River Uck Owlsbury Farm
EA name: R UCK OWLSBURY FARM (also listed as “RIVER UCK OWLSBURY FARM”)
Environment Agency sampling point SO-F0002274 · 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, 08:575 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
- 23 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 545900, 120200As published, to the nearest 100 m (so up to about 70 m out). Open in a map
- River, by its own name
- Uck
- River, by the map
- River UckPlaced on the river its name gives, 19 m from the line.
- Next gauge downstream
- Isfield weir On the River Uck · 1.5 km along the river
- Nearest gauge upstream
- Uckfield Mill upstream On the River Uck · 1.9 km along the river
- Why it was sampled
- Monitoring (national agency policy) (14 samples)
Environmental monitoring statutory (EU directives) (9 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
89.2%
Sampled 13 May 2026, 5 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 08:57 | 89.2 | 89.2% |
| 20 Apr 2026, 13:19 | 107.8 | 107.8% |
| 3 Mar 2026, 10:44 | 98.1 | 98.1% |
| 5 Feb 2026, 12:40 | 103.8 | 103.8% |
| 7 Jan 2026, 11:50 | 98.4 | 98.4% |
| 4 Dec 2025, 13:25 | 97 | 97% |
| 6 Nov 2025, 13:00 | 94.8 | 94.8% |
| 8 Oct 2025, 13:00 | 88.2 | 88.2% |
| 4 Sep 2025, 12:16 | 91.2 | 91.2% |
| 8 Aug 2025, 11:09 | 91.4 | 91.4% |
| 30 Jul 2025, 12:14 | 90.5 | 90.5% |
| 10 Jun 2025, 12:06 | 92.3 | 92.3% |
| 2 May 2025, 12:40 | 105.1 | 105.1% |
| 16 Apr 2025, 12:23 | 103.3 | 103.3% |
| 4 Mar 2025, 13:10 | 99.9 | 99.9% |
| 11 Feb 2025, 11:53 | 99 | 99% |
| 16 Dec 2024, 12:52 | 98.4 | 98.4% |
| 10 Dec 2024, 12:35 | 97.5 | 97.5% |
| 25 Oct 2024, 11:06 | 98.6 | 98.6% |
| 20 Sep 2024, 11:52 | 85.1 | 85.1% |
| 29 Aug 2024, 13:09 | 99.8 | 99.8% |
| 22 Jul 2024, 11:53 | 87.5 | 87.5% |
| 24 Jun 2024, 14:43 | 95.6 | 95.6% |
Dissolved oxygen
as O2 · code 9924 · mg/l
9.91 mg/l
Sampled 13 May 2026, 5 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 08:57 | 9.91 | 9.91 mg/l |
| 20 Apr 2026, 13:19 | 11.6 | 11.6 mg/l |
| 3 Mar 2026, 10:44 | 11.4 | 11.4 mg/l |
| 5 Feb 2026, 12:40 | 12.3 | 12.3 mg/l |
| 7 Jan 2026, 11:50 | 13.4 | 13.4 mg/l |
| 4 Dec 2025, 13:25 | 11.4 | 11.4 mg/l |
| 6 Nov 2025, 13:00 | 9.9 | 9.9 mg/l |
| 8 Oct 2025, 13:00 | 9.29 | 9.29 mg/l |
| 4 Sep 2025, 12:16 | 8.94 | 8.94 mg/l |
| 8 Aug 2025, 11:09 | 8.9 | 8.9 mg/l |
| 30 Jul 2025, 12:14 | 8.71 | 8.71 mg/l |
| 10 Jun 2025, 12:06 | 9.28 | 9.28 mg/l |
| 2 May 2025, 12:40 | 10.2 | 10.2 mg/l |
| 16 Apr 2025, 12:23 | 11.1 | 11.1 mg/l |
| 4 Mar 2025, 13:10 | 12.5 | 12.5 mg/l |
| 11 Feb 2025, 11:53 | 12.6 | 12.6 mg/l |
| 16 Dec 2024, 12:52 | 11.3 | 11.3 mg/l |
| 10 Dec 2024, 12:35 | 11.6 | 11.6 mg/l |
