Gyllyngvase water quality

RED

designated bathing water · · South West Water

Gyllyngvase is a designated bathing water in Cornwall, currently rated RED for swimming — Storm overflow discharging within 5 km right now. Incoming/high tide may carry discharge closer to shore. 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?
Avoid — pollution risk
Storm overflow discharging within 5 km right now. Incoming/high tide may carry discharge closer to shore.
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: RED Storm overflow discharging within 5 km right now. Incoming/high tide may carry discharge closer to shore.

  • Active overflows nearby: 10
  • Recent overflows (48h): 34
  • Rainfall (48h): 39.9 mm

Official EA classification

excellent (2025)

Latest official sample

2026-09-25 — E.coli 18, enterococci 55 cfu/100ml

Latest independent sample

None published

Pollution & environment data

39.9 mm
Rainfall 48h
72.9 mm
Rainfall 7d
23
Outfalls within 5 km
763
Spills (2025, official)
293
Spills 2026 so far (live)
119
Spills last 30d
rising 1.44m
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.

295 discharge events
StartEndOutfallDistance
2026-10-24 13:16ongoingFALMOUTH BAY/TRIB BICKLAND WAT~1.2 km
2026-10-24 12:452026-10-24 13:30PENRYN RIVER(E)~2.4 km
2026-10-24 12:302026-10-24 13:15PENRYN RIVER(E)~2.4 km
2026-10-24 12:18ongoingFALMOUTH BAY/TRIB BICKLAND WAT~1.2 km
2026-10-24 12:102026-10-24 12:14PENRYN RIVER(E)~2.4 km
2026-10-24 11:45ongoingPENRYN RIVER(E)~0.9 km
2026-10-24 11:27ongoingPENRYN RIVER(E)~0.9 km
2026-10-24 11:152026-10-24 13:30PENRYN RIVER(E)~2.5 km
2026-10-24 11:15ongoingPRAZE STREAM~4.2 km
2026-10-24 11:04ongoingPRAZE STREAM~4.2 km
2026-10-24 11:002026-10-24 13:00PENRYN RIVER~2.5 km
2026-10-24 11:00ongoingTHE PENRYN RIVER (E)~3.5 km
2026-10-24 10:532026-10-24 13:15PENRYN RIVER(E)~2.5 km
2026-10-24 10:452026-10-24 12:30PENRYN RIVER~2.5 km
2026-10-24 10:41ongoingTHE PENRYN RIVER (E)~3.5 km
2026-10-24 08:45ongoingPENRYN RIVER(E)~1.3 km
2026-10-24 08:14ongoingPENRYN RIVER(E)~1.3 km
2026-10-24 05:062026-10-24 05:27PENRYN RIVER(E)~1.3 km
2026-10-23 21:452026-10-23 22:00TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-23 21:262026-10-23 21:37TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-23 05:152026-10-23 08:00PRAZE STREAM~4.2 km
2026-10-23 04:542026-10-23 07:45PRAZE STREAM~4.2 km
2026-10-23 04:242026-10-23 04:30PENRYN RIVER~2.5 km
2026-10-23 04:152026-10-23 11:30THE PENRYN RIVER (E)~3.5 km
2026-10-23 04:152026-10-23 08:45PENRYN RIVER(E)~1.3 km
2026-10-23 03:592026-10-23 11:15THE PENRYN RIVER (E)~3.5 km
2026-10-23 03:562026-10-23 08:30PENRYN RIVER(E)~1.3 km
2026-10-23 03:002026-10-23 03:15PENRYN RIVER(E)~1.3 km
2026-10-23 00:452026-10-23 01:15THE PENRYN RIVER (E)~3.5 km
2026-10-23 00:452026-10-23 01:45PENRYN RIVER(E)~1.3 km
2026-10-23 00:322026-10-23 01:01THE PENRYN RIVER (E)~3.5 km
2026-10-23 00:272026-10-23 00:30PENRYN RIVER~2.5 km
2026-10-23 00:242026-10-23 01:20PENRYN RIVER(E)~1.3 km
2026-10-22 23:152026-10-23 00:00PENRYN RIVER(E)~1.3 km
2026-10-22 22:492026-10-22 23:45PENRYN RIVER(E)~1.3 km
2026-10-22 22:002026-10-22 22:15PENRYN RIVER(E)~1.3 km
2026-10-22 20:152026-10-22 21:00PRAZE STREAM~4.2 km
2026-10-22 19:482026-10-22 20:41PRAZE STREAM~4.2 km
2026-10-22 19:312026-10-22 20:00THE PENRYN RIVER (E)~3.5 km
2026-10-22 19:122026-10-22 19:47THE PENRYN RIVER (E)~3.5 km
2026-10-22 17:462026-10-22 21:30PENRYN RIVER(E)~1.3 km
