River Can downstream of Great Newarks
EA name: R.CAN D/S GREAT NEWARKS (also listed as “RSN0449 R.CAN D/S GREAT NEWARKS”)
Environment Agency sampling point AN-RSN0449 · 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
- 12 Aug 2026, 12:0250 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 20 since 2 Jan 2025 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 564438, 211028As published, to the nearest 1 m. Open in a map
- River, by its own name
- Can
- River, by the map
- River CanPlaced on the river its name gives, 1 m from the line.
- Next gauge downstream
- Beach's Mill On the River Can · 8.3 km along the river
- Why it was sampled
- Monitoring (national agency policy) (20 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
73.7%
Sampled 12 Aug 2026, 50 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 12 Aug 2026, 12:02 | 73.7 | 73.7% |
| 1 Jul 2026, 12:06 | 71.1 | 71.1% |
| 9 Jun 2026, 12:20 | 67.2 | 67.2% |
| 20 May 2026, 13:17 | 85.1 | 85.1% |
| 29 Apr 2026, 11:13 | 96.7 | 96.7% |
| 5 Mar 2026, 13:06 | 102.3 | 102.3% |
| 4 Feb 2026, 12:25 | 95.5 | 95.5% |
| 7 Jan 2026, 14:11 | 92.8 | 92.8% |
| 17 Dec 2025, 13:16 | 85.9 | 85.9% |
| 6 Nov 2025, 10:02 | 56.8 | 56.8% |
| 9 Oct 2025, 13:25 | 70.9 | 70.9% |
| 9 Sep 2025, 10:25 | 67.8 | 67.8% |
| 7 Aug 2025, 11:44 | 72.7 | 72.7% |
| 7 Jul 2025, 09:22 | 61.9 | 61.9% |
| 5 Jun 2025, 11:14 | 65.8 | 65.8% |
| 9 May 2025, 14:52 | 99.9 | 99.9% |
| 2 Apr 2025, 11:35 | 97.1 | 97.1% |
| 6 Mar 2025, 11:05 | 100.7 | 100.7% |
| 4 Feb 2025, 10:38 | 98.4 | 98.4% |
| 2 Jan 2025, 14:24 | 96.4 | 96.4% |
Dissolved oxygen
as O2 · code 9924 · mg/l
6.96 mg/l
Sampled 12 Aug 2026, 50 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 12 Aug 2026, 12:02 | 6.96 | 6.96 mg/l |
| 1 Jul 2026, 12:06 | 6.74 | 6.74 mg/l |
| 9 Jun 2026, 12:20 | 7.01 | 7.01 mg/l |
| 20 May 2026, 13:17 | 8.94 | 8.94 mg/l |
| 29 Apr 2026, 11:13 | 10.6 | 10.6 mg/l |
| 5 Mar 2026, 13:06 | 11.6 | 11.6 mg/l |
| 4 Feb 2026, 12:25 | 11.7 | 11.7 mg/l |
| 7 Jan 2026, 14:11 | 12.7 | 12.7 mg/l |
| 17 Dec 2025, 13:16 | 10.3 | 10.3 mg/l |
| 6 Nov 2025, 10:02 | 6.03 | 6.03 mg/l |
| 9 Oct 2025, 13:25 | 7.69 | 7.69 mg/l |
| 9 Sep 2025, 10:25 | 7.03 | 7.03 mg/l |
| 7 Aug 2025, 11:44 | 7.17 | 7.17 mg/l |
| 7 Jul 2025, 09:22 | 6.14 | 6.14 mg/l |
| 5 Jun 2025, 11:14 | 6.84 | 6.84 mg/l |
| 9 May 2025, 14:52 | 10.6 | 10.6 mg/l |
| 2 Apr 2025, 11:35 | 11.1 | 11.1 mg/l |
| 6 Mar 2025, 11:05 | 12.8 | 12.8 mg/l |
| 4 Feb 2025, 10:38 | 12.4 | 12.4 mg/l |
| 2 Jan 2025, 14:24 | 11.9 | 11.9 mg/l |
Water temperature
code 0076 · °C
18 °C
Sampled 12 Aug 2026, 50 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 12 Aug 2026, 12:02 | 18 | 18 °C |
