Caerhays Stream at 2nd Footbridge

EA name: CAERHAYS STREAM AT 2ND FOOTBRIDGE
Environment Agency sampling point SW-81811111 · 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 Sep 2026, 13:3710 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
60 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 25 Sep 2026
Where
National Grid 197392, 41730As published, to the nearest 1 m. Open in a map
River, by its own name
Caerhays Stream
River, by the map
An unnamed streamPlaced by position alone (the only river line close by), 9 m from the line.
Next gauge downstream
None tracedThe map stops before any gauge.
Why it was sampled
Planned investigation (local monitoring) (60 samples)

Results here were completed a median of 4 days after the sample was taken (4 to 7 days, 24 samples).

Main measurements, river water

E. coli

confirmed, membrane filtration · code 2348 · per 100 ml

9000 per 100 ml

Sampled 21 Sep 2026, 10 days ago · 60 results banked

0200004000060000per 100 ml2024202520263 May 2024, 14:46: 3500 per 100 ml17 May 2024, 12:17: 460 per 100 ml25 May 2024, 12:33: 360 per 100 ml31 May 2024, 11:20: 440 per 100 ml4 Jun 2024, 13:01: 540 per 100 ml11 Jun 2024, 13:38: 910 per 100 ml17 Jun 2024, 11:40: 530 per 100 ml24 Jun 2024, 12:27: 2000 per 100 ml3 Jul 2024, 13:06: 660 per 100 ml8 Jul 2024, 11:41: 2200 per 100 ml21 Jul 2024, 14:30: 1200 per 100 ml24 Jul 2024, 11:25: 910 per 100 ml29 Jul 2024, 14:57: 2900 per 100 ml8 Aug 2024, 13:00: 18000 per 100 ml13 Aug 2024, 13:52: 21000 per 100 ml23 Aug 2024, 12:01: 22000 per 100 ml26 Aug 2024, 12:20: 12000 per 100 ml3 Sep 2024, 13:30: 27000 per 100 ml10 Sep 2024, 12:49: 4200 per 100 ml20 Sep 2024, 12:45: 7400 per 100 ml3 May 2025, 12:20: 780 per 100 ml18 May 2025, 11:25: 350 per 100 ml23 May 2025, 12:30: 450 per 100 ml28 May 2025, 12:10: 1400 per 100 ml3 Jun 2025, 11:40: 2200 per 100 ml9 Jun 2025, 12:33: 2000 per 100 ml22 Jun 2025, 12:05: 1500 per 100 ml27 Jun 2025, 11:58: 3300 per 100 ml2 Jul 2025, 12:50: 2000 per 100 ml11 Jul 2025, 11:18: 11000 per 100 ml15 Jul 2025, 12:20: 15000 per 100 ml21 Jul 2025, 12:45: 9100 per 100 ml1 Aug 2025, 11:35: 38000 per 100 ml5 Aug 2025, 13:31: 41000 per 100 ml15 Aug 2025, 10:35: 25000 per 100 ml19 Aug 2025, 15:15: 43000 per 100 ml28 Aug 2025, 10:46: 26000 per 100 ml4 Sep 2025, 11:13: 8900 per 100 ml8 Sep 2025, 13:39: 6500 per 100 ml17 Sep 2025, 11:35: 11000 per 100 ml16 May 2026, 12:40: 440 per 100 ml21 May 2026, 12:10: 330 per 100 ml27 May 2026, 12:12: 860 per 100 ml1 Jun 2026, 11:34: 1100 per 100 ml8 Jun 2026, 14:31: 1500 per 100 ml18 Jun 2026, 11:40: 520 per 100 ml23 Jun 2026, 12:00: 2700 per 100 ml30 Jun 2026, 11:04: 5200 per 100 ml10 Jul 2026, 11:25: 950 per 100 ml14 Jul 2026, 11:16: 1100 per 100 ml20 Jul 2026, 14:00: 910 per 100 ml26 Jul 2026, 11:00: 1500 per 100 ml6 Aug 2026, 14:36: 2400 per 100 ml14 Aug 2026, 11:45: 6600 per 100 ml18 Aug 2026, 12:53: 7900 per 100 ml26 Aug 2026, 13:26: 14000 per 100 ml3 Sep 2026, 12:21: 4100 per 100 ml9 Sep 2026, 10:47: 54000 per 100 ml16 Sep 2026, 13:40: 28000 per 100 ml21 Sep 2026, 13:37: 9000 per 100 ml
Every result (60)
SampledResult as publishedReads as
21 Sep 2026, 13:379000 9000 per 100 ml
16 Sep 2026, 13:4028000 28000 per 100 ml
9 Sep 2026, 10:4754000 54000 per 100 ml
3 Sep 2026, 12:214100 4100 per 100 ml
26 Aug 2026, 13:2614000 14000 per 100 ml
18 Aug 2026, 12:537900 7900 per 100 ml
14 Aug 2026, 11:456600 6600 per 100 ml
6 Aug 2026, 14:362400 2400 per 100 ml
26 Jul 2026, 11:001500 1500 per 100 ml
20 Jul 2026, 14:00910 910 per 100 ml
14 Jul 2026, 11:161100 1100 per 100 ml
10 Jul 2026, 11:25950 950 per 100 ml
30 Jun 2026, 11:045200 5200 per 100 ml
23 Jun 2026, 12:002700 2700 per 100 ml
18 Jun 2026, 11:40520 520 per 100 ml
8 Jun 2026, 14:311500 1500 per 100 ml
1 Jun 2026, 11:341100 1100 per 100 ml
27 May 2026, 12:12860 860 per 100 ml
21 May 2026, 12:10330 330 per 100 ml
16 May 2026, 12:40440 440 per 100 ml
17 Sep 2025, 11:3511000 11000 per 100 ml
8 Sep 2025, 13:396500 6500 per 100 ml
4 Sep 2025, 11:138900 8900 per 100 ml
28 Aug 2025, 10:4626000 26000 per 100 ml
19 Aug 2025, 15:1543000 43000 per 100 ml
15 Aug 2025, 10:3525000 25000 per 100 ml
5 Aug 2025, 13:3141000 41000 per 100 ml
1 Aug 2025, 11:3538000 38000 per 100 ml
21 Jul 2025, 12:459100 9100 per 100 ml
15 Jul 2025, 12:2015000 15000 per 100 ml
11 Jul 2025, 11:1811000 11000 per 100 ml
2 Jul 2025, 12:502000 2000 per 100 ml
27 Jun 2025, 11:583300 3300 per 100 ml
22 Jun 2025, 12:051500 1500 per 100 ml
9 Jun 2025, 12:332000 2000 per 100 ml
3 Jun 2025, 11:402200 2200 per 100 ml
28 May 2025, 12:101400 1400 per 100 ml
23 May 2025, 12:30450 450 per 100 ml
18 May 2025, 11:25350 350 per 100 ml
3 May 2025, 12:20780 780 per 100 ml
20 Sep 2024, 12:457400 7400 per 100 ml
10 Sep 2024, 12:494200 4200 per 100 ml
3 Sep 2024, 13:3027000 27000 per 100 ml
26 Aug 2024, 12:2012000 12000 per 100 ml
23 Aug 2024, 12:0122000 22000 per 100 ml
13 Aug 2024, 13:5221000 21000 per 100 ml
8 Aug 2024, 13:0018000 18000 per 100 ml
29 Jul 2024, 14:572900 2900 per 100 ml
24 Jul 2024, 11:25910 910 per 100 ml
21 Jul 2024, 14:301200 1200 per 100 ml
8 Jul 2024, 11:412200 2200 per 100 ml
3 Jul 2024, 13:06660 660 per 100 ml
24 Jun 2024, 12:272000 2000 per 100 ml
17 Jun 2024, 11:40530 530 per 100 ml
11 Jun 2024, 13:38910 910 per 100 ml
4 Jun 2024, 13:01540 540 per 100 ml
31 May 2024, 11:20440 440 per 100 ml
25 May 2024, 12:33360 360 per 100 ml
17 May 2024, 12:17460 460 per 100 ml
3 May 2024, 14:463500 3500 per 100 ml

