Treesmill Stream at A3082 Bridge
EA name: TREESMILL STREAM AT A3082 BRIDGE
Environment Agency sampling point SW-81610303 · 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, 12:2210 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 50 since 12 Jan 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 207548, 53581As published, to the nearest 1 m. Open in a map
- River, by its own name
- Treesmill Stream
- River, by the map
- Treesmill StreamPlaced on the river its name gives, 0 m from the line.
- Next gauge downstream
- None tracedIts water reaches the sea without passing a gauge.
- Why it was sampled
- Planned investigation (local monitoring) (41 samples)
Monitoring (national agency policy) (6 samples)
Statutory failures (follow ups at non-designated points) (2 samples)
Results here were completed a median of 4 days after the sample was taken (4 to 104 days, 25 samples).
Main measurements, river water
pH
code 0061
7.2
Sampled 27 Mar 2024, 2.5 years ago · 6 results banked
Every result (6)
| Sampled | Result as published | Reads as |
|---|---|---|
| 27 Mar 2024, 11:53 | 7.2 | 7.2 |
| 14 Mar 2024, 11:24 | 7.14 | 7.14 |
| 14 Feb 2024, 10:50 | 7.19 | 7.19 |
| 7 Feb 2024, 11:01 | 7.02 | 7.02 |
| 23 Jan 2024, 11:22 | 7.06 | 7.06 |
| 12 Jan 2024, 12:20 | 7.05 | 7.05 |
E. coli
confirmed, membrane filtration · code 2348 · per 100 ml
2400 per 100 ml
Sampled 21 Sep 2026, 10 days ago · 44 results banked
Every result (44)
| Sampled | Result as published | Reads as |
|---|---|---|
| 21 Sep 2026, 12:22 | 2400 | 2400 per 100 ml |
| 17 Sep 2026, 12:53 | 6300 | 6300 per 100 ml |
| 9 Sep 2026, 13:29 | 15000 | 15000 per 100 ml |
| 1 Sep 2026, 12:21 | 1300 | 1300 per 100 ml |
| 26 Aug 2026, 12:15 | 5600 | 5600 per 100 ml |
| 20 Aug 2026, 12:26 | 2600 | 2600 per 100 ml |
| 14 Aug 2026, 14:55 | 5000 | 5000 per 100 ml |
| 5 Aug 2026, 11:54 | 4300 | 4300 per 100 ml |
| 27 Jul 2026, 11:45 | 4100 | 4100 per 100 ml |
| 19 Jul 2026, 12:04 | 2000 | 2000 per 100 ml |
| 14 Jul 2026, 11:35 | 8400 | 8400 per 100 ml |
| 6 Jul 2026, 12:55 | 10000 | 10000 per 100 ml |
| 26 Jun 2026, 13:38 | 220 | 220 per 100 ml |
| 20 Jun 2026, 12:12 | 33000 | 33000 per 100 ml |
| 15 Jun 2026, 12:06 | 3500 | 3500 per 100 ml |
| 15 Jun 2026, 11:03 | 2800 | 2800 per 100 ml |
| 10 Jun 2026, 14:13 | 4800 | 4800 per 100 ml |
| 1 Jun 2026, 14:58 | 7700 | 7700 per 100 ml |
| 26 May 2026, 15:47 | 2100 | 2100 per 100 ml |
| 20 May 2026, 12:35 | 3100 | 3100 per 100 ml |
| 15 May 2026, 12:54 | 1100 | 1100 per 100 ml |
| 15 Sep 2025, 12:53 | 2100 | 2100 per 100 ml |
| 11 Sep 2025, 11:59 | 1500 | 1500 per 100 ml |
| 5 Sep 2025, 13:28 | 840 | 840 per 100 ml |
| 31 Aug 2025, 12:25 | 3500 | 3500 per 100 ml |
| 18 Aug 2025, 10:40 | 54 | 54 per 100 ml |
| 13 Aug 2025, 12:35 | 5600 | 5600 per 100 ml |
| 6 Aug 2025, 11:45 | 4100 | 4100 per 100 ml |
| 28 Jul 2025, 12:46 | 2100 | 2100 per 100 ml |
| 22 Jul 2025, 10:45 | 780 | 780 per 100 ml |
| 16 Jul 2025, 13:15 | 390 | 390 per 100 ml |
| 10 Jul 2025, 14:06 | 2500 | 2500 per 100 ml |
| 1 Jul 2025, 12:35 | 4200 | 4200 per 100 ml |
| 25 Jun 2025, 12:39 | 36 | 36 per 100 ml |
| 16 Jun 2025, 13:00 | 340 | 340 per 100 ml |
| 10 Jun 2025, 12:53 | 820 | 820 per 100 ml |
| 5 Jun 2025, 11:36 | 4400 | 4400 per 100 ml |
