Nitrite and Nitrate
EPA MCLG
10 mg/L
The level in drinking water below which there is no known or expected risk to health. This is a goal, not an enforceable limit.
Is your Nitrite and Nitrate result safe? Get a free reading
The EPA MCLG for Nitrite and Nitrate is 10 mg/L. Upload your water test (PDF or a photo) and we'll email a plain-English reading of where your result lands — and every other number — free. Educational only, no medical claims.
Your upload also helps us keep local water data accurate — we only ever share anonymized, area-level summaries.
Upload my testHow to Remove It
Water filters certified under the following NSF standards are effective at removing Nitrite and Nitrate:
Get Nitrite and Nitrate Updates
Research updates, regulation changes, and filter recommendations — in your inbox.
Free forever. Unsubscribe anytime. We never share your email.
Where is Nitrite and Nitrate Found?
Nitrite and Nitrate has been detected above EPA health guidelines in 14 cities serving 0.0M people across the US.
and 9 more cities
About the EPA MCLG
The EPA MCLG is the level of a contaminant in drinking water below which there is no known or expected risk to health. It is a non-enforceable public health goal, and is often stricter than the legal limit (MCL) water systems must meet.
Contaminant Type
Nitrite and Nitrate is classified as a Inorganics contaminant.
Related Inorganics Contaminants
Check Your Water
Find out if Nitrite and Nitrate is in your tap water.
Search cities for Nitrite and Nitrate dataTest Your Water for This Contaminant
Public water reports may not test frequently enough or at your specific tap. Professional home testing provides current, location-specific results.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
One email a week. Unsubscribe anytime.