The trees removed from the expanded reservoir may have a new life as “biochar,” improving soil for plants.

Denver Water TAP – Expanding a reservoir has a lot of challenges, among them dealing with the trees and bushes that must be removed.

Leaving this biomass in place to decay under the surface of the water creates safety issues for recreators and water quality issues for treatment plant operators.

Denver Water, always on the lookout for new technologies, is considering a range of options to dispose of trees at Gross Reservoir that must be removed as part of the expansion project — including creating “biochar,” a type of fine-grained charcoal that helps the soil retain nutrients.

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