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Mark Thomasson, P.E., Leed Ap Email & Phone Number

Executive Vice President at National Stormwater Trust, Inc. at National Stormwater Trust, Inc.
Location: Tallahassee Metropolitan Area, United States 10 work roles 2 schools
1 work email found @nationalstormwater.com 2 phones found area 850 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Work email m****@nationalstormwater.com
Direct phone (850) ***-****
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Role
Executive Vice President at National Stormwater Trust, Inc.
Location
Tallahassee Metropolitan Area, United States
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Mark Thomasson, P.E., Leed Ap is listed as Executive Vice President at National Stormwater Trust, Inc. at National Stormwater Trust, Inc., a with 6 employees, based in Tallahassee Metropolitan Area, United States. AeroLeads shows a work email signal at nationalstormwater.com, phone signal with area code 850, and a matched LinkedIn profile for Mark Thomasson, P.E., Leed Ap.

Mark Thomasson, P.E., Leed Ap previously worked as Executive Vice President, Engineering at National Stormwater Trust, Inc. and Vice President at Onsyte Performance. Mark Thomasson, P.E., Leed Ap holds Ms, Civil Engineering from Louisiana State University.

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Profile bio

About Mark Thomasson, P.E., Leed Ap

I have been fortunate to work for some of the best companies in Tallahassee and in Florida. In doing so I have developed sound engineering principals and invaluable connections, but, more importantly, insightful leadership, management and people skills.My goal is to help you solve complex regulatory, legislative and policy issues that are standing in the way of you completing your project. I will utilize my technical background and in-depth knowledge of the statutes, rules and policies coupled with contacts in federal, state, regional and local agencies developed throughout my years of experience, especially my time in executive management at FDEP, to develop a resolution.Whatever I can do to help, let me know.Specialties: Florida Environmental Regulations, EPA, Water Management Districts, Environmental Resource Permitting, 404 Permitting, Land Use Planning, Site Development, Residential Subdivisions, Commercial Site Planning, Parks & Recreation, Environmental Permitting, DRI's, Stormwater Modelling, Watershed Management, XP-SWMM, FEMA updates

Listed skills include Stormwater Management, Water Resources, Hydrology, Water, and 46 others.

Current workplace

Mark Thomasson, P.E., Leed Ap's current company

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National Stormwater Trust, Inc.
National Stormwater Trust, Inc.
Executive Vice President at National Stormwater Trust, Inc.
tallahassee, florida, united states
Employees
6
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10 roles · 25 years

Mark Thomasson, P.E., Leed Ap work experience

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Executive Vice President, Engineering

Current

Tallahassee, Florida, United States

National Stormwater Trust, Inc. (NST) is a stormwater management company that recently partnered with the Florida Department of Transportation (FDOT) to provide regional stormwater treatment services for the benefit of its customers and the environment.Through this public-private partnership with FDOT, NST develops, permits, and operates regional stormwater facilities and can permanently reserve for NST customers a specified volume of stormwater treatment capacity to offset the… Show more National Stormwater Trust, Inc. (NST) is a stormwater management company that recently partnered with the Florida Department of Transportation (FDOT) to provide regional stormwater treatment services for the benefit of its customers and the environment.Through this public-private partnership with FDOT, NST develops, permits, and operates regional stormwater facilities and can permanently reserve for NST customers a specified volume of stormwater treatment capacity to offset the stormwater treatment requirements associated with any size project.NST’s customers can fully develop their property without setting aside the land or capital usually required for stormwater ponds. Further, ongoing costs associated with pond maintenance are avoided. Additionally, under certain circumstances, a customer’s existing ponds may be eligible for decommissioning and redevelopment after being re-permitted in an offsite NST facility.NST has opened the Hillsborough, Pinellas, and Manatee County markets and will be opening the inventory of FDOT stormwater facilities along the Interstate I-4 corridor between Tampa and Orlando (including Orange County) market in the next 90 days.NST also can take over the management of existing stormwater facilities and create and oversee a program to generate incremental revenue for the owner. We’re currently looking for existing stormwater ponds at locations such as airports, seaports, state and local governments, education campuses, businesses, industrial and commercial parks, and retail and residential developments.How are we able to do this? By centralizing the management of a large number of regional ponds and utilizing advanced treatment technology, NST delivers efficient, professional services and improved regional water quality. Show less

Jan 2020 - Present

Vice President

Tallahassee, Florida Area

Our mission at OnSyte is to deliver the most cost effective wastewater treatment solution to consumers and commercial developers. For that I am tasked with developing and implementing the regulatory approvals for our systems in Florida. With new technology comes new challenges. We are navigating existing FDEP regulations to provide for more cost-effective solutions for communities. For commercial and residential developers, our systems can lead to increased revenues that can exceed… Show more Our mission at OnSyte is to deliver the most cost effective wastewater treatment solution to consumers and commercial developers. For that I am tasked with developing and implementing the regulatory approvals for our systems in Florida. With new technology comes new challenges. We are navigating existing FDEP regulations to provide for more cost-effective solutions for communities. For commercial and residential developers, our systems can lead to increased revenues that can exceed fifty-percent for the residential land development phase of a project. While attractive to developers, what's important to regulators is the assurance that the OnSyte Technology can achieve up to ninety-percent reductions in nutrient pollution by using the same proven biological treatment process that has been used in municipal treatment plants for over one-hundred years.We are proud to say the developments made over the past five years in a cloud-compatible process-controller has come to fruition. Our controller network allows us to optimize the performance of each system, providing regulatory compliance at a low cost. We have raised the bar and we look forward to working with everyone who wants to learn how our system saves money, improves the environment, and allows every user to have preventative maintenance and full compliance so that we exceed expectations for years to come. Show less

