Coastal aquaculture has grown rapidly over the past few decades, and although ocean-based food supplies have increased, concerns about the environmental impacts of aquaculture have as well. For example, research has found that shrimp aquaculture ponds pollute surface waters by releasing nutrient-rich waste into the ocean. Although researchers know that salt water from shrimp farms can seep into groundwater, the extent to which shrimp ponds affect subsurface salinization, groundwater quality, and groundwater composition is unclear.