Gilwiskaw Brook - upstream of Ashby
EA name: GILWISKAW BROOK - U/S ASHBY
Environment Agency sampling point MD-58809980 · 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 May 2026, 10:405 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
- 19 since 16 Oct 2023 Imported periods: 1 Oct 2023 – 8 Oct 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Monitoring (national agency policy)
- Where
- National Grid 435465, 318292As published, to the nearest 1 m. Open in a map
- River, by its own name
- Gilwiskaw Brook
- River, by the map
- Gilwiskaw BrookPlaced on the river its name gives, 103 m from the line.
- Next gauge downstream
- Ashby De La Zouch On the Gilwiskaw Brook · 3.0 km along the river
- Why it was sampled
- Monitoring (national agency policy) (19 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
83.5%
Sampled 13 May 2026, 5 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:40 | 83.5 | 83.5% |
| 27 Apr 2026, 11:13 | 94.8 | 94.8% |
| 9 Mar 2026, 12:15 | 97.6 | 97.6% |
| 11 Feb 2026, 10:34 | 96.3 | 96.3% |
| 6 Jan 2026, 12:40 | 94.5 | 94.5% |
| 10 Mar 2025, 12:46 | 96.4 | 96.4% |
| 17 Feb 2025, 09:22 | 96.1 | 96.1% |
| 16 Oct 2024, 12:55 | 91 | 91% |
| 18 Sep 2024, 09:03 | 85.9 | 85.9% |
| 18 Jul 2024, 11:48 | 91.8 | 91.8% |
| 19 Jun 2024, 10:22 | 85 | 85% |
| 22 May 2024, 10:58 | 89 | 89% |
| 15 Apr 2024, 12:26 | 93 | 93% |
| 19 Mar 2024, 09:01 | 98.1 | 98.1% |
| 20 Feb 2024, 12:16 | 97.4 | 97.4% |
| 17 Jan 2024, 13:48 | 90.2 | 90.2% |
| 6 Dec 2023, 09:48 | 95.9 | 95.9% |
| 21 Nov 2023, 11:42 | 90.9 | 90.9% |
| 16 Oct 2023, 10:09 | 92.1 | 92.1% |
Dissolved oxygen
as O2 · code 9924 · mg/l
9.71 mg/l
Sampled 13 May 2026, 5 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:40 | 9.71 | 9.71 mg/l |
| 27 Apr 2026, 11:13 | 10.3 | 10.3 mg/l |
| 9 Mar 2026, 12:15 | 11.3 | 11.3 mg/l |
| 11 Feb 2026, 10:34 | 11.4 | 11.4 mg/l |
| 6 Jan 2026, 12:40 | 12.4 | 12.4 mg/l |
| 10 Mar 2025, 12:46 | 11.4 | 11.4 mg/l |
| 17 Feb 2025, 09:22 | 12.9 | 12.9 mg/l |
| 16 Oct 2024, 12:55 | 9.85 | 9.85 mg/l |
| 18 Sep 2024, 09:03 | 9.24 | 9.24 mg/l |
| 18 Jul 2024, 11:48 | 9.02 | 9.02 mg/l |
| 19 Jun 2024, 10:22 | 9.12 | 9.12 mg/l |
| 22 May 2024, 10:58 | 9.23 | 9.23 mg/l |
| 15 Apr 2024, 12:26 | 10.6 | 10.6 mg/l |
| 19 Mar 2024, 09:01 | 11.2 | 11.2 mg/l |
| 20 Feb 2024, 12:16 | 11.3 | 11.3 mg/l |
| 17 Jan 2024, 13:48 | 11.9 | 11.9 mg/l |
| 6 Dec 2023, 09:48 | 12.4 | 12.4 mg/l |
| 21 Nov 2023, 11:42 | 10.4 | 10.4 mg/l |
| 16 Oct 2023, 10:09 | 10.7 | 10.7 mg/l |
Water temperature
code 0076 · °C
8.7 °C
Sampled 13 May 2026, 5 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:40 | 8.7 | 8.7 °C |
| 27 Apr 2026, 11:13 | 11.5 | 11.5 °C |
| 9 Mar 2026, 12:15 | 8.9 | 8.9 °C |
| 11 Feb 2026, 10:34 | 7.8 | 7.8 °C |
| 6 Jan 2026, 12:40 | 3.9 | 3.9 °C |
| 10 Mar 2025, 12:46 | 7.9 | 7.9 °C |
| 17 Feb 2025, 09:22 | 3.1 | 3.1 °C |
| 16 Oct 2024, 12:55 | 11.7 | 11.7 °C |
| 18 Sep 2024, 09:03 | 12 | 12 °C |
| 18 Jul 2024, 11:48 | 16.1 | 16.1 °C |
| 19 Jun 2024, 10:22 | 12.1 | 12.1 °C |
| 22 May 2024, 10:58 | 13.6 | 13.6 °C |
| 15 Apr 2024, 12:26 | 9.7 | 9.7 °C |
