Ascott Brook tributary of Ouzel B488 Road Bridge Grove
EA name: ASCOTT BK.TRIB.OUZEL B488 RD.BR.GROVE
Environment Agency sampling point AN-06M14 · 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
- 17 Sep 2026, 11:2014 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 28 since 16 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 491418, 222890As published, to the nearest 1 m. Open in a map
- River, by its own name
- Its name does not give one
- River, by the map
- An unnamed streamPlaced by position alone (the only river line close by), 1 m from the line.
- Next gauge downstream
- None tracedThe map stops before any gauge.
- Why it was sampled
- Monitoring (national agency policy) (28 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
85.2%
Sampled 17 Sep 2026, 14 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:20 | 85.2 | 85.2% |
| 3 Aug 2026, 12:11 | 69.5 | 69.5% |
| 7 Jul 2026, 15:33 | 93.6 | 93.6% |
| 16 Jun 2026, 12:10 | 78 | 78% |
| 8 May 2026, 14:26 | 103 | 103% |
| 10 Apr 2026, 12:30 | 111.2 | 111.2% |
| 16 Dec 2025, 12:52 | 87.7 | 87.7% |
| 9 Dec 2025, 11:50 | 92.6 | 92.6% |
| 18 Nov 2025, 13:12 | 94.4 | 94.4% |
| 5 Nov 2025, 13:09 | 73 | 73% |
| 17 Mar 2025, 10:45 | 102.9 | 102.9% |
| 27 Feb 2025, 11:42 | 98.9 | 98.9% |
| 12 Feb 2025, 11:08 | 99 | 99% |
| 6 Dec 2024, 09:40 | 95.2 | 95.2% |
| 20 Nov 2024, 12:25 | 94.7 | 94.7% |
| 17 Oct 2024, 09:58 | 89.4 | 89.4% |
| 25 Sep 2024, 11:13 | 88.2 | 88.2% |
| 22 Aug 2024, 10:36 | 76.2 | 76.2% |
| 17 Jul 2024, 11:34 | 87.1 | 87.1% |
| 21 Jun 2024, 15:32 | 94.3 | 94.3% |
| 16 May 2024, 12:45 | 101.4 | 101.4% |
| 15 Apr 2024, 12:46 | 112.9 | 112.9% |
| 21 Mar 2024, 12:23 | 118.7 | 118.7% |
| 19 Feb 2024, 11:44 | 95 | 95% |
| 18 Jan 2024, 12:26 | 98.2 | 98.2% |
| 5 Dec 2023, 14:31 | 93.9 | 93.9% |
| 16 Nov 2023, 11:58 | 95.6 | 95.6% |
| 16 Oct 2023, 12:33 | 92.6 | 92.6% |
Dissolved oxygen
as O2 · code 9924 · mg/l
8.55 mg/l
Sampled 17 Sep 2026, 14 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:20 | 8.55 | 8.55 mg/l |
| 3 Aug 2026, 12:11 | 6.51 | 6.51 mg/l |
| 7 Jul 2026, 15:33 | 8.29 | 8.29 mg/l |
| 16 Jun 2026, 12:10 | 7.61 | 7.61 mg/l |
| 8 May 2026, 14:26 | 10.8 | 10.8 mg/l |
| 10 Apr 2026, 12:30 | 12.6 | 12.6 mg/l |
| 16 Dec 2025, 12:52 | 10.1 | 10.1 mg/l |
| 9 Dec 2025, 11:50 | 10.4 | 10.4 mg/l |
| 18 Nov 2025, 13:12 | 11.6 | 11.6 mg/l |
| 5 Nov 2025, 13:09 | 7.71 | 7.71 mg/l |
