Chyandour Brook at A30 Bridge Chyandour
EA name: CHYANDOUR BROOK AT A30 BRIDGE CHYANDOUR (also listed as “CHYANDOUR BROOK AT A.30 BRIDGE AT CHYANDOUR”)
Environment Agency sampling point SW-82111803 · 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
- 18 Sep 2026, 11:4613 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 59 since 3 May 2024 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Planned investigation (local monitoring) · results completed 22 Sep 2026
- Where
- National Grid 147850, 31020As published, to the nearest 10 m. Open in a map
- River, by its own name
- Chyandour Brook
- River, by the map
- Chyandour BrookPlaced on the river its name gives, 88 m from the line. A tidal reach: water runs both ways, so no gauge order is claimed.
- Next gauge downstream
- Not known
- Why it was sampled
- Planned investigation (local monitoring) (59 samples)
Results here were completed a median of 4 days after the sample was taken (4 to 12 days, 23 samples).
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
100.7%
Sampled 4 Nov 2025, 11 months ago · 1 result banked
Every result (1)
| Sampled | Result as published | Reads as |
|---|---|---|
| 4 Nov 2025, 13:30 | 100.7 | 100.7% |
Water temperature
code 0076 · °C
13.4 °C
Sampled 4 Nov 2025, 11 months ago · 1 result banked
Every result (1)
| Sampled | Result as published | Reads as |
|---|---|---|
| 4 Nov 2025, 13:30 | 13.4 | 13.4 °C |
pH
code 0061
7.09
Sampled 4 Nov 2025, 11 months ago · 1 result banked
Every result (1)
| Sampled | Result as published | Reads as |
|---|---|---|
| 4 Nov 2025, 13:30 | 7.09 | 7.09 |
Conductivity
at 25 °C · code 0077 · µS/cm
182 µS/cm
Sampled 4 Nov 2025, 11 months ago · 1 result banked
Every result (1)
| Sampled | Result as published | Reads as |
|---|---|---|
| 4 Nov 2025, 13:30 | 182 | 182 µS/cm |
E. coli
confirmed, membrane filtration · code 2348 · per 100 ml
11000 per 100 ml
Sampled 18 Sep 2026, 13 days ago · 59 results banked
Every result (59)
| Sampled | Result as published | Reads as |
|---|---|---|
| 18 Sep 2026, 11:46 | 11000 | 11000 per 100 ml |
| 8 Sep 2026, 11:27 | 12000 | 12000 per 100 ml |
| 4 Sep 2026, 11:37 | 2100 | 2100 per 100 ml |
| 27 Aug 2026, 12:36 | 7400 | 7400 per 100 ml |
| 18 Aug 2026, 10:43 | 360 | 360 per 100 ml |
| 13 Aug 2026, 11:22 | 700 | 700 per 100 ml |
| 2 Aug 2026, 10:12 | 980 | 980 per 100 ml |
| 29 Jul 2026, 11:17 | 1500 | 1500 per 100 ml |
| 20 Jul 2026, 11:35 | 2300 | 2300 per 100 ml |
| 13 Jul 2026, 13:19 | 1500 | 1500 per 100 ml |
| 7 Jul 2026, 12:49 | 550 | 550 per 100 ml |
| 1 Jul 2026, 14:36 | 910 | 910 per 100 ml |
| 23 Jun 2026, 11:18 | 690 | 690 per 100 ml |
| 8 Jun 2026, 10:50 | 3000 | 3000 per 100 ml |
| 4 Jun 2026, 11:40 | 3300 | 3300 per 100 ml |
| 27 May 2026, 13:05 | 880 | 880 per 100 ml |
| 21 May 2026, 12:47 | 290 | 290 per 100 ml |
| 16 May 2026, 13:03 | 2900 | 2900 per 100 ml |
| 4 Nov 2025, 13:30 | 10000 | 10000 per 100 ml |
| 16 Sep 2025, 11:45 | 770 | 770 per 100 ml |
| 12 Sep 2025, 11:11 | 20000 | 20000 per 100 ml |
| 1 Sep 2025, 10:47 | 5600 | 5600 per 100 ml |
| 29 Aug 2025, 12:06 | 5800 | 5800 per 100 ml |
| 21 Aug 2025, 11:20 | 1200 | 1200 per 100 ml |
| 11 Aug 2025, 12:05 | 1000 | 1000 per 100 ml |
| 7 Aug 2025, 11:25 | 10000 | 10000 per 100 ml |
| 30 Jul 2025, 11:10 | 700 | 700 per 100 ml |
| 24 Jul 2025, 11:15 | 970 | 970 per 100 ml |
| 13 Jul 2025, 11:30 | 9200 | 9200 per 100 ml |
| 9 Jul 2025, 10:57 | 26000 | 26000 per 100 ml |
