Crantock water quality

RED

designated bathing water · · South West Water

Crantock 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 good (2025), and 151 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: 3
  • Recent overflows (48h): 15
  • Rainfall (48h): 31.2 mm

Official EA classification

good (2025)

Latest official sample

2026-09-14 — E.coli 10, enterococci 18 cfu/100ml

Latest independent sample

None published

Pollution & environment data

31.2 mm
Rainfall 48h
58.1 mm
Rainfall 7d
8
Outfalls within 5 km
151
Spills (2025, official)
90
Spills 2026 so far (live)
50
Spills last 30d
high 2.71m
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 Crantock

Download CSV

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

90 discharge events
StartEndOutfallDistance
2026-10-24 13:16ongoingATLANTIC OCEAN (C)~1.0 km
2026-10-24 13:01ongoingATLANTIC OCEAN(T)~2.6 km
2026-10-24 13:012026-10-24 13:46UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-24 12:472026-10-24 15:01ATLANTIC OCEAN (C)~1.0 km
2026-10-24 12:40ongoingATLANTIC OCEAN(T)~2.6 km
2026-10-24 00:022026-10-24 00:04UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-23 13:002026-10-23 13:02UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-23 04:502026-10-23 04:56UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-23 00:002026-10-23 02:00ATLANTIC OCEAN(T)~2.6 km
2026-10-22 23:342026-10-23 01:45ATLANTIC OCEAN(T)~2.6 km
2026-10-22 20:162026-10-22 23:15ATLANTIC OCEAN(T)~2.6 km
2026-10-22 20:162026-10-22 21:30ATLANTIC OCEAN (C)~1.0 km
2026-10-22 20:162026-10-22 20:31UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-22 20:042026-10-22 20:08UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-22 20:002026-10-22 21:13ATLANTIC OCEAN (C)~1.0 km
2026-10-22 19:482026-10-22 23:00ATLANTIC OCEAN(T)~2.6 km
2026-10-22 19:462026-10-22 20:01UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-22 16:582026-10-22 17:02UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-21 20:202026-10-21 20:22UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-21 17:042026-10-21 17:06UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-21 12:482026-10-21 12:50UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-21 11:012026-10-21 11:17UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-21 10:482026-10-21 10:50UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-21 08:312026-10-21 08:46UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-21 02:152026-10-21 02:30ATLANTIC OCEAN(T)~2.6 km
2026-10-21 01:582026-10-21 02:16ATLANTIC OCEAN(T)~2.6 km
2026-10-20 23:452026-10-21 00:00UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-17 07:542026-10-17 07:56UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-15 22:152026-10-16 02:15ATLANTIC OCEAN(T)~2.6 km
2026-10-15 21:472026-10-16 02:00ATLANTIC OCEAN(T)~2.6 km
2026-10-15 21:452026-10-15 23:45ATLANTIC OCEAN (C)~1.0 km
2026-10-15 21:292026-10-15 23:30ATLANTIC OCEAN (C)~1.0 km
2026-10-15 21:152026-10-15 21:30RIVER GANNEL (S)~0.5 km
2026-10-15 21:012026-10-15 21:30UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-15 20:512026-10-15 21:02RIVER GANNEL (S)~0.5 km
2026-10-15 20:462026-10-15 21:16UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-01 08:452026-10-01 09:00UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-10-01 08:442026-10-01 08:46UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-09-30 01:402026-09-30 01:46UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-09-29 21:342026-09-29 21:46ATLANTIC OCEAN (C)~1.0 km
2026-09-29 21:152026-09-30 00:30ATLANTIC OCEAN(T)~2.6 km
2026-09-29 21:002026-09-30 00:13ATLANTIC OCEAN(T)~2.6 km
2026-09-29 21:002026-09-29 21:45ATLANTIC OCEAN (C)~1.0 km
2026-09-29 20:042026-09-29 20:10UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-09-29 20:012026-09-29 20:30UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-09-29 11:452026-09-29 12:15STREAM (S)~3.4 km
2026-09-29 11:232026-09-29 11:50STREAM (S)~3.4 km
2026-09-27 19:322026-09-27 19:34STREAM (S)~3.4 km
2026-09-27 11:562026-09-27 11:59STREAM (S)~3.4 km
2026-09-27 02:152026-09-27 02:18STREAM (S)~3.4 km
2026-09-22 12:452026-09-22 13:00STREAM (S)~3.4 km
2026-09-22 12:332026-09-22 12:40STREAM (S)~3.4 km
2026-09-22 09:582026-09-22 10:00STREAM (S)~3.4 km
2026-09-22 04:592026-09-22 05:02STREAM (S)~3.4 km
2026-09-15 14:522026-09-15 14:58UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-09-11 21:292026-09-11 21:31STREAM (S)~3.4 km
2026-09-08 03:192026-09-08 04:18ATLANTIC OCEAN (C)~1.0 km
2026-09-08 02:302026-09-08 02:30ATLANTIC OCEAN(T)~2.6 km
2026-09-08 02:162026-09-08 06:28ATLANTIC OCEAN(T)~2.6 km
2026-09-07 21:422026-09-07 21:46UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-09-04 19:532026-09-04 20:49STREAM (S)~3.4 km
2026-08-30 12:262026-08-30 12:30UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-08-29 08:102026-08-29 09:33ATLANTIC OCEAN(T)~2.6 km
