Mexico water quality

Water samples, official beach notices, and an experimental ocean forecast.

Check the current beach notice

Lab results describe water collected on the sample date. Conditions can change between samples.

Check San Diego County closures and advisories →

The County’s notices cover San Diego County; they do not establish beach status in Mexico.

Latest available samples in Mexico

Lab data retrieved 2026-10-13. Sample dates are listed below.

Results retain their reported units and qualifiers. DNA copies and culture counts use different methods. Outlet samples describe the outlet, rather than the adjacent swimming beach.

Latest sampled day for each indicator and station; highest result when there are several that day.
Monitoring station	Sample date	Indicator	Reported result
Playas Blanca MEXBC-010	2026-09-22	Enterococcus	1000 CFU/100ml
Playas Blanca MEXBC-010	2026-09-22	Fecal Coliforms	2600 CFU/100ml
Playas Blanca MEXBC-010	2026-09-22	Total Coliforms	5800 CFU/100ml
El Vigia MEXBC-020	2026-09-22	Enterococcus	<2 CFU/100ml
El Vigia MEXBC-020	2026-09-22	Fecal Coliforms	<2 CFU/100ml
El Vigia MEXBC-020	2026-09-22	Total Coliforms	<20 CFU/100ml
Playas De Tijuana MEXBC-030	2026-09-22	Enterococcus	4 CFU/100ml
Playas De Tijuana MEXBC-030	2026-09-22	Fecal Coliforms	<2 CFU/100ml
Playas De Tijuana MEXBC-030	2026-09-22	Total Coliforms	<20 CFU/100ml

Source: California BeachWatch monitoring records.

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