England · New Forest
Calshot
Caution. Sewage discharge 7.4km away 2 days ago.
Water quality only This says nothing about tides, rip currents, cold water shock or lifeguard cover. Cold water and currents are dangerous even when the water is clean. Read the local signs before you go in. What we cannot tell you.
Checked UK time
Why this verdict
- Discharge nearby
- 7.4km 2 days ago (negative factor)
- Annual classification
- Excellent (positive factor)
- Pollution risk forecast
- Normal (positive factor)
- Rainfall (24h)
- 0mm (positive factor)
- Latest E. coli
- 10 cfu/100ml (positive factor)
- Latest intestinal enterococci
- 10 cfu/100ml (positive factor)
Recent sewage discharges nearby
Storm overflows operated by Southern Water Services Limited within ten kilometres in the last 48 hours.
- Ended 2 days agoSWS00730 · into HAMBLE7.4km from the bathing water
Latest bacteria reading
Latest sample · 19 August 2026 · 13 days ago
- E. coli
- 10cfu/100ml
- Intestinal enterococci
- 10cfu/100ml
The regulator samples weekly during the bathing season. E. coli and intestinal enterococci are the indicator organisms used in the official classification.
Sewage spills, 2021 to 2025
The Environment Agency links 1 storm overflow to Calshot. In 2025 it discharged 2 times.
Down 87% since 2021, from 15 spills to 2.
Counting every monitored overflow within ten kilometres instead, whether or not it drains here, gives 673 spills across 44 overflows in 2025.
Common questions
- Can you swim at Calshot?
- Caution. Sewage discharge 7.4km away 2 days ago. Calshot is a designated bathing water, so it is sampled and rated every season. This answer covers water quality only, not tides, currents or lifeguard cover.
- What is the water quality like at Calshot?
- Calshot is rated Excellent in the regulator's latest annual classification, a percentile taken over readings from up to four bathing seasons. The most recent sample, taken 19 August 2026, showed 10 cfu/100ml of E. coli and 10 cfu/100ml of intestinal enterococci.
- Has there been sewage at Calshot recently?
- Yes. 1 storm overflow within ten kilometres of Calshot: 1 in the last 48 hours.
Where this data comes from
- Contains Environment Agency information © Environment Agency and database right
- Contains water-company storm overflow data, licensed under OGL v3
- Spill counts from the Environment Agency EDM Storm Overflow Annual Returns, 2021 to 2025, published annually.
- View the regulator's full profile
Other beaches nearby
Cleanest beaches in New Forest →
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Gareth Clubb