Sharrow water quality

RED

designated bathing water · · South West Water

Sharrow 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 375 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: 7
  • Recent overflows (48h): 46
  • Rainfall (48h): 35.8 mm

Official EA classification

excellent (2025)

Latest official sample

2026-09-17 — E.coli 10, enterococci 10 cfu/100ml

Latest independent sample

None published

Pollution & environment data

35.8 mm
Rainfall 48h
70.8 mm
Rainfall 7d
12
Outfalls within 5 km
375
Spills (2025, official)
139
Spills 2026 so far (live)
79
Spills last 30d
rising 1.80m
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 Sharrow

Download CSV

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

140 discharge events
StartEndOutfallDistance
2026-10-24 14:012026-10-24 14:15WHITSAND BAY (C)~3.5 km
2026-10-24 13:45ongoingST JOHN'S LAKE (ESTUARINE)~2.8 km
2026-10-24 13:452026-10-24 14:15PLYMOUTH SOUND (ESTUARINE)~5.0 km
2026-10-24 13:352026-10-24 13:53PLYMOUTH SOUND (ESTUARINE)~5.0 km
2026-10-24 13:152026-10-24 14:15CAWSAND BAY (C)~4.5 km
2026-10-24 13:152026-10-24 13:30PLYMOUTH SOUND (ESTUARINE)~5.0 km
2026-10-24 13:15ongoingST JOHNS LEAT (E)~3.0 km
2026-10-24 12:52ongoingST JOHNS LEAT (E)~3.0 km
2026-10-24 12:152026-10-24 12:45ST JOHNS LEAT (E)~3.0 km
2026-10-24 12:00ongoingMILLBROOK LAKE~4.2 km
2026-10-24 11:45ongoingRIVER LYNHER ESTUARY~2.7 km
2026-10-24 11:402026-10-24 12:45CAWSAND BAY (C)~4.5 km
2026-10-24 11:37ongoingMILLBROOK LAKE~4.2 km
2026-10-24 11:18ongoingRIVER LYNHER ESTUARY~2.7 km
2026-10-24 11:152026-10-24 11:30RIVER LYNHER ESTUARY~2.7 km
2026-10-24 10:152026-10-24 10:30CAWSAND BAY (C)~4.5 km
2026-10-24 09:152026-10-24 09:30CAWSAND BAY (C)~4.5 km
2026-10-24 09:152026-10-24 09:45RIVER LYNHER ESTUARY~2.7 km
2026-10-24 08:502026-10-24 09:00ST JOHNS LEAT (E)~3.0 km
2026-10-24 08:502026-10-24 09:20RIVER LYNHER ESTUARY~2.7 km
2026-10-24 06:552026-10-24 07:00CAWSAND BAY (C)~4.5 km
2026-10-23 06:152026-10-23 06:30CAWSAND BAY (C)~4.5 km
2026-10-23 06:152026-10-23 08:45ST JOHNS LEAT (E)~3.0 km
2026-10-23 06:152026-10-23 06:30RIVER LYNHER ESTUARY~2.7 km
2026-10-23 05:502026-10-23 06:02CAWSAND BAY (C)~4.5 km
2026-10-23 05:502026-10-23 08:30ST JOHNS LEAT (E)~3.0 km
2026-10-23 05:482026-10-23 06:04RIVER LYNHER ESTUARY~2.7 km
2026-10-23 02:122026-10-23 02:13MILLBROOK LAKE~4.2 km
2026-10-23 01:452026-10-23 02:00ST JOHNS LEAT (E)~3.0 km
2026-10-23 01:322026-10-23 01:50RIVER LYNHER ESTUARY~2.7 km
