Resource Recovery Facility Spotlight - Metropolitan Wastewater Management Commission’s (MWMC) Renewable Natural Gas Project

resource recovery

The Metropolitan Wastewater Management Commission’s (MWMC) Renewable Natural Gas Project was recently selected as the recipient of the 2022 Excellence in Resource Recovery Award. This award is presented to agencies that demonstrate outstanding performance in moving the concept of resource recovery forward in the Pacific Northwest region.

MWMC embarked on an exciting project to purify biogas to produce renewable natural gas (RNG). In 2021, construction of biogas purification facilities on the MWMC’s Wastewater Treatment Plant grounds, along with NW Natural’s receipt point facility, was completed. The MWMC first injected gas into the NW Natural pipeline in November 2021 and became the first public agency in Oregon to do so. Through this project, the majority of biogas the MWMC produces will be converted into RNG and then injected into NW Natural’s pipeline system. Previously, the MWMC utilized about 60% of its biogas to power the treatment plant, and the remaining 40% was flared to the atmosphere. This project will minimize flaring and convert nearly all the biogas to clean energy. For more information on this project, please visit mwmcpartners.org/capital-improvements/rng/.

Congratulations to MWMC on receiving this award. We are grateful for your extraordinary service to the clean water industry!

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