| 1 Jul 2026, 12:06 | 17.8 | 17.8 °C |
| 9 Jun 2026, 12:20 | 13.3 | 13.3 °C |
| 20 May 2026, 13:17 | 13 | 13 °C |
| 29 Apr 2026, 11:13 | 11.3 | 11.3 °C |
| 5 Mar 2026, 13:06 | 9.6 | 9.6 °C |
| 4 Feb 2026, 12:25 | 6.7 | 6.7 °C |
| 7 Jan 2026, 14:11 | 2.4 | 2.4 °C |
| 17 Dec 2025, 13:16 | 7.4 | 7.4 °C |
| 6 Nov 2025, 10:02 | 12.5 | 12.5 °C |
| 9 Oct 2025, 13:25 | 11.6 | 11.6 °C |
| 9 Sep 2025, 10:25 | 13.6 | 13.6 °C |
| 7 Aug 2025, 11:44 | 15.9 | 15.9 °C |
| 7 Jul 2025, 09:22 | 15.6 | 15.6 °C |
| 5 Jun 2025, 11:14 | 13.5 | 13.5 °C |
| 9 May 2025, 14:52 | 12.4 | 12.4 °C |
| 2 Apr 2025, 11:35 | 9.2 | 9.2 °C |
| 6 Mar 2025, 11:05 | 5.2 | 5.2 °C |
| 4 Feb 2025, 10:38 | 5.4 | 5.4 °C |
| 2 Jan 2025, 14:24 | 6.2 | 6.2 °C |
pH
code 0061
7.98
Sampled 12 Aug 2026, 50 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 12 Aug 2026, 12:02 | 7.98 | 7.98 |
| 1 Jul 2026, 12:06 | 8.01 | 8.01 |
| 9 Jun 2026, 12:20 | 7.97 | 7.97 |
| 20 May 2026, 13:17 | 8.08 | 8.08 |
| 29 Apr 2026, 11:13 | 8.05 | 8.05 |
| 5 Mar 2026, 13:06 | 8.14 | 8.14 |
| 4 Feb 2026, 12:25 | 8.11 | 8.11 |
| 7 Jan 2026, 14:11 | 8.14 | 8.14 |
| 17 Dec 2025, 13:16 | 7.93 | 7.93 |
| 6 Nov 2025, 10:02 | 7.63 | 7.63 |
| 9 Oct 2025, 13:25 | 7.98 | 7.98 |
| 9 Sep 2025, 10:25 | 7.8 | 7.8 |
| 7 Aug 2025, 11:44 | 7.94 | 7.94 |
| 7 Jul 2025, 09:22 | 7.95 | 7.95 |
| 5 Jun 2025, 11:14 | 7.94 | 7.94 |
| 9 May 2025, 14:52 | 8.14 | 8.14 |
| 2 Apr 2025, 11:35 | 8.4 | 8.4 |
| 6 Mar 2025, 11:05 | 8.11 | 8.11 |
| 4 Feb 2025, 10:38 | 8.26 | 8.26 |
| 2 Jan 2025, 14:24 | 8.17 | 8.17 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.03 mg/l (not detected above this)
Sampled 12 Aug 2026, 50 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 12 Aug 2026, 12:02 | <0.03 | below 0.03 mg/l (not detected above this) |
| 1 Jul 2026, 12:06 | 0.063 | 0.063 mg/l |
| 9 Jun 2026, 12:20 | 0.14 | 0.14 mg/l |
| 20 May 2026, 13:17 | 0.054 | 0.054 mg/l |
| 29 Apr 2026, 11:13 | <0.03 | below 0.03 mg/l (not detected above this) |
| 5 Mar 2026, 13:06 | 0.14 | 0.14 mg/l |
| 4 Feb 2026, 12:25 | <0.03 | below 0.03 mg/l (not detected above this) |
| 7 Jan 2026, 14:11 | 0.069 | 0.069 mg/l |
| 17 Dec 2025, 13:16 | 0.03 | 0.03 mg/l |
| 6 Nov 2025, 10:02 | <0.03 | below 0.03 mg/l (not detected above this) |
| 9 Oct 2025, 13:25 | <0.03 | below 0.03 mg/l (not detected above this) |
| 9 Sep 2025, 10:25 | <0.03 | below 0.03 mg/l (not detected above this) |
| 7 Aug 2025, 11:44 | 0.05 | 0.05 mg/l |
| 7 Jul 2025, 09:22 | 0.081 | 0.081 mg/l |
| 5 Jun 2025, 11:14 | 0.11 | 0.11 mg/l |
| 9 May 2025, 14:52 | <0.03 | below 0.03 mg/l (not detected above this) |
