Bourn Brook Footbridge Manor Farm Bourn
EA name: BOURN BK. FT. BR. MANOR FARM BOURN
Environment Agency sampling point AN-32M10 · 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
- 28 May 2026, 10:504 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
- 28 since 24 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 532841, 256538As published, to the nearest 1 m. Open in a map
- River, by its own name
- Bourn Brook
- River, by the map
- Bourn BrookPlaced on the river its name gives, 0 m from the line.
- Next gauge downstream
- Comberton On the Bourn Brook · 8.0 km along the river
- Nearest gauge upstream
- Bourn Brook On the Bourn Brook · 0.4 km along the river
- Why it was sampled
- Monitoring (national agency policy) (28 samples)
6 visits found no water to sample (recorded as “No flow”).
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
33.5%
Sampled 28 May 2026, 4 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 28 May 2026, 10:50 | 33.5 | 33.5% |
| 18 May 2026, 14:32 | 89.3 | 89.3% |
| 12 May 2026, 12:58 | 83.3 | 83.3% |
| 22 Apr 2026, 09:26 | 78.2 | 78.2% |
| 20 Apr 2026, 11:13 | 98.2 | 98.2% |
| 9 Mar 2026, 10:49 | 103.9 | 103.9% |
| 10 Feb 2026, 09:43 | 92.8 | 92.8% |
| 7 Jan 2026, 09:56 | 96.9 | 96.9% |
| 9 Dec 2025, 10:28 | 90.6 | 90.6% |
| 13 Nov 2025, 12:00 | 73.6 | 73.6% |
| 15 Jul 2025, 11:05 | 98.3 | 98.3% |
| 10 Jun 2025, 15:22 | 108.6 | 108.6% |
| 9 Apr 2025, 14:02 | 131.6 | 131.6% |
| 18 Mar 2025, 12:43 | 129 | 129% |
| 6 Feb 2025, 14:15 | 103.6 | 103.6% |
| 20 Jan 2025, 15:40 | 99.1 | 99.1% |
| 3 Dec 2024, 11:07 | 97.7 | 97.7% |
| 27 Nov 2024, 10:49 | 93.6 | 93.6% |
| 16 Oct 2024, 10:44 | 92.3 | 92.3% |
| 17 Sep 2024, 13:06 | 75.7 | 75.7% |
| 17 Jul 2024, 09:33 | 93.3 | 93.3% |
| 24 Jun 2024, 09:56 | 48.3 | 48.3% |
Dissolved oxygen
as O2 · code 9924 · mg/l
3.22 mg/l
Sampled 28 May 2026, 4 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 28 May 2026, 10:50 | 3.22 | 3.22 mg/l |
| 18 May 2026, 14:32 | 9.71 | 9.71 mg/l |
| 12 May 2026, 12:58 | 9.64 | 9.64 mg/l |
| 22 Apr 2026, 09:26 | 9.32 | 9.32 mg/l |
| 20 Apr 2026, 11:13 | 11.2 | 11.2 mg/l |
| 9 Mar 2026, 10:49 | 12.2 | 12.2 mg/l |
| 10 Feb 2026, 09:43 | 11.2 | 11.2 mg/l |
| 7 Jan 2026, 09:56 | 14 | 14 mg/l |
| 9 Dec 2025, 10:28 | 10.3 | 10.3 mg/l |
| 13 Nov 2025, 12:00 | 7.81 | 7.81 mg/l |
| 15 Jul 2025, 11:05 | 9.7 | 9.7 mg/l |
| 10 Jun 2025, 15:22 | 10.1 | 10.1 mg/l |
| 9 Apr 2025, 14:02 | 14.6 | 14.6 mg/l |
| 18 Mar 2025, 12:43 | 15.6 | 15.6 mg/l |
| 6 Feb 2025, 14:15 | 13.6 | 13.6 mg/l |
| 20 Jan 2025, 15:40 | 12.8 | 12.8 mg/l |
| 3 Dec 2024, 11:07 | 11.8 | 11.8 mg/l |
| 27 Nov 2024, 10:49 | 11.3 | 11.3 mg/l |
| 16 Oct 2024, 10:44 | 9.77 | 9.77 mg/l |
| 17 Sep 2024, 13:06 | 7.89 | 7.89 mg/l |
| 17 Jul 2024, 09:33 | 9.34 | 9.34 mg/l |