2026-10-22 17:252026-10-22 21:15PENRYN RIVER(E)~1.3 km
2026-10-22 14:452026-10-22 15:45PENRYN RIVER(E)~1.3 km
2026-10-22 14:232026-10-22 15:12PENRYN RIVER(E)~1.3 km
2026-10-21 22:152026-10-21 22:45PENRYN RIVER(E)~2.5 km
2026-10-21 22:002026-10-21 22:15PENRYN RIVER~2.5 km
2026-10-21 21:492026-10-21 22:07THE PENRYN RIVER (E)~3.5 km
2026-10-21 21:492026-10-21 22:09PENRYN RIVER(E)~2.5 km
2026-10-21 21:452026-10-22 00:15PENRYN RIVER(E)~1.3 km
2026-10-21 21:432026-10-21 22:04PENRYN RIVER~2.5 km
2026-10-21 21:312026-10-21 23:36PENRYN RIVER(E)~1.3 km
2026-10-21 19:162026-10-21 19:45PENRYN RIVER(E)~1.3 km
2026-10-21 18:572026-10-21 19:12PENRYN RIVER(E)~1.3 km
2026-10-21 09:412026-10-21 09:43FALMOUTH BAY (E)~0.4 km
2026-10-21 05:172026-10-21 05:25PENRYN RIVER(E)~1.3 km
2026-10-20 23:182026-10-20 23:20PENRYN RIVER~2.5 km
2026-10-20 16:562026-10-20 16:57PENRYN RIVER~2.5 km
2026-10-15 21:302026-10-15 22:15PENRYN RIVER(E)~1.3 km
2026-10-15 20:502026-10-15 21:34PENRYN RIVER(E)~1.3 km
2026-10-15 08:19ongoingTRIB OF PENRYN RIVER(S)~3.4 km
2026-10-15 04:45ongoingTRIB OF PENRYN RIVER(S)~3.4 km
2026-10-15 00:492026-10-15 00:54TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-14 21:312026-10-14 21:51TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-14 19:502026-10-14 20:05PENRYN RIVER~2.5 km
2026-10-13 06:452026-10-13 07:15TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-13 06:362026-10-13 06:57TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-12 16:002026-10-12 16:03TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-12 06:152026-10-12 07:00PENRYN RIVER (E)~1.9 km
2026-10-12 05:432026-10-12 06:40PENRYN RIVER (E)~1.9 km
2026-10-11 17:302026-10-11 19:00THE PENRYN RIVER (E)~3.5 km
2026-10-11 17:152026-10-11 19:15PENRYN RIVER (E)~1.9 km
2026-10-11 17:142026-10-11 18:45THE PENRYN RIVER (E)~3.5 km
2026-10-11 17:072026-10-11 19:00PENRYN RIVER (E)~1.9 km
2026-10-11 06:452026-10-11 08:00TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-11 06:342026-10-11 07:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-10 17:162026-10-10 18:01PENRYN RIVER (E)~1.9 km
2026-10-10 17:042026-10-10 17:45PENRYN RIVER (E)~1.9 km
2026-10-10 10:402026-10-10 10:42TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-10 05:302026-10-10 06:15TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-10 05:182026-10-10 05:54TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-10 04:452026-10-10 05:15TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-10 04:302026-10-10 05:00TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-09 13:002026-10-09 13:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-09 12:412026-10-09 13:29TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-09 07:382026-10-09 07:41TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-09 05:452026-10-09 06:30TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-09 05:302026-10-09 06:15TRIB OF PENRYN RIVER(S)~3.4 km
2026-10-08 12:102026-10-08 12:19PENRYN RIVER~2.5 km
2026-09-30 12:452026-09-30 13:15PENRYN RIVER(E)~2.5 km
2026-09-30 12:452026-09-30 14:45PENRYN RIVER(E)~1.3 km
2026-09-30 12:392026-09-30 12:41PENRYN RIVER~2.5 km
2026-09-30 12:372026-09-30 12:45PENRYN RIVER(E)~2.4 km
2026-09-30 12:322026-09-30 12:34PENRYN RIVER(E)~2.5 km
2026-09-30 12:302026-09-30 14:00THE PENRYN RIVER (E)~3.5 km
2026-09-30 12:282026-09-30 12:32PENRYN RIVER(E)~2.3 km
2026-09-30 12:242026-09-30 14:26PENRYN RIVER(E)~1.3 km
2026-09-30 12:162026-09-30 13:40THE PENRYN RIVER (E)~3.5 km
