Vegetated Swale Maintenance Requirements

Vegetated Parking Lot Swale. Fred Meyer Store

As needed

  • Remove any debris or garbage that is caught in the swale
  • Clear the inlet(s) and outlet(s) to allow for proper flow dispersal
  • Inspect and repair damaged inlet erosion control devices and check dams
  • Water plants as needed until established
  • Remove sediment build-up, determine source of sediment, and take measures to prevent it from re-entering the facility
  • Take appropriate pest control measures if insects or rodents are inhabiting the swale

Seasonally

  • Inspect and replace diseased or dead plants
  • Prune other vegetation as needed
  • Remove any nuisance and prohibited vegetation (as listed in the Portland Plant list)