How do stormwater ponds work?
How do stormwater ponds work? By collecting runoff from rain and melted snow, stormwater management ponds help: Control erosion by limiting the amount of stormwater that goes to nearby creeks and rivers. Improve water quality by allowing dirt and other solids in stormwater runoff to settle to the bottom of the pond. Why are retention ponds bad? “It's bad because it's a net influx of nitrogen into the system,” Gold added. “So instead of being a nitrogen sink, where nitrogen is removed and things can't use it, it's actually a net influx, there's actually more nitrogen coming into the system...