Assessing the Effects of Chloride Deicer Applications on Groundwater near the Siskiyou Pass, Southwestern Oregon, July 2018–February 2021

Gingerich, Stephen B.; Wise, Daniel R; Stonewall, Adam J; United States. Geological Survey (USGS); Oregon Department of Transportation

doi:10.3133/sir20235107

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Assessing the Effects of Chloride Deicer Applications on Groundwater near the Siskiyou Pass, Southwestern Oregon, July 2018–February 2021

2023-01-01
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By Gingerich, Stephen B. ; Wise, Daniel R ; Stonewall, Adam J

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English

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Creators:

Gingerich, Stephen B. ; Wise, Daniel R ; Stonewall, Adam J

Gingerich, Stephen B. ; Wise, Daniel R ; Stonewall, Adam J Less -
Corporate Creators:

United States. Geological Survey (USGS) ; Oregon Department of Transportation

United States. Geological Survey (USGS) ; Oregon Department of Transportation Less -
Subject/TRT Terms:

[+]

Chlorides Deicing Chemicals Environmental Impacts Groundwater Pilot Studies Salts Streams
Publication/ Report Number:

Scientific Investigations Report 2023–5107
DOI:

https://doi.org/10.3133/sir20235107
Resource Type:

Tech Report
Geographical Coverage:

Oregon ; United States

Oregon ; United States Less -
Corporate Publisher:

United States. Geological Survey (USGS)
Abstract:

The U.S. Geological Survey, in cooperation with the Oregon Department of Transportation (ODOT), evaluated the effects of cold-weather chloride deicers (road deicing chemicals) on groundwater quality, with a focus on chloride, near the Siskiyou Pass in southwestern Oregon. The study covered the period during July 2018 through February 2021. Between the years 2016 and 2020 ODOT applied up to 16,000 gallons per mile of chloride deicer and 143,000 pounds per mile of road salt along an 11-mile stretch of Interstate 5 (I-5) through the Siskiyou Pass. Despite the benefit of safer driving conditions, there are potentially negative environmental effects associated with the use of chloride-based deicers (such as magnesium chloride and sodium chloride). The results from this study are intended to help ODOT assess the water-quality effects from the application of chloride deicers at the Siskiyou Pass and inform decisions on how those chemicals are used.
Format:

PDF
Funding:

SPR 812
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:cb019f6ffbb86cd182b08d6749cc2ad28f325dcaaccc7e3b8fde1d2414f9dc15
Download URL:

https://rosap.ntl.bts.gov/view/dot/72522/dot_72522_DS1.pdf
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Assessing the Effects of Chloride Deicer Applications on Groundwater near the Siskiyou Pass, Southwestern Oregon, July 2018–February 2021

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