River Fynn Tuddenham Bridge
EA name: R.FYNN TUDDENHAM BRIDGE
Environment Agency sampling point AN-FYN020 · 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
- 1 Sep 2026, 07:4630 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 28 since 18 Jun 2024 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Environmental monitoring statutory (EU directives)
- Where
- National Grid 619300, 248600As published, to the nearest 100 m (so up to about 70 m out). Open in a map
- River, by its own name
- Fynn
- River, by the map
- River FynnPlaced on the river its name gives, 33 m from the line.
- Next gauge downstream
- None tracedIts water reaches the sea without passing a gauge.
- Why it was sampled
- Monitoring (national agency policy) (15 samples)
Environmental monitoring statutory (EU directives) (13 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
61.7%
Sampled 1 Sep 2026, 30 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 07:46 | 61.7 | 61.7% |
| 11 Aug 2026, 09:33 | 66.9 | 66.9% |
| 1 Jul 2026, 07:21 | 56.5 | 56.5% |
| 5 Jun 2026, 08:29 | 57.8 | 57.8% |
| 14 May 2026, 10:48 | 80.2 | 80.2% |
| 27 Apr 2026, 08:29 | 81.1 | 81.1% |
| 6 Mar 2026, 09:47 | 91.4 | 91.4% |
| 4 Feb 2026, 09:18 | 96.8 | 96.8% |
| 9 Jan 2026, 13:26 | 100.1 | 100.1% |
| 3 Dec 2025, 12:26 | 89.7 | 89.7% |
| 10 Nov 2025, 11:14 | 66.3 | 66.3% |
| 14 Oct 2025, 11:49 | 55.5 | 55.5% |
| 29 Sep 2025, 09:00 | 72.6 | 72.6% |
| 15 Aug 2025, 15:30 | 68.5 | 68.5% |
| 30 Jul 2025, 07:13 | 66.3 | 66.3% |
| 23 Jun 2025, 07:19 | 69.4 | 69.4% |
| 8 May 2025, 10:51 | 85.2 | 85.2% |
| 1 Apr 2025, 09:53 | 86.3 | 86.3% |
| 6 Mar 2025, 13:52 | 103.7 | 103.7% |
| 12 Feb 2025, 10:28 | 97.4 | 97.4% |
| 29 Jan 2025, 12:52 | 95.9 | 95.9% |
| 13 Dec 2024, 12:02 | 93 | 93% |
| 26 Nov 2024, 13:40 | 82.7 | 82.7% |
| 23 Oct 2024, 10:07 | 70 | 70% |
| 19 Sep 2024, 12:27 | 70.8 | 70.8% |
| 22 Aug 2024, 13:07 | 70.9 | 70.9% |
| 19 Jul 2024, 07:48 | 64.9 | 64.9% |
| 18 Jun 2024, 14:49 | 77.3 | 77.3% |
Dissolved oxygen
as O2 · code 9924 · mg/l
6.17 mg/l
Sampled 1 Sep 2026, 30 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 07:46 | 6.17 | 6.17 mg/l |
| 11 Aug 2026, 09:33 | 6.67 | 6.67 mg/l |
| 1 Jul 2026, 07:21 | 5.39 | 5.39 mg/l |
| 5 Jun 2026, 08:29 | 5.92 | 5.92 mg/l |
| 14 May 2026, 10:48 | 9.3 | 9.3 mg/l |
| 27 Apr 2026, 08:29 | 9.36 | 9.36 mg/l |
| 6 Mar 2026, 09:47 | 10.9 | 10.9 mg/l |
