System planning
Water pipelines, pumping, storage, wastewater collection planning, pressure-plane evaluation, and fire-flow considerations.
Built on service and accountability.
Veteran-owned since 2002, Essayon supports Texas municipalities from early planning through construction.
A focused practice for complex public work.
Essayon Engineering & Development, Inc. was established in 2002 to serve municipal and corporate clients across water, wastewater, and site planning projects.
The practice supports cities in Dallas County and surrounding counties with system planning, distribution and collection design, treatment facilities, permitting, and project management.
Grant writing and grant or loan management are integrated with engineering services, giving public clients a coordinated path from identified need to funded construction.
David G. McSwain, P.E.
President, founder, civil and environmental engineer
David McSwain is the president and founding member of Essayon Engineering & Development, Inc. He has more than 25 years of experience in the design, project management, and construction management of water and wastewater systems and treatment facilities.
His work covers project concept through startup for new and expanded facilities, including grant and loan acquisition from state and federal agencies.
He has also worked directly at construction sites, supervising contractors and resolving field problems for fast-track projects.
- Education
- B.S. Civil Engineering, Texas A&M University, 1989
- MPH Environmental/Public Health, University of Hawaii, 1999
- Registration
- Professional Engineer, State of Texas
- Military service
- U.S. Army Reserves, retired lieutenant colonel
- Clearance
- Secret clearance issued by the Department of Defense
Experience across systems, funding, and delivery.
The team combines regulatory understanding with practical project execution for municipal infrastructure.
Regulatory work
Treatment plant evaluations, Safe Drinking Water Act upgrades, environmental permitting, route surveys, and agency coordination.
Project delivery
Grant and loan acquisition, engineering design, project management, construction management, and field inspection.
Quality and safety stay inside the process.
Reviews, workshops, utility coordination, and field observation are built into the work at the points where they matter.
Plan capacity
Evaluate current and future needs before improvements are defined.
Review design
Perform internal QA/QC at 30%, 60%, 90%, and final documentation.
Coordinate early
Hold workshops with clients and agencies and locate existing utilities before construction.
Observe the field
Use site visits and project meetings to maintain continuity and review safety plans.
Municipal clients.
Selected public clients represented in Essayon’s current project record.
City of Caddo Mills
City of Cockrell Hill
City of Celina
City of Azle
City of Dallas
Bring us the difficult infrastructure problem.
We will help define the work, identify the path forward, and carry it through delivery.
Contact us