2026-08-29 06:452026-08-29 10:15ATLANTIC OCEAN(T)~2.6 km
2026-08-29 05:302026-08-29 06:30ATLANTIC OCEAN (C)~1.0 km
2026-08-29 04:562026-08-29 05:58ATLANTIC OCEAN (C)~1.0 km
2026-08-29 04:452026-08-29 05:30ATLANTIC OCEAN(T)~2.6 km
2026-08-29 04:442026-08-29 04:48UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-08-29 04:302026-08-29 04:45UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-08-27 14:082026-08-27 14:10STREAM (S)~3.4 km
2026-08-27 02:302026-08-27 03:45UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-08-27 02:282026-08-27 02:34UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-08-26 23:312026-08-26 23:32STREAM (S)~3.4 km
2026-08-25 10:452026-08-25 11:15STREAM (S)~3.4 km
2026-08-25 10:272026-08-25 10:47STREAM (S)~3.4 km
2026-08-25 07:302026-08-25 07:45STREAM (S)~3.4 km
2026-08-25 07:122026-08-25 07:19STREAM (S)~3.4 km
2026-08-19 04:422026-08-19 05:15UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-06-30 20:262026-06-30 20:43STREAM (S)~3.4 km
2026-06-30 20:002026-06-30 21:30STREAM (S)~3.4 km
2026-06-30 19:062026-06-30 21:15STREAM (S)~3.4 km
2026-06-30 17:152026-06-30 18:00STREAM (S)~3.4 km
2026-06-24 11:442026-06-24 11:48STREAM (S)~3.4 km
2026-06-19 23:482026-06-19 23:58UNNAMED DITCH,TRENANCE LAKE(S)~4.9 km
2026-06-18 02:262026-06-18 04:19TRIB OF PORTH JOKE~1.8 km
2026-05-22 16:312026-05-22 16:36ATLANTIC OCEAN (C)~1.0 km
2026-05-03 17:292026-05-03 18:59ATLANTIC OCEAN(T)~2.6 km
2026-05-03 13:422026-05-03 14:14RIVER GANNEL (S)~0.5 km
2026-03-03 13:372026-03-03 13:50NEWQUAY BAY (C)~2.7 km
2026-02-01 22:542026-02-01 22:58CRANTOCK BEACH (C)~0.5 km
83 precise spill records (duration & volume)
WhenDetailDistance
2026-10-24 12:47spill, 102 min~1.0 km
2026-10-24 12:46spill, 34 min~4.9 km
2026-10-24 12:40spill, 109 min~2.6 km
2026-10-24 00:02spill, 2 min~4.9 km
2026-10-23 13:00spill, 2 min~4.9 km
2026-10-23 04:50spill, 6 min~4.9 km
2026-10-22 23:34spill, 119 min~2.6 km
2026-10-22 20:04spill, 4 min~4.9 km
2026-10-22 20:00spill, 73 min~1.0 km
2026-10-22 19:48spill, 169 min~2.6 km
2026-10-22 19:38spill, 4 min~4.9 km
2026-10-22 16:58spill, 4 min~4.9 km
2026-10-21 20:20spill, 2 min~4.9 km
2026-10-21 17:04spill, 2 min~4.9 km
2026-10-21 16:10spill, 2 min~4.9 km
2026-10-21 15:42spill, 2 min~4.9 km
2026-10-21 15:24spill, 2 min~4.9 km
2026-10-21 12:48spill, 2 min~4.9 km
2026-10-21 12:24spill, 2 min~4.9 km
2026-10-21 10:48spill, 2 min~4.9 km
2026-10-21 09:46spill, 2 min~4.9 km
2026-10-21 08:12spill, 2 min~4.9 km
2026-10-21 06:40spill, 2 min~4.9 km
2026-10-21 01:58spill, 18 min~2.6 km
2026-10-20 23:24spill, 20 min~4.9 km
2026-10-17 07:54spill, 2 min~4.9 km
2026-10-15 21:47spill, 238 min~2.6 km
2026-10-15 21:29spill, 90 min~1.0 km
2026-10-15 20:51spill, 12 min~0.5 km
2026-10-15 20:46spill, 30 min~4.9 km
2026-10-01 08:44spill, 2 min~4.9 km
2026-10-01 04:48spill, 10 min~4.9 km
2026-10-01 04:42spill, 2 min~4.9 km
2026-09-30 01:40spill, 6 min~4.9 km
2026-09-29 21:34spill, 12 min~1.0 km
2026-09-29 21:00spill, 193 min~2.6 km
2026-09-29 20:04spill, 6 min~4.9 km
2026-09-29 11:23spill, 27 min~3.4 km
2026-09-27 19:32spill, 2 min~3.4 km
2026-09-27 11:56spill, 4 min~3.4 km
2026-09-27 02:15spill, 3 min~3.4 km
2026-09-22 12:33spill, 7 min~3.4 km
2026-09-22 09:58spill, 3 min~3.4 km
2026-09-22 04:59spill, 3 min~3.4 km
2026-09-15 14:52spill, 6 min~4.9 km
2026-09-11 21:29spill, 1 min~3.4 km
2026-09-08 03:19spill, 59 min~1.0 km
2026-09-08 02:16spill, 253 min~2.6 km
2026-09-07 21:42spill, 4 min~4.9 km
2026-09-04 19:53spill, 56 min~3.4 km
2026-09-02 03:33spill, 2 min~3.4 km
2026-08-30 12:26spill, 4 min~4.9 km
2026-08-29 08:10spill, 84 min~2.6 km
2026-08-29 04:56spill, 63 min~1.0 km
2026-08-29 04:44spill, 4 min~4.9 km
2026-08-27 14:08spill, 2 min~3.4 km
2026-08-27 02:28spill, 6 min~4.9 km
2026-08-26 23:31spill, 1 min~3.4 km
2026-08-26 22:50spill, 4 min~4.9 km
2026-08-25 10:27spill, 20 min~3.4 km
2026-08-25 07:12spill, 6 min~3.4 km
2026-08-19 04:42spill, 10 min~4.9 km
2026-06-30 20:26spill, 17 min~3.4 km
2026-06-30 19:06spill, 53 min~3.4 km
2026-06-30 18:50spill, 1 min~3.4 km
2026-06-24 11:44spill, 3 min~3.4 km
2026-06-24 11:44spill, 3 min~3.4 km
2026-06-19 23:48spill, 10 min~4.9 km
2026-06-19 23:48spill, 10 min~4.9 km
2026-06-18 02:26spill, 113 min~1.8 km
2026-06-18 02:26spill, 113 min~1.8 km
2026-05-22 16:31spill, 6 min~1.0 km
2026-05-22 16:31spill, 6 min~1.0 km
2026-05-03 17:29spill, 90 min~2.6 km
2026-05-03 17:29spill, 90 min~2.6 km
2026-05-03 13:42spill, 32 min~0.5 km
2026-05-03 13:42spill, 32 min~0.5 km
2026-03-07 05:37spill, 90 min~2.8 km
2026-03-07 05:37spill, 90 min~2.8 km
2026-03-03 13:37spill, 13 min~2.7 km
2026-03-03 13:37spill, 13 min~2.7 km
2026-02-01 22:54spill, 3 min~0.5 km
2026-02-01 22:54spill, 3 min~0.5 km
Take action — email SWW / your MPGot ill here? Build a reportReport pollution