| 24 Jun 2024, 09:56 | 4.69 | 4.69 mg/l |
Water temperature
code 0076 · °C
17.1 °C
Sampled 28 May 2026, 4 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 28 May 2026, 10:50 | 17.1 | 17.1 °C |
| 18 May 2026, 14:32 | 11.5 | 11.5 °C |
| 12 May 2026, 12:58 | 8.9 | 8.9 °C |
| 22 Apr 2026, 09:26 | 7.7 | 7.7 °C |
| 20 Apr 2026, 11:13 | 9.6 | 9.6 °C |
| 9 Mar 2026, 10:49 | 8.3 | 8.3 °C |
| 10 Feb 2026, 09:43 | 7.2 | 7.2 °C |
| 7 Jan 2026, 09:56 | 0.4 | 0.4 °C |
| 9 Dec 2025, 10:28 | 9.8 | 9.8 °C |
| 13 Nov 2025, 12:00 | 12.6 | 12.6 °C |
| 15 Jul 2025, 11:05 | 15.9 | 15.9 °C |
| 10 Jun 2025, 15:22 | 18.6 | 18.6 °C |
| 9 Apr 2025, 14:02 | 10.6 | 10.6 °C |
| 18 Mar 2025, 12:43 | 7 | 7 °C |
| 6 Feb 2025, 14:15 | 4 | 4 °C |
| 20 Jan 2025, 15:40 | 4.6 | 4.6 °C |
| 3 Dec 2024, 11:07 | 7.2 | 7.2 °C |
| 27 Nov 2024, 10:49 | 7.3 | 7.3 °C |
| 16 Oct 2024, 10:44 | 12.7 | 12.7 °C |
| 17 Sep 2024, 13:06 | 13.4 | 13.4 °C |
| 17 Jul 2024, 09:33 | 15.2 | 15.2 °C |
| 24 Jun 2024, 09:56 | 16.6 | 16.6 °C |
pH
code 0061
7.64
Sampled 28 May 2026, 4 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 28 May 2026, 10:50 | 7.64 | 7.64 |
| 18 May 2026, 14:32 | 7.96 | 7.96 |
| 12 May 2026, 12:58 | 7.66 | 7.66 |
| 22 Apr 2026, 09:26 | 7.9 | 7.9 |
| 20 Apr 2026, 11:13 | 7.88 | 7.88 |
| 9 Mar 2026, 10:49 | 8.32 | 8.32 |
| 10 Feb 2026, 09:43 | 8.19 | 8.19 |
| 7 Jan 2026, 09:56 | 8.11 | 8.11 |
| 9 Dec 2025, 10:28 | 7.89 | 7.89 |
| 13 Nov 2025, 12:00 | 7.77 | 7.77 |
| 15 Jul 2025, 11:05 | 8.27 | 8.27 |
| 10 Jun 2025, 15:22 | 7.96 | 7.96 |
| 9 Apr 2025, 14:02 | 8.21 | 8.21 |
| 18 Mar 2025, 12:43 | 8.49 | 8.49 |
| 6 Feb 2025, 14:15 | 8.36 | 8.36 |
| 20 Jan 2025, 15:40 | 8.34 | 8.34 |
| 3 Dec 2024, 11:07 | 8.26 | 8.26 |
| 27 Nov 2024, 10:49 | 8.05 | 8.05 |
| 16 Oct 2024, 10:44 | 8.17 | 8.17 |
| 17 Sep 2024, 13:06 | 7.81 | 7.81 |
| 17 Jul 2024, 09:33 | 8.14 | 8.14 |
| 24 Jun 2024, 09:56 | 7.68 | 7.68 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.036 mg/l
Sampled 28 May 2026, 4 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 28 May 2026, 10:50 | 0.036 | 0.036 mg/l |
| 18 May 2026, 14:32 | <0.03 | below 0.03 mg/l (not detected above this) |
| 12 May 2026, 12:58 | <0.03 | below 0.03 mg/l (not detected above this) |
| 22 Apr 2026, 09:26 | <0.03 | below 0.03 mg/l (not detected above this) |
| 20 Apr 2026, 11:13 | <0.03 | below 0.03 mg/l (not detected above this) |
| 9 Mar 2026, 10:49 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Feb 2026, 09:43 | <0.03 | below 0.03 mg/l (not detected above this) |
| 7 Jan 2026, 09:56 | 0.13 | 0.13 mg/l |
| 9 Dec 2025, 10:28 | <0.03 | below 0.03 mg/l (not detected above this) |
| 13 Nov 2025, 12:00 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Jul 2025, 11:05 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Jun 2025, 15:22 | <0.03 | below 0.03 mg/l (not detected above this) |
