River Leen at Bulwell Market Place
EA name: RIVER LEEN AT BULWELL MARKET PLACE
Environment Agency sampling point MD-44508180 · 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 Mar 2026, 07:247 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
- 18 since 12 Oct 2023 Imported periods: 1 Oct 2023 – 8 Oct 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Environmental monitoring statutory (EU directives)
- Where
- National Grid 454016, 344978As published, to the nearest 1 m. Open in a map
- River, by its own name
- Leen
- River, by the map
- River LeenPlaced on the river its name gives, 5 m from the line.
- Next gauge downstream
- Lenton On the River Leen · 6.9 km along the river
- Nearest gauge upstream
- Bulwell On the River Leen · 1.4 km along the river
- Why it was sampled
- Environmental monitoring statutory (EU directives) (12 samples)
Planned investigation (local monitoring) (6 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
89.3%
Sampled 13 Mar 2026, 7 months ago · 18 results banked
Every result (18)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 Mar 2026, 07:24 | 89.3 | 89.3% |
| 2 Feb 2026, 14:09 | 96.3 | 96.3% |
| 9 Jan 2026, 09:41 | 99.4 | 99.4% |
| 8 Dec 2025, 12:58 | 98 | 98% |
| 10 Nov 2025, 14:47 | 90.2 | 90.2% |
| 17 Oct 2025, 09:28 | 97.2 | 97.2% |
| 9 Sep 2025, 13:57 | 100 | 100% |
| 7 Aug 2025, 07:33 | 95.7 | 95.7% |
| 31 Jul 2025, 14:31 | 102.4 | 102.4% |
| 27 Jun 2025, 10:20 | 95.4 | 95.4% |
| 29 May 2025, 09:54 | 92.2 | 92.2% |
| 4 Apr 2025, 14:01 | 114.7 | 114.7% |
| 5 Mar 2024, 09:35 | 93.1 | 93.1% |
| 6 Feb 2024, 14:00 | 97.3 | 97.3% |
| 3 Jan 2024, 10:38 | 94.6 | 94.6% |
| 15 Dec 2023, 14:32 | 95.5 | 95.5% |
| 8 Nov 2023, 14:20 | 92.7 | 92.7% |
| 12 Oct 2023, 12:27 | 95.3 | 95.3% |
Dissolved oxygen
as O2 · code 9924 · mg/l
10.5 mg/l
Sampled 13 Mar 2026, 7 months ago · 18 results banked
Every result (18)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 Mar 2026, 07:24 | 10.5 | 10.5 mg/l |
| 2 Feb 2026, 14:09 | 11.5 | 11.5 mg/l |
| 9 Jan 2026, 09:41 | 13 | 13 mg/l |
| 8 Dec 2025, 12:58 | 11.4 | 11.4 mg/l |
| 10 Nov 2025, 14:47 | 9.83 | 9.83 mg/l |
| 17 Oct 2025, 09:28 | 10.5 | 10.5 mg/l |
| 9 Sep 2025, 13:57 | 9.66 | 9.66 mg/l |
| 7 Aug 2025, 07:33 | 9.34 | 9.34 mg/l |
| 31 Jul 2025, 14:31 | 9.44 | 9.44 mg/l |
| 27 Jun 2025, 10:20 | 9.03 | 9.03 mg/l |
| 29 May 2025, 09:54 | 9.21 | 9.21 mg/l |
| 4 Apr 2025, 14:01 | 12.2 | 12.2 mg/l |
| 5 Mar 2024, 09:35 | 11.2 | 11.2 mg/l |
| 6 Feb 2024, 14:00 | 11.1 | 11.1 mg/l |
| 3 Jan 2024, 10:38 | 11.2 | 11.2 mg/l |
| 15 Dec 2023, 14:32 | 11.2 | 11.2 mg/l |
| 8 Nov 2023, 14:20 | 10.5 | 10.5 mg/l |
| 12 Oct 2023, 12:27 | 9.8 | 9.8 mg/l |
Water temperature
code 0076 · °C
8.1 °C
Sampled 13 Mar 2026, 7 months ago · 18 results banked
Every result (18)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 Mar 2026, 07:24 | 8.1 | 8.1 °C |
