Yes. Tap water from public supplies is safe to drink in almost every US town and city. The Environmental Protection Agency (EPA) sets national limits under the Safe Drinking Water Act, and every community water system must publish an annual water quality report. Problems are local and usually announced, so follow any boil-water notice. Take extra care in older buildings and with private wells.
By Emily, WaterWell travel writer. Last checked: 9 November 2026
US tap water: quick facts
| Question | Answer |
|---|---|
| Drink from the tap? | Yes, from public supplies, unless there's a boil-water notice |
| Brush your teeth? | Yes |
| Ice? | Yes |
| Restaurants | Tap water is usually free; just ask |
| Check a local supply | Every community water system publishes an annual water quality report |
| Private wells | Not covered by federal drinking-water law |
| Who regulates | The EPA, under the Safe Drinking Water Act, with states enforcing |
Is tap water safe in New York, Los Angeles and other US cities?
Yes, in all major cities. Taste varies with the source.
| City | Safe to drink? | Where the water comes from |
|---|---|---|
| New York City | Yes | Upstate reservoirs, mostly in the Catskill and Delaware watersheds, plus the Croton system |
| Los Angeles | Yes | Mostly imported: the Los Angeles Aqueduct from the eastern Sierra Nevada, plus Northern California and Colorado River water |
| Chicago | Yes | Lake Michigan |
| San Francisco | Yes | Mainly the Hetch Hetchy reservoir in Yosemite |
| Las Vegas | Yes | Lake Mead, on the Colorado River; very hard |
| Miami | Yes | The Biscayne Aquifer |
How do you check the water where you're staying?
Read the local annual report. Every community water system must send customers a water-quality report, called a Consumer Confidence Report, by 1 July each year. From 2027, systems serving 10,000 or more people must report twice a year (eCFR). Search for “[town] water quality report”, or start at EPA's report finder. EPA's SDWIS search lists violations for any public water system. There are more than 140,000 public water systems in the US, including about 49,500 community systems serving over 324 million people (EPA).
What about lead?
Lead comes from old pipes, not from the treatment plant. EPA estimates about 4 million lead service lines remain (EPA). Its 2024 Lead and Copper Rule Improvements require them to be replaced within 10 years of 1 November 2027 and lower the lead action level to 10 parts per billion. Water utilities are challenging the rule in court. The best-known failure was Flint, Michigan, which switched to the Flint River in April 2014 without corrosion control, so lead leached into tap water (EPA Inspector General).
What about PFAS (“forever chemicals”)?
EPA's limits of 4 parts per trillion for PFOA and PFOS stand. Utilities must finish monitoring by 2027 and comply by 2029, and a pending proposal would give some systems until 2031. Limits on four other PFAS have been proposed for repeal but are still legally in force (EPA). Your local annual report will show whether PFAS have been found.
Boil-water notices
When something goes wrong, the utility issues a boil-water notice, so follow local news and your accommodation's advice. In August 2022, flooding overwhelmed the main treatment plant in Jackson, Mississippi, leaving many of the city's 160,000 residents without running water until 6 September (EPA).
Private wells and national parks
About 43 million Americans use private wells, which federal drinking-water law doesn't cover (EPA). If a cabin or rural rental is on a well, ask when it was last tested. In national parks and forests, treat stream and lake water before you drink it.
Do you need a filter bottle in the US? Not for city tap water. A WaterWell bottle is for taste and the outdoors. Its carbon stage reduces the chlorine taste, and on trails its 0.1-micron filter removes 99.9% of bacteria and parasites such as Giardia from streams and lakes. One filter lasts up to 1,000 litres. In lab tests, the WaterWell filter reduced heavy metals such as lead, mercury and cadmium (test results). Shop the 700ml Travel Filter Bottle
FAQs
Is tap water safe to drink in the US?
Yes, from public supplies in almost every town and city. Check the local annual water quality report, and follow any boil-water notice.
Can you drink tap water in New York City?
Yes. It comes from upstate reservoirs, mostly in the Catskill and Delaware watersheds, with some from the Croton system.
Do US restaurants serve free tap water?
Usually, yes. Just ask for tap water.
Is bottled water safer than tap water in the US?
Not necessarily. The EPA regulates tap water and the FDA regulates bottled water, and both must meet safety standards (FDA).
Is fluoride added to US tap water?
Many systems add it, but not everywhere. Utah and Florida banned fluoridation of public water in 2025.
Sources
- EPA: Information about public water systems
- eCFR: Consumer Confidence Report rule
- EPA: PFAS in drinking water
- EPA: Lead service line inventory, 2025 update (PDF)
- EPA: Private drinking water wells
- EPA: Jackson, Mississippi drinking water
- EPA Inspector General: Flint report (PDF)
- NYC Environmental Protection: 2025 Drinking Water Supply and Quality Report (PDF)
- LADWP: L.A.'s water sources in 2024