2026-09-30 07:152026-09-30 08:15PENRYN RIVER (E)~1.9 km
2026-09-30 06:542026-09-30 07:56PENRYN RIVER (E)~1.9 km
2026-09-30 01:452026-09-30 02:45PENRYN RIVER(E)~1.3 km
2026-09-29 20:242026-09-29 20:28TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-29 20:022026-09-29 20:05CARRICK ROADS(E)~3.9 km
2026-09-29 20:002026-09-29 20:30PENRYN RIVER (E)~1.9 km
2026-09-29 19:452026-09-30 00:00PENRYN RIVER(E)~1.3 km
2026-09-29 19:452026-09-29 20:00CARRICK ROADS(E)~3.9 km
2026-09-29 18:452026-09-30 03:00THE PENRYN RIVER (E)~3.5 km
2026-09-29 18:152026-09-29 19:45PENRYN RIVER (E)~1.9 km
2026-09-29 06:452026-09-29 07:45PENRYN RIVER (E)~1.9 km
2026-09-29 06:232026-09-29 07:28PENRYN RIVER (E)~1.9 km
2026-09-28 19:002026-09-28 19:16THE PENRYN RIVER (E)~3.5 km
2026-09-28 18:392026-09-28 18:52THE PENRYN RIVER (E)~3.5 km
2026-09-28 18:152026-09-28 19:31PENRYN RIVER (E)~1.9 km
2026-09-28 11:082026-09-28 11:16FALMOUTH BAY (E)~0.4 km
2026-09-28 11:002026-09-28 11:01PENRYN RIVER~2.5 km
2026-09-27 17:302026-09-27 19:15PENRYN RIVER (E)~1.9 km
2026-09-27 17:132026-09-27 19:00PENRYN RIVER (E)~1.9 km
2026-09-27 05:452026-09-27 06:15PENRYN RIVER (E)~1.9 km
2026-09-27 05:372026-09-27 06:00PENRYN RIVER (E)~1.9 km
2026-09-26 17:172026-09-26 17:24PENRYN RIVER (E)~1.9 km
2026-09-23 13:012026-09-23 13:04TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-23 01:292026-09-23 01:30TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-21 22:232026-09-21 22:25TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-21 19:162026-09-21 19:20TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-18 23:302026-09-19 01:15TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-18 23:082026-09-19 00:22TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-16 05:172026-09-16 05:27PENRYN RIVER(E)~1.3 km
2026-09-14 04:082026-09-14 04:32TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-13 18:322026-09-13 19:22PENRYN RIVER (E)~1.9 km
2026-09-12 00:562026-09-13 00:00TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-08 08:042026-09-08 08:05PENRYN RIVER(E)~1.7 km
2026-09-08 07:132026-09-08 08:24THE PENRYN RIVER (E)~3.5 km
2026-09-08 02:322026-09-08 08:03PENRYN RIVER(E)~1.3 km
2026-09-07 12:252026-09-07 12:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-04 12:032026-09-04 12:51TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-04 05:592026-09-04 06:01PENRYN RIVER~2.5 km
2026-09-03 13:432026-09-03 13:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-09-02 11:482026-09-02 11:49CARRICK ROADS(E)~3.9 km
2026-08-30 19:152026-08-30 20:00PENRYN RIVER(E)~1.3 km
2026-08-30 19:072026-08-30 20:30PENRYN RIVER (E)~1.9 km
2026-08-30 19:002026-08-30 20:15PENRYN RIVER (E)~1.9 km
2026-08-30 18:552026-08-30 19:45PENRYN RIVER(E)~1.3 km
2026-08-30 18:302026-08-30 18:45PENRYN RIVER (E)~1.9 km
2026-08-30 12:452026-08-30 13:00CARRICK ROADS(E)~3.9 km
2026-08-30 12:372026-08-30 12:39CARRICK ROADS(E)~3.9 km
2026-08-30 12:302026-08-30 13:00THE PENRYN RIVER (E)~3.5 km
2026-08-30 12:162026-08-30 12:41THE PENRYN RIVER (E)~3.5 km
2026-08-30 12:162026-08-30 12:17PENRYN RIVER~2.5 km
2026-08-30 12:002026-08-30 12:15THE PENRYN RIVER (E)~3.5 km
2026-08-30 12:002026-08-30 14:00PENRYN RIVER(E)~1.3 km
2026-08-30 11:402026-08-30 13:45PENRYN RIVER(E)~1.3 km
2026-08-29 18:002026-08-29 19:15PENRYN RIVER (E)~1.9 km
2026-08-29 17:492026-08-29 18:58PENRYN RIVER (E)~1.9 km
2026-08-29 09:002026-08-29 10:15PENRYN RIVER(E)~2.4 km
