Coverack water quality
GREENdesignated bathing water · · South West Water
Coverack is a designated bathing water in Cornwall, currently rated GREEN for swimming — No recent overflow, no pollution warning, low rainfall, no high samples. Its latest Environment Agency classification is excellent (2025), and 54 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, no pollution warning, low rainfall, no high samples.
- Active overflows nearby: 0
- Recent overflows (48h): 0
- Rainfall (48h): 1.6 mm
Official EA classification
excellent (2025)
Latest official sample
2026-08-17 — E.coli 10, enterococci 10 cfu/100ml
Latest independent sample
None published
Pollution & environment data
Recent storm overflows nearby (30 days)
- 2026-07-30 09:29 · ended~0.0 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, 21 min2026-07-30 · ~0.0 km
- spill, 9 min2026-06-10 · ~3.1 km
- spill, 9 min2026-06-10 · ~3.1 km
Full spill history near Coverack
Download CSVEvery storm-overflow discharge Glanmor has recorded within 5 km of Coverack, newest first.
5 discharge events
| Start | End | Outfall | Distance |
|---|---|---|---|
| 2026-07-30 09:29 | 2026-07-30 09:50 | COVERACK COVE(C) | ~0.0 km |
| 2026-06-10 14:41 | 2026-06-10 14:50 | (S) ST KEVERNE STREAM | ~3.1 km |
| 2026-05-02 13:56 | 2026-05-02 14:53 | COVERACK COVE(C) | ~0.0 km |
| 2026-02-03 16:15 | 2026-02-03 16:16 | COVERACK COVE (C) | ~0.3 km |
| 2026-01-29 16:31 | 2026-01-30 04:35 | PORTHALLOW STREAM (S) | ~5.0 km |
9 precise spill records (duration & volume)
| When | Detail | Distance |
|---|---|---|
| 2026-07-30 09:29 | spill, 21 min | ~0.0 km |
| 2026-06-10 14:41 | spill, 9 min | ~3.1 km |
| 2026-06-10 14:41 | spill, 9 min | ~3.1 km |
| 2026-05-02 13:56 | spill, 57 min | ~0.0 km |
| 2026-05-02 13:56 | spill, 57 min | ~0.0 km |
| 2026-02-03 16:15 | spill, 1 min | ~0.3 km |
| 2026-02-03 16:15 | spill, 1 min | ~0.3 km |
| 2026-01-29 16:31 | spill, 724 min | ~5.0 km |
| 2026-01-29 16:31 | spill, 724 min | ~5.0 km |
Water quality — 7-year trend
Water quality improved in 2026: average E. coli was 25% lower than 2025.
| Year | EA classification | Samples | E. coli (geo-mean) | Enterococci (geo-mean) | High readings |
|---|---|---|---|---|---|
| 2019 | — | 12 | 15 cfu/100ml | 14 cfu/100ml | 1 of 12 |
| 2020 | — | 3 | 48 cfu/100ml | 31 cfu/100ml | 1 of 3 |
| 2021 | — | 20 | 15 cfu/100ml | 15 cfu/100ml | 0 |
| 2022 | — | 20 | 10 cfu/100ml | 12 cfu/100ml | 0 |
| 2023 | — | 21 | 11 cfu/100ml | 12 cfu/100ml | 0 |
| 2024 | — | 16 | 12 cfu/100ml | 13 cfu/100ml | 0 |
| 2025 | excellent | 10 | 21 cfu/100ml | 16 cfu/100ml | 1 of 10 |
| 2026 | — | 8 | 16 cfu/100ml | 11 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.
Coverack — frequently asked questions
Is it safe to swim at Coverack today?
Coverack is currently rated GREEN: No recent overflow, no pollution warning, low rainfall, no high samples. This is guidance only — also check official alerts and use your judgement.
Has there been a sewage spill near Coverack?
54 storm-overflow spills were recorded near Coverack in 2025 (EA Event Duration Monitoring), and 5 spill events have been logged nearby so far this year.
What is Coverack's bathing water classification?
Coverack is classified excellent for 2025 by the Environment Agency.
Data & provenance
- Last updated
- just now (2026-08-26 18:30 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, 4 outfalls monitored within 5 km.
- Risk model
- v0.4
- Download
- Sample timeline (JSON) · All beaches (CSV)
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