Gawton Stream at Rumleigh
EA name: GAWTON STREAM AT RUMLEIGH
Environment Agency sampling point SW-SSN0500 · 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
- 26 Aug 2026, 13:4636 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 20 since 13 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 244990, 68752As published, to the nearest 1 m. Open in a map
- River, by its own name
- Gawton Stream
- River, by the map
- Not placedNearest line is 113 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) (20 samples)
1 visit found no water to sample (recorded as “No flow”).
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
92.5%
Sampled 24 Jul 2026, 2 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 24 Jul 2026, 12:57 | 92.5 | 92.5% |
| 15 Jun 2026, 10:53 | 94.8 | 94.8% |
| 12 May 2026, 13:53 | 96.1 | 96.1% |
| 30 Apr 2026, 11:28 | 95 | 95% |
| 24 Mar 2026, 15:10 | 98 | 98% |
| 18 Feb 2026, 13:44 | 97.4 | 97.4% |
| 28 Jan 2026, 13:33 | 99.7 | 99.7% |
| 18 Dec 2025, 12:41 | 99.9 | 99.9% |
| 12 Nov 2025, 14:14 | 98.7 | 98.7% |
| 17 Oct 2025, 12:09 | 95.4 | 95.4% |
| 25 Sep 2025, 09:58 | 96.6 | 96.6% |
| 12 Aug 2025, 11:24 | 92.9 | 92.9% |
| 23 Jul 2025, 11:48 | 95 | 95% |
| 24 Jun 2025, 11:55 | 96.7 | 96.7% |
| 30 May 2025, 10:51 | 95.5 | 95.5% |
| 22 Apr 2025, 13:29 | 98.7 | 98.7% |
| 7 Dec 2023, 12:29 | 99.5 | 99.5% |
| 15 Nov 2023, 11:56 | 97.5 | 97.5% |
| 13 Oct 2023, 10:48 | 98.1 | 98.1% |
Dissolved oxygen
as O2 · code 9924 · mg/l
8.34 mg/l
Sampled 24 Jul 2026, 2 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 24 Jul 2026, 12:57 | 8.34 | 8.34 mg/l |
| 15 Jun 2026, 10:53 | 9.72 | 9.72 mg/l |
| 12 May 2026, 13:53 | 10.3 | 10.3 mg/l |
| 30 Apr 2026, 11:28 | 10.1 | 10.1 mg/l |
| 24 Mar 2026, 15:10 | 10.7 | 10.7 mg/l |
| 18 Feb 2026, 13:44 | 10.8 | 10.8 mg/l |
| 28 Jan 2026, 13:33 | 10.8 | 10.8 mg/l |
| 18 Dec 2025, 12:41 | 10.8 | 10.8 mg/l |
| 12 Nov 2025, 14:14 | 10.3 | 10.3 mg/l |
| 17 Oct 2025, 12:09 | 10.1 | 10.1 mg/l |
| 25 Sep 2025, 09:58 | 10.8 | 10.8 mg/l |
| 12 Aug 2025, 11:24 | 8.88 | 8.88 mg/l |
| 23 Jul 2025, 11:48 | 9.17 | 9.17 mg/l |
| 24 Jun 2025, 11:55 | 9.81 | 9.81 mg/l |
| 30 May 2025, 10:51 | 9.73 | 9.73 mg/l |
| 22 Apr 2025, 13:29 | 10.4 | 10.4 mg/l |
| 7 Dec 2023, 12:29 | 11 | 11 mg/l |
| 15 Nov 2023, 11:56 | 10.4 | 10.4 mg/l |
| 13 Oct 2023, 10:48 | 9.68 | 9.68 mg/l |
Water temperature
code 0076 · °C
20.3 °C
Sampled 24 Jul 2026, 2 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 24 Jul 2026, 12:57 | 20.3 | 20.3 °C |
| 15 Jun 2026, 10:53 | 14.1 | 14.1 °C |
| 12 May 2026, 13:53 | 12 | 12 °C |
| 30 Apr 2026, 11:28 | 12.3 | 12.3 °C |
| 24 Mar 2026, 15:10 | 11.4 | 11.4 °C |
| 18 Feb 2026, 13:44 | 10.6 | 10.6 °C |
| 28 Jan 2026, 13:33 | 11.6 | 11.6 °C |
| 18 Dec 2025, 12:41 | 11.6 | 11.6 °C |
| 12 Nov 2025, 14:14 | 13.1 | 13.1 °C |
| 17 Oct 2025, 12:09 | 12.5 | 12.5 °C |
| 25 Sep 2025, 09:58 | 10.3 | 10.3 °C |
