Water Reports / NY
New York City tap water, decoded.
Source: NYC Department of Environmental Protection
Disinfectant
Chlorine
Hardness
Very soft
TDS
30–60 ppm
Watch items
3
What to know about New York City water
- +Lead is the primary watch item, and it comes from buildings, not the supply: pre-1986 solder, fixtures, and service lines.
- +Catskill and Delaware watersheds are unfiltered surface sources, so turbidity can rise briefly after heavy upstate storms.
- +Chlorine dissipates quickly, which makes it easy to reduce but means residual protection fades in large buildings with storage tanks.
Hardness detail: ~1 grain per gallon.
For your shower
Soft, chlorine-treated water is the easiest profile to shower in. Scale is a non-issue, and chlorine reduces readily with any competent carbon stage. The variable is your building's own plumbing, not the city's water.
For your glass
NYC source water is genuinely excellent: low TDS, low hardness, protected watersheds. The risk sits between the main and your glass, in older building plumbing. If your building predates 1986, run the tap cold for 30 seconds in the morning, or filter at the point of use.
How we'd filter New York City
For drinking, the priority is lead and particulate capture at the point of pour, which the Opus sediment and membrane stages handle before terroir remineralization restores the soft, low-mineral character New York water already has.
Is New York City tap water safe to drink?
Yes. NYC's source water meets all federal standards and is among the best municipal supplies in the country. The meaningful variable is your building's own plumbing, particularly pre-1986 fixtures and solder that can contribute lead.
Why does NYC water taste different in different buildings?
Same source, different pipes. High-rise buildings often use rooftop storage tanks, which change temperature and chlorine levels, and older buildings contribute trace metals from their plumbing. The supply is identical.
Do I need a filter in NYC at all?
For the supply itself, honestly, not much. For your building's plumbing, point-of-use filtration is the sensible answer: sediment and lead capture at the tap, since that's where the risk enters.
More reports
Figures are drawn from each utility's most recent consumer confidence report and public statements. Water chemistry varies by season and neighborhood; your utility's annual report is the authoritative source for your address.