Contaminant Guide
Nitrates in Your Drinking Water
Nitrates from fertilizer runoff are a leading well water concern across SC and NC's agricultural counties. They are especially dangerous for infants under 6 months old.
Key Facts
- • EPA maximum contaminant level: 10 mg/L (10 ppm)
- • The EPA associates nitrates above the limit with methemoglobinemia ('blue baby syndrome') in infants
- • SC and NC have significant agricultural land use that can contribute to nitrate runoff
- • Nitrates have no taste, color, or odor — testing is required to detect them
- • The EPA identifies reverse osmosis and ion exchange among treatment technologies for nitrates
The Solution
Reverse osmosis and anion exchange are the treatment technologies commonly used for nitrates. ClearFlow installs and services both; reduction performance is defined by the manufacturer's published specifications and varies with water conditions.
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Nitrates in Drinking Water — FAQ
The EPA sets a maximum contaminant level of 10 mg/L because nitrates above that level are associated with methemoglobinemia ('blue baby syndrome') in infants under 6 months. If you have an infant in the home and use well water, testing is strongly recommended.
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