Challaborough Stream at Beach
EA name: CHALLABOROUGH STREAM AT BEACH (also listed as “CHALLABOROUGH BEACH - STREAM A (BEACH SURVEY)”)
Environment Agency sampling point SW-70817003 · 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
- 20 Sep 2026, 10:4611 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 42 since 7 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 24 Sep 2026
- Where
- National Grid 264850, 44918As published, to the nearest 1 m. Open in a map
- River, by its own name
- Challaborough Stream
- River, by the map
- An unnamed streamPlaced by position alone (the only river line close by), 6 m from the line.
- Next gauge downstream
- None tracedThe map stops before any gauge.
- Why it was sampled
- Planned investigation (local monitoring) (42 samples)
Results here were completed a median of 4 days after the sample was taken (4 to 13 days, 15 samples).
Main measurements, river water
E. coli
confirmed, membrane filtration · code 2348 · per 100 ml
110 per 100 ml
Sampled 20 Sep 2026, 11 days ago · 42 results banked
Every result (42)
| Sampled | Result as published | Reads as |
|---|---|---|
| 20 Sep 2026, 10:46 | 110 | 110 per 100 ml |
| 8 Sep 2026, 13:30 | 9100 | 9100 per 100 ml |
| 1 Sep 2026, 13:05 | 390 | 390 per 100 ml |
| 26 Aug 2026, 12:56 | 170 | 170 per 100 ml |
| 11 Aug 2026, 13:43 | 84000 | 84000 per 100 ml |
| 5 Aug 2026, 16:30 | 45 | 45 per 100 ml |
| 21 Jul 2026, 12:55 | 410 | 410 per 100 ml |
| 15 Jul 2026, 12:11 | 620 | 620 per 100 ml |
| 9 Jul 2026, 11:37 | 300 | 300 per 100 ml |
| 3 Jul 2026, 11:30 | 270 | 270 per 100 ml |
| 25 Jun 2026, 13:15 | 310 | 310 per 100 ml |
| 17 Jun 2026, 11:01 | 8600 | 8600 per 100 ml |
| 30 May 2026, 10:54 | 360 | 360 per 100 ml |
| 20 May 2026, 11:06 | 500 | 500 per 100 ml |
| 14 Sep 2025, 12:05 | 590 | 590 per 100 ml |
| 20 Aug 2025, 12:01 | 150 | 150 per 100 ml |
| 7 Aug 2025, 14:53 | 130 | 130 per 100 ml |
| 24 Jul 2025, 12:37 | 530 | 530 per 100 ml |
| 10 Jul 2025, 13:06 | 250 | 250 per 100 ml |
| 26 Jun 2025, 10:59 | 3400 | 3400 per 100 ml |
| 12 Jun 2025, 11:49 | 71000 | 71000 per 100 ml |
| 1 Jun 2025, 11:01 | 230 | 230 per 100 ml |
| 21 May 2025, 12:07 | 1000 | 1000 per 100 ml |
| 1 May 2025, 11:00 | 17000 | 17000 per 100 ml |
| 24 Sep 2024, 13:30 | 8500 | 8500 per 100 ml |
| 19 Sep 2024, 11:27 | 99 | 99 per 100 ml |
| 12 Sep 2024, 13:09 | 81 | 81 per 100 ml |
| 2 Sep 2024, 12:32 | 380 | 380 per 100 ml |
| 28 Aug 2024, 11:40 | 390 | 390 per 100 ml |
| 21 Aug 2024, 13:16 | 180 | 180 per 100 ml |
| 6 Aug 2024, 13:37 | 1100 | 1100 per 100 ml |
| 3 Aug 2024, 11:34 | 120 | 120 per 100 ml |
| 24 Jul 2024, 14:45 | 200 | 200 per 100 ml |
| 17 Jul 2024, 11:05 | 140 | 140 per 100 ml |
| 6 Jul 2024, 11:20 | 650 | 650 per 100 ml |
| 25 Jun 2024, 13:47 | 280 | 280 per 100 ml |
| 11 Jun 2024, 12:42 | 300 | 300 per 100 ml |
| 5 Jun 2024, 13:27 | 600 | 600 per 100 ml |
| 29 May 2024, 14:14 | 460 | 460 per 100 ml |
| 23 May 2024, 15:19 | 840 | 840 per 100 ml |
| 15 May 2024, 12:01 | 210 | 210 per 100 ml |
| 7 May 2024, 14:10 | 120 | 120 per 100 ml |
Everything measured here
5 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 5 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Escherichia coli : Confirmed : MF 2348 | River water | 42 | May 2024 – Sep 2026 | 110 per 100 ml 20 Sep 2026 |
| Enterococci: Intestinal: Presumptive: MF 3722 | River water | 42 | May 2024 – Sep 2026 | 330 colony forming units / 100ml 20 Sep 2026 |
| MST Filtration 4926 | River water | 11 | Jul 2024 – Sep 2024 | DNA Stored 24 Sep 2024 |
| Salinity : In Situ 7608 | River water | 41 | May 2024 – Sep 2026 | 0.25 parts per thousand 20 Sep 2026 |
| Volume of Sample Filtered 4865 | River water | 11 | Jul 2024 – Sep 2024 | 820 millilitre 24 Sep 2024 |
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.