| 4 Feb 2026, 09:18 | 12.2 | 12.2 mg/l |
| 9 Jan 2026, 13:26 | 13.1 | 13.1 mg/l |
| 3 Dec 2025, 12:26 | 10.8 | 10.8 mg/l |
| 10 Nov 2025, 11:14 | 7.26 | 7.26 mg/l |
| 14 Oct 2025, 11:49 | 5.89 | 5.89 mg/l |
| 29 Sep 2025, 09:00 | 7.93 | 7.93 mg/l |
| 15 Aug 2025, 15:30 | 6.28 | 6.28 mg/l |
| 30 Jul 2025, 07:13 | 6.53 | 6.53 mg/l |
| 23 Jun 2025, 07:19 | 6.58 | 6.58 mg/l |
| 8 May 2025, 10:51 | 9.27 | 9.27 mg/l |
| 1 Apr 2025, 09:53 | 10.4 | 10.4 mg/l |
| 6 Mar 2025, 13:52 | 12.7 | 12.7 mg/l |
| 12 Feb 2025, 10:28 | 12.7 | 12.7 mg/l |
| 29 Jan 2025, 12:52 | 11.8 | 11.8 mg/l |
| 13 Dec 2024, 12:02 | 11.2 | 11.2 mg/l |
| 26 Nov 2024, 13:40 | 9.8 | 9.8 mg/l |
| 23 Oct 2024, 10:07 | 7.65 | 7.65 mg/l |
| 19 Sep 2024, 12:27 | 6.85 | 6.85 mg/l |
| 22 Aug 2024, 13:07 | 7.01 | 7.01 mg/l |
| 19 Jul 2024, 07:48 | 6.3 | 6.3 mg/l |
| 18 Jun 2024, 14:49 | 7.66 | 7.66 mg/l |
Water temperature
code 0076 · °C
15.3 °C
Sampled 1 Sep 2026, 30 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 07:46 | 15.3 | 15.3 °C |
| 11 Aug 2026, 09:33 | 15.4 | 15.4 °C |
| 1 Jul 2026, 07:21 | 17.5 | 17.5 °C |
| 5 Jun 2026, 08:29 | 14.2 | 14.2 °C |
| 14 May 2026, 10:48 | 8.8 | 8.8 °C |
| 27 Apr 2026, 08:29 | 9 | 9 °C |
| 6 Mar 2026, 09:47 | 7.5 | 7.5 °C |
| 4 Feb 2026, 09:18 | 5.4 | 5.4 °C |
| 9 Jan 2026, 13:26 | 4 | 4 °C |
| 3 Dec 2025, 12:26 | 7.2 | 7.2 °C |
| 10 Nov 2025, 11:14 | 11.2 | 11.2 °C |
| 14 Oct 2025, 11:49 | 12.6 | 12.6 °C |
| 29 Sep 2025, 09:00 | 11.3 | 11.3 °C |
| 15 Aug 2025, 15:30 | 19.5 | 19.5 °C |
| 30 Jul 2025, 07:13 | 16 | 16 °C |
| 23 Jun 2025, 07:19 | 17.8 | 17.8 °C |
| 8 May 2025, 10:51 | 11.5 | 11.5 °C |
| 1 Apr 2025, 09:53 | 7.3 | 7.3 °C |
| 6 Mar 2025, 13:52 | 6.5 | 6.5 °C |
| 12 Feb 2025, 10:28 | 4.3 | 4.3 °C |
| 29 Jan 2025, 12:52 | 6.5 | 6.5 °C |
| 13 Dec 2024, 12:02 | 7.3 | 7.3 °C |
| 26 Nov 2024, 13:40 | 7.9 | 7.9 °C |
| 23 Oct 2024, 10:07 | 11.3 | 11.3 °C |
| 19 Sep 2024, 12:27 | 16.8 | 16.8 °C |
| 22 Aug 2024, 13:07 | 15.8 | 15.8 °C |
| 19 Jul 2024, 07:48 | 16.7 | 16.7 °C |
| 18 Jun 2024, 14:49 | 15.7 | 15.7 °C |
pH
code 0061
8.03
Sampled 1 Sep 2026, 30 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 07:46 | 8.03 | 8.03 |
| 11 Aug 2026, 09:33 | 8.07 | 8.07 |
| 1 Jul 2026, 07:21 | 7.96 | 7.96 |
| 5 Jun 2026, 08:29 | 7.81 | 7.81 |
| 14 May 2026, 10:48 | 7.99 | 7.99 |
| 27 Apr 2026, 08:29 | 7.99 | 7.99 |
| 6 Mar 2026, 09:47 | 8.04 | 8.04 |
