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→Overview
*[[Wells|Monitoring wells]] installed to the base and screened in the [[underdrain]] aggregate to verify and track [[Drainage time|drainage time]]; and
*[[Wells|Monitoring wells]] installed to the base and screened in the [[underdrain]] aggregate to verify and track [[Drainage time|drainage time]]; and
*Filter media [[additives]] intended to enhance retention of nutrients, metals, petroleum hydrocarbons and/or bacteria.
*Filter media [[additives]] intended to enhance retention of nutrients, metals, petroleum hydrocarbons and/or bacteria.
*[[Liner|Impervious liner]] can be installed if the bioretention facility is designed as a [[stormwater planter]] and is in close proximity to buildings or in a tight space in an urbanized environment or if located near pollution hotspots/contaminated soils, or in areas with higher than normal water tables.
==Planning considerations==
==Planning considerations==