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Report: Roadsalt and Winter Maintenance for British Columbia Municipalities: Best Management Practices to Protect Water Quality
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If you have any questions on the information presented, or require additional report data or attachments, please contact the
Ministry.
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This document reviews measures that British Columbia Municipalities can use to reduce the pollution of the environment by roadsalt and de-icers without compromising road safety. New technologies, application guidelines, and snow dumping practices are considered to help reduce the environmental impact of roadsalt.
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Author: Warrington, Patrick Douglas
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Date Published: Dec 1998
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Report ID: 15858
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Audience: Government and Public
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This document reviews measures that British Columbia Municipalities can use to reduce the pollution of the environment by roadsalt and de-icers without compromising road safety. These include a reduction in salt use by following application guidelines, replacement of some salt with sand or ploughing. Pre-wetting the salt or sandisalt mixture can make it more effective thus reducing the amount that needs to be used. Advanced equipment such as special snow ploughs, remote monitors, automated de-icer sprays, infra-red pavement temperature monitors, spreaders and pavement friction monitoring devices can also reduce salt use. Anti-icing techniques and materials can also be used. There are alternatives to roadsalt which are more effective and less damaging to water the environment but their costs are significantly higher. However, the total cost to society should be considered, not just the capital cost of the roadsalt. One can also use alternative winter maintenance practices. Changes in driver behaviour and expectations would reduce the need for as much salt and maintenance if dry, bare roads were not expected. Changing snow dumping practices to eliminate dumping in sensitive areas would reduce the environmental damage caused by what salt was still required. Eliminating some contaminants in roadsalt would reduce the harmful effects of roadsalt use.
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Report Type
Subject
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Region - Province Wide |
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Water Information - Water Quality |
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