Water Quality at S. PEDRO DO ESTORIL

🇵🇹 Portugalcoastal38.693, -9.369

This data reflects historical water quality classifications and is not a real-time safety assessment. Water quality can change rapidly due to weather, sewage events, or algae blooms. Always check with local authorities or lifeguard stations before swimming.

A+
Excellent

Safe to swim

This bathing water meets the highest EU water quality standards. Very low levels of bacterial contamination detected.

Based on 2024 bathing season data

Source: European Environment Agency / EU Bathing Water Directive (2006/7/EC)

Latest Measurements

Intestinal Enterococci
46cfu/100ml
Exc
Good
Suf
E. coli
94cfu/100ml
Exc
Good
Suf

Sample date: 2024-10-08

5-Year Quality Trend

E
2024
E
2023
E
2022
E
2021
E
2020
ExcellentGoodSufficientPoor

Season Monitoring Results

DateEnterococciE. coli
2024-10-084694
2024-09-302245
2024-09-231215
2024-09-165461
2024-09-091515
2024-09-02730
2024-08-26115
2024-08-19315
2024-08-121515
2024-08-05130
2024-07-29515
2024-07-22145
2024-07-161515
2024-07-09115
2024-07-01715
2024-06-241140
2024-06-171515
2024-06-11115
2024-06-03315
2024-05-27115
2024-05-201515
2024-05-13115
2024-05-06115
2024-04-191515

Values in cfu/100ml (colony-forming units per 100ml)

What are E. coli and enterococci?

E. coli and intestinal enterococci are indicator bacteria for fecal contamination. Their presence suggests sewage or animal waste in the water, which may contain harmful pathogens. The EU Bathing Water Directive (2006/7/EC) classifies water quality based on these two indicators.