| 4 Feb 2026, 09:18 | 8.13 | 8.13 |
| 9 Jan 2026, 13:26 | 8.09 | 8.09 |
| 3 Dec 2025, 12:26 | 8.36 | 8.36 |
| 10 Nov 2025, 11:14 | 7.86 | 7.86 |
| 14 Oct 2025, 11:49 | 7.83 | 7.83 |
| 29 Sep 2025, 09:00 | 8.04 | 8.04 |
| 15 Aug 2025, 15:30 | 7.04 | 7.04 |
| 30 Jul 2025, 07:13 | 7.9 | 7.9 |
| 23 Jun 2025, 07:19 | 7.94 | 7.94 |
| 8 May 2025, 10:51 | 7.98 | 7.98 |
| 1 Apr 2025, 09:53 | 8.13 | 8.13 |
| 6 Mar 2025, 13:52 | 8.14 | 8.14 |
| 12 Feb 2025, 10:28 | 8.25 | 8.25 |
| 29 Jan 2025, 12:52 | 8.17 | 8.17 |
| 13 Dec 2024, 12:02 | 7.98 | 7.98 |
| 26 Nov 2024, 13:40 | 7.89 | 7.89 |
| 23 Oct 2024, 10:07 | 7.91 | 7.91 |
| 19 Sep 2024, 12:27 | 8 | 8 |
| 22 Aug 2024, 13:07 | 7.92 | 7.92 |
| 19 Jul 2024, 07:48 | 8.49 | 8.49 |
| 18 Jun 2024, 14:49 | 7.99 | 7.99 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.069 mg/l
Sampled 1 Sep 2026, 30 days ago · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 07:46 | 0.069 | 0.069 mg/l |
| 11 Aug 2026, 09:33 | 0.058 | 0.058 mg/l |
| 1 Jul 2026, 07:21 | 0.11 | 0.11 mg/l |
| 5 Jun 2026, 08:29 | 0.15 | 0.15 mg/l |
| 14 May 2026, 10:48 | 0.21 | 0.21 mg/l |
| 27 Apr 2026, 08:29 | 0.13 | 0.13 mg/l |
| 6 Mar 2026, 09:47 | 0.25 | 0.25 mg/l |
| 4 Feb 2026, 09:18 | 0.14 | 0.14 mg/l |
| 9 Jan 2026, 13:26 | 0.19 | 0.19 mg/l |
| 3 Dec 2025, 12:26 | 0.14 | 0.14 mg/l |
| 10 Nov 2025, 11:14 | 0.12 | 0.12 mg/l |
| 14 Oct 2025, 11:49 | 0.11 | 0.11 mg/l |
| 29 Sep 2025, 09:00 | 0.096 | 0.096 mg/l |
| 15 Aug 2025, 15:30 | 0.076 | 0.076 mg/l |
| 30 Jul 2025, 07:13 | 0.14 | 0.14 mg/l |
| 23 Jun 2025, 07:19 | 0.11 | 0.11 mg/l |
| 8 May 2025, 10:51 | 0.31 | 0.31 mg/l |
| 6 Mar 2025, 13:52 | 0.32 | 0.32 mg/l |
| 12 Feb 2025, 10:28 | 0.14 | 0.14 mg/l |
| 29 Jan 2025, 12:52 | 0.13 | 0.13 mg/l |
| 13 Dec 2024, 12:02 | 0.17 | 0.17 mg/l |
| 26 Nov 2024, 13:40 | 0.19 | 0.19 mg/l |
| 23 Oct 2024, 10:07 | 0.28 | 0.28 mg/l |
| 19 Sep 2024, 12:27 | 0.069 | 0.069 mg/l |
| 22 Aug 2024, 13:07 | 0.049 | 0.049 mg/l |
| 19 Jul 2024, 07:48 | 0.16 | 0.16 mg/l |
| 18 Jun 2024, 14:49 | 0.31 | 0.31 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
4.69 mg/l
Sampled 1 Sep 2026, 30 days ago · 27 results banked
Every result (27)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 07:46 | 4.69 | 4.69 mg/l |
| 11 Aug 2026, 09:33 | 5.04 | 5.04 mg/l |
| 1 Jul 2026, 07:21 | 5.18 | 5.18 mg/l |
| 5 Jun 2026, 08:29 | 5.67 | 5.67 mg/l |