| 9 Apr 2025, 14:02 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Mar 2025, 12:43 | 0.036 | 0.036 mg/l |
| 6 Feb 2025, 14:15 | 0.66 | 0.66 mg/l |
| 20 Jan 2025, 15:40 | 0.89 | 0.89 mg/l |
| 3 Dec 2024, 11:07 | 0.057 | 0.057 mg/l |
| 27 Nov 2024, 10:49 | 0.072 | 0.072 mg/l |
| 16 Oct 2024, 10:44 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Sep 2024, 13:06 | 0.038 | 0.038 mg/l |
| 17 Jul 2024, 09:33 | 0.044 | 0.044 mg/l |
| 24 Jun 2024, 09:56 | 0.19 | 0.19 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
below 0.196 mg/l (not detected above this)
Sampled 28 May 2026, 4 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 28 May 2026, 10:50 | <0.196 | below 0.196 mg/l (not detected above this) |
| 18 May 2026, 14:32 | <0.196 | below 0.196 mg/l (not detected above this) |
| 12 May 2026, 12:58 | <0.196 | below 0.196 mg/l (not detected above this) |
| 22 Apr 2026, 09:26 | <0.196 | below 0.196 mg/l (not detected above this) |
| 20 Apr 2026, 11:13 | <0.196 | below 0.196 mg/l (not detected above this) |
| 9 Mar 2026, 10:49 | 5.99 | 5.99 mg/l |
| 10 Feb 2026, 09:43 | 13 | 13 mg/l |
| 7 Jan 2026, 09:56 | 7.79 | 7.79 mg/l |
| 9 Dec 2025, 10:28 | 14 | 14 mg/l |
| 13 Nov 2025, 12:00 | <0.196 | below 0.196 mg/l (not detected above this) |
| 15 Jul 2025, 11:05 | <0.196 | below 0.196 mg/l (not detected above this) |
| 10 Jun 2025, 15:22 | 0.201 | 0.201 mg/l |
| 9 Apr 2025, 14:02 | 0.843 | 0.843 mg/l |
| 18 Mar 2025, 12:43 | 3.89 | 3.89 mg/l |
| 6 Feb 2025, 14:15 | 8.2 | 8.2 mg/l |
| 20 Jan 2025, 15:40 | 8.09 | 8.09 mg/l |
| 3 Dec 2024, 11:07 | 8.47 | 8.47 mg/l |
| 27 Nov 2024, 10:49 | 11 | 11 mg/l |
| 16 Oct 2024, 10:44 | 5.16 | 5.16 mg/l |
| 17 Sep 2024, 13:06 | 2.89 | 2.89 mg/l |
| 17 Jul 2024, 09:33 | 1.38 | 1.38 mg/l |
| 24 Jun 2024, 09:56 | 0.252 | 0.252 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.16 mg/l
Sampled 28 May 2026, 4 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 28 May 2026, 10:50 | 0.16 | 0.16 mg/l |
| 18 May 2026, 14:32 | 0.013 | 0.013 mg/l |
| 12 May 2026, 12:58 | 0.023 | 0.023 mg/l |
| 22 Apr 2026, 09:26 | 0.03 | 0.03 mg/l |
| 20 Apr 2026, 11:13 | 0.022 | 0.022 mg/l |
| 9 Mar 2026, 10:49 | 0.049 | 0.049 mg/l |
| 10 Feb 2026, 09:43 | 0.046 | 0.046 mg/l |
| 7 Jan 2026, 09:56 | 0.18 | 0.18 mg/l |
| 9 Dec 2025, 10:28 | 0.04 | 0.04 mg/l |
| 13 Nov 2025, 12:00 | 0.055 | 0.055 mg/l |
| 15 Jul 2025, 11:05 | 0.076 | 0.076 mg/l |
| 10 Jun 2025, 15:22 | 0.056 | 0.056 mg/l |
| 9 Apr 2025, 14:02 | <0.01 | below 0.01 mg/l (not detected above this) |
| 18 Mar 2025, 12:43 | 0.028 | 0.028 mg/l |
| 6 Feb 2025, 14:15 | 0.079 | 0.079 mg/l |
| 20 Jan 2025, 15:40 | 0.09 | 0.09 mg/l |
