Is San Francisco Tap Water Safe To Drink?
Yes! The tap water is safe to drink.
Yes, tap water in San Francisco is safe to drink. It meets or exceeds EPA and state drinking water standards.
San Francisco's tap water comes from three sources: Hetch Hetchy Reservoir, local reservoirs, and groundwater. It's treated and disinfected.
The San Francisco Public Utilities Commission regularly tests and monitors tap water quality to ensure it's safe for consumption.
United States is ranked as number 9 globally with a score of 96.4% in the water quality EPI research conducted by Yale University.
Source of Water in San Francisco, United States
Primary source: Hetch Hetchy Reservoir in Yosemite National Park, 160 miles away, providing 85% of San Francisco's tap water.
Local reservoirs: San Andreas Lake, Crystal Springs Reservoir, and Lake Merced supply 10% of tap water.
Groundwater: Local wells and underground aquifers contribute 5% of San Francisco's tap water supply.
San Francisco Drinking Fountains
Yes, many drinking fountains in San Francisco provide safe and clean drinking water, maintained by the city.
Fountains are regularly inspected and tested to ensure they meet or exceed EPA and state drinking water standards.
Some fountains are also equipped with filtration systems, providing additional purification and peace of mind for users.
Drinking Water Map
Here is a map showing all the locations of drinking water spots in San Francisco. You can click on each water drop to open the spot directly in Google Maps for directions.