Vegetated Swale Maintenance Requirements
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)