2026-10-23 01:302026-10-23 01:40ST JOHNS LEAT (E)~3.0 km
2026-10-23 01:272026-10-23 01:28CAWSAND BAY (C)~4.5 km
2026-10-22 23:162026-10-22 23:22ST JOHNS LEAT (E)~3.0 km
2026-10-22 23:102026-10-22 23:19CAWSAND BAY (C)~4.5 km
2026-10-22 22:152026-10-22 22:30ST JOHNS LEAT (E)~3.0 km
2026-10-22 22:002026-10-23 11:15ST JOHN'S LAKE (ESTUARINE)~2.8 km
2026-10-22 21:452026-10-23 01:30MILLBROOK LAKE~4.2 km
2026-10-22 21:242026-10-23 01:15MILLBROOK LAKE~4.2 km
2026-10-22 21:072026-10-23 11:00ST JOHN'S LAKE (ESTUARINE)~2.8 km
2026-10-22 21:012026-10-22 21:30CAWSAND BAY ESTAURINE VIA SWS~4.6 km
2026-10-22 20:492026-10-22 20:56PLYMOUTH SOUND (ESTUARINE)~5.0 km
2026-10-22 20:452026-10-22 21:00ST JOHNS LEAT (E)~3.0 km
2026-10-22 20:452026-10-22 21:15RIVER LYNHER ESTUARY~2.7 km
2026-10-22 20:452026-10-22 21:17CAWSAND BAY ESTAURINE VIA SWS~4.6 km
2026-10-22 20:302026-10-22 20:48RIVER LYNHER ESTUARY~2.7 km
2026-10-22 20:262026-10-22 20:44ST JOHNS LEAT (E)~3.0 km
2026-10-22 20:162026-10-22 21:30CAWSAND BAY (C)~4.5 km
2026-10-22 19:582026-10-22 21:15CAWSAND BAY (C)~4.5 km
2026-10-22 19:452026-10-22 20:00RIVER LYNHER ESTUARY~2.7 km
2026-10-22 19:002026-10-22 19:15ST JOHNS LEAT (E)~3.0 km
2026-10-22 18:462026-10-22 19:01CAWSAND BAY (C)~4.5 km
2026-10-22 18:452026-10-22 19:30RIVER LYNHER ESTUARY~2.7 km
2026-10-22 18:222026-10-22 19:08RIVER LYNHER ESTUARY~2.7 km
2026-10-21 23:432026-10-21 23:46CAWSAND BAY (C)~4.5 km
2026-10-21 02:302026-10-21 03:00RIVER LYNHER ESTUARY~2.7 km
2026-10-21 02:222026-10-21 02:36ST JOHNS LEAT (E)~3.0 km
2026-10-21 02:122026-10-21 02:42RIVER LYNHER ESTUARY~2.7 km
2026-10-21 00:452026-10-21 01:00RIVER LYNHER ESTUARY~2.7 km
2026-10-20 23:152026-10-20 23:30CAWSAND BAY (C)~4.5 km
2026-10-20 22:562026-10-20 22:59CAWSAND BAY (C)~4.5 km
2026-10-19 16:152026-10-19 16:30RIVER LYNHER ESTUARY~2.7 km
2026-10-19 15:542026-10-19 16:04RIVER LYNHER ESTUARY~2.7 km
2026-10-19 15:522026-10-19 15:56ST JOHNS LEAT (E)~3.0 km
2026-10-15 23:002026-10-15 23:15CAWSAND BAY (C)~4.5 km
2026-10-15 22:402026-10-15 22:46CAWSAND BAY (C)~4.5 km
2026-10-15 22:242026-10-15 22:34RIVER LYNHER ESTUARY~2.7 km
2026-10-09 14:002026-10-09 14:15RIVER LYNHER ESTUARY~2.7 km
2026-10-09 13:462026-10-09 13:52RIVER LYNHER ESTUARY~2.7 km
2026-10-01 00:302026-10-01 00:45CAWSAND BAY (C)~4.5 km
2026-10-01 00:152026-10-01 00:25CAWSAND BAY (C)~4.5 km
2026-09-30 03:002026-09-30 03:15RIVER LYNHER ESTUARY~2.7 km
