The catch basin data is collected by SFDPW Hydraulics Engineering and SFPUC Wastewater Enterprise, Collection System Division engineers, drafters and operators. The data is collected from sewer reference and construction documents and field surveys. You can learn more about how the City's wastewater collection system works here: http://www.sfwater.org/index.aspx?page=399

[Issue 2018-03-22]: The dataset is currently missing data from most of the 18 sampling locations for beach water quality. We are working with the Public Utilities Commission to reset the data feed and will post an updated dataset after it has been developed and reviewed.

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Working with the San Francisco Department of Public Health (SFDPH), we jointly administer the beach water quality monitoring program in San Francisco. Both agencies participate in sample collection; the San Francisco Water, Power and Sewer Microbiology Laboratory performs bacteriological analyses.

Updated October 2014: This report details the calendar year 2013 energy performance of over 470 San Francisco public buildings across 30 facility types. Includes ENERGY STAR ratings, where applicable. Accompanying dataset includes 2013 results in spreadsheet form. (Previous reports from 2011 and 2012 available on website.) You can read the 2013 report at http://bit.ly/sfbenchmark2013

The catch basin data is collected by SFDPW Hydraulics Engineering and SFPUC Wastewater Enterprise, Collection System Division engineers, drafters and operators. The data is collected from sewer reference and construction documents and field surveys. You can learn more about how the City's wastewater collection system works here: http://www.sfwater.org/index.aspx?page=399