| 19 Mar 2024, 09:01 | 9.4 | 9.4 °C |
| 20 Feb 2024, 12:16 | 8.8 | 8.8 °C |
| 17 Jan 2024, 13:48 | 3.7 | 3.7 °C |
| 6 Dec 2023, 09:48 | 4.6 | 4.6 °C |
| 21 Nov 2023, 11:42 | 9.4 | 9.4 °C |
| 16 Oct 2023, 10:09 | 8.7 | 8.7 °C |
pH
code 0061
7.78
Sampled 13 May 2026, 5 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:40 | 7.78 | 7.78 |
| 27 Apr 2026, 11:13 | 7.95 | 7.95 |
| 9 Mar 2026, 12:15 | 7.78 | 7.78 |
| 11 Feb 2026, 10:34 | 7.6 | 7.6 |
| 6 Jan 2026, 12:40 | 7.93 | 7.93 |
| 10 Mar 2025, 12:46 | 8.21 | 8.21 |
| 17 Feb 2025, 09:22 | 7.98 | 7.98 |
| 16 Oct 2024, 12:55 | 8.05 | 8.05 |
| 18 Sep 2024, 09:03 | 7.95 | 7.95 |
| 18 Jul 2024, 11:48 | 8.03 | 8.03 |
| 19 Jun 2024, 10:22 | 7.89 | 7.89 |
| 22 May 2024, 10:58 | 7.52 | 7.52 |
| 15 Apr 2024, 12:26 | 7.88 | 7.88 |
| 19 Mar 2024, 09:01 | 7.86 | 7.86 |
| 20 Feb 2024, 12:16 | 7.78 | 7.78 |
| 17 Jan 2024, 13:48 | 7.95 | 7.95 |
| 6 Dec 2023, 09:48 | 7.73 | 7.73 |
| 21 Nov 2023, 11:42 | 7.78 | 7.78 |
| 16 Oct 2023, 10:09 | 8.07 | 8.07 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.12 mg/l
Sampled 13 May 2026, 5 months ago · 18 results banked
Every result (18)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:40 | 0.12 | 0.12 mg/l |
| 27 Apr 2026, 11:13 | <0.03 | below 0.03 mg/l (not detected above this) |
| 9 Mar 2026, 12:15 | 0.034 | 0.034 mg/l |
| 11 Feb 2026, 10:34 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Jan 2026, 12:40 | 0.065 | 0.065 mg/l |
| 10 Mar 2025, 12:46 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Feb 2025, 09:22 | 0.031 | 0.031 mg/l |
| 16 Oct 2024, 12:55 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Sep 2024, 09:03 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Jul 2024, 11:48 | <0.03 | below 0.03 mg/l (not detected above this) |
| 19 Jun 2024, 10:22 | 1.9 | 1.9 mg/l |
| 15 Apr 2024, 12:26 | 0.27 | 0.27 mg/l |
| 19 Mar 2024, 09:01 | 0.033 | 0.033 mg/l |
| 20 Feb 2024, 12:16 | 0.037 | 0.037 mg/l |
| 17 Jan 2024, 13:48 | 0.047 | 0.047 mg/l |
| 6 Dec 2023, 09:48 | <0.03 | below 0.03 mg/l (not detected above this) |
| 21 Nov 2023, 11:42 | <0.03 | below 0.03 mg/l (not detected above this) |
| 16 Oct 2023, 10:09 | 0.079 | 0.079 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
3.26 mg/l
Sampled 13 May 2026, 5 months ago · 18 results banked
Every result (18)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:40 | 3.26 | 3.26 mg/l |
| 27 Apr 2026, 11:13 | 6.57 | 6.57 mg/l |
| 9 Mar 2026, 12:15 | 6.49 | 6.49 mg/l |
| 11 Feb 2026, 10:34 | 4 | 4 mg/l |
| 6 Jan 2026, 12:40 | 8.68 | 8.68 mg/l |
| 10 Mar 2025, 12:46 | 7.08 | 7.08 mg/l |
| 17 Feb 2025, 09:22 | 5.29 | 5.29 mg/l |
| 16 Oct 2024, 12:55 | 5.19 | 5.19 mg/l |
| 18 Sep 2024, 09:03 | 5.88 | 5.88 mg/l |
| 18 Jul 2024, 11:48 | 3.68 | 3.68 mg/l |
| 19 Jun 2024, 10:22 | 9.68 | 9.68 mg/l |
| 15 Apr 2024, 12:26 | 4.47 | 4.47 mg/l |
| 19 Mar 2024, 09:01 | 5.49 | 5.49 mg/l |
| 20 Feb 2024, 12:16 | 6.49 | 6.49 mg/l |
| 17 Jan 2024, 13:48 | 7.58 | 7.58 mg/l |
| 6 Dec 2023, 09:48 | 6.49 | 6.49 mg/l |
| 21 Nov 2023, 11:42 | 5.88 | 5.88 mg/l |
| 16 Oct 2023, 10:09 | 6.27 | 6.27 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.26 mg/l