2026-09-30 02:452026-09-30 03:15CAWSAND BAY (C)~4.5 km
2026-09-30 02:382026-09-30 02:46ST JOHNS LEAT (E)~3.0 km
2026-09-30 02:382026-09-30 02:50RIVER LYNHER ESTUARY~2.7 km
2026-09-30 02:362026-09-30 02:49CAWSAND BAY (C)~4.5 km
2026-09-30 02:002026-09-30 02:15ST JOHNS LEAT (E)~3.0 km
2026-09-29 22:302026-09-29 22:45ST JOHNS LEAT (E)~3.0 km
2026-09-29 21:452026-09-29 23:00CAWSAND BAY (C)~4.5 km
2026-09-29 21:352026-09-29 22:27CAWSAND BAY (C)~4.5 km
2026-09-17 06:062026-09-17 06:12ST JOHNS LEAT (E)~3.0 km
2026-09-17 06:022026-09-17 06:14RIVER LYNHER ESTUARY~2.7 km
2026-09-13 11:402026-09-13 13:32RIVER LYNHER ESTUARY~2.7 km
2026-09-08 13:142026-09-08 13:15MILLBROOK LAKE~4.2 km
2026-09-08 05:542026-09-08 06:18RIVER LYNHER ESTUARY~2.7 km
2026-09-08 05:182026-09-08 12:27ST JOHN'S LAKE (ESTUARINE)~2.8 km
2026-09-08 04:172026-09-08 05:08CAWSAND BAY (C)~4.5 km
2026-09-08 00:152026-09-08 00:45CAWSAND BAY (C)~4.5 km
2026-09-08 00:152026-09-08 01:00RIVER LYNHER ESTUARY~2.7 km
2026-09-08 00:102026-09-08 00:20ST JOHNS LEAT (E)~3.0 km
2026-09-04 06:182026-09-04 06:23CAWSAND BAY (C)~4.5 km
2026-08-30 15:452026-08-30 16:00ST JOHNS LEAT (E)~3.0 km
2026-08-30 15:162026-08-30 15:40ST JOHNS LEAT (E)~3.0 km
2026-08-30 15:152026-08-30 16:30RIVER LYNHER ESTUARY~2.7 km
2026-08-30 15:082026-08-30 16:15RIVER LYNHER ESTUARY~2.7 km
2026-08-29 11:322026-08-29 11:34MILLBROOK LAKE~4.2 km
2026-08-29 10:152026-08-29 11:45ST JOHN'S LAKE (ESTUARINE)~2.8 km
2026-08-29 10:152026-08-29 11:45MILLBROOK LAKE~4.2 km
2026-08-29 09:502026-08-29 11:35ST JOHN'S LAKE (ESTUARINE)~2.8 km
2026-08-29 09:452026-08-29 12:15RIVER LYNHER ESTUARY~2.7 km
2026-08-29 09:182026-08-29 09:30ST JOHNS LEAT (E)~3.0 km
2026-08-29 09:182026-08-29 09:34RIVER LYNHER ESTUARY~2.7 km
2026-08-29 09:172026-08-29 09:20CAWSAND BAY (C)~4.5 km
2026-08-29 07:002026-08-29 08:15MILLBROOK LAKE~4.2 km
2026-08-29 06:002026-08-29 08:00ST JOHN'S LAKE (ESTUARINE)~2.8 km
2026-08-29 05:152026-08-29 05:30RIVER LYNHER ESTUARY~2.7 km
2026-08-29 04:302026-08-29 05:30CAWSAND BAY (C)~4.5 km
2026-08-29 04:302026-08-29 04:45CAWSAND BAY (C)~4.5 km
2026-08-29 04:302026-08-29 05:15ST JOHNS LEAT (E)~3.0 km
2026-08-29 04:282026-08-29 04:31PLYMOUTH SOUND (ESTUARINE)~5.0 km
2026-08-29 04:172026-08-29 04:53CAWSAND BAY (C)~4.5 km
2026-08-27 22:122026-08-27 22:14RIVER LYNHER ESTUARY~2.7 km
2026-08-25 06:482026-08-25 06:52RIVER LYNHER ESTUARY~2.7 km
2026-08-25 06:422026-08-25 06:46ST JOHNS LEAT (E)~3.0 km
