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Firethorn is a 120-unit subdivision and golf club built around a championship 27-hole golf course near Lincoln, NE.

The treatment system consists of a primary anaerobic digester, a subsurface flow constructed wetlands, an intermittent sand filter with discharge to a small tributary of Salt Creek. The entire treatment process is gravity powered. Design flow is 51,000 gallons per day.

The system has consistently met the permit requirements summer and winter.