| 25 Oct 2024, 11:06 | 10.5 | 10.5 mg/l |
| 20 Sep 2024, 11:52 | 8.36 | 8.36 mg/l |
| 29 Aug 2024, 13:09 | 9.52 | 9.52 mg/l |
| 22 Jul 2024, 11:53 | 8.51 | 8.51 mg/l |
| 24 Jun 2024, 14:43 | 9.23 | 9.23 mg/l |
Water temperature
code 0076 · °C
10.6 °C
Sampled 13 May 2026, 5 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 08:57 | 10.6 | 10.6 °C |
| 20 Apr 2026, 13:19 | 12.1 | 12.1 °C |
| 3 Mar 2026, 10:44 | 8.8 | 8.8 °C |
| 5 Feb 2026, 12:40 | 7.9 | 7.9 °C |
| 7 Jan 2026, 11:50 | 2.5 | 2.5 °C |
| 4 Dec 2025, 13:25 | 8.1 | 8.1 °C |
| 6 Nov 2025, 13:00 | 13.3 | 13.3 °C |
| 8 Oct 2025, 13:00 | 12.9 | 12.9 °C |
| 4 Sep 2025, 12:16 | 16.2 | 16.2 °C |
| 8 Aug 2025, 11:09 | 16.5 | 16.5 °C |
| 30 Jul 2025, 12:14 | 17.1 | 17.1 °C |
| 10 Jun 2025, 12:06 | 15 | 15 °C |
| 2 May 2025, 12:40 | 16.6 | 16.6 °C |
| 16 Apr 2025, 12:23 | 12.1 | 12.1 °C |
| 4 Mar 2025, 13:10 | 5.8 | 5.8 °C |
| 11 Feb 2025, 11:53 | 5.2 | 5.2 °C |
| 16 Dec 2024, 12:52 | 9.2 | 9.2 °C |
| 10 Dec 2024, 12:35 | 7.9 | 7.9 °C |
| 25 Oct 2024, 11:06 | 12.6 | 12.6 °C |
| 20 Sep 2024, 11:52 | 16.1 | 16.1 °C |
| 29 Aug 2024, 13:09 | 17.5 | 17.5 °C |
| 22 Jul 2024, 11:53 | 16.6 | 16.6 °C |
| 24 Jun 2024, 14:43 | 16.9 | 16.9 °C |
pH
code 0061
7.79
Sampled 13 May 2026, 5 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 08:57 | 7.79 | 7.79 |
| 20 Apr 2026, 13:19 | 8.03 | 8.03 |
| 3 Mar 2026, 10:44 | 7.55 | 7.55 |
| 5 Feb 2026, 12:40 | 7.48 | 7.48 |
| 7 Jan 2026, 11:50 | 7.42 | 7.42 |
| 4 Dec 2025, 13:25 | 7.4 | 7.4 |
| 6 Nov 2025, 13:00 | 7.45 | 7.45 |
| 8 Oct 2025, 13:00 | 7.39 | 7.39 |
| 4 Sep 2025, 12:16 | 7.42 | 7.42 |
| 8 Aug 2025, 11:09 | 7.43 | 7.43 |
| 30 Jul 2025, 12:14 | 7.4 | 7.4 |
| 10 Jun 2025, 12:06 | 7.44 | 7.44 |
| 2 May 2025, 12:40 | 7.51 | 7.51 |
| 16 Apr 2025, 12:23 | 7.54 | 7.54 |
| 4 Mar 2025, 13:10 | 7.53 | 7.53 |
| 11 Feb 2025, 11:53 | 7.62 | 7.62 |
| 16 Dec 2024, 12:52 | 7.98 | 7.98 |
| 10 Dec 2024, 12:35 | 7.3 | 7.3 |
| 25 Oct 2024, 11:06 | 7.56 | 7.56 |
| 20 Sep 2024, 11:52 | 7.41 | 7.41 |
| 29 Aug 2024, 13:09 | 7.51 | 7.51 |
| 22 Jul 2024, 11:53 | 7.41 | 7.41 |
| 24 Jun 2024, 14:43 | 7.47 | 7.47 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.21 mg/l
Sampled 13 May 2026, 5 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 08:57 | 0.21 | 0.21 mg/l |
| 20 Apr 2026, 13:19 | 0.14 | 0.14 mg/l |
| 3 Mar 2026, 10:44 | 0.077 | 0.077 mg/l |
| 5 Feb 2026, 12:40 | 0.04 | 0.04 mg/l |
| 7 Jan 2026, 11:50 | 0.3 | 0.3 mg/l |
| 4 Dec 2025, 13:25 | 0.066 | 0.066 mg/l |
| 6 Nov 2025, 13:00 | <0.03 | below 0.03 mg/l (not detected above this) |
| 8 Oct 2025, 13:00 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Sep 2025, 12:16 | 0.042 | 0.042 mg/l |
