Bulwell Hall Brook Lake downstream of Rolls Royce

EA name: BULWELL HALL BROOK LAKE D/S ROLLS ROYCE (also listed as “BULWELL HALL BROOK LAKE DOWNSTREAM OF ROLLS ROYCE AT HUCKNALL”)
Environment Agency sampling point MD-44689405 · 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, 11:0649 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
35 since 12 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 453800, 346981As published, to the nearest 1 m. Open in a map
River, by its own name
Bulwell Hall Brook Lake
River, by the map
Not placedNo mapped watercourse within 500 m. The river map cannot say which watercourse this is.
Next gauge downstream
Not known
Why it was sampled
Monitoring (national agency policy) (29 samples)
Environmental monitoring statutory (EU directives) (6 samples)

Main measurements, river water

pH

code 0061

8.69

Sampled 13 Aug 2026, 49 days ago · 35 results banked

7.588.599.520242025202612 Oct 2023, 12:09: 8.918 Nov 2023, 13:57: 7.776 Dec 2023, 08:54: 7.763 Jan 2024, 10:07: 7.782 Feb 2024, 14:10: 8.135 Mar 2024, 09:57: 88 Apr 2024, 12:09: 8.273 May 2024, 10:01: 8.0811 Jun 2024, 14:54: 8.6310 Jul 2024, 12:38: 8.152 Aug 2024, 08:02: 8.122 Sep 2024, 13:10: 8.133 Oct 2024, 14:37: 7.9611 Nov 2024, 14:49: 8.245 Dec 2024, 14:14: 8.1713 Jan 2025, 10:10: 8.1811 Feb 2025, 13:01: 8.2511 Mar 2025, 08:25: 8.44 Apr 2025, 11:17: 8.512 May 2025, 09:42: 8.6611 Jun 2025, 11:47: 8.9231 Jul 2025, 14:07: 8.7614 Aug 2025, 11:14: 8.689 Sep 2025, 13:36: 8.7910 Oct 2025, 14:00: 8.6418 Nov 2025, 13:56: 82 Dec 2025, 14:05: 8.1422 Jan 2026, 09:55: 8.119 Feb 2026, 13:54: 8.1411 Mar 2026, 14:36: 8.361 Apr 2026, 14:32: 8.2426 May 2026, 09:27: 8.8325 Jun 2026, 13:26: 9.0115 Jul 2026, 10:13: 8.4113 Aug 2026, 11:06: 8.69
Every result (35)
SampledResult as publishedReads as
13 Aug 2026, 11:068.69 8.69
15 Jul 2026, 10:138.41 8.41
25 Jun 2026, 13:269.01 9.01
26 May 2026, 09:278.83 8.83
1 Apr 2026, 14:328.24 8.24
11 Mar 2026, 14:368.36 8.36
9 Feb 2026, 13:548.14 8.14
22 Jan 2026, 09:558.11 8.11
2 Dec 2025, 14:058.14 8.14
18 Nov 2025, 13:568 8
10 Oct 2025, 14:008.64 8.64
9 Sep 2025, 13:368.79 8.79
14 Aug 2025, 11:148.68 8.68
31 Jul 2025, 14:078.76 8.76
11 Jun 2025, 11:478.92 8.92
12 May 2025, 09:428.66 8.66
4 Apr 2025, 11:178.5 8.5
11 Mar 2025, 08:258.4 8.4
11 Feb 2025, 13:018.25 8.25
13 Jan 2025, 10:108.18 8.18
5 Dec 2024, 14:148.17 8.17
11 Nov 2024, 14:498.24 8.24
3 Oct 2024, 14:377.96 7.96
2 Sep 2024, 13:108.13 8.13
2 Aug 2024, 08:028.12 8.12
10 Jul 2024, 12:388.15 8.15
11 Jun 2024, 14:548.63 8.63
3 May 2024, 10:018.08 8.08
8 Apr 2024, 12:098.27 8.27
5 Mar 2024, 09:578 8
2 Feb 2024, 14:108.13 8.13
3 Jan 2024, 10:077.78 7.78
6 Dec 2023, 08:547.76 7.76
8 Nov 2023, 13:577.77 7.77
12 Oct 2023, 12:098.91 8.91

