Road salt and the environment – ​​how to use it responsibly?

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How does road salt affect the environment?

Sodium chloride in high concentrations may negatively affect roadside ecosystems. Salt runoff into soil and groundwater is a major environmental problem for winter road maintenance.

Effects of excessive use of salt

• Soil salinity – makes it difficult for plants to absorb water, leading to their death.
• Groundwater salinity – chlorides are difficult to remove from drinking water.
• Corrosion of infrastructure – bridges, concrete reinforcement, vehicles.

How to minimize the impact?

• Pre-wetting – brine + salt reduces salt consumption by 20-40%.
• Preventive spreading – application before rainfall is more effective than reactive.
• Modern spreaders with scales – precise control of the dose in g/m².

Optimal dosage

Typical preventive dose is 10-15 g/m². Doses above 30 g/m² rarely bring proportionally better results, and significantly increase costs and environmental burden.

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