2026-08-29 09:002026-08-29 11:00THE PENRYN RIVER (E)~3.5 km
2026-08-29 09:002026-08-29 10:45PENRYN RIVER(E)~1.3 km
2026-08-29 09:002026-08-29 09:15CARRICK ROADS(E)~3.9 km
2026-08-29 08:462026-08-29 08:49CARRICK ROADS(E)~3.9 km
2026-08-29 08:452026-08-29 08:51PENRYN RIVER(E)~2.4 km
2026-08-29 08:332026-08-29 10:45THE PENRYN RIVER (E)~3.5 km
2026-08-29 08:302026-08-29 10:32PENRYN RIVER(E)~1.3 km
2026-08-29 02:452026-08-29 06:15PENRYN RIVER(E)~1.3 km
2026-08-28 17:452026-08-28 18:30PENRYN RIVER (E)~1.9 km
2026-08-28 08:032026-08-28 08:04PENRYN RIVER(E)~1.7 km
2026-08-27 17:522026-08-27 17:55PENRYN RIVER(E)~1.7 km
2026-08-27 10:222026-08-27 10:29PENRYN RIVER(E)~1.7 km
2026-08-27 02:092026-08-27 02:30PENRYN RIVER~2.5 km
2026-08-27 01:452026-08-27 04:30PENRYN RIVER(E)~1.3 km
2026-08-27 01:322026-08-27 04:00PENRYN RIVER(E)~1.3 km
2026-08-27 00:152026-08-27 01:00PENRYN RIVER(E)~1.3 km
2026-08-25 14:472026-08-25 14:48PENRYN RIVER(E)~1.7 km
2026-08-25 06:262026-08-25 06:28PENRYN RIVER(E)~1.7 km
2026-08-24 07:292026-08-24 07:30PENRYN RIVER(E)~1.7 km
2026-08-23 13:472026-08-23 13:54TRIB OF PENRYN RIVER(S)~3.4 km
2026-08-23 01:002026-08-23 01:30TRIB OF PENRYN RIVER(S)~3.4 km
2026-08-22 02:002026-08-22 02:30TRIB OF PENRYN RIVER(S)~3.4 km
2026-08-21 08:232026-08-21 08:24PENRYN RIVER(E)~1.7 km
2026-08-19 04:452026-08-19 05:45PENRYN RIVER(E)~1.3 km
2026-08-19 04:312026-08-19 05:28PENRYN RIVER(E)~1.3 km
2026-08-16 07:072026-08-16 07:08PENRYN RIVER(E)~1.7 km
2026-08-15 19:152026-08-15 21:00PENRYN RIVER (E)~1.9 km
2026-08-15 18:552026-08-15 20:00PENRYN RIVER (E)~1.9 km
2026-08-14 18:302026-08-14 19:45PENRYN RIVER (E)~1.9 km
2026-08-14 18:082026-08-14 19:32PENRYN RIVER (E)~1.9 km
2026-08-14 04:172026-08-14 04:23TRIB OF PENRYN RIVER(S)~3.4 km
2026-08-13 18:002026-08-13 19:00PENRYN RIVER (E)~1.9 km
2026-08-13 17:312026-08-13 18:44PENRYN RIVER (E)~1.9 km
2026-08-12 21:112026-08-12 21:13PENRYN RIVER(E)~1.7 km
2026-08-12 18:402026-08-12 18:44PENRYN RIVER(E)~1.7 km
2026-08-10 14:162026-08-10 14:22PENRYN RIVER(E)~1.7 km
2026-08-09 13:302026-08-09 16:45PENRYN RIVER(E)~1.7 km
2026-08-09 12:002026-08-09 15:45PENRYN RIVER(E)~1.7 km
2026-08-09 10:152026-08-09 10:45PENRYN RIVER(E)~1.7 km
2026-08-09 09:452026-08-09 10:00PENRYN RIVER(E)~1.7 km
2026-08-08 19:272026-08-08 19:31TRIB OF PENRYN RIVER(S)~3.4 km
2026-08-08 18:002026-08-08 18:30PENRYN RIVER(E)~1.7 km
2026-08-08 17:002026-08-08 17:15PENRYN RIVER(E)~1.7 km
2026-08-08 15:452026-08-08 16:45PENRYN RIVER(E)~1.7 km
2026-08-08 08:002026-08-08 08:30PENRYN RIVER(E)~1.7 km
2026-08-08 07:472026-08-08 08:12PENRYN RIVER(E)~1.7 km
2026-08-07 18:302026-08-07 18:45PENRYN RIVER(E)~1.7 km
2026-08-07 18:122026-08-07 18:34PENRYN RIVER(E)~1.7 km
2026-08-07 15:592026-08-07 16:02PENRYN RIVER(E)~1.7 km
2026-08-04 21:582026-08-04 21:58CARRICK ROADS(E)~3.9 km
2026-08-04 19:522026-08-04 19:55PENRYN RIVER(E)~1.7 km
2026-08-04 19:152026-08-04 20:30PENRYN RIVER(E)~1.7 km
2026-08-04 16:452026-08-04 17:00PENRYN RIVER(E)~1.7 km
2026-08-04 11:452026-08-04 12:45PENRYN RIVER(E)~1.3 km
2026-08-04 11:192026-08-04 12:04PENRYN RIVER(E)~1.3 km
2026-07-30 11:002026-07-30 12:00TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-30 10:272026-07-30 12:00PENRYN RIVER(E)~1.3 km
