Lopen B Summer Lane
EA name: LOPEN B SUMMER LANE
Environment Agency sampling point SW-E3120200 · 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
- 21 May 2026, 09:254 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
- 29 since 23 Jul 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 342100, 113700As 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) (29 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
93.4%
Sampled 21 May 2026, 4 months ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 21 May 2026, 09:25 | 93.4 | 93.4% |
| 13 May 2026, 12:04 | 94.8 | 94.8% |
| 15 Apr 2026, 09:22 | 94.6 | 94.6% |
| 25 Mar 2026, 13:42 | 94.2 | 94.2% |
| 5 Mar 2026, 10:21 | 95.2 | 95.2% |
| 23 Feb 2026, 13:07 | 92.6 | 92.6% |
| 4 Feb 2026, 09:40 | 93.7 | 93.7% |
| 20 Jan 2026, 08:52 | 93.4 | 93.4% |
| 7 Jan 2026, 11:21 | 95 | 95% |
| 16 Dec 2025, 10:18 | 87.6 | 87.6% |
| 3 Dec 2025, 12:43 | 90.5 | 90.5% |
| 24 Nov 2025, 13:40 | 89.1 | 89.1% |
| 5 Nov 2025, 13:30 | 84.7 | 84.7% |
| 1 Oct 2025, 11:50 | 91.4 | 91.4% |
| 16 Sep 2025, 11:42 | 90.6 | 90.6% |
| 4 Aug 2025, 12:58 | 90.1 | 90.1% |
| 28 Jul 2025, 13:19 | 92.3 | 92.3% |
| 6 Jun 2025, 13:57 | 94 | 94% |
| 29 May 2025, 14:27 | 93.6 | 93.6% |
| 10 Apr 2025, 12:08 | 96.7 | 96.7% |
| 27 Mar 2025, 13:03 | 98.2 | 98.2% |
| 11 Feb 2025, 10:56 | 93.1 | 93.1% |
| 28 Jan 2025, 09:52 | 88.7 | 88.7% |
| 3 Dec 2024, 13:03 | 92 | 92% |
| 18 Nov 2024, 10:22 | 88.9 | 88.9% |
| 18 Oct 2024, 16:19 | 89.7 | 89.7% |
| 24 Sep 2024, 13:15 | 90.6 | 90.6% |
| 21 Aug 2024, 08:46 | 91.9 | 91.9% |
| 23 Jul 2024, 10:06 | 89.8 | 89.8% |
Dissolved oxygen
as O2 · code 9924 · mg/l
9.88 mg/l
Sampled 21 May 2026, 4 months ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 21 May 2026, 09:25 | 9.88 | 9.88 mg/l |
| 13 May 2026, 12:04 | 10.5 | 10.5 mg/l |
| 15 Apr 2026, 09:22 | 10.3 | 10.3 mg/l |
| 25 Mar 2026, 13:42 | 10.9 | 10.9 mg/l |
| 5 Mar 2026, 10:21 | 11 | 11 mg/l |
| 23 Feb 2026, 13:07 | 10.5 | 10.5 mg/l |
| 4 Feb 2026, 09:40 | 11.1 | 11.1 mg/l |
| 20 Jan 2026, 08:52 | 11.2 | 11.2 mg/l |
| 7 Jan 2026, 11:21 | 11.8 | 11.8 mg/l |
| 16 Dec 2025, 10:18 | 9.96 | 9.96 mg/l |
| 3 Dec 2025, 12:43 | 10.5 | 10.5 mg/l |
| 24 Nov 2025, 13:40 | 10.3 | 10.3 mg/l |
| 5 Nov 2025, 13:30 | 8.82 | 8.82 mg/l |
| 1 Oct 2025, 11:50 | 9.96 | 9.96 mg/l |
| 16 Sep 2025, 11:42 | 9.48 | 9.48 mg/l |
| 4 Aug 2025, 12:58 | 8.76 | 8.76 mg/l |
| 28 Jul 2025, 13:19 | 9.41 | 9.41 mg/l |
| 6 Jun 2025, 13:57 | 9.81 | 9.81 mg/l |
| 29 May 2025, 14:27 | 9.29 | 9.29 mg/l |
| 10 Apr 2025, 12:08 | 10.9 | 10.9 mg/l |