| 30 Jun 2025, 11:50 | 3400 | 3400 per 100 ml |
| 23 Jun 2025, 11:45 | 390 | 390 per 100 ml |
| 17 Jun 2025, 11:45 | 12000 | 12000 per 100 ml |
| 11 Jun 2025, 10:38 | 33000 | 33000 per 100 ml |
| 6 Jun 2025, 10:13 | 4000 | 4000 per 100 ml |
| 29 May 2025, 11:48 | 3800 | 3800 per 100 ml |
| 24 May 2025, 12:07 | 20000 | 20000 per 100 ml |
| 20 May 2025, 11:33 | 6100 | 6100 per 100 ml |
| 6 May 2025, 11:40 | 5700 | 5700 per 100 ml |
| 19 Sep 2024, 12:06 | 1800 | 1800 per 100 ml |
| 9 Sep 2024, 11:15 | 2300 | 2300 per 100 ml |
| 4 Sep 2024, 10:35 | 60000 | 60000 per 100 ml |
| 28 Aug 2024, 11:06 | 11000 | 11000 per 100 ml |
| 22 Aug 2024, 10:51 | 3400 | 3400 per 100 ml |
| 12 Aug 2024, 11:03 | 2400 | 2400 per 100 ml |
| 8 Aug 2024, 10:49 | 23000 | 23000 per 100 ml |
| 3 Aug 2024, 11:45 | 500 | 500 per 100 ml |
| 26 Jul 2024, 11:11 | 620 | 620 per 100 ml |
| 19 Jul 2024, 11:37 | 3100 | 3100 per 100 ml |
| 11 Jul 2024, 10:58 | 5300 | 5300 per 100 ml |
| 7 Jul 2024, 10:45 | 1900 | 1900 per 100 ml |
| 27 Jun 2024, 11:30 | 1600 | 1600 per 100 ml |
| 19 Jun 2024, 11:02 | 2100 | 2100 per 100 ml |
| 12 Jun 2024, 11:00 | 2200 | 2200 per 100 ml |
| 7 Jun 2024, 11:05 | 480 | 480 per 100 ml |
| 28 May 2024, 10:55 | 2000 | 2000 per 100 ml |
| 22 May 2024, 11:50 | 760 | 760 per 100 ml |
| 17 May 2024, 11:32 | 1400 | 1400 per 100 ml |
| 3 May 2024, 12:04 | 16000 | 16000 per 100 ml |
Everything measured here
18 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 18 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 1 | Nov 2025 – Nov 2025 | 100.7% 4 Nov 2025 |
| Temperature of Water 0076 | River water | 1 | Nov 2025 – Nov 2025 | 13.4 °C 4 Nov 2025 |
| pH 0061 | River water | 1 | Nov 2025 – Nov 2025 | 7.09 4 Nov 2025 |
| Conductivity at 25 C 0077 | River water | 1 | Nov 2025 – Nov 2025 | 182 µS/cm 4 Nov 2025 |
| Escherichia coli : Confirmed : MF 2348 | River water | 59 | May 2024 – Sep 2026 | 11000 per 100 ml 18 Sep 2026 |
| Bacteroides HF183 primer 5886 | River water | 4 | May 2025 – Jul 2025 | Present / 100ml 9 Jul 2025 |
| Bacteroidetes Marker : Human copy number 3820 | River water | 4 | May 2025 – Jul 2025 | 6.1 log (10) gene copies / 100ml 9 Jul 2025 |
| Bacteroidetes Marker : Ruminant 4906 | River water | 4 | May 2025 – Jul 2025 | Not found in test 9 Jul 2025 |
| Bacteroidetes Marker : Ruminant copy number 3819 | River water | 4 | May 2025 – Jul 2025 | below 2 log (10) gene copies / 100ml 9 Jul 2025 |
| Catellicoccus Marker : Seabird 3120 | River water | 4 | May 2025 – Jul 2025 | Present 9 Jul 2025 |
| Catellicoccus Marker : Seabird Copy Number 3116 | River water | 4 | May 2025 – Jul 2025 | below 2 log (10) gene copies / 100ml 9 Jul 2025 |
| Enterococci: Intestinal: Presumptive: MF 3722 | River water | 59 | May 2024 – Sep 2026 | 14000 colony forming units / 100ml 18 Sep 2026 |
| Microbial Source Tracking 4876 | River water | 4 | May 2025 – Jul 2025 | 1 text result 9 Jul 2025 |
| Mitochondrial Marker : Canine 4870 | River water | 4 | May 2025 – Jul 2025 | Present 9 Jul 2025 |
| Mitochrondrial Marker: Canine copy number 3816 | River water | 4 | May 2025 – Jul 2025 | 2.2 log (10) gene copies / 100ml 9 Jul 2025 |
| MST Filtration 4926 | River water | 59 | May 2024 – Sep 2026 | DNA Stored 18 Sep 2026 |
| Preparation: DNA 5923 | River water | 4 | May 2025 – Jul 2025 | Done 9 Jul 2025 |
| Volume of Sample Filtered 4865 | River water | 59 | May 2024 – Sep 2026 | 950 millilitre 18 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.