Markeaton Brook at Markeaton

EA name: MARKEATON BROOK AT MARKEATON
Environment Agency sampling point MD-50014900 · 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
7 Mar 2025, 11:0619 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 8 Oct 2026 and had nothing newer.
Samples banked
17 since 10 Oct 2023 Imported periods: 1 Oct 2023 – 8 Oct 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Planned investigation (local monitoring)
Where
National Grid 433260, 338144As published, to the nearest 1 m. Open in a map
River, by its own name
Markeaton Brook
River, by the map
Markeaton BrookPlaced on the river its name gives, 1 m from the line.
Next gauge downstream
Derby Bridge Street On the Markeaton Brook · 2.3 km along the river
Why it was sampled
Planned investigation (local monitoring) (16 samples)
Monitoring (national agency policy) (1 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

105.3%

Sampled 7 Mar 2025, 19 months ago · 16 results banked

859095100105110%202420252026no sample published after Mar 202510 Oct 2023, 13:13: 92.7%1 Nov 2023, 10:08: 97.2%1 Dec 2023, 11:06: 99.2%9 Jan 2024, 12:26: 98.3%2 Feb 2024, 11:58: 100.4%4 Mar 2024, 11:43: 101.3%6 Jun 2024, 09:53: 96%10 Jul 2024, 08:43: 92.3%2 Aug 2024, 12:39: 93.7%2 Sep 2024, 10:06: 88.8%10 Oct 2024, 13:26: 94.1%11 Nov 2024, 09:22: 90.8%11 Dec 2024, 13:37: 97.5%9 Jan 2025, 09:36: 98.1%5 Feb 2025, 09:48: 99.6%7 Mar 2025, 11:06: 105.3%
Every result (16)
SampledResult as publishedReads as
7 Mar 2025, 11:06105.3 105.3%
5 Feb 2025, 09:4899.6 99.6%
9 Jan 2025, 09:3698.1 98.1%
11 Dec 2024, 13:3797.5 97.5%
11 Nov 2024, 09:2290.8 90.8%
10 Oct 2024, 13:2694.1 94.1%
2 Sep 2024, 10:0688.8 88.8%
2 Aug 2024, 12:3993.7 93.7%
10 Jul 2024, 08:4392.3 92.3%
6 Jun 2024, 09:5396 96%
4 Mar 2024, 11:43101.3 101.3%
2 Feb 2024, 11:58100.4 100.4%
9 Jan 2024, 12:2698.3 98.3%
1 Dec 2023, 11:0699.2 99.2%
1 Nov 2023, 10:0897.2 97.2%
10 Oct 2023, 13:1392.7 92.7%

Dissolved oxygen

as O2 · code 9924 · mg/l

12.1 mg/l

Sampled 7 Mar 2025, 19 months ago · 16 results banked

8101214mg/l202420252026no sample published after Mar 202510 Oct 2023, 13:13: 9.09 mg/l1 Nov 2023, 10:08: 10.7 mg/l1 Dec 2023, 11:06: 13.4 mg/l9 Jan 2024, 12:26: 12.9 mg/l2 Feb 2024, 11:58: 12.2 mg/l4 Mar 2024, 11:43: 12.8 mg/l6 Jun 2024, 09:53: 10 mg/l10 Jul 2024, 08:43: 9.18 mg/l2 Aug 2024, 12:39: 8.29 mg/l2 Sep 2024, 10:06: 8.49 mg/l10 Oct 2024, 13:26: 10.3 mg/l11 Nov 2024, 09:22: 10.6 mg/l11 Dec 2024, 13:37: 12.1 mg/l9 Jan 2025, 09:36: 13.5 mg/l5 Feb 2025, 09:48: 12.8 mg/l7 Mar 2025, 11:06: 12.1 mg/l
Every result (16)
SampledResult as publishedReads as
7 Mar 2025, 11:0612.1 12.1 mg/l
5 Feb 2025, 09:4812.8 12.8 mg/l
9 Jan 2025, 09:3613.5 13.5 mg/l
11 Dec 2024, 13:3712.1 12.1 mg/l
11 Nov 2024, 09:2210.6 10.6 mg/l
10 Oct 2024, 13:2610.3 10.3 mg/l
2 Sep 2024, 10:068.49 8.49 mg/l
2 Aug 2024, 12:398.29 8.29 mg/l
10 Jul 2024, 08:439.18 9.18 mg/l
6 Jun 2024, 09:5310 10 mg/l
4 Mar 2024, 11:4312.8 12.8 mg/l
2 Feb 2024, 11:5812.2 12.2 mg/l
9 Jan 2024, 12:2612.9 12.9 mg/l
1 Dec 2023, 11:0613.4 13.4 mg/l
1 Nov 2023, 10:0810.7 10.7 mg/l
10 Oct 2023, 13:139.09 9.09 mg/l