| 12 Aug 2025, 11:24 | 17.4 | 17.4 °C |
| 23 Jul 2025, 11:48 | 16.9 | 16.9 °C |
| 24 Jun 2025, 11:55 | 14.6 | 14.6 °C |
| 30 May 2025, 10:51 | 14.4 | 14.4 °C |
| 22 Apr 2025, 13:29 | 13 | 13 °C |
| 7 Dec 2023, 12:29 | 10.7 | 10.7 °C |
| 15 Nov 2023, 11:56 | 12.3 | 12.3 °C |
| 13 Oct 2023, 10:48 | 15.9 | 15.9 °C |
pH
code 0061
7.73
Sampled 24 Jul 2026, 2 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 24 Jul 2026, 12:57 | 7.73 | 7.73 |
| 15 Jun 2026, 10:53 | 7.68 | 7.68 |
| 12 May 2026, 13:53 | 7.75 | 7.75 |
| 30 Apr 2026, 11:28 | 7.76 | 7.76 |
| 24 Mar 2026, 15:10 | 7.64 | 7.64 |
| 18 Feb 2026, 13:44 | 7.64 | 7.64 |
| 28 Jan 2026, 13:33 | 7.87 | 7.87 |
| 18 Dec 2025, 12:41 | 7.48 | 7.48 |
| 12 Nov 2025, 14:14 | 7.56 | 7.56 |
| 17 Oct 2025, 12:09 | 7.64 | 7.64 |
| 25 Sep 2025, 09:58 | 7.74 | 7.74 |
| 12 Aug 2025, 11:24 | 7.74 | 7.74 |
| 23 Jul 2025, 11:48 | 7.81 | 7.81 |
| 24 Jun 2025, 11:55 | 7.75 | 7.75 |
| 30 May 2025, 10:51 | 7.68 | 7.68 |
| 22 Apr 2025, 13:29 | 7.85 | 7.85 |
| 7 Dec 2023, 12:29 | 7.28 | 7.28 |
| 15 Nov 2023, 11:56 | 7.54 | 7.54 |
| 13 Oct 2023, 10:48 | 7.51 | 7.51 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.03 mg/l (not detected above this)
Sampled 24 Jul 2026, 2 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 24 Jul 2026, 12:57 | <0.03 | below 0.03 mg/l (not detected above this) |
| 15 Jun 2026, 10:53 | <0.03 | below 0.03 mg/l (not detected above this) |
| 12 May 2026, 13:53 | <0.03 | below 0.03 mg/l (not detected above this) |
| 30 Apr 2026, 11:28 | <0.03 | below 0.03 mg/l (not detected above this) |
| 24 Mar 2026, 15:10 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Feb 2026, 13:44 | 0.05 | 0.05 mg/l |
| 28 Jan 2026, 13:33 | <0.03 | below 0.03 mg/l (not detected above this) |
| 18 Dec 2025, 12:41 | 0.045 | 0.045 mg/l |
| 12 Nov 2025, 14:14 | <0.03 | below 0.03 mg/l (not detected above this) |
| 17 Oct 2025, 12:09 | <0.03 | below 0.03 mg/l (not detected above this) |
| 25 Sep 2025, 09:58 | <0.03 | below 0.03 mg/l (not detected above this) |
| 12 Aug 2025, 11:24 | <0.03 | below 0.03 mg/l (not detected above this) |
| 23 Jul 2025, 11:48 | <0.03 | below 0.03 mg/l (not detected above this) |
| 24 Jun 2025, 11:55 | <0.03 | below 0.03 mg/l (not detected above this) |
| 30 May 2025, 10:51 | <0.03 | below 0.03 mg/l (not detected above this) |
| 22 Apr 2025, 13:29 | <0.03 | below 0.03 mg/l (not detected above this) |
| 7 Dec 2023, 12:29 | 0.065 | 0.065 mg/l |
| 15 Nov 2023, 11:56 | <0.03 | below 0.03 mg/l (not detected above this) |
| 13 Oct 2023, 10:48 | <0.03 | below 0.03 mg/l (not detected above this) |
Nitrate
as nitrogen (N) · code 0117 · mg/l
1.5 mg/l
Sampled 24 Jul 2026, 2 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 24 Jul 2026, 12:57 | 1.5 | 1.5 mg/l |
| 15 Jun 2026, 10:53 | 2.19 | 2.19 mg/l |
| 12 May 2026, 13:53 | 1.8 | 1.8 mg/l |
| 30 Apr 2026, 11:28 | 2 | 2 mg/l |
