Is Washington DC Tap Water Safe to Drink? (2026)
DC tap water met all standards but one tap hit 35.9 ppb lead and PFOS was detected at 1.7 ppt. Hardness is 126 ppm.…
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Category: City Tap Water
City-by-city tap water quality guides built from EPA and utility Consumer Confidence Report data. What is actually in the water, what the numbers mean, and what is worth filtering.
Is San Diego Tap Water Safe to Drink? (2026)
San Diego lead tested non-detect in 2025 with zero lead service lines citywide. But hardness hits 14.2 grains per gallon and TTHM reached 87…
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Is NYC Tap Water Safe to Drink? (2026)
NYC tap water is the softest of any major US city at 2 grains per gallon. But lead hit 155 ug/L at one tap…
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Is Los Angeles Tap Water Safe to Drink? (2026)
LA tap water met all 2025 standards and had no detectable PFAS, but arsenic hit 7.0 ug/L and hardness runs 6-14 gpg by zone.…
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Is Chicago Tap Water Safe to Drink? (2026)
Chicago lead hit 9.4 ppb with 5 sites over the action level in 2025, and the city logged 3 violations. But PFAS came back…
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Is Phoenix Tap Water Safe to Drink? (2026)
Phoenix tap water met every federal standard in 2025, but three numbers sit close to their limits: arsenic at 7 ppb, chromium at 87…
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