Chemical Contaminant
Nitrate in Drinking Water
EPA Maximum Limit
10
mg/L as nitrogen
EPA Contaminant Code
1040
SDWIS reference
Health Effects
Infants below 6 months who drink high-nitrate water can develop methemoglobinemia (blue baby syndrome).
Common Sources
Runoff from fertilizer use, leaching from septic tanks, erosion of natural deposits.
Is Nitrate in Your Water?
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