| 2 Feb 2026, 14:09 | 7.6 | 7.6 °C |
| 9 Jan 2026, 09:41 | 3.9 | 3.9 °C |
| 8 Dec 2025, 12:58 | 8.7 | 8.7 °C |
| 10 Nov 2025, 14:47 | 11.4 | 11.4 °C |
| 17 Oct 2025, 09:28 | 11.6 | 11.6 °C |
| 9 Sep 2025, 13:57 | 16.9 | 16.9 °C |
| 7 Aug 2025, 07:33 | 16.4 | 16.4 °C |
| 31 Jul 2025, 14:31 | 19.2 | 19.2 °C |
| 27 Jun 2025, 10:20 | 17.9 | 17.9 °C |
| 29 May 2025, 09:54 | 15.3 | 15.3 °C |
| 4 Apr 2025, 14:01 | 12.5 | 12.5 °C |
| 5 Mar 2024, 09:35 | 7.3 | 7.3 °C |
| 6 Feb 2024, 14:00 | 9.5 | 9.5 °C |
| 3 Jan 2024, 10:38 | 7.9 | 7.9 °C |
| 15 Dec 2023, 14:32 | 8.3 | 8.3 °C |
| 8 Nov 2023, 14:20 | 9.9 | 9.9 °C |
| 12 Oct 2023, 12:27 | 14 | 14 °C |
pH
code 0061
8.08
Sampled 13 Mar 2026, 7 months ago · 18 results banked
Every result (18)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 Mar 2026, 07:24 | 8.08 | 8.08 |
| 2 Feb 2026, 14:09 | 8.18 | 8.18 |
| 9 Jan 2026, 09:41 | 8.04 | 8.04 |
| 8 Dec 2025, 12:58 | 8.16 | 8.16 |
| 10 Nov 2025, 14:47 | 8.18 | 8.18 |
| 17 Oct 2025, 09:28 | 8.15 | 8.15 |
| 9 Sep 2025, 13:57 | 8.18 | 8.18 |
| 7 Aug 2025, 07:33 | 8.26 | 8.26 |
| 31 Jul 2025, 14:31 | 8.21 | 8.21 |
| 27 Jun 2025, 10:20 | 8.16 | 8.16 |
| 29 May 2025, 09:54 | 7.97 | 7.97 |
| 4 Apr 2025, 14:01 | 8.53 | 8.53 |
| 5 Mar 2024, 09:35 | 8.13 | 8.13 |
| 6 Feb 2024, 14:00 | 8.12 | 8.12 |
| 3 Jan 2024, 10:38 | 8.02 | 8.02 |
| 15 Dec 2023, 14:32 | 7.99 | 7.99 |
| 8 Nov 2023, 14:20 | 7.96 | 7.96 |
| 12 Oct 2023, 12:27 | 7.98 | 7.98 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.32 mg/l
Sampled 13 Mar 2026, 7 months ago · 18 results banked
Every result (18)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 Mar 2026, 07:24 | 0.32 | 0.32 mg/l |
| 2 Feb 2026, 14:09 | 0.086 | 0.086 mg/l |
| 9 Jan 2026, 09:41 | 0.75 | 0.75 mg/l |
| 8 Dec 2025, 12:58 | 0.055 | 0.055 mg/l |
| 10 Nov 2025, 14:47 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Oct 2025, 09:28 | 0.032 | 0.032 mg/l |
| 9 Sep 2025, 13:57 | <0.03 | below 0.03 mg/l (not detected above this) |
| 7 Aug 2025, 07:33 | <0.03 | below 0.03 mg/l (not detected above this) |
| 31 Jul 2025, 14:31 | <0.03 | below 0.03 mg/l (not detected above this) |
| 27 Jun 2025, 10:20 | 0.041 | 0.041 mg/l |
| 29 May 2025, 09:54 | 0.098 | 0.098 mg/l |
| 4 Apr 2025, 14:01 | 0.058 | 0.058 mg/l |
| 5 Mar 2024, 09:35 | 0.13 | 0.13 mg/l |
| 6 Feb 2024, 14:00 | 0.12 | 0.12 mg/l |
| 3 Jan 2024, 10:38 | 0.31 | 0.31 mg/l |
| 15 Dec 2023, 14:32 | 0.089 | 0.089 mg/l |
| 8 Nov 2023, 14:20 | 0.083 | 0.083 mg/l |
| 12 Oct 2023, 12:27 | 0.1 | 0.1 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
4.88 mg/l
Sampled 13 Mar 2026, 7 months ago · 18 results banked
Every result (18)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 Mar 2026, 07:24 | 4.88 | 4.88 mg/l |
| 2 Feb 2026, 14:09 | 7.08 | 7.08 mg/l |
| 9 Jan 2026, 09:41 | 5.27 | 5.27 mg/l |
| 8 Dec 2025, 12:58 | 7.17 | 7.17 mg/l |
