Bronx County, NY
drinking water quality

1,384,724 residents · 1 public water system · 25 ZIP codes

Worst PFAS result on federal record
No PFAS above the federal limit

EPA sampled 1 of 1 public water system here, together serving about 8,271,000 people. Last sampled 9/11/2024.

What this means

PFAS are industrial chemicals that EPA describes as breaking down only very slowly in the environment. In April 2024 EPA set the first enforceable national limits: 4 ng/L for PFOA and PFOS, 10 ng/L for PFHxS, PFNA and GenX.

These figures are county-level and come from EPA’s sampling of public water systems. They describe the worst result found in the county, not what comes out of any particular tap — that depends on which system serves the address, and on the plumbing in the building. A private well is not covered by this programme at all.

Request a test of your own supply.

This is Bronx County's worst federal result, not a reading from your tap. Leave a number and a local water specialist will test it.

No obligation. Your details go to a local water specialist to arrange the test, and to no one else.

ZIP codes in Bronx County

10451 · 10452 · 10453 · 10454 · 10455 · 10456 · 10457 · 10458 · 10459 · 10460 · 10461 · 10462 · 10463 · 10464 · 10465 · 10466 · 10467 · 10468 · 10469 · 10470 · 10471 · 10472 · 10473 · 10474 · 10475

Readings are county-level, so every ZIP here shares the figure above. Search your ZIP on the map to see it in context.

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