A Tenerife-wide view of official bathing-water results and coastal events recorded by MiCharco.
Latest official sample recorded: 3 Nov 2026
2026
The median E. coli result across the 836 samples recorded in 2026 so far is 9 cfu/100 ml, higher than any other year in MiCharco’s available sample history (next: 2025, 6 cfu/100 ml).
01Aug 26
The median E. coli result across samples recorded in August 2026 was 29 cfu/100 ml, the highest monthly median in MiCharco’s available sample history.
0267%
September and August account for 12 of the 18 coastal events recorded by MiCharco through October 2026.
0329 vs 470
In August 2026, the E. coli median was 29 cfu/100 ml, while the highest individual sample recorded that month reached 470 cfu/100 ml.
042 of 3
Of the 3 months with the most recorded coastal events in 2026, 2 had an E. coli median above the all-sample median (9 cfu/100 ml; 3,330 samples).
05About these figures: Medians are calculated across individual official samples in MiCharco’s available dataset and are recalculated automatically with every new record. They describe the recorded data and should not be interpreted as a real-time assessment of Tenerife’s bathing-water quality. Data through 3 Nov 2026.
Official bathing-water test results across Tenerife, showing patterns in E. coli and intestinal enterococci over time.
Each indicator is compared with its own Excellent classification reference: E. coli 250 cfu/100 ml and intestinal enterococci 100 cfu/100 ml. Each point is the monthly median; hovering shows the number of samples and the highest recorded value.
Bathing restrictions, closures, pollution alerts, discharges and infrastructure failures documented from official sources and other sourced reports. This section is separate from microbiological testing.
Period: August 2023 – October 2026
Every month in the available period appears on the axis, including those with no recorded events. The line connects the monthly values and the dots mark the highest peaks; hovering shows the number of events recorded that month.
