Upstream of Marsh Lane, Aldingbourne Rife
EA name: U/S MARSH LN, ALDINGBOURNE RIFE (also listed as “UPSTREAM MARSH LANE, ALDINGBOURNE RIFE”)
Environment Agency sampling point SO-F0017661 · 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
- 16 Mar 2026, 12:477 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 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 492162, 106424As 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
- Not placedNo mapped watercourse within 500 m. The river map cannot say which watercourse this is.
- Next gauge downstream
- Not known
- Why it was sampled
- Monitoring (national agency policy) (28 samples)
5 visits found no water to sample (recorded as “No flow”).
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
82%
Sampled 16 Mar 2026, 7 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Mar 2026, 12:47 | 82 | 82% |
| 2 Mar 2026, 13:03 | 92.7 | 92.7% |
| 23 Feb 2026, 11:19 | 86.5 | 86.5% |
| 5 Feb 2026, 15:26 | 84.2 | 84.2% |
| 19 Jan 2026, 12:22 | 88 | 88% |
| 6 Jan 2026, 13:27 | 43 | 43% |
| 18 Dec 2025, 10:25 | 62.5 | 62.5% |
| 5 Dec 2025, 14:07 | 75 | 75% |
| 18 Nov 2025, 13:39 | 26.5 | 26.5% |
| 4 Mar 2025, 09:23 | 90 | 90% |
| 14 Feb 2025, 11:42 | 89.5 | 89.5% |
| 31 Jan 2025, 14:55 | 81.1 | 81.1% |
| 4 Dec 2024, 14:11 | 44.3 | 44.3% |
| 17 Jul 2024, 09:39 | 78.1 | 78.1% |
| 24 Jun 2024, 10:11 | 72.2 | 72.2% |
| 13 May 2024, 11:46 | 87.4 | 87.4% |
| 15 Apr 2024, 11:34 | 91.2 | 91.2% |
| 19 Mar 2024, 09:21 | 85.2 | 85.2% |
| 20 Feb 2024, 12:02 | 85.5 | 85.5% |
| 15 Jan 2024, 13:00 | 83.7 | 83.7% |
| 11 Dec 2023, 10:52 | 83.5 | 83.5% |
| 20 Nov 2023, 11:04 | 76.1 | 76.1% |
| 17 Oct 2023, 15:22 | 22.5 | 22.5% |
Dissolved oxygen
as O2 · code 9924 · mg/l
8.92 mg/l
Sampled 16 Mar 2026, 7 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Mar 2026, 12:47 | 8.92 | 8.92 mg/l |
| 2 Mar 2026, 13:03 | 9.97 | 9.97 mg/l |
| 23 Feb 2026, 11:19 | 9.43 | 9.43 mg/l |
| 5 Feb 2026, 15:26 | 9.37 | 9.37 mg/l |
| 19 Jan 2026, 12:22 | 10.2 | 10.2 mg/l |
| 6 Jan 2026, 13:27 | 5.31 | 5.31 mg/l |
| 18 Dec 2025, 10:25 | 7.01 | 7.01 mg/l |
| 5 Dec 2025, 14:07 | 8.68 | 8.68 mg/l |
| 18 Nov 2025, 13:39 | 2.93 | 2.93 mg/l |
| 4 Mar 2025, 09:23 | 10.5 | 10.5 mg/l |
| 14 Feb 2025, 11:42 | 10.2 | 10.2 mg/l |
| 31 Jan 2025, 14:55 | 9.09 | 9.09 mg/l |
| 4 Dec 2024, 14:11 | 4.97 | 4.97 mg/l |
| 17 Jul 2024, 09:39 | 8.12 | 8.12 mg/l |
| 24 Jun 2024, 10:11 | 7.45 | 7.45 mg/l |
| 13 May 2024, 11:46 | 9.27 | 9.27 mg/l |
| 15 Apr 2024, 11:34 | 9.9 | 9.9 mg/l |
| 19 Mar 2024, 09:21 | 9.27 | 9.27 mg/l |
| 20 Feb 2024, 12:02 | 9.36 | 9.36 mg/l |
| 15 Jan 2024, 13:00 | 9.23 | 9.23 mg/l |
| 11 Dec 2023, 10:52 | 9.08 | 9.08 mg/l |
| 20 Nov 2023, 11:04 | 8.16 | 8.16 mg/l |
| 17 Oct 2023, 15:22 | 2.44 | 2.44 mg/l |
Water temperature