| 14 May 2026, 10:48 | 7.46 | 7.46 mg/l |
| 27 Apr 2026, 08:29 | 7.18 | 7.18 mg/l |
| 6 Mar 2026, 09:47 | 9.05 | 9.05 mg/l |
| 4 Feb 2026, 09:18 | 14.9 | 14.9 mg/l |
| 9 Jan 2026, 13:26 | 15 | 15 mg/l |
| 3 Dec 2025, 12:26 | 23 | 23 mg/l |
| 10 Nov 2025, 11:14 | 5.7 | 5.7 mg/l |
| 14 Oct 2025, 11:49 | 7.23 | 7.23 mg/l |
| 29 Sep 2025, 09:00 | 7.45 | 7.45 mg/l |
| 15 Aug 2025, 15:30 | 6.6 | 6.6 mg/l |
| 30 Jul 2025, 07:13 | 6.34 | 6.34 mg/l |
| 23 Jun 2025, 07:19 | 4.29 | 4.29 mg/l |
| 8 May 2025, 10:51 | 7.04 | 7.04 mg/l |
| 6 Mar 2025, 13:52 | 9.95 | 9.95 mg/l |
| 12 Feb 2025, 10:28 | 15 | 15 mg/l |
| 29 Jan 2025, 12:52 | 14 | 14 mg/l |
| 13 Dec 2024, 12:02 | 12 | 12 mg/l |
| 26 Nov 2024, 13:40 | 8.95 | 8.95 mg/l |
| 23 Oct 2024, 10:07 | 7.09 | 7.09 mg/l |
| 19 Sep 2024, 12:27 | 8.53 | 8.53 mg/l |
| 22 Aug 2024, 13:07 | 7.59 | 7.59 mg/l |
| 19 Jul 2024, 07:48 | 6.78 | 6.78 mg/l |
| 18 Jun 2024, 14:49 | 7.08 | 7.08 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.23 mg/l
Sampled 1 Sep 2026, 30 days ago · 26 results banked
Every result (26)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 07:46 | 0.23 | 0.23 mg/l |
| 1 Jul 2026, 07:21 | 0.33 | 0.33 mg/l |
| 5 Jun 2026, 08:29 | 0.24 | 0.24 mg/l |
| 14 May 2026, 10:48 | 0.17 | 0.17 mg/l |
| 27 Apr 2026, 08:29 | 0.088 | 0.088 mg/l |
| 6 Mar 2026, 09:47 | 0.17 | 0.17 mg/l |
| 4 Feb 2026, 09:18 | 0.11 | 0.11 mg/l |
| 9 Jan 2026, 13:26 | 0.18 | 0.18 mg/l |
| 3 Dec 2025, 12:26 | 0.19 | 0.19 mg/l |
| 10 Nov 2025, 11:14 | 0.28 | 0.28 mg/l |
| 14 Oct 2025, 11:49 | 0.26 | 0.26 mg/l |
| 29 Sep 2025, 09:00 | 0.24 | 0.24 mg/l |
| 15 Aug 2025, 15:30 | 0.2 | 0.2 mg/l |
| 30 Jul 2025, 07:13 | 0.34 | 0.34 mg/l |
| 23 Jun 2025, 07:19 | 0.7 | 0.7 mg/l |
| 8 May 2025, 10:51 | 0.15 | 0.15 mg/l |
| 6 Mar 2025, 13:52 | 0.14 | 0.14 mg/l |
| 12 Feb 2025, 10:28 | 0.099 | 0.099 mg/l |
| 29 Jan 2025, 12:52 | 0.13 | 0.13 mg/l |
| 13 Dec 2024, 12:02 | 0.13 | 0.13 mg/l |
| 26 Nov 2024, 13:40 | 0.27 | 0.27 mg/l |
| 23 Oct 2024, 10:07 | 0.24 | 0.24 mg/l |
| 19 Sep 2024, 12:27 | 0.24 | 0.24 mg/l |
| 22 Aug 2024, 13:07 | 0.21 | 0.21 mg/l |
| 19 Jul 2024, 07:48 | 0.31 | 0.31 mg/l |
| 18 Jun 2024, 14:49 | 0.22 | 0.22 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
848 µS/cm
Sampled 1 Sep 2026, 30 days ago · 28 results banked
Every result (28)
| Sampled | Result as published | Reads as |
|---|---|---|
