When the city adopted the River Terrace Stormwater Master Plan in 2014, it made a commitment to develop new standards to better manage stormwater runoff from new development. As noted in the master plan, the need for these new standards is based upon the following:

  • The city’s recent experiences dealing with channel stability problems elsewhere on Bull Mountain.
  • The presence of similar drainage channel conditions in River Terrace.
  • The city’s decision to develop a new continuous simulation model for this area.
  • Anticipated changes to Clean Water Services’ Design and Construction Standards to address pending requirements under their National Pollutant Discharge Elimination System (NPDES) permit.
  • The community’s desire to preserve and protect existing natural resources in the River Terrace and Bull Mountain area.

In addition to applying best practices for water quantity management, the new stormwater standards also require that regional stormwater facilities are designed to serve as community amenities by providing a recreational, educational, and/or habitat component pursuant to policy direction in the master plan.

The new draft standards are now available for public comment (see links below). You are welcome to submit your comments through this website or by sending them directly to Lori Faha, City Engineer at lorif@tigard-or.gov. Comments will be accepted until June 9 at 5pm.