| 17 Mar 2025, 10:45 | 12.9 | 12.9 mg/l |
| 27 Feb 2025, 11:42 | 12.1 | 12.1 mg/l |
| 12 Feb 2025, 11:08 | 12.6 | 12.6 mg/l |
| 6 Dec 2024, 09:40 | 11.5 | 11.5 mg/l |
| 20 Nov 2024, 12:25 | 11.8 | 11.8 mg/l |
| 17 Oct 2024, 09:58 | 9.33 | 9.33 mg/l |
| 25 Sep 2024, 11:13 | 9.25 | 9.25 mg/l |
| 22 Aug 2024, 10:36 | 7.68 | 7.68 mg/l |
| 17 Jul 2024, 11:34 | 8.74 | 8.74 mg/l |
| 21 Jun 2024, 15:32 | 9.05 | 9.05 mg/l |
| 16 May 2024, 12:45 | 10.4 | 10.4 mg/l |
| 15 Apr 2024, 12:46 | 12.9 | 12.9 mg/l |
| 21 Mar 2024, 12:23 | 13.2 | 13.2 mg/l |
| 19 Feb 2024, 11:44 | 10.9 | 10.9 mg/l |
| 18 Jan 2024, 12:26 | 14.2 | 14.2 mg/l |
| 5 Dec 2023, 14:31 | 11.5 | 11.5 mg/l |
| 16 Nov 2023, 11:58 | 11.3 | 11.3 mg/l |
| 16 Oct 2023, 12:33 | 10.6 | 10.6 mg/l |
Water temperature
code 0076 · °C
15.1 °C
Sampled 17 Sep 2026, 14 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:20 | 15.1 | 15.1 °C |
| 3 Aug 2026, 12:11 | 18.4 | 18.4 °C |
| 7 Jul 2026, 15:33 | 21.2 | 21.2 °C |
| 16 Jun 2026, 12:10 | 16.4 | 16.4 °C |
| 8 May 2026, 14:26 | 13.3 | 13.3 °C |
| 10 Apr 2026, 12:30 | 9.6 | 9.6 °C |
| 16 Dec 2025, 12:52 | 9.1 | 9.1 °C |
| 9 Dec 2025, 11:50 | 10.2 | 10.2 °C |
| 18 Nov 2025, 13:12 | 6.4 | 6.4 °C |
| 5 Nov 2025, 13:09 | 12.8 | 12.8 °C |
| 17 Mar 2025, 10:45 | 5.7 | 5.7 °C |
| 27 Feb 2025, 11:42 | 6.6 | 6.6 °C |
| 12 Feb 2025, 11:08 | 5 | 5 °C |
| 6 Dec 2024, 09:40 | 7.2 | 7.2 °C |
| 20 Nov 2024, 12:25 | 5.8 | 5.8 °C |
| 17 Oct 2024, 09:58 | 13.3 | 13.3 °C |
| 25 Sep 2024, 11:13 | 13.1 | 13.1 °C |
| 22 Aug 2024, 10:36 | 14.9 | 14.9 °C |
| 17 Jul 2024, 11:34 | 15.1 | 15.1 °C |
| 21 Jun 2024, 15:32 | 17.2 | 17.2 °C |
| 16 May 2024, 12:45 | 14 | 14 °C |
| 15 Apr 2024, 12:46 | 9.4 | 9.4 °C |
| 21 Mar 2024, 12:23 | 10.4 | 10.4 °C |
| 19 Feb 2024, 11:44 | 9.1 | 9.1 °C |
| 18 Jan 2024, 12:26 | 0.2 | 0.2 °C |
| 5 Dec 2023, 14:31 | 6.7 | 6.7 °C |
| 16 Nov 2023, 11:58 | 7.9 | 7.9 °C |
| 16 Oct 2023, 12:33 | 9.5 | 9.5 °C |
pH
code 0061
7.82
Sampled 17 Sep 2026, 14 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:20 | 7.82 | 7.82 |
| 3 Aug 2026, 12:11 | 7.81 | 7.81 |
| 7 Jul 2026, 15:33 | 8.12 | 8.12 |
| 16 Jun 2026, 12:10 | 7.86 | 7.86 |
| 8 May 2026, 14:26 | 8.2 | 8.2 |
| 10 Apr 2026, 12:30 | 8.32 | 8.32 |
| 16 Dec 2025, 12:52 | 7.85 | 7.85 |
| 9 Dec 2025, 11:50 | 8.03 | 8.03 |
| 18 Nov 2025, 13:12 | 7.93 | 7.93 |
| 5 Nov 2025, 13:09 | 8 | 8 |
| 17 Mar 2025, 10:45 | 8.37 | 8.37 |
| 27 Feb 2025, 11:42 | 8.07 | 8.07 |
