Date of Conferral

2015

Degree

Ph.D.

School

Public Health

Advisor

Raymond Thron

Abstract

The purpose of this quantitative study was to examine data describing nitrate concentration and cases of congenital cardiac defects. Residents with private wells and other stakeholders need data to make informed environmental decisions about the adverse health implications of nitrate contamination of private well water. Researchers have examined the exposure of nitrate in contaminated groundwater, but they have not examined nitrate levels in unregulated water systems. This gap in the literature highlighted the need to provide nitrate data for future research and private well users. Guided by the social ecological model, a quantitative, cross-sectional, nonexperimental design was used to survey 231 adult participants about community perceptions of stakeholders' collaboration about groundwater and the sustainability of private water wells. Multiple linear regression was used to test the hypotheses. Survey results showed that gender, age group, and distance from animal waste sites or farmland were associated with barriers to community collaboration to achieve groundwater sustainability. Use of private wells for irrigation and distance from animal waste sites or farmland were associated with community members' perceptions of community collaboration to achieve groundwater sustainability. Community perceptions and barriers to stakeholders' collaboration were not affected by any demographic factors. The data will facilitate the design and implementation of effective public health outreach services for private well users. The implications for positive social change include increased understanding of stakeholders' perceptions of private well nitrate contamination and reduction of the risk factors for birth defects.

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