To the advantage of our clients, the level of experience and education represented by our staff includes registered Professional Engineers with advanced degree training in civil and environmental engineering. Our engineers have an average tenure of over twenty-six (26) years with AEC, providing a depth of knowledge that is second to none. Due to our collaborative structure, we are able to effectively utilize our staff’s extensive background in a wide range of projects by facilitating input from those team members with the expertise most relevant to the project at hand. This results in a team that has been working together on similar projects for over two decades, providing a true synergy and momentum to each project.


Loan/Grant Administration

Water & Sewer Rate Design Analysis /Restructuring

Master Planning

Program Administration

Financial Feasibility Reports


Capital Improvement Planning

Pretreatment Permitting

NPDES Permitting


Town of Edisto Beach Rate Study & Financial Feasibility Report

Water and sewer rate study and preparation of a Financial Feasibility Report. Historical revenue and expense trends were evaluated to determine future projections. In conjunction with the Rate Study, a Financial Feasibility Report was also developed.

Feasibility Study of the Former Biomass Facility at the University of South Carolina Columbia Campus

Feasibility Study of the repurposing alternatives available for the former Biomass Facility, once the demolition of the existing Biomass Equipment has been completed.

West Columbia Rate Study, Capacity Fees Study & Financial Feasibility Report

Water and Sewer Rate Study, conducting a Capacity Fee Analysis, and preparing a Financial Feasibility Report. Recommendations were made, and subsequently adopted to implement a new rate structure for the City that better reflects the cost of service for each customer class, and provides for a more accurate distribution of water and sewer revenue.

I-20 Wastewater System Evaluation Study

In connection with the Town of Lexington’s acquisition of the CWS I-20 Regional Wastewater System, a sewer system evaluation study and capital improvements plan was performed in order to identify the condition, capacity, location, and required future capital improvements for the system which includes approximately 101,000 LF of gravity sanitary sewer mains, 50,000 LF of force mains, 450 manholes, and 16 pump stations. The field data was collected by Town staff and then reviewed by AEC’s NASSCO Certified staff. In conjunction with gravity main inspection, a thorough inspection of all sixteen (16) pump stations was performed.

City of West Columbia Water and Sewer Rate Study

Conducted a water and sewer system financial feasibility evaluation and rate study for the City in conjunction with the City’s wastewater treatment services by the Columbia Metro WWTP.

The Avenues Drainage Study

AEC conducted a storm drainage conveyance study including pipes and ditches due to persistent localized flooding in the Avenues portion of the City of Cayce. Data compiled was put into a hydraulic model in order to identify portions of the drainage system that were over capacity. The study evaluated a total area of 530 acres comprised of three separate drainage areas.

Designing the Future on a Foundation of Excellence for Over 25 Years