| 2 Apr 2025, 11:35 | <0.03 | below 0.03 mg/l (not detected above this) |
| 6 Mar 2025, 11:05 | <0.03 | below 0.03 mg/l (not detected above this) |
| 4 Feb 2025, 10:38 | <0.03 | below 0.03 mg/l (not detected above this) |
| 2 Jan 2025, 14:24 | 0.079 | 0.079 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
below 0.196 mg/l (not detected above this)
Sampled 12 Aug 2026, 50 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 12 Aug 2026, 12:02 | <0.196 | below 0.196 mg/l (not detected above this) |
| 1 Jul 2026, 12:06 | 0.354 | 0.354 mg/l |
| 9 Jun 2026, 12:20 | 0.313 | 0.313 mg/l |
| 20 May 2026, 13:17 | 0.985 | 0.985 mg/l |
| 29 Apr 2026, 11:13 | 3.18 | 3.18 mg/l |
| 5 Mar 2026, 13:06 | 12.9 | 12.9 mg/l |
| 4 Feb 2026, 12:25 | 20 | 20 mg/l |
| 7 Jan 2026, 14:11 | 9.84 | 9.84 mg/l |
| 17 Dec 2025, 13:16 | 12.9 | 12.9 mg/l |
| 6 Nov 2025, 10:02 | 0.196 | 0.196 mg/l |
| 9 Oct 2025, 13:25 | <0.196 | below 0.196 mg/l (not detected above this) |
| 9 Sep 2025, 10:25 | 0.223 | 0.223 mg/l |
| 7 Aug 2025, 11:44 | 0.192 | 0.192 mg/l |
| 7 Jul 2025, 09:22 | 1.18 | 1.18 mg/l |
| 5 Jun 2025, 11:14 | 0.44 | 0.44 mg/l |
| 9 May 2025, 14:52 | 1.89 | 1.89 mg/l |
| 2 Apr 2025, 11:35 | 5.38 | 5.38 mg/l |
| 6 Mar 2025, 11:05 | 11 | 11 mg/l |
| 4 Feb 2025, 10:38 | 13 | 13 mg/l |
| 2 Jan 2025, 14:24 | 8.86 | 8.86 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.44 mg/l
Sampled 1 Jul 2026, 3 months ago · 19 results banked
Every result (19)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Jul 2026, 12:06 | 0.44 | 0.44 mg/l |
| 9 Jun 2026, 12:20 | 0.26 | 0.26 mg/l |
| 20 May 2026, 13:17 | 0.13 | 0.13 mg/l |
| 29 Apr 2026, 11:13 | 0.15 | 0.15 mg/l |
| 5 Mar 2026, 13:06 | 0.11 | 0.11 mg/l |
| 4 Feb 2026, 12:25 | 0.063 | 0.063 mg/l |
| 7 Jan 2026, 14:11 | 0.22 | 0.22 mg/l |
| 17 Dec 2025, 13:16 | 0.17 | 0.17 mg/l |
| 6 Nov 2025, 10:02 | 0.2 | 0.2 mg/l |
| 9 Oct 2025, 13:25 | 0.14 | 0.14 mg/l |
| 9 Sep 2025, 10:25 | 0.16 | 0.16 mg/l |
| 7 Aug 2025, 11:44 | 0.22 | 0.22 mg/l |
| 7 Jul 2025, 09:22 | 0.34 | 0.34 mg/l |
| 5 Jun 2025, 11:14 | 0.28 | 0.28 mg/l |
| 9 May 2025, 14:52 | 0.15 | 0.15 mg/l |
| 2 Apr 2025, 11:35 | 0.15 | 0.15 mg/l |
| 6 Mar 2025, 11:05 | 0.093 | 0.093 mg/l |
| 4 Feb 2025, 10:38 | 0.085 | 0.085 mg/l |
| 2 Jan 2025, 14:24 | 0.21 | 0.21 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
761 µS/cm
Sampled 12 Aug 2026, 50 days ago · 20 results banked
Every result (20)
| Sampled | Result as published | Reads as |
|---|---|---|
| 12 Aug 2026, 12:02 | 761 | 761 µS/cm |
| 1 Jul 2026, 12:06 | 771 | 771 µS/cm |
| 9 Jun 2026, 12:20 | 815 | 815 µS/cm |
| 20 May 2026, 13:17 | 828 | 828 µS/cm |
| 29 Apr 2026, 11:13 | 843 | 843 µS/cm |
