Gyllyngvase water quality

GREEN

designated bathing water · · South West Water

Gyllyngvase 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 763 storm-overflow spills were recorded nearby in 2025. Below: live risk, recent spills, official samples, rainfall, tides and nearby reports.

Safe to swim right now?
Looking good right now
No recent overflow, low rainfall, no high samples.
Do not rely solely on this website for health decisions. Check official alerts and use your own judgement. Seek medical advice if you are unwell.

Current status

Risk: GREEN No recent overflow, low rainfall, no high samples.

  • Active overflows nearby: 0
  • Recent overflows (48h): 0
  • Rainfall (48h): 2.0 mm

Official EA classification

excellent (2025)

Latest official sample

2026-06-24 — E.coli 10, enterococci 27 cfu/100ml

Latest independent sample

None published

Pollution & environment data

2.0 mm
Rainfall 48h
3.5 mm
Rainfall 7d
23
Outfalls within 5 km
763
Spills (2025, official)
21
Spills 2026 so far (live)
8
Spills last 30d
falling 1.08m
Tide now

Recent storm overflows nearby (30 days)

In the news nearby

No recent local news matched.

Storm-overflow spills near here, by year (EDM)

Recent spills near here (precise, SWW)

Full spill history near Gyllyngvase

Download CSV

Every storm-overflow discharge Glanmor has recorded within 5 km of Gyllyngvase, newest first.

23 discharge events
StartEndOutfallDistance
2026-06-27 23:482026-06-27 23:56TRIB OF PENRYN RIVER(S)~3.4 km
2026-06-22 14:532026-06-22 15:16MYLOR CREEK (E)~4.4 km
2026-06-19 23:372026-06-19 23:40CARRICK ROADS(E)~3.9 km
2026-06-19 23:342026-06-19 23:50THE PENRYN RIVER (E)~3.5 km
2026-06-19 23:242026-06-20 01:21PENRYN RIVER(E)~1.3 km
2026-06-17 19:112026-06-17 19:38PENRYN RIVER (E)~1.9 km
2026-06-08 11:032026-06-08 11:11PENRYN RIVER(E)~1.7 km
2026-06-02 07:382026-06-02 15:35PENRYN RIVER(E)~1.3 km
2026-05-19 00:502026-05-19 01:59PRAZE STREAM~4.2 km
2026-05-02 14:042026-05-02 15:19PENRYN RIVER(E)~2.5 km
2026-05-02 13:572026-05-02 15:07PENRYN RIVER~2.5 km
2026-04-22 10:022026-04-22 12:08PENRYN RIVER(E)~0.9 km
2026-03-16 18:482026-03-16 19:38MYLOR CREEK~4.8 km
2026-03-13 10:282026-03-13 10:29PENRYN RIVER(E)~1.8 km
2026-03-04 10:442026-03-04 10:45PENRYN RIVER~1.3 km
2026-03-02 07:302026-03-02 23:55FALMOUTH BAY/TRIB BICKLAND WAT~1.2 km
2026-02-26 22:072026-02-26 22:23FALMOUTH BAY (E)~0.4 km
2026-02-26 13:532026-02-26 13:54MYLOR CREEK~4.8 km
2026-02-18 15:572026-02-18 16:33PENRYN RIVER(E)~2.4 km
2026-02-15 13:302026-02-15 13:34PENRYN RIVER(E)~2.3 km
2026-01-20 14:432026-01-20 14:53PENRYN RIVER(E)~2.4 km
2025-11-03 13:252025-11-03 13:27SWANPOOL (S)~0.9 km
2025-02-14 07:332025-02-14 07:36PENRYN RIVER(E)~1.3 km
46 precise spill records (duration & volume)
WhenDetailDistance
2026-06-27 23:48spill, 7 min~3.4 km
2026-06-27 23:48spill, 7 min~3.4 km
2026-06-22 14:53spill, 24 min~4.4 km
2026-06-22 14:53spill, 24 min~4.4 km
2026-06-19 23:37spill, 3 min~3.9 km
2026-06-19 23:37spill, 3 min~3.9 km
2026-06-19 23:34spill, 16 min~3.5 km
2026-06-19 23:34spill, 16 min~3.5 km
2026-06-19 23:24spill, 117 min~1.3 km
2026-06-19 23:24spill, 117 min~1.3 km
2026-06-17 19:11spill, 26 min~1.9 km
2026-06-17 19:11spill, 26 min~1.9 km
2026-06-08 11:03spill, 8 min~1.7 km
2026-06-08 11:03spill, 8 min~1.7 km
2026-06-02 07:38spill, 477 min~1.3 km
2026-06-02 07:38spill, 477 min~1.3 km
2026-05-19 00:50spill, 69 min~4.2 km
2026-05-19 00:50spill, 69 min~4.2 km
2026-05-02 14:04spill, 75 min~2.5 km
2026-05-02 14:04spill, 75 min~2.5 km
2026-05-02 13:57spill, 70 min~2.5 km
2026-05-02 13:57spill, 70 min~2.5 km
2026-04-22 10:02spill, 127 min~0.9 km
2026-04-22 10:02spill, 127 min~0.9 km
2026-03-16 18:48spill, 50 min~4.8 km
2026-03-16 18:48spill, 50 min~4.8 km
2026-03-13 10:28spill, 2 min~1.8 km
2026-03-13 10:28spill, 2 min~1.8 km
2026-03-04 10:44spill, 1 min~1.3 km
2026-03-04 10:44spill, 1 min~1.3 km
2026-03-02 07:30spill, 985 min~1.2 km
2026-03-02 07:30spill, 985 min~1.2 km
2026-02-26 22:07spill, 16 min, ~2 m³~0.4 km
2026-02-26 22:07spill, 16 min, ~2 m³~0.4 km
2026-02-26 13:53spill, 2 min~4.8 km
2026-02-26 13:53spill, 2 min~4.8 km
2026-02-18 15:57spill, 36 min~2.4 km
2026-02-18 15:57spill, 36 min~2.4 km
2026-02-15 13:30spill, 5 min~2.3 km
2026-02-15 13:30spill, 5 min~2.3 km
2026-01-20 14:43spill, 10 min~2.4 km
2026-01-20 14:43spill, 10 min~2.4 km
2025-11-03 13:25spill, 2 min~0.9 km
2025-11-03 13:25spill, 2 min~0.9 km
2025-02-14 07:33spill, 3 min~1.3 km
2025-02-14 07:33spill, 3 min~1.3 km
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Water quality trend

Gyllyngvase — frequently asked questions

Is it safe to swim at Gyllyngvase today?

Gyllyngvase 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 Gyllyngvase?

763 storm-overflow spills were recorded near Gyllyngvase in 2025 (EA Event Duration Monitoring), and 21 spill events have been logged nearby so far this year.

What is Gyllyngvase's bathing water classification?

Gyllyngvase is classified excellent for 2025 by the Environment Agency.

Data & provenance

Last updated
3 h ago (2026-06-30 15:15 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, 23 outfalls monitored within 5 km.
Risk model
v0.3
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Sample timeline (JSON) · All beaches (CSV)
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