| 24 Mar 2026, 15:10 | 2.9 | 2.9 mg/l |
| 18 Feb 2026, 13:44 | 2.9 | 2.9 mg/l |
| 28 Jan 2026, 13:33 | 2.9 | 2.9 mg/l |
| 18 Dec 2025, 12:41 | 2.5 | 2.5 mg/l |
| 12 Nov 2025, 14:14 | 2.9 | 2.9 mg/l |
| 17 Oct 2025, 12:09 | 2.2 | 2.2 mg/l |
| 25 Sep 2025, 09:58 | 2.8 | 2.8 mg/l |
| 12 Aug 2025, 11:24 | 1.4 | 1.4 mg/l |
| 23 Jul 2025, 11:48 | 1.7 | 1.7 mg/l |
| 24 Jun 2025, 11:55 | 2.6 | 2.6 mg/l |
| 30 May 2025, 10:51 | 1.8 | 1.8 mg/l |
| 22 Apr 2025, 13:29 | 3.2 | 3.2 mg/l |
| 7 Dec 2023, 12:29 | 2 | 2 mg/l |
| 15 Nov 2023, 11:56 | 3.8 | 3.8 mg/l |
| 13 Oct 2023, 10:48 | 3.1 | 3.1 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.098 mg/l
Sampled 24 Jul 2026, 2 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 24 Jul 2026, 12:57 | 0.098 | 0.098 mg/l |
| 15 Jun 2026, 10:53 | 0.057 | 0.057 mg/l |
| 12 May 2026, 13:53 | 0.034 | 0.034 mg/l |
| 30 Apr 2026, 11:28 | 0.027 | 0.027 mg/l |
| 24 Mar 2026, 15:10 | 0.021 | 0.021 mg/l |
| 18 Feb 2026, 13:44 | 0.053 | 0.053 mg/l |
| 28 Jan 2026, 13:33 | 0.033 | 0.033 mg/l |
| 18 Dec 2025, 12:41 | 0.055 | 0.055 mg/l |
| 12 Nov 2025, 14:14 | 0.033 | 0.033 mg/l |
| 17 Oct 2025, 12:09 | 0.022 | 0.022 mg/l |
| 25 Sep 2025, 09:58 | 0.061 | 0.061 mg/l |
| 12 Aug 2025, 11:24 | 0.095 | 0.095 mg/l |
| 23 Jul 2025, 11:48 | 0.048 | 0.048 mg/l |
| 24 Jun 2025, 11:55 | 0.045 | 0.045 mg/l |
| 30 May 2025, 10:51 | 0.047 | 0.047 mg/l |
| 22 Apr 2025, 13:29 | 0.033 | 0.033 mg/l |
| 7 Dec 2023, 12:29 | 0.1 | 0.1 mg/l |
| 15 Nov 2023, 11:56 | 0.014 | 0.014 mg/l |
| 13 Oct 2023, 10:48 | 0.045 | 0.045 mg/l |
Turbidity
code 6396 · NTU
12 NTU
Sampled 24 Jul 2026, 2 months ago · 16 results banked
Every result (16)
| Sampled | Result as published | Reads as |
|---|---|---|
| 24 Jul 2026, 12:57 | 12 | 12 NTU |
| 15 Jun 2026, 10:53 | 3.3 | 3.3 NTU |
| 12 May 2026, 13:53 | 1.4 | 1.4 NTU |
| 30 Apr 2026, 11:28 | 4.2 | 4.2 NTU |
| 24 Mar 2026, 15:10 | 2.6 | 2.6 NTU |
| 18 Feb 2026, 13:44 | 18 | 18 NTU |
| 28 Jan 2026, 13:33 | 2.7 | 2.7 NTU |
| 18 Dec 2025, 12:41 | 39 | 39 NTU |
| 12 Nov 2025, 14:14 | 6.3 | 6.3 NTU |
| 17 Oct 2025, 12:09 | 1.1 | 1.1 NTU |
| 25 Sep 2025, 09:58 | 1.9 | 1.9 NTU |
| 12 Aug 2025, 11:24 | 23 | 23 NTU |
| 23 Jul 2025, 11:48 | 6.6 | 6.6 NTU |
| 24 Jun 2025, 11:55 | 3 | 3 NTU |
| 30 May 2025, 10:51 | 5.5 | 5.5 NTU |
| 22 Apr 2025, 13:29 | 6 | 6 NTU |
Conductivity
at 25 °C · code 0077 · µS/cm
220 µS/cm
Sampled 24 Jul 2026, 2 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 24 Jul 2026, 12:57 | 220 | 220 µS/cm |
| 15 Jun 2026, 10:53 | 210 | 210 µS/cm |
| 12 May 2026, 13:53 | 200 | 200 µS/cm |
| 30 Apr 2026, 11:28 | 200 | 200 µS/cm |
| 24 Mar 2026, 15:10 | 210 | 210 µS/cm |
| 18 Feb 2026, 13:44 | 190 | 190 µS/cm |
| 28 Jan 2026, 13:33 | 180 | 180 µS/cm |
| 18 Dec 2025, 12:41 | 160 | 160 µS/cm |
| 12 Nov 2025, 14:14 | 200 | 200 µS/cm |
| 17 Oct 2025, 12:09 | 210 | 210 µS/cm |
