*An [[underdrain]] to redistribute or remove excess water and structures or standpipe ports for periodic inspection and flushing
*An [[underdrain]] to redistribute or remove excess water and structures or standpipe ports for periodic inspection and flushing
−
*[[Wells|Monitoring wells]] installed to the base and screened in the internal water storage reservoir to verify and track drainage performance
+
*[[Wells|Monitoring wells]] installed to the base and screened in the [[Bioretention: Internal water storage| internal water storage reservoir]] to verify and track drainage performance
*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.