Water quality — 7-year trend

Water quality improved in 2026: average E. coli was 30% lower than 2025.

YearEA classificationSamplesE. coli (geo-mean)Enterococci (geo-mean)High readings
2019—1215 cfu/100ml17 cfu/100ml0
2020—326 cfu/100ml12 cfu/100ml0
2021—2028 cfu/100ml27 cfu/100ml2 of 20
2022—2014 cfu/100ml17 cfu/100ml1 of 20
2023—2220 cfu/100ml20 cfu/100ml2 of 22
2024—2028 cfu/100ml23 cfu/100ml2 of 20
2025good2025 cfu/100ml19 cfu/100ml2 of 20
2026—1918 cfu/100ml22 cfu/100ml1 of 19

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.

Crantock — frequently asked questions

Is it safe to swim at Crantock today?

Crantock 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 Crantock?

151 storm-overflow spills were recorded near Crantock in 2025 (EA Event Duration Monitoring), and 90 spill events have been logged nearby so far this year.

What is Crantock's bathing water classification?

Crantock is classified good for 2025 by the Environment Agency.

Data & provenance

Last updated
6 min ago (2026-10-24 15:00 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, 8 outfalls monitored within 5 km.
Risk model
v0.4
Download
Sample timeline (JSON) · All beaches (CSV)
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