Ever wonder what happened to the afternoon stench that used to float up the Clark Fork River and hover around Reserve street? It's been missing for nearly a year now thanks to a bunch of new technology at Missoula's waste treatment facility.

Missoula's new headworks waste treatment plant has been up and running since last December, but it wasn't until recently that the old treatment plant could be completely removed. The upgrade to the plant cost over 1.7 million dollars and includes a new photo-ionization unit imported from Germany. According to Waste treatment superintendent Starr Shannon Missoula is the first principality to use the high-tech aroma reducer, which has cut back the smell by over 90%.

Superintendent Starr Shannon explains the new waste treatment upgrades.

New features include a modular infrastructure that makes it easy to add future technologies as well as new energy saving devices. The public is invited to view the new facility on Tuesday, September 11 at noon.

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