Lyde Brook Norton St Phillip
EA name: LYDE BROOK NORTON ST PHILLIP (also listed as “UPSTREAM SEWAGE WORKS NORTON ST PHILLIP”)
Environment Agency sampling point SW-A3210104 · 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, 10:555 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
- 32 since 31 Jan 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 377050, 156050As published, to the nearest 10 m. Open in a map
- River, by its own name
- Its name does not give one
- River, by the map
- Not placedNearest line is 288 m away and its name does not agree. The river map cannot say which watercourse this is.
- Next gauge downstream
- Not known
- Why it was sampled
- Monitoring (national agency policy) (32 samples)
2 visits found no water to sample (recorded as “No flow”).
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
103.7%
Sampled 13 May 2026, 5 months ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:55 | 103.7 | 103.7% |
| 16 Apr 2026, 11:29 | 103.1 | 103.1% |
| 27 Mar 2026, 12:59 | 102.6 | 102.6% |
| 6 Feb 2026, 10:21 | 100.4 | 100.4% |
| 6 Jan 2026, 10:08 | 98.2 | 98.2% |
| 15 Dec 2025, 11:38 | 102.1 | 102.1% |
| 14 Nov 2025, 11:56 | 96.4 | 96.4% |
| 6 Oct 2025, 11:10 | 93.4 | 93.4% |
| 12 Sep 2025, 10:01 | 93.1 | 93.1% |
| 5 Aug 2025, 09:23 | 93.8 | 93.8% |
| 24 Jul 2025, 12:12 | 101.3 | 101.3% |
| 30 Jun 2025, 09:40 | 97.3 | 97.3% |
| 30 Apr 2025, 11:25 | 109.2 | 109.2% |
| 17 Mar 2025, 12:41 | 99.9 | 99.9% |
| 5 Feb 2025, 13:52 | 102.2 | 102.2% |
| 31 Jan 2025, 10:27 | 100 | 100% |
| 4 Dec 2024, 10:13 | 99.2 | 99.2% |
| 19 Nov 2024, 13:37 | 102 | 102% |
| 17 Oct 2024, 13:28 | 100.4 | 100.4% |
| 16 Sep 2024, 10:40 | 101.7 | 101.7% |
| 29 Aug 2024, 10:28 | 99.5 | 99.5% |
| 17 Jul 2024, 11:38 | 108.3 | 108.3% |
| 26 Jun 2024, 12:27 | 109.7 | 109.7% |
| 14 May 2024, 13:11 | 101.5 | 101.5% |
| 16 Apr 2024, 10:59 | 102.1 | 102.1% |
| 19 Mar 2024, 11:13 | 101.9 | 101.9% |
| 22 Feb 2024, 12:05 | 100.5 | 100.5% |
| 31 Jan 2024, 11:38 | 98.3 | 98.3% |
Dissolved oxygen
as O2 · code 9924 · mg/l
11.4 mg/l
Sampled 13 May 2026, 5 months ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:55 | 11.4 | 11.4 mg/l |
| 16 Apr 2026, 11:29 | 11.1 | 11.1 mg/l |
| 27 Mar 2026, 12:59 | 11.3 | 11.3 mg/l |
| 6 Feb 2026, 10:21 | 11.6 | 11.6 mg/l |
| 6 Jan 2026, 10:08 | 12.4 | 12.4 mg/l |
| 15 Dec 2025, 11:38 | 11.3 | 11.3 mg/l |
| 14 Nov 2025, 11:56 | 10.2 | 10.2 mg/l |
| 6 Oct 2025, 11:10 | 10.3 | 10.3 mg/l |
| 12 Sep 2025, 10:01 | 10.1 | 10.1 mg/l |
| 5 Aug 2025, 09:23 | 9.58 | 9.58 mg/l |
| 24 Jul 2025, 12:12 | 9.68 | 9.68 mg/l |
| 30 Jun 2025, 09:40 | 9.42 | 9.42 mg/l |
| 30 Apr 2025, 11:25 | 11.3 | 11.3 mg/l |
| 17 Mar 2025, 12:41 | 11.7 | 11.7 mg/l |
| 5 Feb 2025, 13:52 | 12 | 12 mg/l |
