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Green Infrastructure

Operation and Maintenance of Green Infrastructure Receiving Runoff from Roads and Parking Lots

A technical memorandum published by EPA Region 5 that addresses common operation and maintenance questions and provides recommendations for evaluating the need and providing maintenance for green infrastructure such as bioretention practices and bioswales that serve highly impervious roadways and parking lots.

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Operation and Maintenance of Green Infrastructure Receiving Runoff from Roads and Parking Lots (PDF)(23 pp, 9 MB, September 2016)
This document provides recommendations for stormwater managers to address how to determine if maintenance is needed; inspection frequency; triggers for maintenance; and, disposal of materials.