| 8 Aug 2025, 11:09 | 0.044 | 0.044 mg/l |
| 30 Jul 2025, 12:14 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Jun 2025, 12:06 | 0.04 | 0.04 mg/l |
| 2 May 2025, 12:40 | <0.03 | below 0.03 mg/l (not detected above this) |
| 16 Apr 2025, 12:23 | 0.083 | 0.083 mg/l |
| 4 Mar 2025, 13:10 | 0.032 | 0.032 mg/l |
| 11 Feb 2025, 11:53 | 0.034 | 0.034 mg/l |
| 16 Dec 2024, 12:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Dec 2024, 12:35 | 0.04 | 0.04 mg/l |
| 25 Oct 2024, 11:06 | <0.03 | below 0.03 mg/l (not detected above this) |
| 20 Sep 2024, 11:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 29 Aug 2024, 13:09 | <0.03 | below 0.03 mg/l (not detected above this) |
| 22 Jul 2024, 11:53 | <0.03 | below 0.03 mg/l (not detected above this) |
| 24 Jun 2024, 14:43 | 0.034 | 0.034 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
3.47 mg/l
Sampled 13 May 2026, 5 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 08:57 | 3.47 | 3.47 mg/l |
| 20 Apr 2026, 13:19 | 5.28 | 5.28 mg/l |
| 3 Mar 2026, 10:44 | 2.69 | 2.69 mg/l |
| 5 Feb 2026, 12:40 | 1.6 | 1.6 mg/l |
| 7 Jan 2026, 11:50 | 2.48 | 2.48 mg/l |
| 4 Dec 2025, 13:25 | 1.79 | 1.79 mg/l |
| 6 Nov 2025, 13:00 | 4.3 | 4.3 mg/l |
| 8 Oct 2025, 13:00 | 9.99 | 9.99 mg/l |
| 4 Sep 2025, 12:16 | 5.19 | 5.19 mg/l |
| 8 Aug 2025, 11:09 | 8.88 | 8.88 mg/l |
| 30 Jul 2025, 12:14 | 9.69 | 9.69 mg/l |
| 10 Jun 2025, 12:06 | 7.99 | 7.99 mg/l |
| 2 May 2025, 12:40 | 6.59 | 6.59 mg/l |
| 16 Apr 2025, 12:23 | 2.98 | 2.98 mg/l |
| 4 Mar 2025, 13:10 | 3.09 | 3.09 mg/l |
| 11 Feb 2025, 11:53 | 2.09 | 2.09 mg/l |
| 16 Dec 2024, 12:52 | 3.29 | 3.29 mg/l |
| 10 Dec 2024, 12:35 | 1.19 | 1.19 mg/l |
| 25 Oct 2024, 11:06 | 3.09 | 3.09 mg/l |
| 20 Sep 2024, 11:52 | 7.99 | 7.99 mg/l |
| 29 Aug 2024, 13:09 | 9.99 | 9.99 mg/l |
| 22 Jul 2024, 11:53 | 6.89 | 6.89 mg/l |
| 24 Jun 2024, 14:43 | 5.49 | 5.49 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.023 mg/l
Sampled 13 May 2026, 5 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 08:57 | 0.023 | 0.023 mg/l |
| 20 Apr 2026, 13:19 | 0.041 | 0.041 mg/l |
| 3 Mar 2026, 10:44 | 0.045 | 0.045 mg/l |
| 5 Feb 2026, 12:40 | 0.047 | 0.047 mg/l |
| 7 Jan 2026, 11:50 | 0.047 | 0.047 mg/l |
| 4 Dec 2025, 13:25 | 0.05 | 0.05 mg/l |
| 6 Nov 2025, 13:00 | 0.046 | 0.046 mg/l |
| 8 Oct 2025, 13:00 | 0.075 | 0.075 mg/l |
| 4 Sep 2025, 12:16 | 0.077 | 0.077 mg/l |
| 8 Aug 2025, 11:09 | 0.07 | 0.07 mg/l |
| 30 Jul 2025, 12:14 | 0.074 | 0.074 mg/l |
| 10 Jun 2025, 12:06 | 0.085 | 0.085 mg/l |
| 2 May 2025, 12:40 | 0.06 | 0.06 mg/l |
| 16 Apr 2025, 12:23 | 0.036 | 0.036 mg/l |
| 4 Mar 2025, 13:10 | 0.032 | 0.032 mg/l |
