The clean-up process might be hindered by pro-union rules such as the Davis-Bacon Act, which increases the cost of federally funded construction projects.

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So far the grassroots group has completed about 20 low-cost clean water, sanitation and hygiene projects, including hand dug wells, rehabilitation of existing wells and construction of communal latrines, that have benefited at least 7, 000 people.

CNN: One woman's mission to fix Liberia's water crisis