Mineral Water Guide
Nitrates in Mineral Water
What They Are, Why They Matter, and How Levels Vary Between Waters
Nitrates are compounds naturally present in the environment and can appear in small amounts in water. In natural mineral water, nitrate levels depend on the geological environment and surrounding land conditions where the water source is located.
Compared with other minerals, nitrate concentrations in natural mineral water are typically very low, and they are strictly regulated to ensure water quality.
Understanding nitrate levels helps explain one aspect of how water composition is monitored and controlled for safety.
Why Nitrates Are Monitored
Nitrates are regulated in drinking water because high concentrations may pose health concerns, particularly for infants. For this reason, nitrate levels in drinking water and natural mineral water are strictly limited by law.
EU Maximum Allowed Concentration
50 mg/L
Most natural mineral waters contain nitrate levels far below this limit.
How Nitrate Levels Vary in Mineral Water
Although nitrates are not typically present in large amounts in mineral water, levels can still vary depending on the source.
Typical ranges include:
| Nitrate Level | Typical Range |
|---|---|
| Very low | < 1 mg/L |
| Low | 1-5 mg/L |
| Moderate | 5-20 mg/L |
| Higher | > 20 mg/L |
Even at the higher end of these ranges, most mineral waters remain well below the regulatory limit.
Nitrates and Overall Water Composition
Unlike minerals such as calcium or magnesium, nitrates are not typically associated with the beneficial mineral profile of water. Instead, they are monitored as a water quality parameter - lower levels always indicate a better-protected, cleaner source. This is especially important for infants, pregnant women, and anyone drinking large volumes of water daily. Natural mineral waters with very low nitrate levels are widely available across Europe.
Read also about the other parameters commonly listed on mineral water labels:
Key Takeaway
Nitrate levels in natural mineral water are typically very low and strictly regulated.
Although they can vary slightly between sources, most mineral waters contain nitrate concentrations far below the legal limit, reflecting the controlled quality of natural mineral water sources.
FAQ
What are nitrates in water?
Nitrates are naturally occurring compounds that can appear in small amounts in water due to environmental processes.
What is the maximum allowed nitrate level in drinking water?
In the European Union, the maximum permitted level is 50 mg/L.
Are nitrates common in mineral water?
Yes, but usually in very small amounts, often well below regulatory limits.
Do all mineral waters contain nitrates?
Most natural mineral waters contain small nitrate concentrations, although the levels vary depending on the source.