Data as of: 2026-09-19, 11:48
Officially measured
bathing permitted
Most recent sample: 7 September 2026
Our calculation
No signal today
Nearest waste water discharge: 370 metres away, not authorised
* Calculated from rain, live data on ocean currents and the zone own sample series. Updated hourly.
Playa de San Juan is situated in Guía de Isora on Tenerife. The seabed consists of dark sand and the bathing area is partly open and partly sheltered. Measuring approximately 310 metres in length and around 37 metres in width, the beach is larger than the average for Tenerife's bathing areas. The local council reports that the beach has lifeguards, wheelchair access, first-aid facilities, a promenade, showers, changing rooms, toilets, drinking water, vehicle access and a footpath.
Most recent official sample
| E. coli | 40 | Limit 500 |
|---|---|---|
| Intestinal enterococci | 5 | Limit 185 |
| Official verdict | bathing permitted (Zona Apta para el baño) | |
| Annual class | excellent (EXCELENTE) | |
The most recent sample was taken on 7 September 2026. For conditions today it is only an indication. This zone is sampled about every 21 days, and by that rhythm the next sample is due on 28 September 2026.
Conditions today
| Rain over the past 48 hours | 0.0 millimetres |
|---|---|
| Current | 0.6 km/h |
| Wave height | 0.82 metres |
Waste water discharges nearby
| Waste water discharges nearby | Distance | Official verdict | Treatment | Condition of the pipe |
|---|---|---|---|---|
| Pluviales de la Avenida del Emigrante | 254 Meter | pending | no data | no data |
| Aliviadero EBAR Playa San Juan | 359 Meter | pending | no data | poor |
| Aliviadero del Colector de Playa San Juan | 370 Meter | not authorised | no data | poor |
| Emisario Submarino de Playa San Juan | 887 Meter | authorised | screening and sieving | good |
| Conducción de desagüe en Playa de Abama | 1.2 Kilometer | authorised | screening, sieving, grease and grit removal | good |
| EDAM Fonsalía | 1.3 Kilometer | authorised | no data | good |
| Aliviadero EBAR Muelle de Alcalá | 2.8 Kilometer | not authorised | screening only | good |
| Aliviadero 2 EBAR Muelle Viejo de Alcalá | 2.8 Kilometer | not authorised | screening only | no data |
Treatment plants without a biological stage nearby
| Plant | Population equivalents | Distance |
|---|---|---|
| ETAR Playa San Juan | 11,100 | 896 Meter |
History
58 samples since 23 January 2023, none of them with a ban or warning.
This page exists because a waste water outlet discharges into the sea 254 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
Waste water news from the 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.