[[File:ESC ponding 2.png|300px|thumb|left|Ponding in front of this catchbasin indicates that this ESC inlet control is working. Ponding water allows for suspended sediments to settle. (Photo source: CISEC)]] | [[File:ESC ponding 2.png|300px|thumb|left|Ponding in front of this catchbasin indicates that this ESC inlet control is working. Ponding water allows for suspended sediments to settle. (Photo source: CISEC)]] |