| 27 Mar 2025, 13:03 | 10.9 | 10.9 mg/l |
| 11 Feb 2025, 10:56 | 11.3 | 11.3 mg/l |
| 28 Jan 2025, 09:52 | 10.6 | 10.6 mg/l |
| 3 Dec 2024, 13:03 | 10.6 | 10.6 mg/l |
| 18 Nov 2024, 10:22 | 9.97 | 9.97 mg/l |
| 18 Oct 2024, 16:19 | 9.41 | 9.41 mg/l |
| 24 Sep 2024, 13:15 | 9.38 | 9.38 mg/l |
| 21 Aug 2024, 08:46 | 9.64 | 9.64 mg/l |
| 23 Jul 2024, 10:06 | 9.07 | 9.07 mg/l |
Water temperature
code 0076 · °C
12.7 °C
Sampled 21 May 2026, 4 months ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 21 May 2026, 09:25 | 12.7 | 12.7 °C |
| 13 May 2026, 12:04 | 10.9 | 10.9 °C |
| 15 Apr 2026, 09:22 | 11.4 | 11.4 °C |
| 25 Mar 2026, 13:42 | 8.9 | 8.9 °C |
| 5 Mar 2026, 10:21 | 8.8 | 8.8 °C |
| 23 Feb 2026, 13:07 | 9.8 | 9.8 °C |
| 4 Feb 2026, 09:40 | 8.1 | 8.1 °C |
| 20 Jan 2026, 08:52 | 7.6 | 7.6 °C |
| 7 Jan 2026, 11:21 | 6.1 | 6.1 °C |
| 16 Dec 2025, 10:18 | 9.6 | 9.6 °C |
| 3 Dec 2025, 12:43 | 8.6 | 8.6 °C |
| 24 Nov 2025, 13:40 | 8.8 | 8.8 °C |
| 5 Nov 2025, 13:30 | 13.4 | 13.4 °C |
| 1 Oct 2025, 11:50 | 11.4 | 11.4 °C |
| 16 Sep 2025, 11:42 | 13.2 | 13.2 °C |
| 4 Aug 2025, 12:58 | 16.6 | 16.6 °C |
| 28 Jul 2025, 13:19 | 14.4 | 14.4 °C |
| 6 Jun 2025, 13:57 | 13.3 | 13.3 °C |
| 29 May 2025, 14:27 | 15.6 | 15.6 °C |
| 10 Apr 2025, 12:08 | 9.9 | 9.9 °C |
| 27 Mar 2025, 13:03 | 10.5 | 10.5 °C |
| 11 Feb 2025, 10:56 | 6.9 | 6.9 °C |
| 28 Jan 2025, 09:52 | 7.4 | 7.4 °C |
| 3 Dec 2024, 13:03 | 9.2 | 9.2 °C |
| 18 Nov 2024, 10:22 | 10.2 | 10.2 °C |
| 18 Oct 2024, 16:19 | 13.1 | 13.1 °C |
| 24 Sep 2024, 13:15 | 13.7 | 13.7 °C |
| 21 Aug 2024, 08:46 | 13.1 | 13.1 °C |
| 23 Jul 2024, 10:06 | 14.8 | 14.8 °C |
pH
code 0061
8.08
Sampled 21 May 2026, 4 months ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 21 May 2026, 09:25 | 8.08 | 8.08 |
| 13 May 2026, 12:04 | 8.25 | 8.25 |
| 15 Apr 2026, 09:22 | 8.15 | 8.15 |
| 25 Mar 2026, 13:42 | 8.1 | 8.1 |
| 5 Mar 2026, 10:21 | 7.9 | 7.9 |
| 23 Feb 2026, 13:07 | 7.97 | 7.97 |
| 4 Feb 2026, 09:40 | 8.01 | 8.01 |
| 20 Jan 2026, 08:52 | 7.77 | 7.77 |
| 7 Jan 2026, 11:21 | 8.17 | 8.17 |
| 16 Dec 2025, 10:18 | 7.62 | 7.62 |
| 3 Dec 2025, 12:43 | 7.84 | 7.84 |
| 24 Nov 2025, 13:40 | 7.9 | 7.9 |
| 5 Nov 2025, 13:30 | 7.8 | 7.8 |
| 1 Oct 2025, 11:50 | 8.29 | 8.29 |
| 16 Sep 2025, 11:42 | 8.24 | 8.24 |
| 4 Aug 2025, 12:58 | 8.12 | 8.12 |
| 28 Jul 2025, 13:19 | 8.18 | 8.18 |
| 6 Jun 2025, 13:57 | 8.21 | 8.21 |
| 29 May 2025, 14:27 | 8.25 | 8.25 |
| 10 Apr 2025, 12:08 | 8.19 | 8.19 |
| 27 Mar 2025, 13:03 | 8.2 | 8.2 |
| 11 Feb 2025, 10:56 | 7.77 | 7.77 |
| 28 Jan 2025, 09:52 | 7.62 | 7.62 |
| 3 Dec 2024, 13:03 | 7.94 | 7.94 |
