Little Ouse River Wilton Bridge Lakenheath
EA name: LT.OUSE R. WILTON BRIDGE LAKENHEATH
Environment Agency sampling point AN-46M01 · 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
- 15 Dec 2025, 13:0910 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
- 22 since 17 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 572400, 286700As published, to the nearest 100 m (so up to about 70 m out). Open in a map
- River, by its own name
- Its name does not give one
- River, by the map
- Not placedGrid reference only to 100 m and no line carries the name it gives, so position alone cannot choose. The river map cannot say which watercourse this is.
- Next gauge downstream
- Not known
- Why it was sampled
- Monitoring (national agency policy) (20 samples)
Environmental monitoring statutory (EU directives) (2 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
88.9%
Sampled 15 Dec 2025, 10 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Dec 2025, 13:09 | 88.9 | 88.9% |
| 5 Dec 2025, 14:22 | 84.1 | 84.1% |
| 20 Nov 2025, 10:09 | 81.6 | 81.6% |
| 3 Nov 2025, 13:51 | 70.8 | 70.8% |
| 10 Mar 2025, 15:01 | 93.9 | 93.9% |
| 11 Feb 2025, 15:31 | 92.5 | 92.5% |
| 23 Jan 2025, 11:50 | 88.8 | 88.8% |
| 12 Dec 2024, 11:02 | 90.2 | 90.2% |
| 18 Nov 2024, 15:33 | 81.7 | 81.7% |
| 18 Oct 2024, 12:37 | 76.2 | 76.2% |
| 17 Sep 2024, 14:24 | 107.7 | 107.7% |
| 21 Aug 2024, 10:18 | 98.3 | 98.3% |
| 15 Jul 2024, 12:44 | 104 | 104% |
| 18 Jun 2024, 08:50 | 96.8 | 96.8% |
| 17 May 2024, 10:18 | 87.3 | 87.3% |
| 22 Apr 2024, 11:17 | 92.6 | 92.6% |
| 25 Mar 2024, 15:18 | 95.3 | 95.3% |
| 19 Feb 2024, 14:09 | 87.3 | 87.3% |
| 15 Jan 2024, 14:35 | 88.8 | 88.8% |
| 7 Dec 2023, 12:25 | 92.5 | 92.5% |
| 20 Nov 2023, 12:10 | 84.5 | 84.5% |
| 17 Oct 2023, 11:54 | 82.8 | 82.8% |
Dissolved oxygen
as O2 · code 9924 · mg/l
10.6 mg/l
Sampled 15 Dec 2025, 10 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Dec 2025, 13:09 | 10.6 | 10.6 mg/l |
| 5 Dec 2025, 14:22 | 10.3 | 10.3 mg/l |
| 20 Nov 2025, 10:09 | 10.2 | 10.2 mg/l |
| 3 Nov 2025, 13:51 | 7.83 | 7.83 mg/l |
| 10 Mar 2025, 15:01 | 10.8 | 10.8 mg/l |
| 11 Feb 2025, 15:31 | 11.4 | 11.4 mg/l |
| 23 Jan 2025, 11:50 | 10.9 | 10.9 mg/l |
| 12 Dec 2024, 11:02 | 11 | 11 mg/l |
| 18 Nov 2024, 15:33 | 9.59 | 9.59 mg/l |
| 18 Oct 2024, 12:37 | 8.16 | 8.16 mg/l |
| 17 Sep 2024, 14:24 | 11.1 | 11.1 mg/l |
| 21 Aug 2024, 10:18 | 9.64 | 9.64 mg/l |
| 15 Jul 2024, 12:44 | 10.1 | 10.1 mg/l |
| 18 Jun 2024, 08:50 | 9.76 | 9.76 mg/l |
| 17 May 2024, 10:18 | 8.84 | 8.84 mg/l |
| 22 Apr 2024, 11:17 | 10.6 | 10.6 mg/l |
| 25 Mar 2024, 15:18 | 10.8 | 10.8 mg/l |
| 19 Feb 2024, 14:09 | 9.72 | 9.72 mg/l |
| 15 Jan 2024, 14:35 | 11.4 | 11.4 mg/l |
