Nitrate in Newman, CA Drinking Water
Nitrate data for Newman, California · 12,207 residents · 1 ZIP code
Routine testing in Newman, California 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: 2026-05-14
Nitrate in Newman Tap Water
Nitrate has been detected in Newman, California drinking water at a maximum level of 23.1 ppb — below the EPA MCL of 10 mg/L (as nitrogen).
This analysis covers 12,207 residents across 1 ZIP code in Newman.
Newman's overall water quality grade is B (76/100).
Is Nitrate in Newman Water Safe?
Nitrate was detected in Newman 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 |
|---|---|---|---|
| 95360 | 23.1 ppm | 10 mg/L (as nitrogen) | OK |
Average nitrate level across Newman: 23.1 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 Newman 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.