| 18 Nov 2024, 10:22 | 7.99 | 7.99 |
| 18 Oct 2024, 16:19 | 7.86 | 7.86 |
| 24 Sep 2024, 13:15 | 8 | 8 |
| 21 Aug 2024, 08:46 | 8.18 | 8.18 |
| 23 Jul 2024, 10:06 | 8.07 | 8.07 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.03 mg/l (not detected above this)
Sampled 21 May 2026, 4 months ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 21 May 2026, 09:25 | <0.03 | below 0.03 mg/l (not detected above this) |
| 13 May 2026, 12:04 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Apr 2026, 09:22 | <0.03 | below 0.03 mg/l (not detected above this) |
| 25 Mar 2026, 13:42 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Mar 2026, 10:21 | <0.03 | below 0.03 mg/l (not detected above this) |
| 23 Feb 2026, 13:07 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Feb 2026, 09:40 | 0.041 | 0.041 mg/l |
| 20 Jan 2026, 08:52 | 0.041 | 0.041 mg/l |
| 7 Jan 2026, 11:21 | <0.03 | below 0.03 mg/l (not detected above this) |
| 16 Dec 2025, 10:18 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Dec 2025, 12:43 | <0.03 | below 0.03 mg/l (not detected above this) |
| 24 Nov 2025, 13:40 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Nov 2025, 13:30 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 Oct 2025, 11:50 | <0.03 | below 0.03 mg/l (not detected above this) |
| 16 Sep 2025, 11:42 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Aug 2025, 12:58 | <0.03 | below 0.03 mg/l (not detected above this) |
| 28 Jul 2025, 13:19 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Jun 2025, 13:57 | <0.03 | below 0.03 mg/l (not detected above this) |
| 29 May 2025, 14:27 | <0.03 | below 0.03 mg/l (not detected above this) |
| 10 Apr 2025, 12:08 | <0.03 | below 0.03 mg/l (not detected above this) |
| 27 Mar 2025, 13:03 | <0.03 | below 0.03 mg/l (not detected above this) |
| 11 Feb 2025, 10:56 | <0.03 | below 0.03 mg/l (not detected above this) |
| 28 Jan 2025, 09:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 3 Dec 2024, 13:03 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Nov 2024, 10:22 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Oct 2024, 16:19 | <0.03 | below 0.03 mg/l (not detected above this) |
| 24 Sep 2024, 13:15 | <0.03 | below 0.03 mg/l (not detected above this) |
| 21 Aug 2024, 08:46 | <0.03 | below 0.03 mg/l (not detected above this) |
| 23 Jul 2024, 10:06 | <0.03 | below 0.03 mg/l (not detected above this) |
Nitrate
as nitrogen (N) · code 0117 · mg/l
2.6 mg/l
Sampled 21 May 2026, 4 months ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 21 May 2026, 09:25 | 2.6 | 2.6 mg/l |
