Playa Castillo · Bajamar · San Juan

Water quality, official measurements, discharges and incidents in San Cristóbal de La Laguna, Tenerife.

Current profile
Good94 / 100

This beach normally has a Very good historical profile (95/100). A recent incident is temporarily reducing its current profile by 1 point. The adjustment decreases over time if no further problems occur.

Last official sample:

This score summarises the situation using available official data and MiCharco's methodology. It does not represent real-time water conditions.

Swimming here today?

Check current conditions (opens in a new tab), warnings and on-site signage before entering the water.

Playa de San Juan or Bajamar bathing area in San Cristóbal de La Laguna
Field view · Playa Castillo · Bajamar · San JuanWikimedia Commons · Mentxuwiki · CC BY-SA 4.0 (opens in a new tab)

View official analyses, annual classification, incidents and nearby discharges related to Playa Castillo · Bajamar · San Juan.

Latest official test
46 days ago
E. coli
9
MPN / 100 mlBelow EU ‘Excellent’ reference value
Enterococci
9
MPN / 100 mlBelow EU ‘Excellent’ reference value
Nearest discharge
148 m
UnauthorisedRelevant pressure factor
Latest official status
Open

Current beach state published by Gobierno de Canarias: APTA PARA EL BAÑO

Incidents · 30 days
None recorded
Annual quality
Excellent
Historical context

Latest recorded incidents

Recorded water-quality incidents and official notices.

ReopenedMedia

Bathing reopened after follow-up analyses confirmed suitable bathing-water quality.

ClosedMedia

Temporary bathing prohibition following an unfavourable microbiological analysis.

Based on the trusted official and media sources monitored by MiCharco.

Official data

Latest official measurements

Measurement age visible · Not real time
Period
DateSampling pointE. coliEnterococciOfficial statusSourceDate retrievedLast official update
21 Sept 2026CENTRO9 MPN / 100 ml9 MPN / 100 mlSuitable for bathing1 Nov 20261 Nov 2026
7 Sept 2026CENTRO29 MPN / 100 ml29 MPN / 100 mlSuitable for bathing29 Sept 202629 Sept 2026
31 Aug 2026CENTRO9 MPN / 100 ml29 MPN / 100 mlSuitable for bathing17 Sept 202617 Sept 2026
10 Aug 2026CENTRO29 MPN / 100 ml40 MPN / 100 mlSuitable for bathing17 Sept 202617 Sept 2026
20 Jul 2026CENTRO29 MPN / 100 ml29 MPN / 100 mlSuitable for bathing17 Sept 202617 Sept 2026

Sample evolution

Recent microbiological measurements

CENTRO

25 May 2026–21 Sept 2026 · Official samples

E. coliEnterococci
Period

Recent official bathing-water samples. Lower values generally indicate lower levels of faecal indicator bacteria.

Beaches near Playa Castillo · Bajamar · San Juan

Frequently asked questions

What is the water quality at Playa Castillo · Bajamar · San Juan?

The official annual classification for Playa Castillo · Bajamar · San Juan is “Excellent”, while MiCharco’s historical profile is “Good”. MiCharco’s profile is based on the available official microbiological measurements and relevant recorded context. They use different methodologies and time frames; neither represents real-time water conditions.

When was the latest official sample taken?

The most recent official sample available for Playa Castillo · Bajamar · San Juan was taken on 21 Sept 2026. Bathing-water sampling is not daily; every sample is shown with its own date.

What were the latest E. coli and enterococci values?

In the official sample of 21 Sept 2026, E. coli measured 9 UFC/100 ml and intestinal enterococci 9 UFC/100 ml. These are values from that specific sample, not a measurement of today.

Are there registered discharges near Playa Castillo · Bajamar · San Juan?

According to the official land-to-sea discharge census, the nearest registered point is 148 m from Playa Castillo · Bajamar · San Juan. 9 registered points within 3 km is shown as contextual pressure and does not affect the historical profile. A registered discharge does not in itself imply a water-quality problem.

Have there been recent closures or incidents at Playa Castillo · Bajamar · San Juan?

There are no incidents with current relevance. The latest recorded incident is from 27 Aug 2026 and remains visible as part of the historical record.

Where does MiCharco's data come from?

From official sources: the Government of the Canary Islands bathing-water sampling, NÁYADE information where applicable, the official land-to-sea discharge census and communications from local administrations. Every record links to the original source.

Does MiCharco's data say whether I can swim today?

Not necessarily. An official sample may have been taken days or weeks earlier, and a good past sample does not guarantee today's conditions. For current restrictions, always check official notices and on-site signage.

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