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Sunday, 13. September 2026

Water quality at Playa de Castillo-Bajamar (San Juan) today

Officially measured

bathing permitted

Last sample: 7 September 2026

Calculated for today

Weak signal today

Reason: discharge 201 m away, not authorised, slight contamination possible.

119 metres away, Saneamiento Piscinas de Bajamar discharges into the sea, carrying domestic waste water. The register lists no permit for it. No treatment stage is documented for it.

Official sample

E. coli29Limit 500
Intestinal enterococci29Limit 185
Official verdictbathing permitted (Zona Apta para el baño)
Annual classexcellent (EXCELENTE)

This sample was taken on 7 September 2026, so for today it is only an indication. This zone is sampled about every 14 days, the next sample was expected on 21 September 2026.

Satellite image of Playa de Castillo-Bajamar (San Juan) in San Cristóbal de La Laguna, with the position of the nearest wastewater outfall 119 metres away.
Satellite image of Playa de Castillo-Bajamar (San Juan) in San Cristóbal de La Laguna, with the position of the nearest wastewater outfall 119 metres away. Map data: Esri, Maxar, Earthstar Geographics.

Conditions today

Rain over the past 48 hours0.0 mm
Current0.2 km/h
Wave height1.36 m

Waste water discharges nearby

Waste water discharges nearbyDistanceOfficial verdictTreatmentCondition of the pipe
Saneamiento Piscinas de Bajamar119 mnot authorisedno datano data
Aliviadero emergencia EBAR Bajamar201 mnot authorisedscreening onlyno data
Piscinas públicas de Bajamar231 mnot authorisedno datagood
Emisario Submarino de Emergencia EBAR Bajamar770 mauthorisedscreening onlypoor
Club Náutico de Bajamar - Piscina Climatizada837 mpendingno datagood
Club Náutico de Bajamar - Piscina Noreste867 mpendingno datagood
Club Náutico de Bajamar - EBAR Norte911 mnot authorisedno datagood
Club Náutico de Bajamar - Piscina Norte920 mpendingno datagood

History

36 samples since 22 May 2023, 0 of them with a ban or warning.

Why this page exists

This page exists because a waste water outlet discharges into the sea 119 metres away. The measurement series for this zone has been unremarkable so far.

Official bathing water profile (PDF)

The map needs JavaScript. All readings are in the tables on this page as well.

Beaches nearby

All bathing zones on Tenerife To the map of all Canary Islands

This page does not replace official bathing water monitoring or a warning issued by the municipality. The estimated part is our own calculation, not a measurement.

Sources: Gobierno de Canarias (Dirección General de Salud Pública; Censo de vertidos desde tierra al mar), Ministerio de Sanidad (NÁYADE), European Environment Agency (UWWTD), Ministerio para la Transición Ecológica, Open-Meteo. Data as of: 2026-09-13, 22:49