Nitrate in Leander, TX Drinking Water
Nitrate data for Leander, Texas · 108,441 residents · 3 ZIP codes
Nitrate exposure in drinking water is tracked by EPA across the country; households in Leander, Texas are among those with confirmed detections in the public water record.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-06-04
Nitrate in Leander Tap Water
Leander, Texas has 2 EPA violations related to nitrate in drinking water.
This analysis covers 108,441 residents across 3 ZIP codes in Leander.
Leander's overall water quality grade is B (74/100).
Is Nitrate in Leander Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis or ion exchange filter certified under NSF 53 / NSF 58 and testing your water independently.
EPA Violations for Nitrate in Leander
| Date | Violation Type | Status | ZIP Code |
|---|---|---|---|
| 2021-10-01 | Nitrate (Resolved) | Resolved | 78641 |
| 2021-07-01 | Nitrate (Resolved) | Resolved | 78641 |
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 Leander 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.