| 31 Jan 2025, 10:27 | 12 | 12 mg/l |
| 4 Dec 2024, 10:13 | 11.8 | 11.8 mg/l |
| 19 Nov 2024, 13:37 | 11.7 | 11.7 mg/l |
| 17 Oct 2024, 13:28 | 10.5 | 10.5 mg/l |
| 16 Sep 2024, 10:40 | 10.9 | 10.9 mg/l |
| 29 Aug 2024, 10:28 | 10.3 | 10.3 mg/l |
| 17 Jul 2024, 11:38 | 10.8 | 10.8 mg/l |
| 26 Jun 2024, 12:27 | 10.1 | 10.1 mg/l |
| 14 May 2024, 13:11 | 10.6 | 10.6 mg/l |
| 16 Apr 2024, 10:59 | 11.4 | 11.4 mg/l |
| 19 Mar 2024, 11:13 | 11.3 | 11.3 mg/l |
| 22 Feb 2024, 12:05 | 11.5 | 11.5 mg/l |
| 31 Jan 2024, 11:38 | 11.4 | 11.4 mg/l |
Water temperature
code 0076 · °C
11 °C
Sampled 13 May 2026, 5 months ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:55 | 11 | 11 °C |
| 16 Apr 2026, 11:29 | 12 | 12 °C |
| 27 Mar 2026, 12:59 | 10.8 | 10.8 °C |
| 6 Feb 2026, 10:21 | 8.8 | 8.8 °C |
| 6 Jan 2026, 10:08 | 5.4 | 5.4 °C |
| 15 Dec 2025, 11:38 | 10.7 | 10.7 °C |
| 14 Nov 2025, 11:56 | 12.6 | 12.6 °C |
| 6 Oct 2025, 11:10 | 11.1 | 11.1 °C |
| 12 Sep 2025, 10:01 | 11.7 | 11.7 °C |
| 5 Aug 2025, 09:23 | 14.3 | 14.3 °C |
| 24 Jul 2025, 12:12 | 17.4 | 17.4 °C |
| 30 Jun 2025, 09:40 | 16.8 | 16.8 °C |
| 30 Apr 2025, 11:25 | 13.6 | 13.6 °C |
| 17 Mar 2025, 12:41 | 8.5 | 8.5 °C |
| 5 Feb 2025, 13:52 | 8.3 | 8.3 °C |
| 31 Jan 2025, 10:27 | 7.4 | 7.4 °C |
| 4 Dec 2024, 10:13 | 7.8 | 7.8 °C |
| 19 Nov 2024, 13:37 | 9.3 | 9.3 °C |
| 17 Oct 2024, 13:28 | 13.1 | 13.1 °C |
| 16 Sep 2024, 10:40 | 12.3 | 12.3 °C |
| 29 Aug 2024, 10:28 | 13.8 | 13.8 °C |
| 17 Jul 2024, 11:38 | 15.4 | 15.4 °C |
| 26 Jun 2024, 12:27 | 19.1 | 19.1 °C |
| 14 May 2024, 13:11 | 13.1 | 13.1 °C |
| 16 Apr 2024, 10:59 | 10.4 | 10.4 °C |
| 19 Mar 2024, 11:13 | 10.7 | 10.7 °C |
| 22 Feb 2024, 12:05 | 9.3 | 9.3 °C |
| 31 Jan 2024, 11:38 | 8.9 | 8.9 °C |
pH
code 0061
8.14
Sampled 13 May 2026, 5 months ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:55 | 8.14 | 8.14 |
| 16 Apr 2026, 11:29 | 8.19 | 8.19 |
| 27 Mar 2026, 12:59 | 8.1 | 8.1 |
| 6 Feb 2026, 10:21 | 8.35 | 8.35 |
| 6 Jan 2026, 10:08 | 8.15 | 8.15 |
| 15 Dec 2025, 11:38 | 8.2 | 8.2 |
| 14 Nov 2025, 11:56 | 8.27 | 8.27 |
| 6 Oct 2025, 11:10 | 8.24 | 8.24 |
| 12 Sep 2025, 10:01 | 8.15 | 8.15 |
| 5 Aug 2025, 09:23 | 8.21 | 8.21 |
| 24 Jul 2025, 12:12 | 8.24 | 8.24 |
| 30 Jun 2025, 09:40 | 8.16 | 8.16 |
| 30 Apr 2025, 11:25 | 8.19 | 8.19 |
| 17 Mar 2025, 12:41 | 8.25 | 8.25 |
| 5 Feb 2025, 13:52 | 8.18 | 8.18 |
| 31 Jan 2025, 10:27 | 8.27 | 8.27 |
| 4 Dec 2024, 10:13 | 8.22 | 8.22 |
| 19 Nov 2024, 13:37 | 8.35 | 8.35 |
| 17 Oct 2024, 13:28 | 8.36 | 8.36 |
| 16 Sep 2024, 10:40 | 8.17 | 8.17 |
| 29 Aug 2024, 10:28 | 8.17 | 8.17 |
| 17 Jul 2024, 11:38 | 8.08 | 8.08 |
| 26 Jun 2024, 12:27 | 8.4 | 8.4 |
| 14 May 2024, 13:11 | 8.31 | 8.31 |
| 16 Apr 2024, 10:59 | 8.25 | 8.25 |
