How does the SAFE program enhance water quality?

The SAFE program enhances water quality primarily by combating soil erosion. Soil erosion contributes significantly to the degradation of water quality, as eroded soils can carry pollutants, nutrients, and sediments into nearby water bodies. These contaminants can lead to increased turbidity, nutrient overloads, and harm to aquatic ecosystems. By implementing practices that reduce soil erosion—such as planting vegetation, creating buffer zones, and managing land use—SAFE helps maintain soil integrity and prevents sediments and associated pollutants from entering bodies of water. This results in cleaner, clearer water and a healthier aquatic environment.

The other options, while they may have indirect effects on water quality, do not directly address soil erosion and its contribution to water pollution in the same way. For example, increasing the flow of water into rivers may help dilute pollutants but does not prevent erosion. Reducing urban development can also help in some contexts but does not specifically target the mechanisms of soil erosion. Enhancing agricultural efficiency may improve productivity but could lead to increased runoff if not managed properly. Thus, combating soil erosion stands out as a targeted and effective method for improving water quality under the SAFE program.