Everything measured here

10 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 10 rows
DeterminandMaterialResults First – lastLatest result
Escherichia coli : Confirmed : MF 2348 River water 60 May 2024 – Sep 2026 9000 per 100 ml 21 Sep 2026
Bacteroides HF183 primer 5886 River water 3 Aug 2024 – Aug 2024 Present / 100ml 23 Aug 2024
Bacteroidetes Marker : Human copy number 3820 River water 3 Aug 2024 – Aug 2024 3.7 log (10) gene copies / 100ml 23 Aug 2024
Bacteroidetes Marker : Ruminant 4906 River water 3 Aug 2024 – Aug 2024 Present 23 Aug 2024
Bacteroidetes Marker : Ruminant copy number 3819 River water 3 Aug 2024 – Aug 2024 5.1 log (10) gene copies / 100ml 23 Aug 2024
Enterococci: Intestinal: Presumptive: MF 3722 River water 60 May 2024 – Sep 2026 8700 colony forming units / 100ml 21 Sep 2026
Microbial Source Tracking 4876 River water 3 Aug 2024 – Aug 2024 1 text result 23 Aug 2024
MST Filtration 4926 River water 57 May 2024 – Sep 2026 DNA Stored 21 Sep 2026
Preparation: DNA 5923 River water 3 Aug 2024 – Aug 2024 Done 23 Aug 2024
Volume of Sample Filtered 4865 River water 57 May 2024 – Sep 2026 920 millilitre 21 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.