| 19 Mar 2024, 11:13 | 8.22 | 8.22 |
| 22 Feb 2024, 12:05 | 8.26 | 8.26 |
| 31 Jan 2024, 11:38 | 8.32 | 8.32 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.03 mg/l (not detected above this)
Sampled 13 May 2026, 5 months ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:55 | <0.03 | below 0.03 mg/l (not detected above this) |
| 16 Apr 2026, 11:29 | <0.03 | below 0.03 mg/l (not detected above this) |
| 27 Mar 2026, 12:59 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Feb 2026, 10:21 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Jan 2026, 10:08 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Dec 2025, 11:38 | <0.03 | below 0.03 mg/l (not detected above this) |
| 14 Nov 2025, 11:56 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Oct 2025, 11:10 | <0.03 | below 0.03 mg/l (not detected above this) |
| 12 Sep 2025, 10:01 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Aug 2025, 09:23 | <0.03 | below 0.03 mg/l (not detected above this) |
| 24 Jul 2025, 12:12 | <0.03 | below 0.03 mg/l (not detected above this) |
| 30 Jun 2025, 09:40 | <0.03 | below 0.03 mg/l (not detected above this) |
| 30 Apr 2025, 11:25 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Mar 2025, 12:41 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Feb 2025, 13:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 31 Jan 2025, 10:27 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Dec 2024, 10:13 | <0.03 | below 0.03 mg/l (not detected above this) |
| 19 Nov 2024, 13:37 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Oct 2024, 13:28 | <0.03 | below 0.03 mg/l (not detected above this) |
| 16 Sep 2024, 10:40 | <0.03 | below 0.03 mg/l (not detected above this) |
| 29 Aug 2024, 10:28 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Jul 2024, 11:38 | <0.03 | below 0.03 mg/l (not detected above this) |
| 26 Jun 2024, 12:27 | <0.03 | below 0.03 mg/l (not detected above this) |
| 14 May 2024, 13:11 | <0.03 | below 0.03 mg/l (not detected above this) |
| 16 Apr 2024, 10:59 | <0.03 | below 0.03 mg/l (not detected above this) |
| 19 Mar 2024, 11:13 | <0.03 | below 0.03 mg/l (not detected above this) |
| 22 Feb 2024, 12:05 | <0.03 | below 0.03 mg/l (not detected above this) |
| 31 Jan 2024, 11:38 | <0.03 | below 0.03 mg/l (not detected above this) |
Nitrate
as nitrogen (N) · code 0117 · mg/l
8.19 mg/l
Sampled 13 May 2026, 5 months ago · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:55 | 8.19 | 8.19 mg/l |
| 16 Apr 2026, 11:29 | 7.5 | 7.5 mg/l |
| 27 Mar 2026, 12:59 | 6.9 | 6.9 mg/l |
| 6 Feb 2026, 10:21 | 4.2 | 4.2 mg/l |
| 6 Jan 2026, 10:08 | 8.3 | 8.3 mg/l |
| 15 Dec 2025, 11:38 | 8.9 | 8.9 mg/l |
| 14 Nov 2025, 11:56 | 16 | 16 mg/l |