2026-08-25 06:332026-08-25 06:40CAWSAND BAY (C)~4.5 km
2026-08-22 07:152026-08-22 07:30ST JOHNS LEAT (E)~3.0 km
2026-08-11 07:502026-08-11 07:52ST JOHNS LEAT (E)~3.0 km
2026-08-04 10:152026-08-04 11:45ST JOHNS LEAT (E)~3.0 km
2026-08-04 09:362026-08-04 11:28ST JOHNS LEAT (E)~3.0 km
2026-07-30 10:362026-07-30 10:38RIVER LYNHER~3.3 km
2026-07-30 08:152026-07-30 08:15ST JOHNS LEAT (E)~3.0 km
2026-07-29 09:152026-07-29 09:15ST JOHNS LEAT (E)~3.0 km
2026-07-25 08:302026-07-25 09:30ST JOHNS LEAT (E)~3.0 km
2026-07-25 08:042026-07-25 09:16ST JOHNS LEAT (E)~3.0 km
2026-07-22 16:152026-07-22 16:15RIVER LYNHER~3.3 km
2026-07-15 09:302026-07-15 10:45ST JOHN'S LAKE (ESTUARINE)~2.8 km
2026-07-15 09:012026-07-15 10:00ST JOHN'S LAKE (ESTUARINE)~2.8 km
2026-07-15 08:582026-07-17 09:15ST JOHNS LEAT (E)~3.0 km
2026-07-14 23:322026-07-14 23:34ST JOHNS LEAT (E)~3.0 km
2026-06-26 00:122026-06-26 00:13CAWSAND BAY (C)~4.5 km
2026-06-09 10:462026-06-09 10:50ST JOHNS LEAT (E)~3.0 km
2026-06-06 10:242026-06-06 12:43ST JOHN'S LAKE (ESTUARINE)~2.8 km
2026-06-06 07:542026-06-06 08:16RIVER LYNHER ESTUARY~2.7 km
2026-05-02 19:362026-05-02 19:38MILLBROOK LAKE~4.2 km
2026-05-02 14:162026-05-02 15:00CAWSAND BAY (C)~4.5 km
2026-02-26 23:202026-02-27 03:04CAWSAND BAY ESTAURINE VIA SWS~4.6 km
2026-02-18 15:542026-02-18 16:59WHITSAND BAY (C)~3.5 km
2026-02-13 18:062026-02-13 18:13MILLBROOK VIA SWS~3.1 km
2026-01-29 22:212026-01-29 22:28PLYMOUTH SOUND (ESTUARINE)~5.0 km
2026-01-23 20:402026-01-23 21:34CAWSAND BAY (C)~4.6 km
2025-10-26 21:002025-10-26 21:02RIVER LYNHER~3.3 km
130 precise spill records (duration & volume)
WhenDetailDistance
2026-10-24 14:28spill, 8 min~4.5 km
2026-10-24 13:40spill, 18 min~3.5 km
2026-10-24 13:35spill, 18 min~5.0 km
2026-10-24 13:18spill, 42 min~2.8 km
2026-10-24 13:07spill, 0 min~5.0 km
2026-10-24 12:52spill, 74 min~4.5 km
2026-10-24 12:52spill, 0 min~3.0 km
2026-10-24 11:46spill, 42 min~3.0 km
2026-10-24 11:40spill, 47 min~4.5 km
2026-10-24 11:37spill, 172 min~4.2 km
2026-10-24 11:26spill, 5 min~4.5 km
2026-10-24 11:18spill, 192 min~2.7 km
2026-10-24 10:58spill, 14 min~2.7 km
2026-10-24 10:38spill, 8 min~2.7 km
2026-10-24 10:06spill, 8 min~4.5 km
2026-10-24 09:20spill, 3 min~4.5 km
2026-10-24 08:52spill, 22 min~4.5 km
2026-10-24 08:50spill, 10 min~3.0 km
2026-10-24 08:50spill, 30 min~2.7 km
2026-10-24 06:55spill, 5 min~4.5 km
2026-10-23 05:50spill, 11 min~4.5 km
2026-10-23 05:50spill, 4 min~3.0 km
