Means of controlling erosion is by which practice?

Prepare for the American Water Works Water Treatment Plant Operator Test. Study with multiple choice questions, each with hints and explanations. Get ready to excel!

Planting trees and other vegetation to hold soil in place is the most effective way to control erosion. The roots weave through the soil, binding particles together and anchoring the ground so rain and runoff are less able to wash soil away. A leafy canopy slows the impact of raindrops and reduces the speed of surface flow, while the leaf litter and organic matter from plants improve soil structure and increase infiltration. In watershed areas, this reduced erosion means fewer sediments reach streams and reservoirs, protecting water quality and making treatment easier. The other options don’t address erosion: springs are natural groundwater outlets, dug wells are for extracting water, and a screen is used to filter debris rather than prevent soil loss.