Water/Environment Award of Merit: Nitrogen Upgrades Project

Aslan Construction is General Contractor on City of Boulder’s 75th St Nitrogen Upgrades project that won Water/Environment Award.

Carollo Engineering and Aslan Construction  significantly upgraded Boulder’s 75th Street Wastewater Treatment Facility, which involved modifying the plant’s aeration basins and solids contact tanks, converting a pre-dewatering storage tank into a post-aerobic digester and constructing a new external carbon-storage and feed facility. The City is using waste from Avery Brewing in Boulder to feed the microbes that digest nitrates in sewage.

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