| 6 Oct 2025, 11:10 | 5.29 | 5.29 mg/l |
| 12 Sep 2025, 10:01 | 5.79 | 5.79 mg/l |
| 5 Aug 2025, 09:23 | 6.49 | 6.49 mg/l |
| 24 Jul 2025, 12:12 | 6.59 | 6.59 mg/l |
| 30 Jun 2025, 09:40 | 7.19 | 7.19 mg/l |
| 30 Apr 2025, 11:25 | 7.49 | 7.49 mg/l |
| 17 Mar 2025, 12:41 | 6.6 | 6.6 mg/l |
| 5 Feb 2025, 13:52 | 6.1 | 6.1 mg/l |
| 31 Jan 2025, 10:27 | 5.5 | 5.5 mg/l |
| 19 Nov 2024, 13:37 | 5.39 | 5.39 mg/l |
| 17 Oct 2024, 13:28 | 3.7 | 3.7 mg/l |
| 16 Sep 2024, 10:40 | 7.09 | 7.09 mg/l |
| 29 Aug 2024, 10:28 | 7.29 | 7.29 mg/l |
| 17 Jul 2024, 11:38 | 7.29 | 7.29 mg/l |
| 26 Jun 2024, 12:27 | 7.59 | 7.59 mg/l |
| 14 May 2024, 13:11 | 6.39 | 6.39 mg/l |
| 16 Apr 2024, 10:59 | 5.9 | 5.9 mg/l |
| 19 Mar 2024, 11:13 | 4.9 | 4.9 mg/l |
| 22 Feb 2024, 12:05 | 2.2 | 2.2 mg/l |
| 31 Jan 2024, 11:38 | 6.3 | 6.3 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
below 0.01 mg/l (not detected above this)
Sampled 13 May 2026, 5 months ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:55 | <0.01 | below 0.01 mg/l (not detected above this) |
| 16 Apr 2026, 11:29 | <0.01 | below 0.01 mg/l (not detected above this) |
| 27 Mar 2026, 12:59 | <0.01 | below 0.01 mg/l (not detected above this) |
| 6 Feb 2026, 10:21 | 0.038 | 0.038 mg/l |
| 6 Jan 2026, 10:08 | <0.01 | below 0.01 mg/l (not detected above this) |
| 15 Dec 2025, 11:38 | 0.02 | 0.02 mg/l |
| 14 Nov 2025, 11:56 | 0.044 | 0.044 mg/l |
| 6 Oct 2025, 11:10 | <0.01 | below 0.01 mg/l (not detected above this) |
| 12 Sep 2025, 10:01 | <0.01 | below 0.01 mg/l (not detected above this) |
| 5 Aug 2025, 09:23 | <0.01 | below 0.01 mg/l (not detected above this) |
| 24 Jul 2025, 12:12 | <0.01 | below 0.01 mg/l (not detected above this) |
| 30 Jun 2025, 09:40 | <0.01 | below 0.01 mg/l (not detected above this) |
| 30 Apr 2025, 11:25 | <0.01 | below 0.01 mg/l (not detected above this) |
| 17 Mar 2025, 12:41 | <0.01 | below 0.01 mg/l (not detected above this) |
| 5 Feb 2025, 13:52 | 0.011 | 0.011 mg/l |
| 31 Jan 2025, 10:27 | 0.022 | 0.022 mg/l |
| 4 Dec 2024, 10:13 | 0.016 | 0.016 mg/l |
| 19 Nov 2024, 13:37 | 0.051 | 0.051 mg/l |
| 17 Oct 2024, 13:28 | 0.077 | 0.077 mg/l |
| 16 Sep 2024, 10:40 | <0.01 | below 0.01 mg/l (not detected above this) |
| 29 Aug 2024, 10:28 | <0.01 | below 0.01 mg/l (not detected above this) |
| 17 Jul 2024, 11:38 | <0.01 | below 0.01 mg/l (not detected above this) |
| 26 Jun 2024, 12:27 | <0.01 | below 0.01 mg/l (not detected above this) |
| 14 May 2024, 13:11 | <0.01 | below 0.01 mg/l (not detected above this) |
| 16 Apr 2024, 10:59 | <0.01 | below 0.01 mg/l (not detected above this) |
| 19 Mar 2024, 11:13 | <0.01 | below 0.01 mg/l (not detected above this) |
| 22 Feb 2024, 12:05 | 0.037 | 0.037 mg/l |