| 5 Mar 2026, 13:06 | 798 | 798 µS/cm |
| 4 Feb 2026, 12:25 | 753 | 753 µS/cm |
| 7 Jan 2026, 14:11 | 864 | 864 µS/cm |
| 17 Dec 2025, 13:16 | 902 | 902 µS/cm |
| 6 Nov 2025, 10:02 | 893 | 893 µS/cm |
| 9 Oct 2025, 13:25 | 735 | 735 µS/cm |
| 9 Sep 2025, 10:25 | 748 | 748 µS/cm |
| 7 Aug 2025, 11:44 | 737 | 737 µS/cm |
| 7 Jul 2025, 09:22 | 754 | 754 µS/cm |
| 5 Jun 2025, 11:14 | 793 | 793 µS/cm |
| 9 May 2025, 14:52 | 823 | 823 µS/cm |
| 2 Apr 2025, 11:35 | 840 | 840 µS/cm |
| 6 Mar 2025, 11:05 | 828 | 828 µS/cm |
| 4 Feb 2025, 10:38 | 779 | 779 µS/cm |
| 2 Jan 2025, 14:24 | 813 | 813 µS/cm |
Everything measured here
20 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 20 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 20 | Jan 2025 – Aug 2026 | 73.7% 12 Aug 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 20 | Jan 2025 – Aug 2026 | 6.96 mg/l 12 Aug 2026 |
| Temperature of Water 0076 | River water | 20 | Jan 2025 – Aug 2026 | 18 °C 12 Aug 2026 |
| pH 0061 | River water | 20 | Jan 2025 – Aug 2026 | 7.98 12 Aug 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 20 | Jan 2025 – Aug 2026 | below 0.03 mg/l 12 Aug 2026 |
| Nitrate as N 0117 | River water | 20 | Jan 2025 – Aug 2026 | below 0.196 mg/l 12 Aug 2026 |
| Orthophosphate, reactive as P 0180 | River water | 19 | Jan 2025 – Jul 2026 | 0.44 mg/l 1 Jul 2026 |
| Conductivity at 25 C 0077 | River water | 20 | Jan 2025 – Aug 2026 | 761 µS/cm 12 Aug 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 20 | Jan 2025 – Aug 2026 | 350 mg/l 12 Aug 2026 |
| Ammonia un-ionised as N 0119 | River water | 20 | Jan 2025 – Aug 2026 | below 0.00094 mg/l 12 Aug 2026 |
| Carbon, Organic, Dissolved as C :- {DOC} 0301 | River water | 19 | Jan 2025 – Aug 2026 | 2.7 mg/l 12 Aug 2026 |
| Chloride 0172 | River water | 20 | Jan 2025 – Aug 2026 | 29 mg/l 12 Aug 2026 |
| Flow Type 2896 | River water | 15 | Feb 2025 – Aug 2026 | Low Flow 12 Aug 2026 |
| LCMS Screen : Semi Quantitative 7299 | River water | 2 | Mar 2026 – Jun 2026 | 1 text result 9 Jun 2026 |
| Nitrite as N 0118 | River water | 20 | Jan 2025 – Aug 2026 | below 0.004 mg/l 12 Aug 2026 |
| Nitrogen, Total as N 9686 | River water | 20 | Jan 2025 – Aug 2026 | 0.25 mg/l 12 Aug 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 20 | Jan 2025 – Aug 2026 | below 0.2 mg/l 12 Aug 2026 |
| Phosphorus, Total as P 0348 | River water | 20 | Jan 2025 – Aug 2026 | 0.24 mg/l 12 Aug 2026 |
| Silica, reactive as SiO2 0182 | River water | 20 | Jan 2025 – Aug 2026 | 12 mg/l 12 Aug 2026 |
| Solids, Suspended at 105 C 0135 | River water | 9 | Dec 2025 – Aug 2026 | below 3 mg/l 12 Aug 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.