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Sedimentation Ponds

The City of Lake Oswego owns and maintains 11 public Sedimentation Ponds.

  • The City cleans and maintains its ponds on a yearly basis. Some ponds may require additional annual maintenance.
     
  • Private Sedimentation Ponds are the responsibility of the Homeowner, HOA or Neighborhood Association to maintain. Please call a private company to perform maintenance on private ponds.