| 25 Sep 2025, 09:58 | 220 | 220 µS/cm |
| 12 Aug 2025, 11:24 | 230 | 230 µS/cm |
| 23 Jul 2025, 11:48 | 220 | 220 µS/cm |
| 24 Jun 2025, 11:55 | 220 | 220 µS/cm |
| 30 May 2025, 10:51 | 210 | 210 µS/cm |
| 22 Apr 2025, 13:29 | 220 | 220 µS/cm |
| 7 Dec 2023, 12:29 | 115 | 115 µS/cm |
| 15 Nov 2023, 11:56 | 199 | 199 µS/cm |
| 13 Oct 2023, 10:48 | 205 | 205 µS/cm |
Everything measured here
25 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 25 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 19 | Oct 2023 – Jul 2026 | 92.5% 24 Jul 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 19 | Oct 2023 – Jul 2026 | 8.34 mg/l 24 Jul 2026 |
| Temperature of Water 0076 | River water | 19 | Oct 2023 – Jul 2026 | 20.3 °C 24 Jul 2026 |
| pH 0061 | River water | 19 | Oct 2023 – Jul 2026 | 7.73 24 Jul 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 19 | Oct 2023 – Jul 2026 | below 0.03 mg/l 24 Jul 2026 |
| Nitrate as N 0117 | River water | 19 | Oct 2023 – Jul 2026 | 1.5 mg/l 24 Jul 2026 |
| Orthophosphate, reactive as P 0180 | River water | 19 | Oct 2023 – Jul 2026 | 0.098 mg/l 24 Jul 2026 |
| Turbidity 6396 | River water | 16 | Apr 2025 – Jul 2026 | 12 NTU 24 Jul 2026 |
| Conductivity at 25 C 0077 | River water | 19 | Oct 2023 – Jul 2026 | 220 µS/cm 24 Jul 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 19 | Oct 2023 – Jul 2026 | 61 mg/l 24 Jul 2026 |
| Ammonia un-ionised as N 0119 | River water | 19 | Oct 2023 – Jul 2026 | below 0.00063 mg/l 24 Jul 2026 |
| BOD : 5 Day ATU 0085 | River water | 15 | Apr 2025 – Jul 2026 | below 4 mg/l 24 Jul 2026 |
| Chloride 0172 | River water | 19 | Oct 2023 – Jul 2026 | 20 mg/l 24 Jul 2026 |
| Chlorophyll : Acetone Extract 7887 | River water | 12 | Apr 2025 – Jul 2026 | 1.8 µg/l 24 Jul 2026 |
| Flow Type 2896 | River water | 3 | Oct 2023 – Dec 2023 | Over-bank Flow 7 Dec 2023 |
| Nitrite as N 0118 | River water | 19 | Oct 2023 – Jul 2026 | below 0.004 mg/l 24 Jul 2026 |
| Nitrogen, Total as N 9686 | River water | 3 | Oct 2023 – Dec 2023 | 8.4 mg/l 7 Dec 2023 |
| Nitrogen, Total Inorganic : (Calculated) 3683 | River water | 16 | Apr 2025 – Jul 2026 | 1.53 mg/l 24 Jul 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 19 | Oct 2023 – Jul 2026 | 1.5 mg/l 24 Jul 2026 |
| No flow /No sample 7668 | River water | 1 | Aug 2026 – Aug 2026 | No flow/discharge at sampling point 26 Aug 2026 |
| Phosphate :- {TIP} 0192 | River water | 16 | Apr 2025 – Jul 2026 | 0.078 mg/l 24 Jul 2026 |
| Phosphorus, Total as P 0348 | River water | 19 | Oct 2023 – Jul 2026 | 0.14 mg/l 24 Jul 2026 |
| Silica, reactive as SiO2 0182 | River water | 3 | Oct 2023 – Dec 2023 | 2.6 mg/l 7 Dec 2023 |
| Solids, Suspended at 105 C 0135 | River water | 19 | Oct 2023 – Jul 2026 | 21 mg/l 24 Jul 2026 |
| Weather : Precipitation 1183 | River water | 16 | Apr 2025 – Jul 2026 | Dry 24 Jul 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.