Water

Wilson Creek Wastewater Treatment Plant Upgrade

Client
Greenwood Metropolitan District
Date
In Progress
Disciplines
Buildings Engineering
Construction Administration & Inspection
Environmental
Water & Wastewater Engineering
Objectives

Greenwood Metropolitan District (GMD), a non-profit agency providing sewer and reclaimed water services, required design and plant upgrades to their existing Wilson Creek Wastewater Treatment Plant (WWTP). In order to complete the project, GMD engaged Davis & Floyd to design, bid, and oversee construction of all phases of the upgrades.

Awards:

ACEC-SC Engineering Excellence Award for Phase 1B

Scope

Prepared Preliminary Engineering Report (PER) to investigate options and develop cost estimates

Constructed two 135-foot-diameter clarifiers and new RAS/WAS pump station, a 40.0-MGD influent screening and pumping station, grit removal system, two 6.0-MGD BNR systems, two 135-foot-diameter clarifiers, ultraviolet disinfection system, and effluent flushing water system

Renovated administration building

Upgraded emergency power for the plant

Installed advance cloth membrane filtration technology

Challenges

Previous plant additions resulted in the WWTP operating beyond its hydraulic capacity

Nitrogen and phosphorus limits were susceptible to future regulatory changes

Outcome

A successful upgrade project that fitted WWTP with the latest technologies to accomplish biological treatment of the waste stream under more stringent regulatory requirements.

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