-ionised as N 0119 River water 21 Jun 2024 – May 2026 below 0.00025 mg/l 6 May 2026
BOD : 5 Day ATU 0085 River water 21 Jun 2024 – May 2026 below 3 mg/l 6 May 2026
Nitrite as N 0118 River water 21 Jun 2024 – May 2026 0.023 mg/l 6 May 2026
Nitrogen, Total Oxidised as N 0116 River water 21 Jun 2024 – May 2026 16 mg/l 6 May 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.