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*Overview and impacts of road salt and deicers | *Overview and impacts of road salt and deicers | ||
**[[How salt works and overview of deicing chemicals]] | **[[How salt works and overview of deicing chemicals]] | ||
− | **[[Environmental impacts of road salt and other de-icing | + | **[[Environmental impacts of road salt and other de-icing chemicals]] |
− | **[[Other impacts of | + | **[[Other impacts of deicer use]] |
− | + | *[[Information on costs and economic impacts of road salt]] | |
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*Management tools | *Management tools | ||
− | **[ | + | **[https://www.pca.state.mn.us/sites/default/files/wq-s1-94.pdf Minnesota Statewide Chloride Management Plan] |
− | **[[ | + | **[[Smart Salting Assessment tool (SSAt)]] |
− | * | + | **[https://www.pca.state.mn.us/water/statewide-chloride-resources Model Ordinances] |
− | **[ | + | **[https://www.pca.state.mn.us/water/statewide-chloride-resources Model Snow and Ice Policies] |
− | **[ | + | *MPCA Smart Salting Training Program |
− | **[ | + | **[https://www.pca.state.mn.us/water/smart-salting-training Smart Salting Training Program] |
− | **[ | + | **[https://www.pca.state.mn.us/water/smart-salting-training-calendar/2021-01 Smart Salting Training Calendar] |
− | *[[Educational resources for Smart Salting (S2)]] | + | **[https://www.pca.state.mn.us/water/salt-applicators Resources for Winter Maintenance Professionals] |
− | + | **[https://www.pca.state.mn.us/water/statewide-chloride-resources Chloride Reduction Assistance] | |
− | *[[ | + | *Education Resources |
− | *[ | + | **[[Educational resources for Smart Salting (S2)]]. For more information on chloride resources, see [https://www.pca.state.mn.us/water/statewide-chloride-resources Statewide chloride resources] |
− | *[ | + | **[[Success stories: salt reduction and cost saving examples]] |
+ | **[https://www.pca.state.mn.us/water/statewide-chloride-resources Technical reports and Chloride TMDLs] | ||
+ | **[https://www.pca.state.mn.us/water/water-permit-holders-and-chloride Chloride and NPDES Permits] | ||
*[[References for Smart Salting (S2) and road salt winter maintenance]] | *[[References for Smart Salting (S2) and road salt winter maintenance]] | ||
+ | *Chloride and groundwater | ||
+ | **[https://www.mgwa.org/documents/whitepapers/impacts_of_stormwater_infiltration_on_chloride_in_minnesota_groundwater.pdf Impacts of stormwater infiltration on chloride in Minnesota groundwater] - White paper produced for the Minnesota Groundwater Association | ||
+ | **[https://stormwater.pca.state.mn.us/index.php?title=File:Chloride_groundwater_loading_calculator.xlsx Calculator for estimating chloride loading to groundwater] | ||
+ | **[[Guidance for calculator to estimate chloride loading to groundwater from infiltration]] | ||
[[Category:Road salt and de-icing]] | [[Category:Road salt and de-icing]] | ||
</noinclude> | </noinclude> |
Salt that is applied to our roads, parking lots, and sidewalks ends up in our lakes, streams, and wetlands, negatively impacting those water resources. Salt has other negative impacts, such as harming vegetation, including turf, and altering the process of infiltration into soil.
This page provides information on education resources for salt management. Included are links to fact sheets, websites, and videos.
The MPCA worked with the Mississippi Watershed Management Organization, the University of Minnesota, and Fortin Consulting to produce a 20-minute video that introduces best practices for winter maintenance of small spaces such as sidewalks, entryways, and steps. Guidance includes deicer material selection and application rates. Links to Part 1 and Part 2 of this are shown to the right.
If you hire out snow removal for your property, choose a contractor who is certified by the state in Snow and Ice Control Best Practices or encourage them to become certified. This list of certified practitioners is maintained by MPCA and can be accessed as an File:Road salt training certificate holders.xlsx.
Many local lakes and streams have elevated levels of chloride, a common ingredient in road salt. In some cases, the chloride contamination is high enough to impact or even kill fish and other aquatic life. Winter snow and ice practices have been identified as the primary source of this chloride. Certified contractors have taken a training on how to mitigate the effects of de-icing materials on the environment, without compromising safety or effectiveness.
Voluntary certification in Snow and Ice Control Best Practices from the MPCA is given to individuals who