| 12 Feb 2025, 11:08 | 8.09 | 8.09 |
| 6 Dec 2024, 09:40 | 7.95 | 7.95 |
| 20 Nov 2024, 12:25 | 8.25 | 8.25 |
| 17 Oct 2024, 09:58 | 7.9 | 7.9 |
| 25 Sep 2024, 11:13 | 7.81 | 7.81 |
| 22 Aug 2024, 10:36 | 8 | 8 |
| 17 Jul 2024, 11:34 | 7.99 | 7.99 |
| 21 Jun 2024, 15:32 | 8.08 | 8.08 |
| 16 May 2024, 12:45 | 8.34 | 8.34 |
| 15 Apr 2024, 12:46 | 8.39 | 8.39 |
| 21 Mar 2024, 12:23 | 8.34 | 8.34 |
| 19 Feb 2024, 11:44 | 7.93 | 7.93 |
| 18 Jan 2024, 12:26 | 8.38 | 8.38 |
| 5 Dec 2023, 14:31 | 8.03 | 8.03 |
| 16 Nov 2023, 11:58 | 8.09 | 8.09 |
| 16 Oct 2023, 12:33 | 7.94 | 7.94 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.03 mg/l (not detected above this)
Sampled 17 Sep 2026, 14 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:20 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Aug 2026, 12:11 | 0.037 | 0.037 mg/l |
| 7 Jul 2026, 15:33 | 0.036 | 0.036 mg/l |
| 16 Jun 2026, 12:10 | <0.03 | below 0.03 mg/l (not detected above this) |
| 8 May 2026, 14:26 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Apr 2026, 12:30 | <0.03 | below 0.03 mg/l (not detected above this) |
| 16 Dec 2025, 12:52 | 0.1 | 0.1 mg/l |
| 9 Dec 2025, 11:50 | 0.065 | 0.065 mg/l |
| 18 Nov 2025, 13:12 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Nov 2025, 13:09 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Mar 2025, 10:45 | 0.32 | 0.32 mg/l |
| 27 Feb 2025, 11:42 | 0.066 | 0.066 mg/l |
| 12 Feb 2025, 11:08 | 0.076 | 0.076 mg/l |
| 6 Dec 2024, 09:40 | 0.042 | 0.042 mg/l |
| 20 Nov 2024, 12:25 | 0.037 | 0.037 mg/l |
| 17 Oct 2024, 09:58 | <0.03 | below 0.03 mg/l (not detected above this) |
| 25 Sep 2024, 11:13 | 0.05 | 0.05 mg/l |
| 22 Aug 2024, 10:36 | 0.032 | 0.032 mg/l |
| 17 Jul 2024, 11:34 | 0.044 | 0.044 mg/l |
| 21 Jun 2024, 15:32 | 0.038 | 0.038 mg/l |
| 16 May 2024, 12:45 | 0.046 | 0.046 mg/l |
| 15 Apr 2024, 12:46 | <0.03 | below 0.03 mg/l (not detected above this) |
| 21 Mar 2024, 12:23 | <0.03 | below 0.03 mg/l (not detected above this) |
| 19 Feb 2024, 11:44 | 0.077 | 0.077 mg/l |
| 18 Jan 2024, 12:26 | 0.25 | 0.25 mg/l |
| 5 Dec 2023, 14:31 | 0.058 | 0.058 mg/l |
| 16 Nov 2023, 11:58 | 0.032 | 0.032 mg/l |
| 16 Oct 2023, 12:33 | 0.037 | 0.037 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
4.19 mg/l
Sampled 17 Sep 2026, 14 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:20 | 4.19 | 4.19 mg/l |
| 3 Aug 2026, 12:11 | 5.69 | 5.69 mg/l |
| 7 Jul 2026, 15:33 | 6.97 | 6.97 mg/l |