2026-07-30 10:192026-07-30 10:52TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-30 06:152026-07-30 06:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-30 06:022026-07-30 06:35TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-30 05:152026-07-30 06:00TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-29 00:062026-07-29 00:07TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-28 04:452026-07-28 05:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-28 04:332026-07-28 04:41TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-27 22:152026-07-27 22:17TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-27 21:332026-07-27 22:30TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-27 17:152026-07-27 18:00TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-27 16:482026-07-27 16:54TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-26 22:092026-07-26 22:13TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-24 21:302026-07-24 21:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-24 21:042026-07-24 21:13TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-23 11:112026-07-23 11:12PENRYN RIVER~2.5 km
2026-07-23 10:152026-07-23 10:45PENRYN RIVER~2.5 km
2026-07-23 10:142026-07-23 10:14CARRICK ROADS(E)~3.9 km
2026-07-23 03:482026-07-23 03:57TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-22 09:452026-07-22 09:48TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-22 09:302026-07-22 10:30TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-22 08:072026-07-22 08:19TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-22 03:522026-07-22 03:59TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-22 01:452026-07-22 02:30TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-22 01:232026-07-22 01:39TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-21 04:002026-07-21 04:02TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-18 20:452026-07-18 23:15PENRYN RIVER (E)~1.9 km
2026-07-18 20:212026-07-18 20:44PENRYN RIVER (E)~1.9 km
2026-07-17 19:452026-07-17 21:15PENRYN RIVER (E)~1.9 km
2026-07-17 19:052026-07-17 20:35PENRYN RIVER (E)~1.9 km
2026-07-17 09:012026-07-17 09:05TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-17 04:152026-07-17 04:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-17 04:022026-07-17 04:33TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-16 19:282026-07-16 20:02PENRYN RIVER (E)~1.9 km
2026-07-16 18:452026-07-16 20:15PENRYN RIVER (E)~1.9 km
2026-07-16 11:122026-07-16 11:20TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-16 10:492026-07-16 10:54TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-16 10:152026-07-16 11:15TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-16 05:412026-07-16 05:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-16 05:302026-07-16 06:15TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-16 04:102026-07-16 04:17TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-16 03:302026-07-16 04:30TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-16 02:302026-07-16 03:00TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-16 00:562026-07-16 01:01TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-15 21:302026-07-15 21:34TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-15 19:452026-07-15 20:30TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-15 18:152026-07-15 19:15PENRYN RIVER (E)~1.9 km
2026-07-15 17:362026-07-15 19:01PENRYN RIVER (E)~1.9 km
2026-07-14 17:452026-07-14 18:15PENRYN RIVER (E)~1.9 km
2026-07-14 17:132026-07-14 17:47PENRYN RIVER (E)~1.9 km
2026-07-05 15:222026-07-05 15:24PENRYN RIVER~2.5 km
