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In An Emergency:

Water Emergencies: Call MWSD at (650) 728-3545
Sewer Emergencies: Call SAM at (650) 726-0124
Dial 911 for life-threatening and safety



Sewer Authority Mid-Coastside (SAM) – MWSD is a member of SAM, the agency that collects and cleans our Coastside community's wastewater before it enters the ocean. SAM meets monthly on the 4th Monday at 7:30pm. Jim Harvey and Scott Boyd presently serve as SAM board members.

Be sewer smart! Prevent sewer backups this rainy season. Learn more!