Arsenic in Estero, FL Drinking Water
Arsenic data for Estero, Florida · 30,786 residents · 2 ZIP codes
Arsenic exposure in drinking water is tracked by EPA across the country; households in Estero, Florida are among those with confirmed detections in the public water record.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-06-04
Arsenic in Estero Tap Water
Arsenic has been detected in Estero, Florida drinking water at a maximum level of 24.3 ppb — 2.43x the EPA MCL.
This analysis covers 30,786 residents across 2 ZIP codes in Estero.
Estero's overall water quality grade is B (70/100).
Is Arsenic in Estero 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.
Arsenic Levels by ZIP Code
| ZIP Code | Arsenic Level | EPA Limit | Status |
|---|---|---|---|
| 33928 | 24.3 ppb | 10 ppb | Exceeds limit |
Average arsenic level across Estero: 24.3 ppb
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 Estero Water
- Install a reverse osmosis (RO) system certified under NSF 58
- Adsorptive media filters (iron-based) can also reduce arsenic
- Have well water tested if on a private supply
- Boiling water does NOT remove arsenic — it concentrates it
Look for filters certified under NSF 53 / NSF 58 for arsenic removal.