Beach and Creek Monitoring Results | Last Updated 14 Dec 2019

Water samples from natural recreational waters in San Mateo County are sampled each week for concentrations of indicator bacteria including E. Coli, Enterococcus, and Coliform bacteria. If concentrations of indicator bacteria exceed State or County standards, the area is posted to warn users that they may become ill if they engage in water contact activities in the posted area. More information about results and testing can be found on the San Mateo County Health System site: This dataset contains readings from January, 2012 to the present and is updated weekly.

Tags: beaches, creeks, water quality, bacteria

This dataset has the following 18 columns:

Column NameAPI Column NameData TypeSample Values
Site Idsite_idtext
Site Namesite_nametext
Site Typesite_typetext
Process Dateprocess_dacalendar_date
Enterolert Enterococci Resultenterolert_enterococci_rstnumber
Colilert 18 E. Coli Resultcolilert_18_e_coli_rsltnumber
Colilert 18 Total Coliform Resultcolilert_18_total_coliform_rstnumber
Enterolert Enterococci Postedenterolert_enterococci_psttext
Colilert 18 E. Coli Postedcolilert_18_e_coli_psttext
Colilert 18 Total Coliform Postedcolilert_18_total_coliform_psttext
Enterolert Enterococci Qualifierenterolert_enterococci_qfrtext
Colilert 18 E. Coli Qualifiercolilert_18_e_coli_qfrtext
Colilert 18 Total Coliform Qualifiercolilert_18_total_coliform_qfrtext