2026-10-23 05:48spill, 16 min~2.7 km
2026-10-23 02:12spill, 1 min~4.2 km
2026-10-23 01:32spill, 18 min~2.7 km
2026-10-23 01:30spill, 10 min~3.0 km
2026-10-23 01:27spill, 1 min~4.5 km
2026-10-22 23:16spill, 6 min~3.0 km
2026-10-22 23:10spill, 9 min~4.5 km
2026-10-22 22:51spill, 8 min~4.5 km
2026-10-22 22:04spill, 10 min~3.0 km
2026-10-22 21:24spill, 212 min~4.2 km
2026-10-22 21:07spill, 798 min~2.8 km
2026-10-22 20:49spill, 4 min~4.5 km
2026-10-22 20:49spill, 8 min~5.0 km
2026-10-22 20:45spill, 33 min~4.6 km
2026-10-22 20:30spill, 18 min~2.7 km
2026-10-22 20:26spill, 18 min~3.0 km
2026-10-22 19:58spill, 31 min~4.5 km
2026-10-22 19:58spill, 8 min~2.7 km
2026-10-22 19:56spill, 6 min~3.0 km
2026-10-22 19:34spill, 6 min~2.7 km
2026-10-22 18:35spill, 10 min~4.5 km
2026-10-22 18:32spill, 16 min~3.0 km
2026-10-22 18:22spill, 38 min~2.7 km
2026-10-21 23:43spill, 2 min~4.5 km
2026-10-21 22:40spill, 7 min~4.5 km
2026-10-21 02:22spill, 14 min~3.0 km
2026-10-21 02:12spill, 30 min~2.7 km
2026-10-21 00:34spill, 6 min~2.7 km
2026-10-20 22:56spill, 3 min~4.5 km
2026-10-19 15:54spill, 10 min~2.7 km
2026-10-19 15:52spill, 4 min~3.0 km
2026-10-15 22:40spill, 6 min~4.5 km
2026-10-15 22:24spill, 10 min~2.7 km
2026-10-09 13:46spill, 6 min~2.7 km
2026-10-01 00:15spill, 10 min~4.5 km
2026-09-30 02:38spill, 8 min~3.0 km
2026-09-30 02:38spill, 12 min~2.7 km
2026-09-30 02:36spill, 13 min~4.5 km
2026-09-30 01:50spill, 6 min~4.5 km
2026-09-30 01:46spill, 4 min~3.0 km
2026-09-30 00:56spill, 4 min~2.7 km
2026-09-29 22:14spill, 14 min~3.0 km
2026-09-29 21:35spill, 53 min~4.5 km
2026-09-29 21:32spill, 64 min~2.7 km
2026-09-17 06:06spill, 6 min~3.0 km
2026-09-17 06:02spill, 12 min~2.7 km
2026-09-13 11:40spill, 112 min~2.7 km
2026-09-08 13:14spill, 2 min~4.2 km
2026-09-08 05:54spill, 24 min~2.7 km
2026-09-08 05:18spill, 429 min~2.8 km
2026-09-08 04:17spill, 51 min~4.5 km
2026-09-08 00:16spill, 12 min~4.5 km
2026-09-08 00:10spill, 10 min~3.0 km
2026-09-08 00:02spill, 0 min~2.7 km
2026-09-08 00:01spill, 0 min~4.5 km
2026-09-07 23:22spill, 8 min~2.7 km
2026-09-04 06:18spill, 5 min~4.5 km
2026-08-30 15:16spill, 24 min~3.0 km
2026-08-30 15:08spill, 44 min~2.7 km
2026-08-30 13:22spill, 8 min~3.0 km
2026-08-30 13:20spill, 16 min~2.7 km
2026-08-29 11:32spill, 1 min~4.2 km
2026-08-29 09:50spill, 106 min~2.8 km
2026-08-29 09:18spill, 12 min~3.0 km
2026-08-29 09:18spill, 16 min~2.7 km
2026-08-29 09:17spill, 3 min~4.5 km
2026-08-29 04:28spill, 3 min~5.0 km
