Within Naples, Florida, Arsenic has been detected in water samples drawn from the public supply — the results are part of the official EPA compliance record for systems here.

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14

Arsenic in Naples Tap Water

Naples, Florida has 17 EPA violations related to arsenic in drinking water.

This analysis covers 311,385 residents across 17 ZIP codes in Naples.

Naples's overall water quality grade is C (69/100).

Is Arsenic in Naples Water Safe?

If you live in an affected ZIP code, consider installing a reverse osmosis filter certified under NSF 53 / NSF 58 and testing your water independently.

EPA Violations for Arsenic in Naples

Health Effects of Arsenic

• Increased risk of skin, bladder, lung, and kidney cancer
• Cardiovascular disease and type 2 diabetes
• Skin changes (darkening, thickening, lesions)
• Developmental effects in children exposed in utero

Health risk severity: High. Governed by the Arsenic Rule (2006).

How Arsenic Gets Into Drinking Water

• Natural deposits in rock and soil (especially in western U.S.)
• Runoff from orchards and glass/electronics production
• Historical use of arsenic-based pesticides
• Well water in areas with arsenic-rich geology

What to Do About Arsenic in Naples Water

1. Install a reverse osmosis (RO) system certified under NSF 58
2. Adsorptive media filters (iron-based) can also reduce arsenic
3. Have well water tested if on a private supply
4. Boiling water does NOT remove arsenic — it concentrates it

Look for filters certified under NSF 53 / NSF 58 for arsenic removal.

Related

• Arsenic — National Overview
• Arsenic in Florida
• Florida Water Quality
• Naples Water Quality
• Check Your ZIP Code