| 16 Jun 2026, 12:10 | 7.36 | 7.36 mg/l |
| 8 May 2026, 14:26 | 7.27 | 7.27 mg/l |
| 10 Apr 2026, 12:30 | 7.07 | 7.07 mg/l |
| 16 Dec 2025, 12:52 | 16 | 16 mg/l |
| 9 Dec 2025, 11:50 | 21 | 21 mg/l |
| 18 Nov 2025, 13:12 | 18 | 18 mg/l |
| 5 Nov 2025, 13:09 | 6.17 | 6.17 mg/l |
| 17 Mar 2025, 10:45 | 7.53 | 7.53 mg/l |
| 27 Feb 2025, 11:42 | 8.88 | 8.88 mg/l |
| 12 Feb 2025, 11:08 | 9.57 | 9.57 mg/l |
| 6 Dec 2024, 09:40 | 9.87 | 9.87 mg/l |
| 20 Nov 2024, 12:25 | 12 | 12 mg/l |
| 17 Oct 2024, 09:58 | 8.97 | 8.97 mg/l |
| 25 Sep 2024, 11:13 | 21.9 | 21.9 mg/l |
| 22 Aug 2024, 10:36 | 4.99 | 4.99 mg/l |
| 17 Jul 2024, 11:34 | 3.96 | 3.96 mg/l |
| 21 Jun 2024, 15:32 | 6.53 | 6.53 mg/l |
| 16 May 2024, 12:45 | 6.04 | 6.04 mg/l |
| 15 Apr 2024, 12:46 | 6.45 | 6.45 mg/l |
| 21 Mar 2024, 12:23 | 6.47 | 6.47 mg/l |
| 19 Feb 2024, 11:44 | 7.08 | 7.08 mg/l |
| 18 Jan 2024, 12:26 | 8.35 | 8.35 mg/l |
| 5 Dec 2023, 14:31 | 9.58 | 9.58 mg/l |
| 16 Nov 2023, 11:58 | 11 | 11 mg/l |
| 16 Oct 2023, 12:33 | 16 | 16 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.11 mg/l
Sampled 17 Sep 2026, 14 days ago · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:20 | 0.11 | 0.11 mg/l |
| 3 Aug 2026, 12:11 | 0.12 | 0.12 mg/l |
| 7 Jul 2026, 15:33 | 0.12 | 0.12 mg/l |
| 16 Jun 2026, 12:10 | 0.14 | 0.14 mg/l |
| 8 May 2026, 14:26 | 0.11 | 0.11 mg/l |
| 10 Apr 2026, 12:30 | 0.054 | 0.054 mg/l |
| 16 Dec 2025, 12:52 | 0.12 | 0.12 mg/l |
| 9 Dec 2025, 11:50 | 0.14 | 0.14 mg/l |
| 18 Nov 2025, 13:12 | 0.079 | 0.079 mg/l |
| 5 Nov 2025, 13:09 | 0.13 | 0.13 mg/l |
| 17 Mar 2025, 10:45 | 0.054 | 0.054 mg/l |
| 27 Feb 2025, 11:42 | 0.068 | 0.068 mg/l |
| 12 Feb 2025, 11:08 | 0.072 | 0.072 mg/l |
| 20 Nov 2024, 12:25 | 0.13 | 0.13 mg/l |
| 17 Oct 2024, 09:58 | 0.16 | 0.16 mg/l |
| 25 Sep 2024, 11:13 | 0.16 | 0.16 mg/l |
| 22 Aug 2024, 10:36 | 0.65 | 0.65 mg/l |
| 17 Jul 2024, 11:34 | 0.28 | 0.28 mg/l |
| 21 Jun 2024, 15:32 | 0.47 | 0.47 mg/l |
| 16 May 2024, 12:45 | 0.2 | 0.2 mg/l |
| 15 Apr 2024, 12:46 | 0.14 | 0.14 mg/l |
| 21 Mar 2024, 12:23 | 0.11 | 0.11 mg/l |
| 19 Feb 2024, 11:44 | 0.084 | 0.084 mg/l |
| 18 Jan 2024, 12:26 | 0.17 | 0.17 mg/l |
| 5 Dec 2023, 14:31 | 0.11 | 0.11 mg/l |
| 16 Nov 2023, 11:58 | 0.14 | 0.14 mg/l |
| 16 Oct 2023, 12:33 | 0.13 | 0.13 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
814 µS/cm
Sampled 17 Sep 2026, 14 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Sep 2026, 11:20 | 814 | 814 µS/cm |