| 3 Dec 2024, 11:07 | 0.04 | 0.04 mg/l |
| 27 Nov 2024, 10:49 | 0.073 | 0.073 mg/l |
| 16 Oct 2024, 10:44 | 0.052 | 0.052 mg/l |
| 17 Sep 2024, 13:06 | 0.16 | 0.16 mg/l |
| 17 Jul 2024, 09:33 | 0.052 | 0.052 mg/l |
| 24 Jun 2024, 09:56 | 0.15 | 0.15 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
821 µS/cm
Sampled 28 May 2026, 4 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 28 May 2026, 10:50 | 821 | 821 µS/cm |
| 18 May 2026, 14:32 | 804 | 804 µS/cm |
| 12 May 2026, 12:58 | 789 | 789 µS/cm |
| 22 Apr 2026, 09:26 | 681 | 681 µS/cm |
| 20 Apr 2026, 11:13 | 683 | 683 µS/cm |
| 9 Mar 2026, 10:49 | 821 | 821 µS/cm |
| 10 Feb 2026, 09:43 | 753 | 753 µS/cm |
| 7 Jan 2026, 09:56 | 996 | 996 µS/cm |
| 9 Dec 2025, 10:28 | 670 | 670 µS/cm |
| 13 Nov 2025, 12:00 | 585 | 585 µS/cm |
| 15 Jul 2025, 11:05 | 707 | 707 µS/cm |
| 10 Jun 2025, 15:22 | 670 | 670 µS/cm |
| 9 Apr 2025, 14:02 | 798 | 798 µS/cm |
| 18 Mar 2025, 12:43 | 872 | 872 µS/cm |
| 6 Feb 2025, 14:15 | 853 | 853 µS/cm |
| 20 Jan 2025, 15:40 | 872 | 872 µS/cm |
| 3 Dec 2024, 11:07 | 771 | 771 µS/cm |
| 27 Nov 2024, 10:49 | 634 | 634 µS/cm |
| 16 Oct 2024, 10:44 | 672 | 672 µS/cm |
| 17 Sep 2024, 13:06 | 630 | 630 µS/cm |
| 17 Jul 2024, 09:33 | 523 | 523 µS/cm |
| 24 Jun 2024, 09:56 | 689 | 689 µS/cm |
Everything measured here
14 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 14 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 22 | Jun 2024 – May 2026 | 33.5% 28 May 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 22 | Jun 2024 – May 2026 | 3.22 mg/l 28 May 2026 |
| Temperature of Water 0076 | River water | 22 | Jun 2024 – May 2026 | 17.1 °C 28 May 2026 |
| pH 0061 | River water | 22 | Jun 2024 – May 2026 | 7.64 28 May 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 22 | Jun 2024 – May 2026 | 0.036 mg/l 28 May 2026 |
| Nitrate as N 0117 | River water | 22 | Jun 2024 – May 2026 | below 0.196 mg/l 28 May 2026 |
| Orthophosphate, reactive as P 0180 | River water | 22 | Jun 2024 – May 2026 | 0.16 mg/l 28 May 2026 |
| Conductivity at 25 C 0077 | River water | 22 | Jun 2024 – May 2026 | 821 µS/cm 28 May 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 22 | Jun 2024 – May 2026 | 260 mg/l 28 May 2026 |
| Ammonia un-ionised as N 0119 | River water | 22 | Jun 2024 – May 2026 | 0.00049 mg/l 28 May 2026 |
| BOD : 5 Day ATU 0085 | River water | 22 | Jun 2024 – May 2026 | below 4 mg/l 28 May 2026 |
| Nitrite as N 0118 | River water | 22 | Jun 2024 – May 2026 | below 0.004 mg/l 28 May 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 22 | Jun 2024 – May 2026 | below 0.2 mg/l 28 May 2026 |
| No flow /No sample 7668 | River water | 6 | Aug 2024 – Oct 2025 | No flow/discharge at sampling point 27 Oct 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.