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A Mixed Methods Approach to Understanding the Public Health Impact of a School-Based Citizen Science Program to Reduce Arsenic in Private Well Water.
Environmental Health Perspectives ( IF 10.1 ) Pub Date : 2024-08-21 , DOI: 10.1289/ehp13421 Ashley Taylor 1 , Alexis Garretson 1 , Karen H Bieluch 2 , Kate L Buckman 3 , Hannah Lust 1 , Cait Bailey 1 , Anna E Farrell 1 , Brian P Jackson 2 , Rebecca Lincoln 4 , Erin Arneson 4, 5 , Sarah R Hall 6 , Bruce A Stanton 7 , Jane E Disney 1
Environmental Health Perspectives ( IF 10.1 ) Pub Date : 2024-08-21 , DOI: 10.1289/ehp13421 Ashley Taylor 1 , Alexis Garretson 1 , Karen H Bieluch 2 , Kate L Buckman 3 , Hannah Lust 1 , Cait Bailey 1 , Anna E Farrell 1 , Brian P Jackson 2 , Rebecca Lincoln 4 , Erin Arneson 4, 5 , Sarah R Hall 6 , Bruce A Stanton 7 , Jane E Disney 1
Affiliation
BACKGROUND
Exposure to arsenic (As) in well water is a well-documented public health issue for Maine and New Hampshire, as well as for other states in the United States and abroad. Arsenic contamination of well water in these locations is primarily attributed to metasedimentary bedrock that leaches As into groundwater. However, As can also enter groundwater reserves from soils contaminated by the historical use of arsenical pesticides. Approximately half of the households in Maine and New Hampshire rely on private wells, many of which have elevated As. Arsenic exposure has been associated with an increased risk of cancer, cardiovascular disease, reduced infection resistance, and lower intelligence quotient in children. Despite these known health impacts, well water testing and treatment are not universal.
OBJECTIVES
We have approached the problem of low well water testing rates in Maine and New Hampshire communities by developing the All About Arsenic (AAA) project, which engages secondary school teachers and students as citizen scientists in collecting well water samples for analysis of As and other toxic metals and supports their outreach efforts to their communities.
METHODS
We assessed this project's public health impact by analyzing student data relative to existing well water quality datasets in both states. In addition, we surveyed private well owners who contributed well water samples to the project to determine the actions taken to mitigate As in well water.
RESULTS
Students collected 3,070 drinking water samples for metals testing, and 752 exceeded New Hampshire's As standard of 5 ppb. The AAA data has more than doubled the amount of information available to public health agencies about well water quality in multiple municipalities across both states. Students also collected information about well types and treatment systems. Their data reveal that some homeowners did not know what type of wells they had or whether they had filtration systems. Those with filtration systems were often unaware of the type of system, what the system was filtering for, or whether the system was designed to remove As. Through interviews with pilot survey participants, we learned that some had begun mitigating their exposure to As and other toxic metals in response to test results from the AAA project.
DISCUSSION
A school-based approach to collecting and analyzing private well water samples can successfully reach communities with low testing rates for toxic elements, such as As and other metals. Importantly, information generated through the program can impact household decision-making, and students can influence local and state policymaking by sharing information in their communities. https://doi.org/10.1289/EHP13421.
更新日期：2024-08-21
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