| 3 Aug 2026, 12:11 | 890 | 890 µS/cm |
| 7 Jul 2026, 15:33 | 857 | 857 µS/cm |
| 16 Jun 2026, 12:10 | 797 | 797 µS/cm |
| 8 May 2026, 14:26 | 798 | 798 µS/cm |
| 10 Apr 2026, 12:30 | 777 | 777 µS/cm |
| 16 Dec 2025, 12:52 | 756 | 756 µS/cm |
| 9 Dec 2025, 11:50 | 581 | 581 µS/cm |
| 18 Nov 2025, 13:12 | 803 | 803 µS/cm |
| 5 Nov 2025, 13:09 | 825 | 825 µS/cm |
| 17 Mar 2025, 10:45 | 766 | 766 µS/cm |
| 27 Feb 2025, 11:42 | 494 | 494 µS/cm |
| 12 Feb 2025, 11:08 | 592 | 592 µS/cm |
| 6 Dec 2024, 09:40 | 429 | 429 µS/cm |
| 20 Nov 2024, 12:25 | 561 | 561 µS/cm |
| 17 Oct 2024, 09:58 | 604 | 604 µS/cm |
| 25 Sep 2024, 11:13 | 666 | 666 µS/cm |
| 22 Aug 2024, 10:36 | 819 | 819 µS/cm |
| 17 Jul 2024, 11:34 | 660 | 660 µS/cm |
| 21 Jun 2024, 15:32 | 806 | 806 µS/cm |
| 16 May 2024, 12:45 | 768 | 768 µS/cm |
| 15 Apr 2024, 12:46 | 729 | 729 µS/cm |
| 21 Mar 2024, 12:23 | 658 | 658 µS/cm |
| 19 Feb 2024, 11:44 | 491 | 491 µS/cm |
| 18 Jan 2024, 12:26 | 751 | 751 µS/cm |
| 5 Dec 2023, 14:31 | 473 | 473 µS/cm |
| 16 Nov 2023, 11:58 | 649 | 649 µS/cm |
| 16 Oct 2023, 12:33 | 699 | 699 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 | 28 | Oct 2023 – Sep 2026 | 85.2% 17 Sep 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 28 | Oct 2023 – Sep 2026 | 8.55 mg/l 17 Sep 2026 |
| Temperature of Water 0076 | River water | 28 | Oct 2023 – Sep 2026 | 15.1 °C 17 Sep 2026 |
| pH 0061 | River water | 28 | Oct 2023 – Sep 2026 | 7.82 17 Sep 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 28 | Oct 2023 – Sep 2026 | below 0.03 mg/l 17 Sep 2026 |
| Nitrate as N 0117 | River water | 28 | Oct 2023 – Sep 2026 | 4.19 mg/l 17 Sep 2026 |
| Orthophosphate, reactive as P 0180 | River water | 27 | Oct 2023 – Sep 2026 | 0.11 mg/l 17 Sep 2026 |
| Conductivity at 25 C 0077 | River water | 28 | Oct 2023 – Sep 2026 | 814 µS/cm 17 Sep 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 28 | Oct 2023 – Sep 2026 | 220 mg/l 17 Sep 2026 |
| Ammonia un-ionised as N 0119 | River water | 28 | Oct 2023 – Sep 2026 | below 0.00053 mg/l 17 Sep 2026 |
| BOD : 5 Day ATU 0085 | River water | 17 | Feb 2024 – Dec 2025 | 1.1 mg/l 16 Dec 2025 |
| Nitrite as N 0118 | River water | 28 | Oct 2023 – Sep 2026 | 0.0061 mg/l 17 Sep 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 28 | Oct 2023 – Sep 2026 | 4.2 mg/l 17 Sep 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.