Trebarwith Strand water quality
AMBERdesignated bathing water · · South West Water
Trebarwith Strand is a designated bathing water in Cornwall, currently rated AMBER for swimming — 14 mm rain in 48h (this beach's threshold is 8 mm) — runoff and overflows more likely. Its latest Environment Agency classification is good (2025), and 224 storm-overflow spills were recorded nearby in 2025. Below: live risk, recent spills, official samples, rainfall, tides and nearby reports.
Current status
Risk: AMBER 14 mm rain in 48h (this beach's threshold is 8 mm) — runoff and overflows more likely.
- Active overflows nearby: 0
- Recent overflows (48h): 0
- Rainfall (48h): 13.6 mm
Official EA classification
good (2025)
Latest official sample
2026-08-19 — E.coli 10, enterococci 18 cfu/100ml
Latest independent sample
None published
Pollution & environment data
Recent storm overflows nearby (30 days)
- 2026-08-05 10:11 · ended~3.1 km
In the news nearby
No recent local news matched.
Storm-overflow spills near here, by year (EDM)
Recent spills near here (precise, SWW)
- spill, 24 min2026-08-05 · ~3.1 km
- spill, 60 min2026-07-01 · ~3.1 km
- spill, 5 min2026-06-30 · ~3.1 km
- spill, 6 min2026-06-29 · ~3.1 km
- spill, 9 min2026-06-29 · ~3.1 km
- spill, 5 min2026-06-29 · ~3.1 km
- spill, 282 min2026-06-08 · ~4.3 km
- spill, 282 min2026-06-08 · ~4.3 km
Full spill history near Trebarwith Strand
Download CSVEvery storm-overflow discharge Glanmor has recorded within 5 km of Trebarwith Strand, newest first.
12 discharge events
| Start | End | Outfall | Distance |
|---|---|---|---|
| 2026-08-05 10:11 | 2026-08-05 10:35 | ATLANTIC OCEAN | ~3.1 km |
| 2026-07-01 09:30 | 2026-07-01 10:30 | ATLANTIC OCEAN | ~3.1 km |
| 2026-07-01 09:14 | 2026-07-01 10:14 | ATLANTIC OCEAN | ~3.1 km |
| 2026-06-30 14:44 | 2026-06-30 14:49 | ATLANTIC OCEAN | ~3.1 km |
| 2026-06-29 14:58 | 2026-06-29 15:04 | ATLANTIC OCEAN | ~3.1 km |
| 2026-06-29 14:00 | 2026-06-29 15:30 | ATLANTIC OCEAN | ~3.1 km |
| 2026-06-29 13:35 | 2026-06-29 15:15 | ATLANTIC OCEAN | ~3.1 km |
| 2026-06-08 05:14 | 2026-06-08 09:56 | RIVER ALLEN | ~4.3 km |
| 2026-06-08 04:24 | 2026-06-08 04:53 | ATLANTIC OCEAN | ~3.0 km |
| 2026-06-08 04:14 | 2026-06-08 05:29 | ATLANTIC OCEAN | ~3.1 km |
| 2026-02-01 00:45 | 2026-02-01 23:31 | (S) TREBARWITH STREAM | ~0.6 km |
| 2025-12-15 11:51 | 2025-12-15 11:57 | RIVER ALLEN | ~4.3 km |
16 precise spill records (duration & volume)
| When | Detail | Distance |
|---|---|---|
| 2026-08-05 10:11 | spill, 24 min | ~3.1 km |
| 2026-07-01 09:14 | spill, 60 min | ~3.1 km |
| 2026-06-30 14:44 | spill, 5 min | ~3.1 km |
| 2026-06-29 14:58 | spill, 6 min | ~3.1 km |
| 2026-06-29 13:35 | spill, 9 min | ~3.1 km |
| 2026-06-29 12:16 | spill, 5 min | ~3.1 km |
| 2026-06-08 05:14 | spill, 282 min | ~4.3 km |
| 2026-06-08 05:14 | spill, 282 min | ~4.3 km |
| 2026-06-08 04:24 | spill, 29 min | ~3.0 km |
| 2026-06-08 04:24 | spill, 29 min | ~3.0 km |
| 2026-06-08 04:14 | spill, 75 min | ~3.1 km |
| 2026-06-08 04:14 | spill, 75 min | ~3.1 km |
| 2026-02-01 00:45 | spill, 1366 min | ~0.6 km |
| 2026-02-01 00:45 | spill, 1366 min | ~0.6 km |
| 2025-12-15 11:51 | spill, 7 min | ~4.3 km |
| 2025-12-15 11:51 | spill, 7 min | ~4.3 km |
Water quality — 7-year trend
Water quality in 2026 was broadly level with 2025.
| Year | EA classification | Samples | E. coli (geo-mean) | Enterococci (geo-mean) | High readings |
|---|---|---|---|---|---|
| 2019 | — | 9 | 14 cfu/100ml | 10 cfu/100ml | 0 |
| 2020 | — | 3 | 36 cfu/100ml | 14 cfu/100ml | 0 |
| 2021 | — | 15 | 19 cfu/100ml | 25 cfu/100ml | 2 of 15 |
| 2022 | — | 15 | 15 cfu/100ml | 15 cfu/100ml | 1 of 15 |
| 2023 | — | 17 | 18 cfu/100ml | 16 cfu/100ml | 2 of 17 |
| 2024 | — | 21 | 32 cfu/100ml | 22 cfu/100ml | 2 of 21 |
| 2025 | good | 20 | 16 cfu/100ml | 19 cfu/100ml | 2 of 20 |
| 2026 | — | 15 | 17 cfu/100ml | 12 cfu/100ml | 0 |
Geometric mean of Environment Agency samples per calendar year (the standard bathing-water statistic). "High readings" are samples at or above 500 E. coli or 200 enterococci cfu/100ml.
Trebarwith Strand — frequently asked questions
Is it safe to swim at Trebarwith Strand today?
Trebarwith Strand is currently rated AMBER: 14 mm rain in 48h (this beach's threshold is 8 mm) — runoff and overflows more likely. This is guidance only — also check official alerts and use your judgement.
Has there been a sewage spill near Trebarwith Strand?
224 storm-overflow spills were recorded near Trebarwith Strand in 2025 (EA Event Duration Monitoring), and 11 spill events have been logged nearby so far this year.
What is Trebarwith Strand's bathing water classification?
Trebarwith Strand is classified good for 2025 by the Environment Agency.
Data & provenance
- Last updated
- 1 h ago (2026-08-27 15:45 UTC)
- Sources
- Environment Agency (samples & classification), South West Water (overflows), EA EDM (annual spills), Open-Meteo (rainfall & tide). Full list on about.
- Confidence
- High — official classification, 5 outfalls monitored within 5 km.
- Risk model
- v0.4
- Download
- Sample timeline (JSON) · All beaches (CSV)
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