Polkerris water quality

GREEN

designated bathing water · · South West Water

Polkerris 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 497 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): 0.4 mm

Official EA classification

excellent (2025)

Latest official sample

2026-06-20 — E.coli 440, enterococci 450 cfu/100ml

Latest independent sample

None published

Pollution & environment data

0.4 mm
Rainfall 48h
0.9 mm
Rainfall 7d
13
Outfalls within 5 km
497
Spills (2025, official)
13
Spills 2026 so far (live)
5
Spills last 30d
rising 1.15m
Tide now

Recent storm overflows nearby (30 days)

In the news nearby

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

Recent spills near here (precise, SWW)

Full spill history near Polkerris

Download CSV

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

13 discharge events
StartEndOutfallDistance
2026-06-20 02:352026-06-20 02:36RIVER FOWEY ESTUARY (E)~4.0 km
2026-06-20 00:262026-06-20 04:22FOWEY ESTUARY (E)~3.5 km
2026-06-19 22:442026-06-19 22:48RIVER FOWEY ESTUARY (E)~3.4 km
2026-06-19 21:072026-06-19 21:56RIVER FOWEY ESTUARY(E)~3.5 km
2026-06-03 19:592026-06-03 20:10ST AUSTELL BAY (C)~0.2 km
2026-05-19 13:542026-05-19 14:49RIVER PAR~2.1 km
2026-05-08 10:242026-05-08 10:25ST BLAZEY STREAM~2.5 km
2026-04-27 11:222026-04-27 11:24RIVER FOWEY ESTUARY(E)~3.4 km
2026-04-23 08:182026-04-23 08:20RIVER FOWEY ESTUARY(E)~2.8 km
2026-04-20 09:352026-04-20 09:37RIVER FOWEY ESTUARY(E)~3.1 km
2026-02-18 17:252026-02-18 17:46RIVER FOWEY ESTUARY~3.6 km
2026-02-01 04:162026-02-01 04:35(C) ST AUSTELL BAY~2.9 km
2026-01-20 10:112026-01-20 10:23RIVER FOWEY ESTUARY(E)~2.9 km
28 precise spill records (duration & volume)
WhenDetailDistance
2026-06-20 02:35spill, 1 min~4.0 km
2026-06-20 02:35spill, 1 min~4.0 km
2026-06-20 00:26spill, 236 min~3.5 km
2026-06-20 00:26spill, 236 min~3.5 km
2026-06-19 22:44spill, 4 min~3.4 km
2026-06-19 22:44spill, 4 min~3.4 km
2026-06-19 21:07spill, 49 min~3.5 km
2026-06-19 21:07spill, 49 min~3.5 km
2026-06-03 19:59spill, 11 min~0.2 km
2026-06-03 19:59spill, 11 min~0.2 km
2026-05-19 13:54spill, 55 min~2.1 km
2026-05-19 13:54spill, 55 min~2.1 km
2026-05-08 10:24spill, 1 min~2.5 km
2026-05-08 10:24spill, 1 min~2.5 km
2026-04-27 11:22spill, 2 min~3.4 km
2026-04-27 11:22spill, 2 min~3.4 km
2026-04-23 08:18spill, 2 min~2.8 km
2026-04-23 08:18spill, 2 min~2.8 km
2026-04-20 09:35spill, 3 min~3.1 km
2026-04-20 09:35spill, 3 min~3.1 km
2026-02-18 17:25spill, 21 min~3.6 km
2026-02-18 17:25spill, 21 min~3.6 km
2026-02-01 04:16spill, 20 min~2.9 km
2026-02-01 04:16spill, 20 min~2.9 km
2026-01-20 10:11spill, 12 min~2.9 km
2026-01-20 10:11spill, 12 min~2.9 km
2026-01-08 11:29spill, 2 min~2.1 km
2026-01-08 11:29spill, 2 min~2.1 km
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Water quality trend

Polkerris — frequently asked questions

Is it safe to swim at Polkerris today?

Polkerris 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 Polkerris?

497 storm-overflow spills were recorded near Polkerris in 2025 (EA Event Duration Monitoring), and 13 spill events have been logged nearby so far this year.

What is Polkerris's bathing water classification?

Polkerris is classified excellent for 2025 by the Environment Agency.

Data & provenance

Last updated
2 h ago (2026-06-29 14:00 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, 13 outfalls monitored within 5 km.
Risk model
v0.3
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Sample timeline (JSON) · All beaches (CSV)
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