Nitrate in Fort Myers, FL Drinking Water
Nitrate data for Fort Myers, Florida · 277,374 residents · 16 ZIP codes
ZipCheckup's reading of Nitrate in Fort Myers, Florida: the highest detected level is 67.8 ppb; the EPA limit is 10 mg/L (as nitrogen). Nitrate carries a high health-risk designation.
Routine testing in Fort Myers, Florida turned up Nitrate - samples from the public supply came back positive, placing this contaminant on the list of substances residents here have a concrete reason to look into.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-07-13
Nitrate in Fort Myers Tap Water
Nitrate has been detected in Fort Myers, Florida drinking water at a maximum level of 67.8 ppm — 6.78x the EPA MCL.
This analysis covers 277,374 residents across 16 ZIP codes in Fort Myers.
Fort Myers's overall water quality grade is B (81/100).
Is Nitrate in Fort Myers Water Safe?
Nitrate was detected in Fort Myers water but currently falls within EPA limits. However, some health organizations argue the EPA MCL may not be protective enough.
If you are concerned, a reverse osmosis or ion exchange filter can reduce nitrate levels further.
Nitrate Levels by ZIP Code
| ZIP Code | Nitrate Level | EPA Limit | Status |
|---|---|---|---|
| 33900 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33901 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33902 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33905 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33906 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33907 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33908 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33911 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33912 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33913 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33916 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33919 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33965 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33966 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33967 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
| 33994 | 67.8 ppm | 10 mg/L (as nitrogen) | Exceeds limit |
Average nitrate level across Fort Myers: 67.8 ppb
Health Effects of Nitrate
- Methemoglobinemia ("blue baby syndrome") in infants under 6 months
- Increased risk of colorectal and bladder cancer (long-term)
- Thyroid disease from chronic exposure
- Possible reproductive effects
Health risk severity: High. Governed by the National Primary Drinking Water Regulations.
How Nitrate Gets Into Drinking Water
- Agricultural fertilizer runoff
- Animal feedlot operations and manure
- Septic system leachate
- Urban stormwater and wastewater discharge
What to Do About Nitrate in Fort Myers Water
- Reverse osmosis is the most effective method for nitrate removal
- Ion exchange systems designed for nitrate can also work
- Standard carbon filters do NOT remove nitrate
- Boiling water increases nitrate concentration — never boil for nitrate
Look for filters certified under NSF 53 / NSF 58 for nitrate removal.