Chapel Porth water quality
GREENdesignated bathing water · · South West Water
Chapel Porth is a designated bathing water in Cornwall, currently rated GREEN for swimming — No recent overflow, low rainfall, no high samples. Its latest Environment Agency classification is excellent (2025), and 260 storm-overflow spills were recorded nearby in 2025. Below: live risk, recent spills, official samples, rainfall, tides and nearby reports.
Current status
Risk: GREEN No recent overflow, low rainfall, no high samples.
- Active overflows nearby: 0
- Recent overflows (48h): 0
- Rainfall (48h): 0.5 mm
Official EA classification
excellent (2025)
Latest official sample
2026-06-22 — E.coli 10, enterococci 10 cfu/100ml
Latest independent sample
None published
Pollution & environment data
Recent storm overflows nearby (30 days)
- 2026-06-06 07:12 · ended~2.8 km
- 2026-06-06 10:08 · ended~4.9 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, 13 min2026-06-06 · ~4.9 km
- spill, 13 min2026-06-06 · ~4.9 km
- spill, 45 min2026-06-06 · ~2.8 km
- spill, 45 min2026-06-06 · ~2.8 km
- spill, 15 min2026-05-18 · ~3.2 km
- spill, 15 min2026-05-18 · ~3.2 km
Full spill history near Chapel Porth
Download CSVEvery storm-overflow discharge Glanmor has recorded within 5 km of Chapel Porth, newest first.
6 discharge events
| Start | End | Outfall | Distance |
|---|---|---|---|
| 2026-06-06 10:08 | 2026-06-06 10:21 | ATLANTIC OCEAN (C) | ~4.9 km |
| 2026-06-06 07:12 | 2026-06-06 07:57 | TREVAUNANCE STREAM(S) | ~2.8 km |
| 2026-05-18 01:35 | 2026-05-18 01:50 | TREVAUNANCE STREAM(S) | ~3.2 km |
| 2026-03-02 14:09 | 2026-03-02 23:43 | PORTHTOWAN STREAM (S) | ~2.1 km |
| 2026-03-01 11:03 | 2026-03-01 14:03 | LOCAL STREAM (S) | ~1.6 km |
| 2024-10-06 15:39 | 2024-10-06 15:40 | ATLANTIC OCEAN(C) | ~2.9 km |
12 precise spill records (duration & volume)
| When | Detail | Distance |
|---|---|---|
| 2026-06-06 10:08 | spill, 13 min | ~4.9 km |
| 2026-06-06 10:08 | spill, 13 min | ~4.9 km |
| 2026-06-06 07:12 | spill, 45 min | ~2.8 km |
| 2026-06-06 07:12 | spill, 45 min | ~2.8 km |
| 2026-05-18 01:35 | spill, 15 min | ~3.2 km |
| 2026-05-18 01:35 | spill, 15 min | ~3.2 km |
| 2026-03-02 14:09 | spill, 573 min | ~2.1 km |
| 2026-03-02 14:09 | spill, 573 min | ~2.1 km |
| 2026-03-01 11:03 | spill, 180 min | ~1.6 km |
| 2026-03-01 11:03 | spill, 180 min | ~1.6 km |
| 2024-10-06 15:39 | spill, 1 min | ~2.9 km |
| 2024-10-06 15:39 | spill, 1 min | ~2.9 km |
Water quality trend
Chapel Porth — frequently asked questions
Is it safe to swim at Chapel Porth today?
Chapel Porth is currently rated GREEN: No recent overflow, low rainfall, no high samples. This is guidance only — also check official alerts and use your judgement.
Has there been a sewage spill near Chapel Porth?
260 storm-overflow spills were recorded near Chapel Porth in 2025 (EA Event Duration Monitoring), and 5 spill events have been logged nearby so far this year.
What is Chapel Porth's bathing water classification?
Chapel Porth is classified excellent for 2025 by the Environment Agency.
Data & provenance
- Last updated
- 3 h ago (2026-06-29 14:15 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, 6 outfalls monitored within 5 km.
- Risk model
- v0.3
- Download
- Sample timeline (JSON) · All beaches (CSV)
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