| 7 Dec 2023, 12:25 | 11.8 | 11.8 mg/l |
| 20 Nov 2023, 12:10 | 9.59 | 9.59 mg/l |
| 17 Oct 2023, 11:54 | 9.28 | 9.28 mg/l |
Water temperature
code 0076 · °C
7.7 °C
Sampled 15 Dec 2025, 10 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Dec 2025, 13:09 | 7.7 | 7.7 °C |
| 5 Dec 2025, 14:22 | 6.6 | 6.6 °C |
| 20 Nov 2025, 10:09 | 5.8 | 5.8 °C |
| 3 Nov 2025, 13:51 | 10.8 | 10.8 °C |
| 10 Mar 2025, 15:01 | 9.2 | 9.2 °C |
| 11 Feb 2025, 15:31 | 6.5 | 6.5 °C |
| 23 Jan 2025, 11:50 | 6.4 | 6.4 °C |
| 12 Dec 2024, 11:02 | 6.8 | 6.8 °C |
| 18 Nov 2024, 15:33 | 8.3 | 8.3 °C |
| 18 Oct 2024, 12:37 | 12.2 | 12.2 °C |
| 17 Sep 2024, 14:24 | 13.7 | 13.7 °C |
| 21 Aug 2024, 10:18 | 16.2 | 16.2 °C |
| 15 Jul 2024, 12:44 | 16.5 | 16.5 °C |
| 18 Jun 2024, 08:50 | 14.9 | 14.9 °C |
| 17 May 2024, 10:18 | 14.7 | 14.7 °C |
| 22 Apr 2024, 11:17 | 9.5 | 9.5 °C |
| 25 Mar 2024, 15:18 | 9.6 | 9.6 °C |
| 19 Feb 2024, 14:09 | 10.5 | 10.5 °C |
| 15 Jan 2024, 14:35 | 4.6 | 4.6 °C |
| 7 Dec 2023, 12:25 | 5.1 | 5.1 °C |
| 20 Nov 2023, 12:10 | 9.7 | 9.7 °C |
| 17 Oct 2023, 11:54 | 10.2 | 10.2 °C |
pH
code 0061
7.79
Sampled 15 Dec 2025, 10 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Dec 2025, 13:09 | 7.79 | 7.79 |
| 5 Dec 2025, 14:22 | 7.78 | 7.78 |
| 20 Nov 2025, 10:09 | 7.67 | 7.67 |
| 3 Nov 2025, 13:51 | 7.77 | 7.77 |
| 10 Mar 2025, 15:01 | 8.02 | 8.02 |
| 11 Feb 2025, 15:31 | 7.99 | 7.99 |
| 23 Jan 2025, 11:50 | 7.81 | 7.81 |
| 12 Dec 2024, 11:02 | 7.94 | 7.94 |
| 18 Nov 2024, 15:33 | 7.78 | 7.78 |
| 18 Oct 2024, 12:37 | 7.59 | 7.59 |
| 17 Sep 2024, 14:24 | 7.99 | 7.99 |
| 21 Aug 2024, 10:18 | 8.02 | 8.02 |
| 15 Jul 2024, 12:44 | 8.11 | 8.11 |
| 18 Jun 2024, 08:50 | 7.94 | 7.94 |
| 17 May 2024, 10:18 | 7.65 | 7.65 |
| 22 Apr 2024, 11:17 | 7.89 | 7.89 |
| 25 Mar 2024, 15:18 | 7.85 | 7.85 |
| 19 Feb 2024, 14:09 | 7.92 | 7.92 |
| 15 Jan 2024, 14:35 | 7.84 | 7.84 |
| 7 Dec 2023, 12:25 | 8.08 | 8.08 |
| 20 Nov 2023, 12:10 | 7.76 | 7.76 |
| 17 Oct 2023, 11:54 | 7.86 | 7.86 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.18 mg/l
Sampled 15 Dec 2025, 10 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Dec 2025, 13:09 | 0.18 | 0.18 mg/l |
| 5 Dec 2025, 14:22 | 0.05 | 0.05 mg/l |
| 20 Nov 2025, 10:09 | 0.064 | 0.064 mg/l |
| 3 Nov 2025, 13:51 | 0.041 | 0.041 mg/l |
| 10 Mar 2025, 15:01 | 0.063 | 0.063 mg/l |
| 11 Feb 2025, 15:31 | 0.077 | 0.077 mg/l |
| 23 Jan 2025, 11:50 | 0.074 | 0.074 mg/l |
| 12 Dec 2024, 11:02 | 0.071 | 0.071 mg/l |
| 18 Nov 2024, 15:33 | 0.056 | 0.056 mg/l |
| 18 Oct 2024, 12:37 | 0.071 | 0.071 mg/l |
| 17 Sep 2024, 14:24 | <0.03 | below 0.03 mg/l (not detected above this) |