code 0076 · °C
11.5 °C
Sampled 16 Mar 2026, 7 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Mar 2026, 12:47 | 11.5 | 11.5 °C |
| 2 Mar 2026, 13:03 | 12 | 12 °C |
| 23 Feb 2026, 11:19 | 11.4 | 11.4 °C |
| 5 Feb 2026, 15:26 | 10.5 | 10.5 °C |
| 19 Jan 2026, 12:22 | 8.8 | 8.8 °C |
| 6 Jan 2026, 13:27 | 6.3 | 6.3 °C |
| 18 Dec 2025, 10:25 | 10.2 | 10.2 °C |
| 5 Dec 2025, 14:07 | 8.9 | 8.9 °C |
| 18 Nov 2025, 13:39 | 10.8 | 10.8 °C |
| 4 Mar 2025, 09:23 | 8.5 | 8.5 °C |
| 14 Feb 2025, 11:42 | 9.4 | 9.4 °C |
| 31 Jan 2025, 14:55 | 10.2 | 10.2 °C |
| 4 Dec 2024, 14:11 | 10.2 | 10.2 °C |
| 17 Jul 2024, 09:39 | 13.5 | 13.5 °C |
| 24 Jun 2024, 10:11 | 13.8 | 13.8 °C |
| 13 May 2024, 11:46 | 12.6 | 12.6 °C |
| 15 Apr 2024, 11:34 | 11.6 | 11.6 °C |
| 19 Mar 2024, 09:21 | 11.5 | 11.5 °C |
| 20 Feb 2024, 12:02 | 11.2 | 11.2 °C |
| 15 Jan 2024, 13:00 | 10.9 | 10.9 °C |
| 11 Dec 2023, 10:52 | 11.5 | 11.5 °C |
| 20 Nov 2023, 11:04 | 12.1 | 12.1 °C |
| 17 Oct 2023, 15:22 | 11.7 | 11.7 °C |
pH
code 0061
7.22
Sampled 16 Mar 2026, 7 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Mar 2026, 12:47 | 7.22 | 7.22 |
| 2 Mar 2026, 13:03 | 7.18 | 7.18 |
| 23 Feb 2026, 11:19 | 7.2 | 7.2 |
| 5 Feb 2026, 15:26 | 7.43 | 7.43 |
| 19 Jan 2026, 12:22 | 7.3 | 7.3 |
| 6 Jan 2026, 13:27 | 7.03 | 7.03 |
| 18 Dec 2025, 10:25 | 7.22 | 7.22 |
| 5 Dec 2025, 14:07 | 7.33 | 7.33 |
| 18 Nov 2025, 13:39 | 7.11 | 7.11 |
| 4 Mar 2025, 09:23 | 7.41 | 7.41 |
| 14 Feb 2025, 11:42 | 7.36 | 7.36 |
| 31 Jan 2025, 14:55 | 7.2 | 7.2 |
| 4 Dec 2024, 14:11 | 7.04 | 7.04 |
| 17 Jul 2024, 09:39 | 7.45 | 7.45 |
| 24 Jun 2024, 10:11 | 7.13 | 7.13 |
| 13 May 2024, 11:46 | 7.17 | 7.17 |
| 15 Apr 2024, 11:34 | 7.17 | 7.17 |
| 19 Mar 2024, 09:21 | 7.09 | 7.09 |
| 20 Feb 2024, 12:02 | 7.08 | 7.08 |
| 15 Jan 2024, 13:00 | 7.15 | 7.15 |
| 11 Dec 2023, 10:52 | 7.3 | 7.3 |
| 20 Nov 2023, 11:04 | 7.07 | 7.07 |
| 17 Oct 2023, 15:22 | 6.94 | 6.94 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.03 mg/l (not detected above this)
Sampled 16 Mar 2026, 7 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Mar 2026, 12:47 | <0.03 | below 0.03 mg/l (not detected above this) |
| 2 Mar 2026, 13:03 | <0.03 | below 0.03 mg/l (not detected above this) |
| 23 Feb 2026, 11:19 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Feb 2026, 15:26 | <0.03 | below 0.03 mg/l (not detected above this) |
| 19 Jan 2026, 12:22 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Jan 2026, 13:27 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Dec 2025, 10:25 | 0.047 | 0.047 mg/l |
| 5 Dec 2025, 14:07 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Nov 2025, 13:39 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Mar 2025, 09:23 | <0.03 | below 0.03 mg/l (not detected above this) |