| 13 May 2026, 12:04 | 2.8 | 2.8 mg/l |
| 15 Apr 2026, 09:22 | 2.6 | 2.6 mg/l |
| 25 Mar 2026, 13:42 | 2.5 | 2.5 mg/l |
| 5 Mar 2026, 10:21 | 2.29 | 2.29 mg/l |
| 23 Feb 2026, 13:07 | 2.29 | 2.29 mg/l |
| 4 Feb 2026, 09:40 | 2.19 | 2.19 mg/l |
| 20 Jan 2026, 08:52 | 2.09 | 2.09 mg/l |
| 7 Jan 2026, 11:21 | 2.39 | 2.39 mg/l |
| 16 Dec 2025, 10:18 | 2 | 2 mg/l |
| 3 Dec 2025, 12:43 | 2.2 | 2.2 mg/l |
| 24 Nov 2025, 13:40 | 1.8 | 1.8 mg/l |
| 5 Nov 2025, 13:30 | 1.7 | 1.7 mg/l |
| 1 Oct 2025, 11:50 | 2.4 | 2.4 mg/l |
| 16 Sep 2025, 11:42 | 2.3 | 2.3 mg/l |
| 4 Aug 2025, 12:58 | 2.8 | 2.8 mg/l |
| 28 Jul 2025, 13:19 | 2.9 | 2.9 mg/l |
| 6 Jun 2025, 13:57 | 3 | 3 mg/l |
| 29 May 2025, 14:27 | 3.19 | 3.19 mg/l |
| 10 Apr 2025, 12:08 | 3.1 | 3.1 mg/l |
| 27 Mar 2025, 13:03 | 2.9 | 2.9 mg/l |
| 11 Feb 2025, 10:56 | 2.6 | 2.6 mg/l |
| 28 Jan 2025, 09:52 | 1.39 | 1.39 mg/l |
| 3 Dec 2024, 13:03 | 2.09 | 2.09 mg/l |
| 18 Nov 2024, 10:22 | 2.89 | 2.89 mg/l |
| 18 Oct 2024, 16:19 | 1.6 | 1.6 mg/l |
| 24 Sep 2024, 13:15 | 2.2 | 2.2 mg/l |
| 21 Aug 2024, 08:46 | 3.2 | 3.2 mg/l |
| 23 Jul 2024, 10:06 | 3.1 | 3.1 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.045 mg/l
Sampled 21 May 2026, 4 months ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 21 May 2026, 09:25 | 0.045 | 0.045 mg/l |
| 13 May 2026, 12:04 | 0.036 | 0.036 mg/l |
| 15 Apr 2026, 09:22 | 0.04 | 0.04 mg/l |
| 25 Mar 2026, 13:42 | 0.033 | 0.033 mg/l |
| 5 Mar 2026, 10:21 | 0.044 | 0.044 mg/l |
| 23 Feb 2026, 13:07 | 0.047 | 0.047 mg/l |
| 4 Feb 2026, 09:40 | 0.066 | 0.066 mg/l |
| 20 Jan 2026, 08:52 | 0.06 | 0.06 mg/l |
| 7 Jan 2026, 11:21 | 0.037 | 0.037 mg/l |
| 16 Dec 2025, 10:18 | 0.13 | 0.13 mg/l |
| 3 Dec 2025, 12:43 | 0.058 | 0.058 mg/l |
| 24 Nov 2025, 13:40 | 0.047 | 0.047 mg/l |
| 5 Nov 2025, 13:30 | 0.051 | 0.051 mg/l |
| 1 Oct 2025, 11:50 | 0.045 | 0.045 mg/l |
| 16 Sep 2025, 11:42 | 0.058 | 0.058 mg/l |
| 4 Aug 2025, 12:58 | 0.043 | 0.043 mg/l |
| 28 Jul 2025, 13:19 | 0.048 | 0.048 mg/l |
| 6 Jun 2025, 13:57 | 0.044 | 0.044 mg/l |
| 29 May 2025, 14:27 | 0.044 | 0.044 mg/l |
| 10 Apr 2025, 12:08 | 0.019 | 0.019 mg/l |
| 27 Mar 2025, 13:03 | 0.027 | 0.027 mg/l |
| 11 Feb 2025, 10:56 | 0.034 | 0.034 mg/l |
| 28 Jan 2025, 09:52 | 0.14 | 0.14 mg/l |
| 3 Dec 2024, 13:03 | 0.043 | 0.043 mg/l |
| 18 Nov 2024, 10:22 | 0.059 | 0.059 mg/l |
| 18 Oct 2024, 16:19 | 0.054 | 0.054 mg/l |
| 24 Sep 2024, 13:15 | 0.06 | 0.06 mg/l |
| 21 Aug 2024, 08:46 | 0.045 | 0.045 mg/l |
| 23 Jul 2024, 10:06 | 0.043 | 0.043 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
672 µS/cm
