Warsaw Wastewater Treatment Plant
Warsaw, IN | City of Warsaw, IN | Municipal Government
View project sourceDirectory
Public engineering firm profile
Wessler Engineering
Indianapolis, IN
There is no water problem we can't solve together™
- Services
- 51
- Offices
- 8
- Projects
- 8
- Leaders
- 8
- Founded
- 1988
- Size Estimate
- 50-150 employees
Overview
Wessler Engineering is an Indianapolis-headquartered civil and environmental engineering firm founded in 1988, specializing in wastewater, drinking water, and stormwater infrastructure for municipal clients across Indiana and Ohio. With eight offices and a deep bench of licensed engineers, it offers end-to-end capabilities spanning design, construction services, electrical and instrumentation and controls, environmental permitting, GIS, survey, and field services. Wessler is known for long-term client partnerships built around problem-solving and community impact.
- Founded
- 1988
- Size Estimate
- 50-150 employees
Services
Wastewater Engineering
Collections and treatment specialists providing wastewater services throughout collection and treatment systems - from pump station design to plant upgrades and CSO planning.
Drinking Water Engineering
Planning, design, and project management for municipal drinking water distribution, treatment, storage, and booster station infrastructure serving residential, commercial, and industrial consumers.
Stormwater Engineering
Sustainable stormwater drainage design with conscious evaluation of environmental impact, from master planning through MS4 compliance and force main design.
Environmental Services
Environmental management plans, NPDES permitting, SWPPP development, and erosion and sediment control to prevent accidental spills and environmental impacts.
Electrical Engineering
Full range of electrical engineering services for projects of all sizes, with emphasis on energy efficiency, arc flash analysis, power system design, and SCADA.
Instrumentation & Controls (I&C)
Design, programming, and integration services to optimize interactions between process and operator, including cyber and control system security.
Structural Engineering
Structural engineering focused on solving problems for municipalities - failing structures, water treatment facility structures, and wastewater infrastructure components.
GIS - Geographic Information System Mapping
Spatial data management turning buried infrastructure records into actionable intelligence - reducing project risk, cutting costs, and improving decision-making for municipal clients.
Survey
Survey services built not just to collect coordinates but to uncover clarity - topographic, ALTA, easement, land title, and floodplain surveys.
Field Services
Inspections and condition assessments to determine cost-efficient ways to improve the operation and function of sewer and utility systems.
Construction Services
Experienced construction administration and resident project representative (RPR) services, engaged in the project long before construction begins.
Industries
Firm type
Project types
Projects
Booster and Re-chlorination Station
Spiceland, IN | Town of Spiceland, IN | Municipal Government
View project sourceMorton Street Lift Station Improvements
Fort Wayne, IN | City of Fort Wayne, IN | Municipal Government
View project sourceInfluent Pump Motor Control Center Evaluation
Amherst, OH | City of Amherst, OH | Municipal Government
View project sourceDigester Renovation with Alternative Power Source
West Lafayette, IN | City of West Lafayette, IN | Municipal Government
View project sourceNorthwest Pump Station #1 Electrical Upgrades
Fort Wayne, IN | City of Fort Wayne, IN | Municipal Government
View project sourceOn-Call Permitting and MS4 Services
Fort Wayne, IN | City of Fort Wayne, IN | Municipal Government
View project sourceHoneywell Environmental Services
Urbana, OH | ChemicoMays / Honeywell | Municipal Government
View project sourceSoftware
Credentials and affiliations
Leadership
Dylan Lambermont
P.E., LEED AP - Officer, President
Drinking water treatment, distribution, master planning, SRF/OCRA. At Wessler since 2006.
Robert W. Holden II
Ph.D., P.E., BCEE - Officer, Senior Vice President and Wastewater Group Head
Wastewater, water treatment/distribution, design. At Wessler since 2014.
Melissa Mitchell
MSHRM - Officer, Senior Vice President of Administration
HR, employee relations, personnel policy. At Wessler since 2007.
Mary Atkins
P.E., CPESC, LEED AP - Officer, Vice President
Stormwater, environmental, permitting. At Wessler since 2000.
Ryan Brauen
P.E. - Officer, Vice President, Ohio
Drinking water, wastewater, stormwater. At Wessler since 2005.
Aaron Hutton
P.E. - Officer, Vice President and Fort Wayne Office Manager
Stormwater, wastewater, planning, design. At Wessler since 2015.
William J. Leber
P.E., LEED AP - Officer, Senior Project Manager and Vice President of IT
Stormwater, IT, planning, airports. At Wessler since 1999.
Gary Ruston
P.E., BCEE - Technical Services Director
Wastewater, CSO, planning, design, bidding. At Wessler since 2000.
Publications
What is GIS...Really?
article | 2026
View publicationArc Flash Series, Part 6: Arc Flash Labels - What They Say, What They Don't
article | 2026
View publicationGrate Expectations: Crossroads of America - Indiana's Approach to MS4
article | 2026
View publicationOffices
Indianapolis, IN 46227
HeadquartersBluffton, OH 45817
Carmel, IN 46032
Merrillville, IN 46410
Dublin, OH 43017
Fort Wayne, IN 46804
Evansville, IN 47715
West Lafayette, IN 47906
1435 Win Hentschel Boulevard, Suite 105
West Lafayette, IN 47906
USA