| 11 Feb 2025, 11:53 | 0.039 | 0.039 mg/l |
| 16 Dec 2024, 12:52 | 0.04 | 0.04 mg/l |
| 10 Dec 2024, 12:35 | 0.021 | 0.021 mg/l |
| 25 Oct 2024, 11:06 | 0.04 | 0.04 mg/l |
| 20 Sep 2024, 11:52 | 0.059 | 0.059 mg/l |
| 29 Aug 2024, 13:09 | 0.071 | 0.071 mg/l |
| 22 Jul 2024, 11:53 | 0.049 | 0.049 mg/l |
| 24 Jun 2024, 14:43 | 0.058 | 0.058 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
372 µS/cm
Sampled 13 May 2026, 5 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 08:57 | 372 | 372 µS/cm |
| 20 Apr 2026, 13:19 | 396 | 396 µS/cm |
| 3 Mar 2026, 10:44 | 292 | 292 µS/cm |
| 5 Feb 2026, 12:40 | 233 | 233 µS/cm |
| 7 Jan 2026, 11:50 | 337 | 337 µS/cm |
| 4 Dec 2025, 13:25 | 251 | 251 µS/cm |
| 6 Nov 2025, 13:00 | 362 | 362 µS/cm |
| 8 Oct 2025, 13:00 | 535 | 535 µS/cm |
| 4 Sep 2025, 12:16 | 355 | 355 µS/cm |
| 8 Aug 2025, 11:09 | 515 | 515 µS/cm |
| 30 Jul 2025, 12:14 | 516 | 516 µS/cm |
| 10 Jun 2025, 12:06 | 452 | 452 µS/cm |
| 2 May 2025, 12:40 | 429 | 429 µS/cm |
| 16 Apr 2025, 12:23 | 335 | 335 µS/cm |
| 4 Mar 2025, 13:10 | 307 | 307 µS/cm |
| 11 Feb 2025, 11:53 | 277 | 277 µS/cm |
| 16 Dec 2024, 12:52 | 316 | 316 µS/cm |
| 10 Dec 2024, 12:35 | 200 | 200 µS/cm |
| 25 Oct 2024, 11:06 | 302 | 302 µS/cm |
| 20 Sep 2024, 11:52 | 490 | 490 µS/cm |
| 29 Aug 2024, 13:09 | 487 | 487 µS/cm |
| 22 Jul 2024, 11:53 | 436 | 436 µS/cm |
| 24 Jun 2024, 14:43 | 395 | 395 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 | 23 | Jun 2024 – May 2026 | 89.2% 13 May 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 23 | Jun 2024 – May 2026 | 9.91 mg/l 13 May 2026 |
| Temperature of Water 0076 | River water | 23 | Jun 2024 – May 2026 | 10.6 °C 13 May 2026 |
| pH 0061 | River water | 23 | Jun 2024 – May 2026 | 7.79 13 May 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 23 | Jun 2024 – May 2026 | 0.21 mg/l 13 May 2026 |
| Nitrate as N 0117 | River water | 23 | Jun 2024 – May 2026 | 3.47 mg/l 13 May 2026 |
| Orthophosphate, reactive as P 0180 | River water | 23 | Jun 2024 – May 2026 | 0.023 mg/l 13 May 2026 |
| Conductivity at 25 C 0077 | River water | 23 | Jun 2024 – May 2026 | 372 µS/cm 13 May 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 23 | Jun 2024 – May 2026 | 71 mg/l 13 May 2026 |
| Ammonia un-ionised as N 0119 | River water | 23 | Jun 2024 – May 2026 | 0.00249 mg/l 13 May 2026 |
| BOD : 5 Day ATU 0085 | River water | 23 | Jun 2024 – May 2026 | 1.3 mg/l 13 May 2026 |
| Nitrite as N 0118 | River water | 23 | Jun 2024 – May 2026 | 0.034 mg/l 13 May 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 23 | Jun 2024 – May 2026 | 3.5 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.