Sampled 21 May 2026, 4 months ago · 29 results banked
Every result (29)
| Sampled | Result as published | Reads as |
|---|---|---|
| 21 May 2026, 09:25 | 672 | 672 µS/cm |
| 13 May 2026, 12:04 | 648 | 648 µS/cm |
| 15 Apr 2026, 09:22 | 635 | 635 µS/cm |
| 25 Mar 2026, 13:42 | 641 | 641 µS/cm |
| 5 Mar 2026, 10:21 | 610 | 610 µS/cm |
| 23 Feb 2026, 13:07 | 589 | 589 µS/cm |
| 4 Feb 2026, 09:40 | 546 | 546 µS/cm |
| 20 Jan 2026, 08:52 | 528 | 528 µS/cm |
| 7 Jan 2026, 11:21 | 651 | 651 µS/cm |
| 16 Dec 2025, 10:18 | 414 | 414 µS/cm |
| 3 Dec 2025, 12:43 | 563 | 563 µS/cm |
| 24 Nov 2025, 13:40 | 597 | 597 µS/cm |
| 5 Nov 2025, 13:30 | 643 | 643 µS/cm |
| 1 Oct 2025, 11:50 | 682 | 682 µS/cm |
| 16 Sep 2025, 11:42 | 674 | 674 µS/cm |
| 4 Aug 2025, 12:58 | 657 | 657 µS/cm |
| 28 Jul 2025, 13:19 | 673 | 673 µS/cm |
| 6 Jun 2025, 13:57 | 679 | 679 µS/cm |
| 29 May 2025, 14:27 | 674 | 674 µS/cm |
| 10 Apr 2025, 12:08 | 668 | 668 µS/cm |
| 27 Mar 2025, 13:03 | 652 | 652 µS/cm |
| 11 Feb 2025, 10:56 | 606 | 606 µS/cm |
| 28 Jan 2025, 09:52 | 369 | 369 µS/cm |
| 3 Dec 2024, 13:03 | 593 | 593 µS/cm |
| 18 Nov 2024, 10:22 | 653 | 653 µS/cm |
| 18 Oct 2024, 16:19 | 567 | 567 µS/cm |
| 24 Sep 2024, 13:15 | 627 | 627 µS/cm |
| 21 Aug 2024, 08:46 | 671 | 671 µS/cm |
| 23 Jul 2024, 10:06 | 667 | 667 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 | 29 | Jul 2024 – May 2026 | 93.4% 21 May 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 29 | Jul 2024 – May 2026 | 9.88 mg/l 21 May 2026 |
| Temperature of Water 0076 | River water | 29 | Jul 2024 – May 2026 | 12.7 °C 21 May 2026 |
| pH 0061 | River water | 29 | Jul 2024 – May 2026 | 8.08 21 May 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 29 | Jul 2024 – May 2026 | below 0.03 mg/l 21 May 2026 |
| Nitrate as N 0117 | River water | 29 | Jul 2024 – May 2026 | 2.6 mg/l 21 May 2026 |
| Orthophosphate, reactive as P 0180 | River water | 29 | Jul 2024 – May 2026 | 0.045 mg/l 21 May 2026 |
| Conductivity at 25 C 0077 | River water | 29 | Jul 2024 – May 2026 | 672 µS/cm 21 May 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 29 | Jul 2024 – May 2026 | 290 mg/l 21 May 2026 |
| Ammonia un-ionised as N 0119 | River water | 29 | Jul 2024 – May 2026 | below 0.00067 mg/l 21 May 2026 |
| BOD : 5 Day ATU 0085 | River water | 27 | Jul 2024 – May 2026 | below 1 mg/l 21 May 2026 |
| Nitrite as N 0118 | River water | 29 | Jul 2024 – May 2026 | 0.0049 mg/l 21 May 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 29 | Jul 2024 – May 2026 | 2.6 mg/l 21 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.