2026-08-29 04:17spill, 35 min~4.5 km
2026-08-27 22:12spill, 2 min~2.7 km
2026-08-25 06:48spill, 4 min~2.7 km
2026-08-25 06:42spill, 4 min~3.0 km
2026-08-25 06:33spill, 7 min~4.5 km
2026-08-22 09:42spill, 2 min~3.0 km
2026-08-22 07:08spill, 2 min~3.0 km
2026-08-11 07:50spill, 2 min~3.0 km
2026-08-04 09:36spill, 112 min~3.0 km
2026-07-30 10:36spill, 2 min~3.3 km
2026-07-30 08:15spill, 0 min~3.0 km
2026-07-29 09:15spill, 0 min~3.0 km
2026-07-25 08:04spill, 72 min~3.0 km
2026-07-22 16:15spill, 0 min~3.3 km
2026-07-15 09:01spill, 10 min~2.8 km
2026-07-15 08:58spill, 2824 min~3.0 km
2026-07-14 23:32spill, 2 min~3.0 km
2026-06-26 00:12spill, 1 min~4.5 km
2026-06-26 00:12spill, 1 min~4.5 km
2026-06-09 10:46spill, 4 min~3.0 km
2026-06-09 10:46spill, 4 min~3.0 km
2026-06-06 10:24spill, 139 min~2.8 km
2026-06-06 10:24spill, 139 min~2.8 km
2026-06-06 07:54spill, 22 min~2.7 km
2026-06-06 07:54spill, 22 min~2.7 km
2026-05-02 19:36spill, 2 min~4.2 km
2026-05-02 19:36spill, 2 min~4.2 km
2026-05-02 14:16spill, 44 min~4.5 km
2026-05-02 14:16spill, 44 min~4.5 km
2026-02-26 23:20spill, 224 min~4.6 km
2026-02-26 23:20spill, 224 min~4.6 km
2026-02-18 15:54spill, 65 min~3.5 km
2026-02-18 15:54spill, 65 min~3.5 km
2026-02-13 18:06spill, 7 min~3.1 km
2026-02-13 18:06spill, 7 min~3.1 km
2026-01-29 22:21spill, 8 min~5.0 km
2026-01-29 22:21spill, 8 min~5.0 km
2026-01-23 20:40spill, 54 min~4.6 km
2026-01-23 20:40spill, 54 min~4.6 km
2025-10-26 21:00spill, 2 min~3.3 km
2025-10-26 21:00spill, 2 min~3.3 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
2021—413 cfu/100ml20 cfu/100ml0
2022—1010 cfu/100ml10 cfu/100ml0
2023—1010 cfu/100ml10 cfu/100ml0
2024—1010 cfu/100ml10 cfu/100ml0
2025excellent2011 cfu/100ml10 cfu/100ml0
2026—1011 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.

Sharrow — frequently asked questions

Is it safe to swim at Sharrow today?

Sharrow 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 Sharrow?

375 storm-overflow spills were recorded near Sharrow in 2025 (EA Event Duration Monitoring), and 139 spill events have been logged nearby so far this year.

What is Sharrow's bathing water classification?

Sharrow is classified excellent 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, 12 outfalls monitored within 5 km.
Risk model
v0.4
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Sample timeline (JSON) · All beaches (CSV)
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