Water temperature

code 0076 · °C

9.1 °C

Sampled 7 Mar 2025, 19 months ago · 16 results banked

0510152025°C202420252026no sample published after Mar 202510 Oct 2023, 13:13: 16.2 °C1 Nov 2023, 10:08: 10.9 °C1 Dec 2023, 11:06: 2.8 °C9 Jan 2024, 12:26: 3.9 °C2 Feb 2024, 11:58: 6.9 °C4 Mar 2024, 11:43: 5.5 °C6 Jun 2024, 09:53: 13.4 °C10 Jul 2024, 08:43: 15.5 °C2 Aug 2024, 12:39: 21.3 °C2 Sep 2024, 10:06: 17.4 °C10 Oct 2024, 13:26: 11.2 °C11 Nov 2024, 09:22: 8.7 °C11 Dec 2024, 13:37: 6.2 °C9 Jan 2025, 09:36: 2 °C5 Feb 2025, 09:48: 4.7 °C7 Mar 2025, 11:06: 9.1 °C
Every result (16)
SampledResult as publishedReads as
7 Mar 2025, 11:069.1 9.1 °C
5 Feb 2025, 09:484.7 4.7 °C
9 Jan 2025, 09:362 2 °C
11 Dec 2024, 13:376.2 6.2 °C
11 Nov 2024, 09:228.7 8.7 °C
10 Oct 2024, 13:2611.2 11.2 °C
2 Sep 2024, 10:0617.4 17.4 °C
2 Aug 2024, 12:3921.3 21.3 °C
10 Jul 2024, 08:4315.5 15.5 °C
6 Jun 2024, 09:5313.4 13.4 °C
4 Mar 2024, 11:435.5 5.5 °C
2 Feb 2024, 11:586.9 6.9 °C
9 Jan 2024, 12:263.9 3.9 °C
1 Dec 2023, 11:062.8 2.8 °C
1 Nov 2023, 10:0810.9 10.9 °C
10 Oct 2023, 13:1316.2 16.2 °C

pH

code 0061

8.43

Sampled 7 Mar 2025, 19 months ago · 16 results banked

7.888.28.48.6202420252026no sample published after Mar 202510 Oct 2023, 13:13: 8.161 Nov 2023, 10:08: 7.971 Dec 2023, 11:06: 8.289 Jan 2024, 12:26: 8.182 Feb 2024, 11:58: 8.24 Mar 2024, 11:43: 8.26 Jun 2024, 09:53: 8.3410 Jul 2024, 08:43: 7.962 Aug 2024, 12:39: 8.112 Sep 2024, 10:06: 8.1410 Oct 2024, 13:26: 8.1911 Nov 2024, 09:22: 8.1311 Dec 2024, 13:37: 8.289 Jan 2025, 09:36: 8.165 Feb 2025, 09:48: 8.37 Mar 2025, 11:06: 8.43
Every result (16)
SampledResult as publishedReads as
7 Mar 2025, 11:068.43 8.43
5 Feb 2025, 09:488.3 8.3
9 Jan 2025, 09:368.16 8.16
11 Dec 2024, 13:378.28 8.28
11 Nov 2024, 09:228.13 8.13
10 Oct 2024, 13:268.19 8.19
2 Sep 2024, 10:068.14 8.14
2 Aug 2024, 12:398.11 8.11
10 Jul 2024, 08:437.96 7.96
6 Jun 2024, 09:538.34 8.34
4 Mar 2024, 11:438.2 8.2
2 Feb 2024, 11:588.2 8.2
9 Jan 2024, 12:268.18 8.18
1 Dec 2023, 11:068.28 8.28
1 Nov 2023, 10:087.97 7.97
10 Oct 2023, 13:138.16 8.16