| 30 May 2025, 12:40 | 4100 | 4100 per 100 ml |
| 25 May 2025, 12:27 | 5100 | 5100 per 100 ml |
| 16 May 2025, 12:25 | 2800 | 2800 per 100 ml |
| 13 May 2025, 12:50 | 4300 | 4300 per 100 ml |
| 1 May 2025, 11:45 | 7600 | 7600 per 100 ml |
| 30 Sep 2024, 10:04 | 7600 | 7600 per 100 ml |
| 25 Sep 2024, 12:20 | 5900 | 5900 per 100 ml |
Everything measured here
26 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 26 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| pH 0061 | River water | 6 | Jan 2024 – Mar 2024 | 7.2 27 Mar 2024 |
| Escherichia coli : Confirmed : MF 2348 | River water | 44 | Sep 2024 – Sep 2026 | 2400 per 100 ml 21 Sep 2026 |
| Aluminium, Dissolved 6037 | River water | 6 | Jan 2024 – Mar 2024 | 15 µg/l 27 Mar 2024 |
| Bacteroides HF183 primer 5886 | River water | 7 | Sep 2024 – Jun 2026 | Present / 100ml 20 Jun 2026 |
| Bacteroidetes Marker : Human copy number 3820 | River water | 7 | Sep 2024 – Jun 2026 | 5.8 log (10) gene copies / 100ml 20 Jun 2026 |
| Bacteroidetes Marker : Ruminant 4906 | River water | 7 | Sep 2024 – Jun 2026 | Present 20 Jun 2026 |
| Bacteroidetes Marker : Ruminant copy number 3819 | River water | 7 | Sep 2024 – Jun 2026 | 3.7 log (10) gene copies / 100ml 20 Jun 2026 |
| Cadmium, Dissolved 0106 | River water | 6 | Jan 2024 – Mar 2024 | 0.079 µg/l 27 Mar 2024 |
| Calcium, Dissolved 0239 | River water | 6 | Jan 2024 – Mar 2024 | 23 mg/l 27 Mar 2024 |
| Carbon, Organic, Dissolved as C :- {DOC} 0301 | River water | 6 | Jan 2024 – Mar 2024 | 2.3 mg/l 27 Mar 2024 |
| Catellicoccus Marker : Seabird 3120 | River water | 5 | Jun 2025 – Jun 2026 | Present 20 Jun 2026 |
| Catellicoccus Marker : Seabird Copy Number 3116 | River water | 5 | Jun 2025 – Jun 2026 | 3.4 log (10) gene copies / 100ml 20 Jun 2026 |
| Chromium, Dissolved 3409 | River water | 6 | Jan 2024 – Mar 2024 | below 0.5 µg/l 27 Mar 2024 |
| Copper, Dissolved 6450 | River water | 6 | Jan 2024 – Mar 2024 | 5.4 µg/l 27 Mar 2024 |
| Enterococci: Intestinal: Confirmed: MF 3723 | River water | 1 | May 2025 – May 2025 | 1000 colony forming units / 100ml 13 May 2025 |
| Enterococci: Intestinal: Presumptive: MF 3722 | River water | 44 | Sep 2024 – Sep 2026 | 1100 colony forming units / 100ml 21 Sep 2026 |
| Lead, Dissolved 0052 | River water | 6 | Jan 2024 – Mar 2024 | 0.1 µg/l 27 Mar 2024 |
| Magnesium, Dissolved 0235 | River water | 6 | Jan 2024 – Mar 2024 | 7.4 mg/l 27 Mar 2024 |
| Microbial Source Tracking 4876 | River water | 7 | Sep 2024 – Jun 2026 | 1 text result 20 Jun 2026 |
| Mitochondrial Marker : Canine 4870 | River water | 5 | Jun 2025 – Jun 2026 | Not found 20 Jun 2026 |
| Mitochrondrial Marker: Canine copy number 3816 | River water | 5 | Jun 2025 – Jun 2026 | below 2 log (10) gene copies / 100ml 20 Jun 2026 |
| MST Filtration 4926 | River water | 44 | Sep 2024 – Sep 2026 | DNA Stored 21 Sep 2026 |
| Nickel, Dissolved 3410 | River water | 6 | Jan 2024 – Mar 2024 | 3 µg/l 27 Mar 2024 |
| Preparation: DNA 5923 | River water | 7 | Sep 2024 – Jun 2026 | Done 20 Jun 2026 |
| Volume of Sample Filtered 4865 | River water | 44 | Sep 2024 – Sep 2026 | 700 millilitre 21 Sep 2026 |
| Zinc, Dissolved 3408 | River water | 6 | Jan 2024 – Mar 2024 | 48 µg/l 27 Mar 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.