2026-07-03 20:072026-07-03 20:11TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-03 19:302026-07-03 19:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-03 18:302026-07-03 18:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-03 16:302026-07-03 16:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-03 14:002026-07-03 14:30TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-03 13:272026-07-03 13:41TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-03 10:422026-07-03 10:43TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-03 10:302026-07-03 10:45TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-03 09:302026-07-03 09:31TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-03 09:002026-07-03 09:15TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-03 05:152026-07-03 07:30TRIB OF PENRYN RIVER(S)~3.4 km
2026-07-03 04:552026-07-03 07:15TRIB OF PENRYN RIVER(S)~3.4 km
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
271 precise spill records (duration & volume)
WhenDetailDistance
2026-10-24 13:49spill, 1 min~2.5 km
2026-10-24 12:41spill, 3 min~2.5 km
2026-10-24 12:30spill, 19 min~2.4 km
2026-10-24 12:26spill, 4 min~2.5 km
2026-10-24 12:18spill, 87 min~1.2 km
2026-10-24 12:10spill, 4 min~2.4 km
2026-10-24 11:27spill, 152 min~0.9 km
2026-10-24 11:22spill, 53 min~2.5 km
2026-10-24 11:04spill, 176 min~4.2 km
2026-10-24 10:53spill, 127 min~2.5 km
2026-10-24 10:45spill, 30 min~2.5 km
2026-10-24 10:41spill, 198 min~3.5 km
2026-10-24 08:51spill, 7 min~3.5 km
2026-10-24 08:44spill, 3 min~2.5 km
2026-10-24 08:14spill, 2 min~2.5 km
2026-10-24 08:14spill, 346 min~1.3 km
2026-10-24 05:06spill, 21 min~1.3 km
2026-10-23 21:26spill, 12 min~3.4 km
2026-10-23 04:54spill, 158 min~4.2 km
2026-10-23 04:24spill, 6 min~2.5 km
2026-10-23 04:04spill, 1 min~2.5 km
2026-10-23 03:59spill, 421 min~3.5 km
2026-10-23 03:56spill, 225 min~1.3 km
2026-10-23 02:27spill, 33 min~1.3 km
2026-10-23 00:32spill, 30 min~3.5 km
2026-10-23 00:27spill, 3 min~2.5 km
2026-10-23 00:24spill, 56 min~1.3 km
2026-10-22 22:49spill, 17 min~1.3 km
2026-10-22 21:13spill, 41 min~1.3 km
2026-10-22 19:48spill, 53 min~4.2 km
2026-10-22 19:12spill, 35 min~3.5 km
2026-10-22 18:48spill, 13 min~3.5 km
2026-10-22 17:25spill, 192 min~1.3 km
2026-10-22 14:23spill, 50 min~1.3 km
2026-10-21 21:49spill, 18 min~3.5 km
2026-10-21 21:49spill, 20 min~2.5 km
2026-10-21 21:43spill, 20 min~2.5 km
2026-10-21 21:31spill, 125 min~1.3 km
2026-10-21 18:57spill, 15 min~1.3 km
2026-10-21 09:41spill, 2 min, ~0 m³~0.4 km
2026-10-21 05:17spill, 8 min~1.3 km
2026-10-20 23:18spill, 2 min~2.5 km
2026-10-20 16:56spill, 1 min~2.5 km
2026-10-15 20:50spill, 44 min~1.3 km
2026-10-15 08:19spill, 40 min~3.4 km
2026-10-15 07:57spill, 3 min~3.4 km
2026-10-15 07:05spill, 5 min~3.4 km
2026-10-15 04:45spill, 98 min~3.4 km
2026-10-15 00:49spill, 5 min~3.4 km
2026-10-14 21:31spill, 20 min~3.4 km
2026-10-14 19:50spill, 15 min~2.5 km
2026-10-13 06:36spill, 21 min~3.4 km
2026-10-12 16:00spill, 2 min~3.4 km
2026-10-12 05:43spill, 57 min~1.9 km
2026-10-11 17:14spill, 69 min~3.5 km
2026-10-11 17:07spill, 97 min~1.9 km
2026-10-11 06:34spill, 46 min~3.4 km
2026-10-10 17:04spill, 40 min~1.9 km
2026-10-10 10:40spill, 2 min~3.4 km
2026-10-10 05:18spill, 36 min~3.4 km
2026-10-10 04:30spill, 11 min~3.4 km
2026-10-09 12:41spill, 48 min~3.4 km
2026-10-09 07:38spill, 3 min~3.4 km
2026-10-09 05:30spill, 34 min~3.4 km
2026-10-08 12:10spill, 9 min~2.5 km
2026-09-30 12:39spill, 3 min~2.5 km
2026-09-30 12:37spill, 8 min~2.4 km
2026-09-30 12:32spill, 2 min~2.5 km