| 14 Feb 2025, 11:42 | <0.03 | below 0.03 mg/l (not detected above this) |
| 31 Jan 2025, 14:55 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Dec 2024, 14:11 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Jul 2024, 09:39 | <0.03 | below 0.03 mg/l (not detected above this) |
| 24 Jun 2024, 10:11 | <0.03 | below 0.03 mg/l (not detected above this) |
| 13 May 2024, 11:46 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Apr 2024, 11:34 | <0.03 | below 0.03 mg/l (not detected above this) |
| 19 Mar 2024, 09:21 | <0.03 | below 0.03 mg/l (not detected above this) |
| 20 Feb 2024, 12:02 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Jan 2024, 13:00 | <0.03 | below 0.03 mg/l (not detected above this) |
| 11 Dec 2023, 10:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 20 Nov 2023, 11:04 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Oct 2023, 15:22 | <0.03 | below 0.03 mg/l (not detected above this) |
Nitrate
as nitrogen (N) · code 0117 · mg/l
12 mg/l
Sampled 16 Mar 2026, 7 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Mar 2026, 12:47 | 12 | 12 mg/l |
| 2 Mar 2026, 13:03 | 12 | 12 mg/l |
| 23 Feb 2026, 11:19 | 12 | 12 mg/l |
| 5 Feb 2026, 15:26 | 12 | 12 mg/l |
| 19 Jan 2026, 12:22 | 5.59 | 5.59 mg/l |
| 6 Jan 2026, 13:27 | 4.6 | 4.6 mg/l |
| 18 Dec 2025, 10:25 | 2.69 | 2.69 mg/l |
| 5 Dec 2025, 14:07 | 5.29 | 5.29 mg/l |
| 18 Nov 2025, 13:39 | 3.39 | 3.39 mg/l |
| 4 Mar 2025, 09:23 | 13 | 13 mg/l |
| 14 Feb 2025, 11:42 | 13 | 13 mg/l |
| 31 Jan 2025, 14:55 | 12 | 12 mg/l |
| 4 Dec 2024, 14:11 | 5.7 | 5.7 mg/l |
| 17 Jul 2024, 09:39 | 12 | 12 mg/l |
| 24 Jun 2024, 10:11 | 12 | 12 mg/l |
| 13 May 2024, 11:46 | 12 | 12 mg/l |
| 15 Apr 2024, 11:34 | 11 | 11 mg/l |
| 19 Mar 2024, 09:21 | 12 | 12 mg/l |
| 20 Feb 2024, 12:02 | 12 | 12 mg/l |
| 15 Jan 2024, 13:00 | 12 | 12 mg/l |
| 11 Dec 2023, 10:52 | 12 | 12 mg/l |
| 20 Nov 2023, 11:04 | 11 | 11 mg/l |
| 17 Oct 2023, 15:22 | 4.36 | 4.36 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.05 mg/l
Sampled 16 Mar 2026, 7 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Mar 2026, 12:47 | 0.05 | 0.05 mg/l |
| 2 Mar 2026, 13:03 | 0.049 | 0.049 mg/l |
| 23 Feb 2026, 11:19 | 0.062 | 0.062 mg/l |
| 5 Feb 2026, 15:26 | 0.065 | 0.065 mg/l |
| 19 Jan 2026, 12:22 | 0.017 | 0.017 mg/l |
| 6 Jan 2026, 13:27 | 0.017 | 0.017 mg/l |
| 18 Dec 2025, 10:25 | 0.029 | 0.029 mg/l |
| 5 Dec 2025, 14:07 | 0.044 | 0.044 mg/l |
| 18 Nov 2025, 13:39 | 0.027 | 0.027 mg/l |
| 4 Mar 2025, 09:23 | 0.02 | 0.02 mg/l |
| 14 Feb 2025, 11:42 | 0.046 | 0.046 mg/l |
| 31 Jan 2025, 14:55 | 0.057 | 0.057 mg/l |
| 4 Dec 2024, 14:11 | 0.03 | 0.03 mg/l |
| 17 Jul 2024, 09:39 | 0.033 | 0.033 mg/l |
| 24 Jun 2024, 10:11 | 0.027 | 0.027 mg/l |
| 13 May 2024, 11:46 | 0.045 | 0.045 mg/l |
| 15 Apr 2024, 11:34 | 0.05 | 0.05 mg/l |