| 1 Sep 2026, 07:46 | 848 | 848 µS/cm |
| 11 Aug 2026, 09:33 | 917 | 917 µS/cm |
| 1 Jul 2026, 07:21 | 970 | 970 µS/cm |
| 5 Jun 2026, 08:29 | 902 | 902 µS/cm |
| 14 May 2026, 10:48 | 926 | 926 µS/cm |
| 27 Apr 2026, 08:29 | 925 | 925 µS/cm |
| 6 Mar 2026, 09:47 | 904 | 904 µS/cm |
| 4 Feb 2026, 09:18 | 826 | 826 µS/cm |
| 9 Jan 2026, 13:26 | 596 | 596 µS/cm |
| 3 Dec 2025, 12:26 | 1123 | 1123 µS/cm |
| 10 Nov 2025, 11:14 | 1024 | 1024 µS/cm |
| 14 Oct 2025, 11:49 | 969 | 969 µS/cm |
| 29 Sep 2025, 09:00 | 1294 | 1294 µS/cm |
| 15 Aug 2025, 15:30 | 922 | 922 µS/cm |
| 30 Jul 2025, 07:13 | 919 | 919 µS/cm |
| 23 Jun 2025, 07:19 | 920 | 920 µS/cm |
| 8 May 2025, 10:51 | 954 | 954 µS/cm |
| 1 Apr 2025, 09:53 | 912 | 912 µS/cm |
| 6 Mar 2025, 13:52 | 942 | 942 µS/cm |
| 12 Feb 2025, 10:28 | 850 | 850 µS/cm |
| 29 Jan 2025, 12:52 | 724 | 724 µS/cm |
| 13 Dec 2024, 12:02 | 859 | 859 µS/cm |
| 26 Nov 2024, 13:40 | 947 | 947 µS/cm |
| 23 Oct 2024, 10:07 | 922 | 922 µS/cm |
| 19 Sep 2024, 12:27 | 952 | 952 µS/cm |
| 22 Aug 2024, 13:07 | 954 | 954 µS/cm |
| 19 Jul 2024, 07:48 | 2311 | 2311 µS/cm |
| 18 Jun 2024, 14:49 | 928 | 928 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 | 28 | Jun 2024 – Sep 2026 | 61.7% 1 Sep 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 28 | Jun 2024 – Sep 2026 | 6.17 mg/l 1 Sep 2026 |
| Temperature of Water 0076 | River water | 28 | Jun 2024 – Sep 2026 | 15.3 °C 1 Sep 2026 |
| pH 0061 | River water | 28 | Jun 2024 – Sep 2026 | 8.03 1 Sep 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 27 | Jun 2024 – Sep 2026 | 0.069 mg/l 1 Sep 2026 |
| Nitrate as N 0117 | River water | 27 | Jun 2024 – Sep 2026 | 4.69 mg/l 1 Sep 2026 |
| Orthophosphate, reactive as P 0180 | River water | 26 | Jun 2024 – Sep 2026 | 0.23 mg/l 1 Sep 2026 |
| Conductivity at 25 C 0077 | River water | 28 | Jun 2024 – Sep 2026 | 848 µS/cm 1 Sep 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 27 | Jun 2024 – Sep 2026 | 270 mg/l 1 Sep 2026 |
| Ammonia un-ionised as N 0119 | River water | 27 | Jun 2024 – Sep 2026 | 0.00185 mg/l 1 Sep 2026 |
| BOD : 5 Day ATU 0085 | River water | 23 | Jun 2024 – May 2026 | 1.6 mg/l 14 May 2026 |
| Nitrite as N 0118 | River water | 27 | Jun 2024 – Sep 2026 | 0.11 mg/l 1 Sep 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 27 | Jun 2024 – Sep 2026 | 4.8 mg/l 1 Sep 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.