Nitrate in Las Vegas, NV Drinking Water
Nitrate data for Las Vegas, Nevada · 1,563,833 residents · 77 ZIP codes
People in Las Vegas, Nevada who get water from the public supply are among residents whose systems have returned Nitrate detections in EPA compliance testing.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
Nitrate in Las Vegas Tap Water
Nitrate has been detected in Las Vegas, Nevada drinking water at a maximum level of 6.6 ppb — below the EPA MCL of 10 mg/L (as nitrogen).
This analysis covers 1,563,833 residents across 77 ZIP codes in Las Vegas.
Las Vegas's overall water quality grade is A (91/100).
Is Nitrate in Las Vegas Water Safe?
Nitrate was detected in Las Vegas 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 |
|---|---|---|---|
| 89101 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89102 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89103 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89104 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89105 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89106 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89107 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89108 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89109 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89110 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89111 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89112 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89113 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89114 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89115 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89116 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89117 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89118 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89119 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89120 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89121 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89122 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89123 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89124 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| 89125 | 6.6 ppm | 10 mg/L (as nitrogen) | OK |
| ...52 more ZIP codes |
Average nitrate level across Las Vegas: 6.6 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 Las Vegas 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.