Abstract

In this study I created a hydrological and geological profile across a series of private groundwater wells in Shreve, Ohio. I started by making a cross section of this area through well log data. I discovered that this consists of alternating layers of shale and sandstone, as well as varying depths of glacial deposits. These changes in sediment and bedrock allow for a distinct groundwater flow, as well as different extraction rates. By analyzing the topography of the greater Shreve area, I also identified the drainage basin for this aquifer and potential sources of surface water and groundwater interactions. To assess water quality, I sampled two private wells located above this aquifer, testing for major trace elements. I found that the water utilized by these residents of Shreve is mostly free of contamination; however, there is eight to nine times the accepted maximum concentration limit of thallium. Long-term exposure to excess thallium can result in adverse health effects, so I present possible mitigation strategies, as well as a new potential well site that could be utilized to maximize groundwater extraction while minimizing contamination levels.

Advisor

Wilson, Mark

Department

Earth Sciences

Disciplines

Hydrology

Keywords

Groundwater, Wells, Hydrology, Contamination, Water Quality

Publication Date

2023

Degree Granted

Bachelor of Arts

Document Type

Senior Independent Study Thesis

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© Copyright 2023 Ryan Henry Sullivan