| 19 Mar 2024, 09:21 | 0.061 | 0.061 mg/l |
| 20 Feb 2024, 12:02 | 0.051 | 0.051 mg/l |
| 15 Jan 2024, 13:00 | 0.059 | 0.059 mg/l |
| 11 Dec 2023, 10:52 | 0.051 | 0.051 mg/l |
| 20 Nov 2023, 11:04 | 0.061 | 0.061 mg/l |
| 17 Oct 2023, 15:22 | 0.04 | 0.04 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
822 µS/cm
Sampled 16 Mar 2026, 7 months ago · 23 results banked
Every result (23)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Mar 2026, 12:47 | 822 | 822 µS/cm |
| 2 Mar 2026, 13:03 | 816 | 816 µS/cm |
| 23 Feb 2026, 11:19 | 818 | 818 µS/cm |
| 5 Feb 2026, 15:26 | 789 | 789 µS/cm |
| 19 Jan 2026, 12:22 | 749 | 749 µS/cm |
| 6 Jan 2026, 13:27 | 733 | 733 µS/cm |
| 18 Dec 2025, 10:25 | 715 | 715 µS/cm |
| 5 Dec 2025, 14:07 | 795 | 795 µS/cm |
| 18 Nov 2025, 13:39 | 799 | 799 µS/cm |
| 4 Mar 2025, 09:23 | 821 | 821 µS/cm |
| 14 Feb 2025, 11:42 | 834 | 834 µS/cm |
| 31 Jan 2025, 14:55 | 791 | 791 µS/cm |
| 4 Dec 2024, 14:11 | 804 | 804 µS/cm |
| 17 Jul 2024, 09:39 | 838 | 838 µS/cm |
| 24 Jun 2024, 10:11 | 838 | 838 µS/cm |
| 13 May 2024, 11:46 | 836 | 836 µS/cm |
| 15 Apr 2024, 11:34 | 835 | 835 µS/cm |
| 19 Mar 2024, 09:21 | 829 | 829 µS/cm |
| 20 Feb 2024, 12:02 | 814 | 814 µS/cm |
| 15 Jan 2024, 13:00 | 822 | 822 µS/cm |
| 11 Dec 2023, 10:52 | 822 | 822 µS/cm |
| 20 Nov 2023, 11:04 | 794 | 794 µS/cm |
| 17 Oct 2023, 15:22 | 820 | 820 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 | 23 | Oct 2023 – Mar 2026 | 82% 16 Mar 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 23 | Oct 2023 – Mar 2026 | 8.92 mg/l 16 Mar 2026 |
| Temperature of Water 0076 | River water | 23 | Oct 2023 – Mar 2026 | 11.5 °C 16 Mar 2026 |
| pH 0061 | River water | 23 | Oct 2023 – Mar 2026 | 7.22 16 Mar 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 23 | Oct 2023 – Mar 2026 | below 0.03 mg/l 16 Mar 2026 |
| Nitrate as N 0117 | River water | 23 | Oct 2023 – Mar 2026 | 12 mg/l 16 Mar 2026 |
| Orthophosphate, reactive as P 0180 | River water | 23 | Oct 2023 – Mar 2026 | 0.05 mg/l 16 Mar 2026 |
| Conductivity at 25 C 0077 | River water | 23 | Oct 2023 – Mar 2026 | 822 µS/cm 16 Mar 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 23 | Oct 2023 – Mar 2026 | 300 mg/l 16 Mar 2026 |
| Ammonia un-ionised as N 0119 | River water | 23 | Oct 2023 – Mar 2026 | below 0.0001 mg/l 16 Mar 2026 |
| BOD : 5 Day ATU 0085 | River water | 19 | Feb 2024 – Mar 2026 | 1.3 mg/l 16 Mar 2026 |
| Nitrite as N 0118 | River water | 23 | Oct 2023 – Mar 2026 | below 0.004 mg/l 16 Mar 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 23 | Oct 2023 – Mar 2026 | 12 mg/l 16 Mar 2026 |
| No flow /No sample 7668 | River water | 5 | Aug 2024 – Nov 2025 | No flow/discharge at sampling point 3 Nov 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.