Photo By: CH2M HillWastewater treatment plant's odor problem
This aerial view of the city’s wastewater treatment plant show the work being done by CH2M Hill, which was given the contract to upgrade and operate.
If all goes as planned, Wilsonville’s stinky days may be numbered. For the past few years — especially during the warmer summer months — the city’s aging sewage plant has been emitting not-so-sweet odors, stinking out residents in neighborhoods closest to the plant as well as motorists passing through Wilsonville on Interstate 5.