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 7 Mar 2025, 19 months ago · 16 results banked

0.020.040.060.080.1mg/l202420252026no sample published after Mar 202510 Oct 2023, 13:13: below 0.03 mg/l (not detected above this)1 Nov 2023, 10:08: 0.064 mg/l1 Dec 2023, 11:06: 0.061 mg/l9 Jan 2024, 12:26: 0.081 mg/l2 Feb 2024, 11:58: 0.05 mg/l4 Mar 2024, 11:43: 0.049 mg/l6 Jun 2024, 09:53: below 0.03 mg/l (not detected above this)10 Jul 2024, 08:43: 0.082 mg/l2 Aug 2024, 12:39: below 0.03 mg/l (not detected above this)2 Sep 2024, 10:06: below 0.03 mg/l (not detected above this)10 Oct 2024, 13:26: 0.032 mg/l11 Nov 2024, 09:22: below 0.03 mg/l (not detected above this)11 Dec 2024, 13:37: 0.05 mg/l9 Jan 2025, 09:36: 0.048 mg/l5 Feb 2025, 09:48: 0.035 mg/l7 Mar 2025, 11:06: below 0.03 mg/l (not detected above this)
Every result (16)
SampledResult as publishedReads as
7 Mar 2025, 11:06<0.03 below 0.03 mg/l (not detected above this)
5 Feb 2025, 09:480.035 0.035 mg/l
9 Jan 2025, 09:360.048 0.048 mg/l
11 Dec 2024, 13:370.05 0.05 mg/l
11 Nov 2024, 09:22<0.03 below 0.03 mg/l (not detected above this)
10 Oct 2024, 13:260.032 0.032 mg/l
2 Sep 2024, 10:06<0.03 below 0.03 mg/l (not detected above this)
2 Aug 2024, 12:39<0.03 below 0.03 mg/l (not detected above this)
10 Jul 2024, 08:430.082 0.082 mg/l
6 Jun 2024, 09:53<0.03 below 0.03 mg/l (not detected above this)
4 Mar 2024, 11:430.049 0.049 mg/l
2 Feb 2024, 11:580.05 0.05 mg/l
9 Jan 2024, 12:260.081 0.081 mg/l
1 Dec 2023, 11:060.061 0.061 mg/l
1 Nov 2023, 10:080.064 0.064 mg/l
10 Oct 2023, 13:13<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

4.38 mg/l

Sampled 7 Mar 2025, 19 months ago · 16 results banked

23456mg/l202420252026no sample published after Mar 202510 Oct 2023, 13:13: 2.79 mg/l1 Nov 2023, 10:08: 4.08 mg/l1 Dec 2023, 11:06: 4.88 mg/l9 Jan 2024, 12:26: 5.28 mg/l2 Feb 2024, 11:58: 5.08 mg/l4 Mar 2024, 11:43: 4.78 mg/l6 Jun 2024, 09:53: 3.99 mg/l10 Jul 2024, 08:43: 3.47 mg/l2 Aug 2024, 12:39: 2.39 mg/l2 Sep 2024, 10:06: 2.59 mg/l10 Oct 2024, 13:26: 3.48 mg/l11 Nov 2024, 09:22: 4.17 mg/l11 Dec 2024, 13:37: 4.88 mg/l9 Jan 2025, 09:36: 4.99 mg/l5 Feb 2025, 09:48: 5.08 mg/l7 Mar 2025, 11:06: 4.38 mg/l
Every result (16)
SampledResult as publishedReads as
7 Mar 2025, 11:064.38 4.38 mg/l
5 Feb 2025, 09:485.08 5.08 mg/l
9 Jan 2025, 09:364.99 4.99 mg/l
11 Dec 2024, 13:374.88 4.88 mg/l
11 Nov 2024, 09:224.17 4.17 mg/l
10 Oct 2024, 13:263.48 3.48 mg/l
2 Sep 2024, 10:062.59 2.59 mg/l
2 Aug 2024, 12:392.39 2.39 mg/l
10 Jul 2024, 08:433.47 3.47 mg/l
6 Jun 2024, 09:533.99 3.99 mg/l
4 Mar 2024, 11:434.78 4.78 mg/l
2 Feb 2024, 11:585.08 5.08 mg/l
9 Jan 2024, 12:265.28 5.28 mg/l
1 Dec 2023, 11:064.88 4.88 mg/l
1 Nov 2023, 10:084.08 4.08 mg/l
10 Oct 2023, 13:132.79 2.79 mg/l