Sampled 13 May 2026, 5 months ago · 18 results banked
Every result (18)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:40 | 0.26 | 0.26 mg/l |
| 27 Apr 2026, 11:13 | 0.23 | 0.23 mg/l |
| 9 Mar 2026, 12:15 | 0.12 | 0.12 mg/l |
| 11 Feb 2026, 10:34 | 0.079 | 0.079 mg/l |
| 6 Jan 2026, 12:40 | 0.18 | 0.18 mg/l |
| 10 Mar 2025, 12:46 | 0.12 | 0.12 mg/l |
| 17 Feb 2025, 09:22 | 0.081 | 0.081 mg/l |
| 16 Oct 2024, 12:55 | 0.071 | 0.071 mg/l |
| 18 Sep 2024, 09:03 | 0.29 | 0.29 mg/l |
| 18 Jul 2024, 11:48 | 0.11 | 0.11 mg/l |
| 19 Jun 2024, 10:22 | 0.14 | 0.14 mg/l |
| 15 Apr 2024, 12:26 | 0.085 | 0.085 mg/l |
| 19 Mar 2024, 09:01 | 0.068 | 0.068 mg/l |
| 20 Feb 2024, 12:16 | 0.09 | 0.09 mg/l |
| 17 Jan 2024, 13:48 | 0.096 | 0.096 mg/l |
| 6 Dec 2023, 09:48 | 0.082 | 0.082 mg/l |
| 21 Nov 2023, 11:42 | 0.12 | 0.12 mg/l |
| 16 Oct 2023, 10:09 | 0.08 | 0.08 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
397 µS/cm
Sampled 13 May 2026, 5 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:40 | 397 | 397 µS/cm |
| 27 Apr 2026, 11:13 | 632 | 632 µS/cm |
| 9 Mar 2026, 12:15 | 472 | 472 µS/cm |
| 11 Feb 2026, 10:34 | 330 | 330 µS/cm |
| 6 Jan 2026, 12:40 | 2496 | 2496 µS/cm |
| 10 Mar 2025, 12:46 | 574 | 574 µS/cm |
| 17 Feb 2025, 09:22 | 531 | 531 µS/cm |
| 16 Oct 2024, 12:55 | 739 | 739 µS/cm |
| 18 Sep 2024, 09:03 | 687 | 687 µS/cm |
| 18 Jul 2024, 11:48 | 471 | 471 µS/cm |
| 19 Jun 2024, 10:22 | 587 | 587 µS/cm |
| 22 May 2024, 10:58 | 371 | 371 µS/cm |
| 15 Apr 2024, 12:26 | 521 | 521 µS/cm |
| 19 Mar 2024, 09:01 | 462 | 462 µS/cm |
| 20 Feb 2024, 12:16 | 440 | 440 µS/cm |
| 17 Jan 2024, 13:48 | 579 | 579 µS/cm |
| 6 Dec 2023, 09:48 | 429 | 429 µS/cm |
| 21 Nov 2023, 11:42 | 494 | 494 µS/cm |
| 16 Oct 2023, 10:09 | 523 | 523 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
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 19 | Oct 2023 – May 2026 | 83.5% 13 May 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 19 | Oct 2023 – May 2026 | 9.71 mg/l 13 May 2026 |
| Temperature of Water 0076 | River water | 19 | Oct 2023 – May 2026 | 8.7 °C 13 May 2026 |
| pH 0061 | River water | 19 | Oct 2023 – May 2026 | 7.78 13 May 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 18 | Oct 2023 – May 2026 | 0.12 mg/l 13 May 2026 |
| Nitrate as N 0117 | River water | 18 | Oct 2023 – May 2026 | 3.26 mg/l 13 May 2026 |
| Orthophosphate, reactive as P 0180 | River water | 18 | Oct 2023 – May 2026 | 0.26 mg/l 13 May 2026 |
| Conductivity at 25 C 0077 | River water | 19 | Oct 2023 – May 2026 | 397 µS/cm 13 May 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 18 | Oct 2023 – May 2026 | 140 mg/l 13 May 2026 |
| Ammonia un-ionised as N 0119 | River water | 18 | Oct 2023 – May 2026 | 0.00121 mg/l 13 May 2026 |
| BOD : 5 Day ATU 0085 | River water | 14 | Feb 2024 – May 2026 | 6.2 mg/l 13 May 2026 |
| Nitrite as N 0118 | River water | 18 | Oct 2023 – May 2026 | 0.039 mg/l 13 May 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 18 | Oct 2023 – May 2026 | 3.3 mg/l 13 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.