2026-09-30 12:28spill, 4 min~2.3 km
2026-09-30 12:24spill, 122 min~1.3 km
2026-09-30 12:16spill, 84 min~3.5 km
2026-09-30 06:54spill, 62 min~1.9 km
2026-09-30 01:21spill, 39 min~1.3 km
2026-09-29 20:24spill, 4 min~3.4 km
2026-09-29 20:02spill, 3 min~3.9 km
2026-09-29 19:40spill, 36 min~1.9 km
2026-09-29 19:22spill, 247 min~1.3 km
2026-09-29 18:23spill, 337 min~3.5 km
2026-09-29 06:23spill, 65 min~1.9 km
2026-09-28 18:39spill, 13 min~3.5 km
2026-09-28 17:50spill, 88 min~1.9 km
2026-09-28 11:08spill, 9 min, ~1 m³~0.4 km
2026-09-28 11:00spill, 1 min~2.5 km
2026-09-27 17:13spill, 87 min~1.9 km
2026-09-27 05:37spill, 24 min~1.9 km
2026-09-26 17:17spill, 7 min~1.9 km
2026-09-23 13:01spill, 3 min~3.4 km
2026-09-23 01:29spill, 1 min~3.4 km
2026-09-21 22:23spill, 1 min~3.4 km
2026-09-21 19:16spill, 4 min~3.4 km
2026-09-21 19:00spill, 2 min~3.4 km
2026-09-18 23:08spill, 75 min~3.4 km
2026-09-16 05:17spill, 10 min~1.3 km
2026-09-14 04:08spill, 24 min~3.4 km
2026-09-13 23:30spill, 1 min~3.4 km
2026-09-13 18:32spill, 50 min~1.9 km
2026-09-12 17:53spill, 66 min~1.9 km
2026-09-12 15:05spill, 10 min~3.4 km
2026-09-12 00:56spill, 19 min~3.4 km
2026-09-12 00:28spill, 2 min~3.4 km
2026-09-11 17:09spill, 78 min~1.9 km
2026-09-10 16:34spill, 62 min~1.9 km
2026-09-08 08:04spill, 1 min~1.7 km
2026-09-08 07:13spill, 71 min~3.5 km
2026-09-08 02:32spill, 332 min~1.3 km
2026-09-07 12:25spill, 20 min~3.4 km
2026-09-07 09:07spill, 1 min~1.7 km
2026-09-06 03:14spill, 6 min~3.4 km
2026-09-04 12:03spill, 48 min~3.4 km
2026-09-04 05:59spill, 1 min~2.5 km
2026-09-03 13:43spill, 3 min~3.4 km
2026-09-02 11:48spill, 0 min~3.9 km
2026-08-30 19:07spill, 41 min~1.9 km
2026-08-30 18:55spill, 18 min~1.3 km
2026-08-30 18:47spill, 0 min~1.9 km
2026-08-30 18:02spill, 32 min~1.9 km
2026-08-30 12:37spill, 2 min~3.9 km
2026-08-30 12:16spill, 25 min~3.5 km
2026-08-30 12:16spill, 2 min~2.5 km
2026-08-30 11:44spill, 18 min~3.5 km
2026-08-30 11:40spill, 112 min~1.3 km
2026-08-29 17:49spill, 69 min~1.9 km
2026-08-29 08:46spill, 3 min~3.9 km
2026-08-29 08:45spill, 6 min~2.4 km
2026-08-29 08:33spill, 132 min~3.5 km
2026-08-29 08:30spill, 122 min~1.3 km
2026-08-28 21:06spill, 24 min~1.3 km
2026-08-28 17:32spill, 33 min~1.9 km
2026-08-28 08:03spill, 1 min~1.7 km
2026-08-27 19:11spill, 1 min~1.7 km
2026-08-27 17:52spill, 2 min~1.7 km
2026-08-27 15:38spill, 0 min~1.7 km
2026-08-27 11:19spill, 8 min~1.7 km
2026-08-27 10:44spill, 1 min~1.7 km
2026-08-27 10:22spill, 7 min~1.7 km
2026-08-27 02:09spill, 6 min~2.5 km
2026-08-27 01:32spill, 96 min~1.3 km
2026-08-25 14:47spill, 1 min~1.7 km
2026-08-25 06:26spill, 2 min~1.7 km
2026-08-24 23:11spill, 2 min~1.7 km
2026-08-24 07:29spill, 1 min~1.7 km
2026-08-23 13:47spill, 6 min~3.4 km
2026-08-22 01:43spill, 2 min~3.4 km
2026-08-21 08:23spill, 1 min~1.7 km
2026-08-19 04:31spill, 57 min~1.3 km
2026-08-16 07:07spill, 1 min~1.7 km
2026-08-15 18:55spill, 65 min~1.9 km
2026-08-14 18:08spill, 85 min~1.9 km
2026-08-14 04:17spill, 6 min~3.4 km
2026-08-13 17:31spill, 73 min~1.9 km
2026-08-13 08:56spill, 29 min~3.4 km
2026-08-12 21:11spill, 2 min~1.7 km
2026-08-12 18:40spill, 4 min~1.7 km
2026-08-10 14:16spill, 6 min~1.7 km
2026-08-09 17:56spill, 26 min~1.7 km
2026-08-09 13:30spill, 29 min~1.7 km
2026-08-09 11:37spill, 82 min~1.7 km
2026-08-08 19:27spill, 4 min~3.4 km
2026-08-08 18:04spill, 2 min~1.7 km
2026-08-08 15:35spill, 0 min~1.7 km
2026-08-08 07:47spill, 26 min~1.7 km
2026-08-08 04:10spill, 2 min~1.7 km