Phosphate

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

0.029 mg/l

Sampled 7 Mar 2025, 19 months ago · 16 results banked

0.020.030.040.050.06mg/l202420252026no sample published after Mar 202510 Oct 2023, 13:13: 0.05 mg/l1 Nov 2023, 10:08: 0.049 mg/l1 Dec 2023, 11:06: 0.042 mg/l9 Jan 2024, 12:26: 0.053 mg/l2 Feb 2024, 11:58: 0.041 mg/l4 Mar 2024, 11:43: 0.051 mg/l6 Jun 2024, 09:53: 0.022 mg/l10 Jul 2024, 08:43: 0.034 mg/l2 Aug 2024, 12:39: 0.036 mg/l2 Sep 2024, 10:06: 0.034 mg/l10 Oct 2024, 13:26: 0.054 mg/l11 Nov 2024, 09:22: 0.042 mg/l11 Dec 2024, 13:37: 0.046 mg/l9 Jan 2025, 09:36: 0.054 mg/l5 Feb 2025, 09:48: 0.041 mg/l7 Mar 2025, 11:06: 0.029 mg/l
Every result (16)
SampledResult as publishedReads as
7 Mar 2025, 11:060.029 0.029 mg/l
5 Feb 2025, 09:480.041 0.041 mg/l
9 Jan 2025, 09:360.054 0.054 mg/l
11 Dec 2024, 13:370.046 0.046 mg/l
11 Nov 2024, 09:220.042 0.042 mg/l
10 Oct 2024, 13:260.054 0.054 mg/l
2 Sep 2024, 10:060.034 0.034 mg/l
2 Aug 2024, 12:390.036 0.036 mg/l
10 Jul 2024, 08:430.034 0.034 mg/l
6 Jun 2024, 09:530.022 0.022 mg/l
4 Mar 2024, 11:430.051 0.051 mg/l
2 Feb 2024, 11:580.041 0.041 mg/l
9 Jan 2024, 12:260.053 0.053 mg/l
1 Dec 2023, 11:060.042 0.042 mg/l
1 Nov 2023, 10:080.049 0.049 mg/l
10 Oct 2023, 13:130.05 0.05 mg/l

