Various opinions are offered about how to mitigate the accumulation of sediment. The appropriate solution may depend on whether the water is flowing into the pipe (see [[underdrains]]), or out of the pipe as in [[exfiltration trenches]]. | Various opinions are offered about how to mitigate the accumulation of sediment. The appropriate solution may depend on whether the water is flowing into the pipe (see [[underdrains]]), or out of the pipe as in [[exfiltration trenches]]. |