| 31 Jan 2024, 11:38 | <0.01 | below 0.01 mg/l (not detected above this) |
Conductivity
at 25 °C · code 0077 · µS/cm
555 µS/cm
Sampled 13 May 2026, 5 months ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 13 May 2026, 10:55 | 555 | 555 µS/cm |
| 16 Apr 2026, 11:29 | 552 | 552 µS/cm |
| 27 Mar 2026, 12:59 | 566 | 566 µS/cm |
| 6 Feb 2026, 10:21 | 526 | 526 µS/cm |
| 6 Jan 2026, 10:08 | 623 | 623 µS/cm |
| 15 Dec 2025, 11:38 | 616 | 616 µS/cm |
| 14 Nov 2025, 11:56 | 640 | 640 µS/cm |
| 6 Oct 2025, 11:10 | 576 | 576 µS/cm |
| 12 Sep 2025, 10:01 | 511 | 511 µS/cm |
| 5 Aug 2025, 09:23 | 494 | 494 µS/cm |
| 24 Jul 2025, 12:12 | 491 | 491 µS/cm |
| 30 Jun 2025, 09:40 | 527 | 527 µS/cm |
| 30 Apr 2025, 11:25 | 544 | 544 µS/cm |
| 17 Mar 2025, 12:41 | 568 | 568 µS/cm |
| 5 Feb 2025, 13:52 | 605 | 605 µS/cm |
| 31 Jan 2025, 10:27 | 665 | 665 µS/cm |
| 4 Dec 2024, 10:13 | 608 | 608 µS/cm |
| 19 Nov 2024, 13:37 | 540 | 540 µS/cm |
| 17 Oct 2024, 13:28 | 538 | 538 µS/cm |
| 16 Sep 2024, 10:40 | 543 | 543 µS/cm |
| 29 Aug 2024, 10:28 | 518 | 518 µS/cm |
| 17 Jul 2024, 11:38 | 524 | 524 µS/cm |
| 26 Jun 2024, 12:27 | 573 | 573 µS/cm |
| 14 May 2024, 13:11 | 573 | 573 µS/cm |
| 16 Apr 2024, 10:59 | 610 | 610 µS/cm |
| 19 Mar 2024, 11:13 | 598 | 598 µS/cm |
| 22 Feb 2024, 12:05 | 403 | 403 µS/cm |
| 31 Jan 2024, 11:38 | 625 | 625 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 | 28 | Jan 2024 – May 2026 | 103.7% 13 May 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 28 | Jan 2024 – May 2026 | 11.4 mg/l 13 May 2026 |
| Temperature of Water 0076 | River water | 28 | Jan 2024 – May 2026 | 11 °C 13 May 2026 |
| pH 0061 | River water | 28 | Jan 2024 – May 2026 | 8.14 13 May 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 28 | Jan 2024 – May 2026 | below 0.03 mg/l 13 May 2026 |
| Nitrate as N 0117 | River water | 27 | Jan 2024 – May 2026 | 8.19 mg/l 13 May 2026 |
| Orthophosphate, reactive as P 0180 | River water | 28 | Jan 2024 – May 2026 | below 0.01 mg/l 13 May 2026 |
| Conductivity at 25 C 0077 | River water | 28 | Jan 2024 – May 2026 | 555 µS/cm 13 May 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 28 | Jan 2024 – May 2026 | 230 mg/l 13 May 2026 |
| Ammonia un-ionised as N 0119 | River water | 28 | Jan 2024 – May 2026 | below 0.00059 mg/l 13 May 2026 |
| BOD : 5 Day ATU 0085 | River water | 19 | Feb 2024 – May 2026 | 1.2 mg/l 13 May 2026 |
| Nitrite as N 0118 | River water | 28 | Jan 2024 – May 2026 | 0.0051 mg/l 13 May 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 27 | Jan 2024 – May 2026 | 8.2 mg/l 13 May 2026 |
| No flow /No sample 7668 | River water | 2 | May 2025 – May 2025 | No flow/discharge at sampling point 27 May 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.