Everything measured here

66 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 66 rows
DeterminandMaterialResults First – lastLatest result
pH 0061 River water 35 Oct 2023 – Aug 2026 8.69 13 Aug 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 May 2024 – May 2024 below 0.001 µg/l 3 May 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 May 2024 – May 2024 below 0.001 µg/l 3 May 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 May 2024 – May 2024 below 0.001 µg/l 3 May 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 May 2024 – May 2024 below 0.002 µg/l 3 May 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 May 2024 – May 2024 below 0.0005 µg/l 3 May 2024
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 May 2024 – May 2024 below 0.001 µg/l 3 May 2024
3-Perfluoroheptylpropanoic acid 2925 River water 1 May 2024 – May 2024 below 0.0005 µg/l 3 May 2024
3:3 Fluorotelomer carboxylic acid 2926 River water 1 May 2024 – May 2024 below 0.004 µg/l 3 May 2024
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 May 2024 – May 2024 below 0.005 µg/l 3 May 2024
4:2 Fluorotelomer sulfonic acid 2987 River water 1 May 2024 – May 2024 below 0.0005 µg/l 3 May 2024
6:2 Fluorotelomer sulfonic acid 2984 River water 1 May 2024 – May 2024 below 0.001 µg/l 3 May 2024
8:2 Fluorotelomer sulfonic acid 2983 River water 1 May 2024 – May 2024 below 0.001 µg/l 3 May 2024
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 May 2024 – May 2024 below 0.0005 µg/l 3 May 2024
Arsenic, Dissolved 6045 River water 12 Oct 2023 – Jul 2026 3.1 µg/l 15 Jul 2026
Cadmium, Dissolved 0106 River water 35 Oct 2023 – Aug 2026 below 0.01 µg/l 13 Aug 2026
Calcium 0241 River water 12 Oct 2023 – Jul 2026 36 mg/l 15 Jul 2026
Calcium, Dissolved 0239 River water 35 Oct 2023 – Aug 2026 36 mg/l 13 Aug 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 34 Oct 2023 – Aug 2026 12 mg/l 13 Aug 2026
Chromium Hexavalent, Dissolved :- {Cr VI} 6619 River water 10 Oct 2023 – Jul 2026 below 0.05 µg/l 15 Jul 2026
Chromium, Dissolved 3409 River water 12 Oct 2023 – Jul 2026 below 0.5 µg/l 15 Jul 2026
Copper : BLM Bioavailable 4821 River water 11 Oct 2023 – Jul 2026 0.07 µg/l 15 Jul 2026
Copper, Dissolved 6450 River water 12 Oct 2023 – Jul 2026 0.99 µg/l 15 Jul 2026
Hardness, Total as CaCO3 0158 River water 12 Oct 2023 – Jul 2026 219 mg/l 15 Jul 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 May 2024 – May 2024 below 0.001 µg/l 3 May 2024
Lead : BLM Bioavailable 3377 River water 34 Oct 2023 – Aug 2026 0.05 µg/l 13 Aug 2026
Lead, Dissolved 0052 River water 35 Oct 2023 – Aug 2026 0.63 µg/l 13 Aug 2026
Magnesium 0237 River water 12 Oct 2023 – Jul 2026 32 mg/l 15 Jul 2026
Magnesium, Dissolved 0235 River water 35 Oct 2023 – Aug 2026 35 mg/l 13 Aug 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 1 May 2024 – May 2024 below 0.002 µg/l 3 May 2024
N-methylperfluorooctanesulfonamide 2975 River water 1 May 2024 – May 2024 below 0.002 µg/l 3 May 2024
Nickel : BLM Bioavailable 3878 River water 34 Oct 2023 – Aug 2026 3.5 µg/l 13 Aug 2026