| 21 Aug 2024, 10:18 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Jul 2024, 12:44 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Jun 2024, 08:50 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 May 2024, 10:18 | 0.087 | 0.087 mg/l |
| 22 Apr 2024, 11:17 | 0.039 | 0.039 mg/l |
| 25 Mar 2024, 15:18 | 0.068 | 0.068 mg/l |
| 19 Feb 2024, 14:09 | 0.037 | 0.037 mg/l |
| 15 Jan 2024, 14:35 | 0.09 | 0.09 mg/l |
| 7 Dec 2023, 12:25 | 0.099 | 0.099 mg/l |
| 20 Nov 2023, 12:10 | 0.084 | 0.084 mg/l |
| 17 Oct 2023, 11:54 | 0.065 | 0.065 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
10.9 mg/l
Sampled 15 Dec 2025, 10 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Dec 2025, 13:09 | 10.9 | 10.9 mg/l |
| 5 Dec 2025, 14:22 | 9.55 | 9.55 mg/l |
| 20 Nov 2025, 10:09 | 7.26 | 7.26 mg/l |
| 3 Nov 2025, 13:51 | 7.96 | 7.96 mg/l |
| 10 Mar 2025, 15:01 | 9.26 | 9.26 mg/l |
| 11 Feb 2025, 15:31 | 9.55 | 9.55 mg/l |
| 23 Jan 2025, 11:50 | 9.34 | 9.34 mg/l |
| 12 Dec 2024, 11:02 | 9.35 | 9.35 mg/l |
| 18 Nov 2024, 15:33 | 9.32 | 9.32 mg/l |
| 18 Oct 2024, 12:37 | 7.63 | 7.63 mg/l |
| 17 Sep 2024, 14:24 | 8.08 | 8.08 mg/l |
| 21 Aug 2024, 10:18 | 7.88 | 7.88 mg/l |
| 15 Jul 2024, 12:44 | 6.77 | 6.77 mg/l |
| 18 Jun 2024, 08:50 | 7.88 | 7.88 mg/l |
| 17 May 2024, 10:18 | 7.75 | 7.75 mg/l |
| 22 Apr 2024, 11:17 | 8.37 | 8.37 mg/l |
| 25 Mar 2024, 15:18 | 8.66 | 8.66 mg/l |
| 19 Feb 2024, 14:09 | 6.38 | 6.38 mg/l |
| 15 Jan 2024, 14:35 | 8.26 | 8.26 mg/l |
| 7 Dec 2023, 12:25 | 8.96 | 8.96 mg/l |
| 20 Nov 2023, 12:10 | 7.25 | 7.25 mg/l |
| 17 Oct 2023, 11:54 | 7.45 | 7.45 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.11 mg/l
Sampled 15 Dec 2025, 10 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Dec 2025, 13:09 | 0.11 | 0.11 mg/l |
| 5 Dec 2025, 14:22 | 0.12 | 0.12 mg/l |
| 20 Nov 2025, 10:09 | 0.19 | 0.19 mg/l |
| 3 Nov 2025, 13:51 | 0.12 | 0.12 mg/l |
| 10 Mar 2025, 15:01 | 0.044 | 0.044 mg/l |
| 11 Feb 2025, 15:31 | 0.071 | 0.071 mg/l |
| 23 Jan 2025, 11:50 | 0.081 | 0.081 mg/l |
| 12 Dec 2024, 11:02 | 0.13 | 0.13 mg/l |
| 18 Nov 2024, 15:33 | 0.09 | 0.09 mg/l |
| 18 Oct 2024, 12:37 | 0.085 | 0.085 mg/l |
| 17 Sep 2024, 14:24 | 0.082 | 0.082 mg/l |
| 21 Aug 2024, 10:18 | 0.069 | 0.069 mg/l |
| 15 Jul 2024, 12:44 | 0.07 | 0.07 mg/l |
| 18 Jun 2024, 08:50 | 0.057 | 0.057 mg/l |
| 17 May 2024, 10:18 | 0.085 | 0.085 mg/l |
| 22 Apr 2024, 11:17 | 0.045 | 0.045 mg/l |
| 25 Mar 2024, 15:18 | 0.049 | 0.049 mg/l |
| 19 Feb 2024, 14:09 | 0.068 | 0.068 mg/l |
| 15 Jan 2024, 14:35 | 0.081 | 0.081 mg/l |
| 7 Dec 2023, 12:25 | 0.076 | 0.076 mg/l |
| 20 Nov 2023, 12:10 | 0.096 | 0.096 mg/l |
| 17 Oct 2023, 11:54 | 0.13 | 0.13 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
894 µS/cm
Sampled 15 Dec 2025, 10 months ago · 22 results banked
