The projects undertaken by Willis Engineers are probably the best testament to the quality of work we perform.  The following are examples of a variety of projects showcasing the range of our capabilities.  All of the work shown was performed by the current Willis Engineers design team.  For more information on any of these projects please feel free to contact us.

WSACC – Muddy Creek WWTP Expansion

The Water and Sewer Authority of Cabarrus County (WSACC) owns and operates a wastewater treatment facility on Muddy Creek providing service to customers in the Midland, North Carolina area.  The treatment facilities were originally constructed as a 75,000 gallon per day (gpd) modular wastewater treatment plant and were subsequently expanded in 2009 to increase the…

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Town of Mooresville – Rocky River Outfall

The Town of Mooresville owns and operates a complex wastewater collection and treatment system providing service to residential, commercial and industrial customers throughout the Town.  Historically growth in Mooresville has occurred on the west side of Town near Lake Norman, but in recent years the Town is experiencing significant industrial and residential growth to the…

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Town of Mocksville – Dutchman’s Creek WWTP Renovation

The Town of Mocksville Dutchman’s Creek Wastewater Treatment Plant provides service to residential and industrial customers on the eastern side of the Town.  The Town hired Willis Engineers to assist with renovation of the Plant to replace undersized and worn out equipment that has resulted in numerous mechanical failures and NPDES violations. The project includes…

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City of Laurinburg – Barnes Bridge Road Pump Station Improvements

The City of Laurinburg operates an extensive wastewater collection system comprised of 156 miles of sewers and 33 pump stations.  One of these pump stations, the Barnes Bridge Road facility, is a duplex submersible pump station that was constructed in 1994. This pump station exhibited significant degradation of its mechanical and electrical components and was…

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Charlotte Water – Vacuum Truck Receiving Station

Charlotte Water operates a fleet of vacuum sewer cleaning trucks to help maintain the wastewater facilities throughout their system.  The receiving facilities where the waste from the trucks were offloaded was unsafe and problematic.  Charlotte Water engaged Willis Engineers to design a new Vacuum Truck Receiving Station at the Field Operations Zone 4 facility off…

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Town of Mooresville – Washwater Basin Improvements

The Town of Mooresville operates two water treatment facilities providing service to customers in Mooresville, North Carolina. The original Water Treatment Plant (WTP #1) utilizes an earthen basin for storage of alum sludge.  The Plant was constructed in the 1960s and over time the basin had lost its shape and has become difficult to maintain.…

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Town of Mooresville – McCrary Creek Pump Station Improvements

The Town of Mooresville operates the McCrary Creek Pump Station, which provides service to customers located in Morrison Plantation. The pump station was constructed in the early 2000’s and utilized an in-channel grinder intended to grind any solids that entered the station. Over the years the Town has experienced difficulty with operation of the pump…

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WSACC – Mt. Pleasant Pumping Station Improvements

The Water and Sewer Authority of Cabarrus County (WSACC) owns and operates wholesale wastewater conveyance systems serving the Town of Mt. Pleasant.  Collection of wastewater at the retail customer level is done by the Town, who discharges wastewater into the WSACC system.   Wastewater is pumped by WSACC through a series of force mains to a…

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City of Shelby – Uptown Water and Sewer Improvements

The City of Shelby operates an extensive water treatment and distribution system with a maximum treatment capacity of 12.0 million gallons per day (MGD).  Much of the distribution system, particularly in the Uptown Area, was installed in the early 1900’s and consists of cast iron piping assembled using lead joints.  Although this infrastructure has served…

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Charlotte Water – Davidson Water Transmission Main

Charlotte Water provides water and sewer service to areas throughout Mecklenburg County.  Charlotte Water completed a Master Plan that included a comprehensive evaluation of the water system and identified several projects needed to improve service for Charlotte Water customers. One of the recommendations was a new 24-inch water main to improve water service in the…

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Town of Mocksville – Court Square Water Line

Customers in downtown Mocksville were provided water service by 4-inch water lines that were over 100 years old. The Town was concerned that, due to the location of the pipeline, the new streetscaping efforts in Court Square could be hindered by the aging utilities.  The pipe was made of cast iron, with lead joints and…

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City of Shelby – East Elevated Tank

For many years the City of Shelby has struggled to maintain adequate fire flow and water pressure in the eastern part of the City.  This area grew with expansion of the Cleveland Community College and other civic facilities east of Shelby.  Unfortunately, extension of the water system was done without a comprehensive master plan or…

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City of Laurinburg – 401 Industrial Park Pump Station and Pipelines

Willis Engineers worked with the City of Laurinburg in evaluating the water and sewer infrastructure needs to support a new industry in their industrial park.  The industry required an extremely aggressive timetable for their sewer needs.  Willis Engineers immediately developed an implementation plan to meet their needs.  Four separate construction contracts were defined for the…

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Town of Mocksville – Madison Road Booster Pump Station Improvements

The Town of Mocksville operates an extensive water system providing service to customers throughout the Town. Water service north of Interstate-40 is provided by the Madison Road Booster Pumping Station which is equipped with two booster pumps, one of which must be operating at all times to maintain system pressure. In order to improve reliability…

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City of Morganton – Filter Media Upgrade

The City of Morganton’s Water Treatment Plant was constructed in 1956 and has been expanded and renovated several times.  The Plant includes nine filters with three different generations of filter bottoms.  The City recognized the need to upgrade the filters and hired Willis Engineers to assist in designing the necessary improvements with minimal interruptions. In…

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City of Monroe – West Pressure Zone Elevated Tank

The City of Monroe operates an extensive water distribution system that includes two primary pressure zones.  The west pressure zone has seen substantial growth in recent years, including residential subdivisions, commercial development, and the Monroe Corporate Center. In order to enhance service to their new customers, the City of Monroe hired Willis Engineers to design…

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