| 10 Nov 2025, 14:47 | 4.27 | 4.27 mg/l |
| 17 Oct 2025, 09:28 | 5.97 | 5.97 mg/l |
| 9 Sep 2025, 13:57 | 5.27 | 5.27 mg/l |
| 7 Aug 2025, 07:33 | 5.09 | 5.09 mg/l |
| 31 Jul 2025, 14:31 | 5.07 | 5.07 mg/l |
| 27 Jun 2025, 10:20 | 5.08 | 5.08 mg/l |
| 29 May 2025, 09:54 | 4.65 | 4.65 mg/l |
| 4 Apr 2025, 14:01 | 7.37 | 7.37 mg/l |
| 5 Mar 2024, 09:35 | 6.88 | 6.88 mg/l |
| 6 Feb 2024, 14:00 | 8.07 | 8.07 mg/l |
| 3 Jan 2024, 10:38 | 3.98 | 3.98 mg/l |
| 15 Dec 2023, 14:32 | 7.97 | 7.97 mg/l |
| 8 Nov 2023, 14:20 | 6.76 | 6.76 mg/l |
| 12 Oct 2023, 12:27 | 6.15 | 6.15 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.061 mg/l
Sampled 13 Mar 2026, 7 months ago · 18 results banked
Every result (18)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 Mar 2026, 07:24 | 0.061 | 0.061 mg/l |
| 2 Feb 2026, 14:09 | 0.039 | 0.039 mg/l |
| 9 Jan 2026, 09:41 | 0.15 | 0.15 mg/l |
| 8 Dec 2025, 12:58 | 0.043 | 0.043 mg/l |
| 10 Nov 2025, 14:47 | 0.043 | 0.043 mg/l |
| 17 Oct 2025, 09:28 | 0.033 | 0.033 mg/l |
| 9 Sep 2025, 13:57 | 0.046 | 0.046 mg/l |
| 7 Aug 2025, 07:33 | <0.01 | below 0.01 mg/l (not detected above this) |
| 31 Jul 2025, 14:31 | 0.045 | 0.045 mg/l |
| 27 Jun 2025, 10:20 | 0.033 | 0.033 mg/l |
| 29 May 2025, 09:54 | 0.054 | 0.054 mg/l |
| 4 Apr 2025, 14:01 | <0.01 | below 0.01 mg/l (not detected above this) |
| 5 Mar 2024, 09:35 | 0.066 | 0.066 mg/l |
| 6 Feb 2024, 14:00 | 0.035 | 0.035 mg/l |
| 3 Jan 2024, 10:38 | 0.11 | 0.11 mg/l |
| 15 Dec 2023, 14:32 | 0.04 | 0.04 mg/l |
| 8 Nov 2023, 14:20 | 0.052 | 0.052 mg/l |
| 12 Oct 2023, 12:27 | 0.061 | 0.061 mg/l |
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 | 18 | Oct 2023 – Mar 2026 | 89.3% 13 Mar 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 18 | Oct 2023 – Mar 2026 | 10.5 mg/l 13 Mar 2026 |
| Temperature of Water 0076 | River water | 18 | Oct 2023 – Mar 2026 | 8.1 °C 13 Mar 2026 |
| pH 0061 | River water | 18 | Oct 2023 – Mar 2026 | 8.08 13 Mar 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 18 | Oct 2023 – Mar 2026 | 0.32 mg/l 13 Mar 2026 |
| Nitrate as N 0117 | River water | 18 | Oct 2023 – Mar 2026 | 4.88 mg/l 13 Mar 2026 |
| Orthophosphate, reactive as P 0180 | River water | 18 | Oct 2023 – Mar 2026 | 0.061 mg/l 13 Mar 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 18 | Oct 2023 – Mar 2026 | 170 mg/l 13 Mar 2026 |
| Ammonia un-ionised as N 0119 | River water | 18 | Oct 2023 – Mar 2026 | 0.00508 mg/l 13 Mar 2026 |
| BOD : 5 Day ATU 0085 | River water | 17 | Oct 2023 – Mar 2026 | 4.1 mg/l 13 Mar 2026 |
| Nitrite as N 0118 | River water | 18 | Oct 2023 – Mar 2026 | 0.021 mg/l 13 Mar 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 18 | Oct 2023 – Mar 2026 | 4.9 mg/l 13 Mar 2026 |
| Solids, Suspended at 105 C 0135 | River water | 18 | Oct 2023 – Mar 2026 | 49 mg/l 13 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.