Every result (22)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Dec 2025, 13:09 | 894 | 894 µS/cm |
| 5 Dec 2025, 14:22 | 924 | 924 µS/cm |
| 20 Nov 2025, 10:09 | 868 | 868 µS/cm |
| 3 Nov 2025, 13:51 | 872 | 872 µS/cm |
| 10 Mar 2025, 15:01 | 796 | 796 µS/cm |
| 11 Feb 2025, 15:31 | 809 | 809 µS/cm |
| 23 Jan 2025, 11:50 | 841 | 841 µS/cm |
| 12 Dec 2024, 11:02 | 706 | 706 µS/cm |
| 18 Nov 2024, 15:33 | 839 | 839 µS/cm |
| 18 Oct 2024, 12:37 | 819 | 819 µS/cm |
| 17 Sep 2024, 14:24 | 802 | 802 µS/cm |
| 21 Aug 2024, 10:18 | 773 | 773 µS/cm |
| 15 Jul 2024, 12:44 | 794 | 794 µS/cm |
| 18 Jun 2024, 08:50 | 796 | 796 µS/cm |
| 17 May 2024, 10:18 | 802 | 802 µS/cm |
| 22 Apr 2024, 11:17 | 801 | 801 µS/cm |
| 25 Mar 2024, 15:18 | 798 | 798 µS/cm |
| 19 Feb 2024, 14:09 | 719 | 719 µS/cm |
| 15 Jan 2024, 14:35 | 808 | 808 µS/cm |
| 7 Dec 2023, 12:25 | 857 | 857 µS/cm |
| 20 Nov 2023, 12:10 | 836 | 836 µS/cm |
| 17 Oct 2023, 11:54 | 836 | 836 µS/cm |
Everything measured here
17 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 17 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 22 | Oct 2023 – Dec 2025 | 88.9% 15 Dec 2025 |
| Oxygen, Dissolved as O2 9924 | River water | 22 | Oct 2023 – Dec 2025 | 10.6 mg/l 15 Dec 2025 |
| Temperature of Water 0076 | River water | 22 | Oct 2023 – Dec 2025 | 7.7 °C 15 Dec 2025 |
| pH 0061 | River water | 22 | Oct 2023 – Dec 2025 | 7.79 15 Dec 2025 |
| Ammoniacal Nitrogen as N 0111 | River water | 22 | Oct 2023 – Dec 2025 | 0.18 mg/l 15 Dec 2025 |
| Nitrate as N 0117 | River water | 22 | Oct 2023 – Dec 2025 | 10.9 mg/l 15 Dec 2025 |
| Orthophosphate, reactive as P 0180 | River water | 22 | Oct 2023 – Dec 2025 | 0.11 mg/l 15 Dec 2025 |
| Conductivity at 25 C 0077 | River water | 22 | Oct 2023 – Dec 2025 | 894 µS/cm 15 Dec 2025 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 22 | Oct 2023 – Dec 2025 | 240 mg/l 15 Dec 2025 |
| Ammonia un-ionised as N 0119 | River water | 22 | Oct 2023 – Dec 2025 | 0.00172 mg/l 15 Dec 2025 |
| BOD : 5 Day ATU 0085 | River water | 18 | Feb 2024 – Dec 2025 | 1.4 mg/l 15 Dec 2025 |
| Cadmium, Dissolved 0106 | River water | 2 | Oct 2023 – Jan 2024 | 0.012 µg/l 15 Jan 2024 |
| Calcium, Dissolved 0239 | River water | 2 | Oct 2023 – Jan 2024 | 140 mg/l 15 Jan 2024 |
| Carbon, Organic, Dissolved as C :- {DOC} 0301 | River water | 2 | Oct 2023 – Jan 2024 | 8.2 mg/l 15 Jan 2024 |
| Magnesium, Dissolved 0235 | River water | 2 | Oct 2023 – Jan 2024 | 3.8 mg/l 15 Jan 2024 |
| Nitrite as N 0118 | River water | 22 | Oct 2023 – Dec 2025 | 0.07 mg/l 15 Dec 2025 |
| Nitrogen, Total Oxidised as N 0116 | River water | 22 | Oct 2023 – Dec 2025 | 11 mg/l 15 Dec 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.