2026-08-07 18:12spill, 22 min~1.7 km
2026-08-07 17:19spill, 11 min~1.7 km
2026-08-07 15:59spill, 3 min~1.7 km
2026-08-04 21:58spill, 0 min~3.9 km
2026-08-04 19:52spill, 3 min~1.7 km
2026-08-04 18:34spill, 71 min~1.7 km
2026-08-04 11:19spill, 46 min~1.3 km
2026-07-30 10:27spill, 20 min~1.3 km
2026-07-30 10:19spill, 33 min~3.4 km
2026-07-30 06:02spill, 33 min~3.4 km
2026-07-30 04:54spill, 14 min~3.4 km
2026-07-30 00:18spill, 2 min~3.4 km
2026-07-29 00:06spill, 1 min~3.4 km
2026-07-28 04:33spill, 7 min~3.4 km
2026-07-27 22:15spill, 3 min~3.4 km
2026-07-27 21:33spill, 14 min~3.4 km
2026-07-27 16:48spill, 7 min~3.4 km
2026-07-26 22:09spill, 4 min~3.4 km
2026-07-24 21:04spill, 9 min~3.4 km
2026-07-23 11:11spill, 2 min~2.5 km
2026-07-23 10:14spill, 0 min~3.9 km
2026-07-23 10:08spill, 6 min~2.5 km
2026-07-23 03:48spill, 9 min~3.4 km
2026-07-22 09:45spill, 3 min~3.4 km
2026-07-22 09:27spill, 3 min~3.4 km
2026-07-22 09:00spill, 0 min~3.4 km
2026-07-22 08:07spill, 12 min~3.4 km
2026-07-22 07:43spill, 9 min~3.4 km
2026-07-22 03:52spill, 6 min~3.4 km
2026-07-22 02:47spill, 35 min~3.4 km
2026-07-22 01:23spill, 15 min~3.4 km
2026-07-21 04:00spill, 2 min~3.4 km
2026-07-18 20:21spill, 23 min~1.9 km
2026-07-17 19:05spill, 90 min~1.9 km
2026-07-17 09:01spill, 3 min~3.4 km
2026-07-17 04:02spill, 31 min~3.4 km
2026-07-16 19:28spill, 34 min~1.9 km
2026-07-16 11:12spill, 8 min~3.4 km
2026-07-16 10:49spill, 5 min~3.4 km
2026-07-16 09:53spill, 21 min~3.4 km
2026-07-16 08:45spill, 4 min~3.4 km
2026-07-16 05:41spill, 5 min~3.4 km
2026-07-16 04:49spill, 40 min~3.4 km
2026-07-16 04:10spill, 8 min~3.4 km
2026-07-16 02:53spill, 52 min~3.4 km
2026-07-16 01:57spill, 20 min~3.4 km
2026-07-16 00:56spill, 5 min~3.4 km
2026-07-15 21:30spill, 4 min~3.4 km
2026-07-15 19:34spill, 2 min~3.4 km
2026-07-15 17:36spill, 85 min~1.9 km
2026-07-14 17:13spill, 34 min~1.9 km
2026-07-05 15:22spill, 2 min~2.5 km
2026-07-03 20:07spill, 4 min~3.4 km
2026-07-03 19:40spill, 1 min~3.4 km
2026-07-03 18:36spill, 58 min~3.4 km
2026-07-03 15:52spill, 23 min~3.4 km
2026-07-03 13:27spill, 14 min~3.4 km
2026-07-03 10:42spill, 2 min~3.4 km
2026-07-03 10:00spill, 7 min~3.4 km
2026-07-03 09:30spill, 1 min~3.4 km
2026-07-03 08:32spill, 19 min~3.4 km
2026-07-03 06:43spill, 23 min~3.4 km
2026-07-03 04:55spill, 80 min~3.4 km
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 — 7-year trend

Water quality in 2026 was broadly level with 2025.

YearEA classificationSamplesE. coli (geo-mean)Enterococci (geo-mean)High readings
2019—310 cfu/100ml10 cfu/100ml0
2020—322 cfu/100ml24 cfu/100ml0
2021—634 cfu/100ml23 cfu/100ml0
2022—1011 cfu/100ml11 cfu/100ml0
2023—1014 cfu/100ml12 cfu/100ml0
2024—1011 cfu/100ml10 cfu/100ml0
2025excellent2011 cfu/100ml11 cfu/100ml0
2026—2010 cfu/100ml11 cfu/100ml0

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.

Gyllyngvase — frequently asked questions

Is it safe to swim at Gyllyngvase today?

Gyllyngvase is currently rated RED: Storm overflow discharging within 5 km right now. Incoming/high tide may carry discharge closer to shore. 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 293 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
8 min ago (2026-10-24 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, 23 outfalls monitored within 5 km.
Risk model
v0.4
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Sample timeline (JSON) · All beaches (CSV)
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