Nickel, Dissolved 3410 River water 35 Oct 2023 – Aug 2026 3.5 µg/l 13 Aug 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 May 2024 – May 2024 below 0.0005 µg/l 3 May 2024
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 May 2024 – May 2024 below 0.0005 µg/l 3 May 2024
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 May 2024 – May 2024 below 0.0005 µg/l 3 May 2024
Perfluoro-3-methoxypropanoic acid 2921 River water 1 May 2024 – May 2024 below 0.0005 µg/l 3 May 2024
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 May 2024 – May 2024 0.011 µg/l 3 May 2024
Perfluorobutanesulfonic acid 2972 River water 1 May 2024 – May 2024 0.0031 µg/l 3 May 2024
Perfluorobutanoic acid 2995 River water 1 May 2024 – May 2024 0.0048 µg/l 3 May 2024
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 May 2024 – May 2024 0.0011 µg/l 3 May 2024
Perfluorodecanesulfonic acid 2969 River water 1 May 2024 – May 2024 below 0.002 µg/l 3 May 2024
Perfluorodecanoic acid 8892 River water 1 May 2024 – May 2024 below 0.002 µg/l 3 May 2024
Perfluorododecane sulfonic acid 2968 River water 1 May 2024 – May 2024 below 0.005 µg/l 3 May 2024
Perfluorododecanoic acid 8894 River water 1 May 2024 – May 2024 below 0.002 µg/l 3 May 2024
Perfluoroheptanesulfonic acid 2967 River water 1 May 2024 – May 2024 0.0015 µg/l 3 May 2024
Perfluoroheptanoic acid 8889 River water 1 May 2024 – May 2024 0.0029 µg/l 3 May 2024
Perfluorohexanesulfonamide 2965 River water 1 May 2024 – May 2024 below 0.001 µg/l 3 May 2024
Perfluorohexanesulfonic acid (B) 2944 River water 1 May 2024 – May 2024 0.0059 µg/l 3 May 2024
Perfluorohexanesulfonic acid (L) 2964 River water 1 May 2024 – May 2024 0.032 µg/l 3 May 2024
Perfluorohexanoic acid 8888 River water 1 May 2024 – May 2024 0.0062 µg/l 3 May 2024
Perfluorononanesulfonic acid 2963 River water 1 May 2024 – May 2024 below 0.0005 µg/l 3 May 2024
Perfluorononanoic acid 8891 River water 1 May 2024 – May 2024 below 0.001 µg/l 3 May 2024
Perfluorooctadecanoic acid 2962 River water 1 May 2024 – May 2024 below 0.002 µg/l 3 May 2024
Perfluorooctanesulfonamide 2961 River water 1 May 2024 – May 2024 below 0.001 µg/l 3 May 2024
Perfluorooctanesulfonic acid (branched) 2960 River water 1 May 2024 – May 2024 0.019 µg/l 3 May 2024
Perfluorooctanesulfonic acid (linear) 2959 River water 1 May 2024 – May 2024 0.026 µg/l 3 May 2024
Perfluorooctanoic acid 8890 River water 1 May 2024 – May 2024 0.0057 µg/l 3 May 2024
Perfluoropentanesulfonic acid 2957 River water 1 May 2024 – May 2024 0.0023 µg/l 3 May 2024
Perfluoropentanoic acid 8887 River water 1 May 2024 – May 2024 0.0072 µg/l 3 May 2024
Perfluorotetradecanoic acid 8895 River water 1 May 2024 – May 2024 below 0.006 µg/l 3 May 2024
Perfluorotridecanoic acid 2955 River water 1 May 2024 – May 2024 below 0.005 µg/l 3 May 2024
Perfluoroundecane sulfonic acid 2953 River water 1 May 2024 – May 2024 below 0.004 µg/l 3 May 2024
Perfluoroundecanoic acid 8893 River water 1 May 2024 – May 2024 below 0.002 µg/l 3 May 2024
Zinc 6455 River water 12 Oct 2023 – Jul 2026 17 µg/l 15 Jul 2026
Zinc, Dissolved 3408 River water 12 Oct 2023 – Jul 2026 2.3 µg/l 15 Jul 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.