Lake Oswego Stormwater Management Manual 2016

The City's new stormwater code and the Lake Oswego Stormwater Management Manual are now in effect. Manual files are available using the links below. A tool for developers, engineers and architects with regards to drainage, hydrology, storm water detention and surface water quality.

The current stormwater Design Manual is linked below:

Lake Oswego Stormwater Management Manual 2016

Lake Oswego Stormwater Management Manual Appendices 2016