Comparison of Four Levels of Assessment Comparison of Four Levels of Assessment

Comparison of Four Levels of Assessment (adapted from Erickson et. al, 2013)
Link to this table

Title	Objectives	Relative effort	Typical elapsed time
Visual inspection	Determine if stormwater BMP is malfunctioning	1	1 day
Capacity testing	Determine infiltration or sedimentation capacity and rates	10	1 week
Synthetic runoff testing	Determine infiltration rates, capacity, and pollutant removal performance	10-100	1 week to 1 month
Monitoring	Determine infiltration rates, capacity, and pollutant removal performance	400	14 months