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 16 Oct 2023 – Mar 2025 105.3% 7 Mar 2025
Oxygen, Dissolved as O2 9924 River water 16 Oct 2023 – Mar 2025 12.1 mg/l 7 Mar 2025
Temperature of Water 0076 River water 16 Oct 2023 – Mar 2025 9.1 °C 7 Mar 2025
pH 0061 River water 16 Oct 2023 – Mar 2025 8.43 7 Mar 2025
Ammoniacal Nitrogen as N 0111 River water 16 Oct 2023 – Mar 2025 below 0.03 mg/l 7 Mar 2025
Nitrate as N 0117 River water 16 Oct 2023 – Mar 2025 4.38 mg/l 7 Mar 2025
Orthophosphate, reactive as P 0180 River water 16 Oct 2023 – Mar 2025 0.029 mg/l 7 Mar 2025
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 May 2024 – May 2024 below 0.002 µg/l 2 May 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
3-Perfluoroheptylpropanoic acid 2925 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
3:3 Fluorotelomer carboxylic acid 2926 River water 1 May 2024 – May 2024 below 0.004 µg/l 2 May 2024
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 May 2024 – May 2024 below 0.005 µg/l 2 May 2024
4:2 Fluorotelomer sulfonic acid 2987 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
6:2 Fluorotelomer sulfonic acid 2984 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
8:2 Fluorotelomer sulfonic acid 2983 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Alkalinity to pH 4.5 as CaCO3 0162 River water 16 Oct 2023 – Mar 2025 200 mg/l 7 Mar 2025
Ammonia un-ionised as N 0119 River water 16 Oct 2023 – Mar 2025 below 0.00051 mg/l 7 Mar 2025
BOD : 5 Day ATU 0085 River water 15 Oct 2023 – Mar 2025 1.7 mg/l 7 Mar 2025
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
N-Ethylperfluorooctanesulfonamide 2977 River water 1 May 2024 – May 2024 below 0.002 µg/l 2 May 2024
N-methylperfluorooctanesulfonamide 2975 River water 1 May 2024 – May 2024 below 0.002 µg/l 2 May 2024
Nitrite as N 0118 River water 16 Oct 2023 – Mar 2025 0.018 mg/l 7 Mar 2025
Nitrogen, Total Oxidised as N 0116 River water 16 Oct 2023 – Mar 2025 4.4 mg/l 7 Mar 2025
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluoro-3-methoxypropanoic acid 2921 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluorobutanesulfonic acid 2972 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
Perfluorobutanoic acid 2995 River water 1 May 2024 – May 2024 0.0016 µg/l 2 May 2024
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluorodecanesulfonic acid 2969 River water 1 May 2024 – May 2024 below 0.002 µg/l 2 May 2024
Perfluorodecanoic acid 8892 River water 1 May 2024 – May 2024 below 0.002 µg/l 2 May 2024
Perfluorododecane sulfonic acid 2968 River water 1 May 2024 – May 2024 below 0.005 µg/l 2 May 2024
Perfluorododecanoic acid 8894 River water 1 May 2024 – May 2024 below 0.002 µg/l 2 May 2024
Perfluoroheptanesulfonic acid 2967 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluoroheptanoic acid 8889 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
Perfluorohexanesulfonamide 2965 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluorohexanesulfonic acid (B) 2944 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluorohexanesulfonic acid (L) 2964 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluorohexanoic acid 8888 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluorononanesulfonic acid 2963 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluorononanoic acid 8891 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
Perfluorooctadecanoic acid 2962 River water 1 May 2024 – May 2024 below 0.002 µg/l 2 May 2024
Perfluorooctanesulfonamide 2961 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
Perfluorooctanesulfonic acid (branched) 2960 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluorooctanesulfonic acid (linear) 2959 River water 1 May 2024 – May 2024 0.0009 µg/l 2 May 2024
Perfluorooctanoic acid 8890 River water 1 May 2024 – May 2024 0.00074 µg/l 2 May 2024
Perfluoropentanesulfonic acid 2957 River water 1 May 2024 – May 2024 below 0.0005 µg/l 2 May 2024
Perfluoropentanoic acid 8887 River water 1 May 2024 – May 2024 below 0.001 µg/l 2 May 2024
Perfluorotetradecanoic acid 8895 River water 1 May 2024 – May 2024 below 0.006 µg/l 2 May 2024
Perfluorotridecanoic acid 2955 River water 1 May 2024 – May 2024 below 0.005 µg/l 2 May 2024
Perfluoroundecane sulfonic acid 2953 River water 1 May 2024 – May 2024 below 0.004 µg/l 2 May 2024
Perfluoroundecanoic acid 8893 River water 1 May 2024 – May 2024 below 0.002 µg/l 2 May 2024
Solids, Suspended at 105 C 0135 River water 16 Oct 2023 – Mar 2025 6.6 mg/l 7 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.