Nov 2017 - Jun 2023

Vice President

Wsource®

Tallahassee, Florida Area

WSource was founded to assist clients and partners to better develop, manage, conserve, and invest in water resources…sounds simple until you realize just how fragmented the business of water is in the United States and abroad. However, we believe this fragmentation and lack of consolidation in water resource development, transportation, technologies, services, and other water industry sectors is a modern opportunity for us to provide services in areas that will have the most impact on future… Show more WSource was founded to assist clients and partners to better develop, manage, conserve, and invest in water resources…sounds simple until you realize just how fragmented the business of water is in the United States and abroad. However, we believe this fragmentation and lack of consolidation in water resource development, transportation, technologies, services, and other water industry sectors is a modern opportunity for us to provide services in areas that will have the most impact on future generations.Our experienced team members have diverse backgrounds in finance, hydrology, hydrogeology, storm water management, water law, permit compliance, geology, engineering, mathematics, mapping, and sustainability. With a solid team, opportunities and your ideas can be researched and acted upon quickly, from experience and differing points of view.Please feel free to contact us or any member of our key management listed below. We will be happy to hear from you and will respond quickly to your inquiry. Show less

Mar 2015 - Dec 2022

Associate

Littlejohn, Mann & Associates

Tallahassee, Florida Area

We are focused on providing strategic guidance, policy recommendations, and technical assistance to our clients. Having a detailed understanding of current environmental policy direction within state and federal government, we can help position our clients to avoid or minimize potential problems or facilitate solutions to problems as they arise. We can dive into the regulations and technical details of a project or issue to uncover potential solutions that a more general review may not reveal… Show more We are focused on providing strategic guidance, policy recommendations, and technical assistance to our clients. Having a detailed understanding of current environmental policy direction within state and federal government, we can help position our clients to avoid or minimize potential problems or facilitate solutions to problems as they arise. We can dive into the regulations and technical details of a project or issue to uncover potential solutions that a more general review may not reveal, and we have the connections within state and federal environmental agencies that can quickly reach decisions. Show less

Mar 2015 - Jul 2021

Director, Division Of Water Resource Management

Tallahassee, Florida Area

The Division of Water Resource Management regulates coastal construction, mining and minerals extraction, domestic and industrial wastewater, NPDES stormwater, public drinking water systems, and activities that alter the flow of surface waters, including wetlands, commonly referred to as Environmental Resource Permitting. The Division also provides several hundred million dollars each year in loans and grants, primarily to local governments, for the construction of water and wastewater… Show more The Division of Water Resource Management regulates coastal construction, mining and minerals extraction, domestic and industrial wastewater, NPDES stormwater, public drinking water systems, and activities that alter the flow of surface waters, including wetlands, commonly referred to as Environmental Resource Permitting. The Division also provides several hundred million dollars each year in loans and grants, primarily to local governments, for the construction of water and wastewater infrastructure to restore and protect water resources. At this time we manage over $1 billion in active contracts. The division is also responsible for developing and maintaining rules to implement these statutory programs, providing training to District staff in the 6 regulatory districts, coordinating implementation agreements with the Environmental Protection Agency, the United State Army Corps of Engineers, Department of Health, local health departments, local sponsors and delegated local programs.Responsibilities included day-to-day oversight of each of sixteen programs within the division and overall management direction and policy guidance to their administrators, represent the Department to the Legislature, local governmental and applicants, oversee all related rule making, develop and implement a staff and district training plan for hundreds of staff implementing the programs, prepare a recommended budget each fiscal year along with recommendations for budget reductions, efficiencies and spending, and operating within the approved budget. Implemented reorganization of the Division of Water Resource Management, developed cost savings resulting in savings of over $3 million in FY 12-13 and $4 million in FY 13-14, developed the first Beach Management Agreement, negotiated EPA issuing a letter of support for the State’s position and implementing the State’s process nationwide, and oversaw funding and contract management for over $1 billion in fixed capital outlay projects. Show less

May 2011 - Mar 2015

Associate Vice President

Genesis Group

Tallahassee, Florida Area

Director of Site Civil and Stormwater Divisions: Responsible for identifying prospective markets and clients, marketing company, negotiating contracts, managing completion of work and maintaining client relationships. Types of clients under contract include commercial retail, commercial office, single family residential, multi-family residential and continuing care facilities. Also in charge of hiring technical staff, managing budgets, reviewing billings and maintaining accounts receivable… Show more Director of Site Civil and Stormwater Divisions: Responsible for identifying prospective markets and clients, marketing company, negotiating contracts, managing completion of work and maintaining client relationships. Types of clients under contract include commercial retail, commercial office, single family residential, multi-family residential and continuing care facilities. Also in charge of hiring technical staff, managing budgets, reviewing billings and maintaining accounts receivable. Current projects include City, County and State continuing service contracts, marinas, park projects, residential subdivisions, hotel sites, restaurant sites, apartment sites, condominium sites, retail development, banks, corridor planning, and downtown revitalizations. Show less

Jul 2003 - May 2011

Member

Leads Group 6 - Tallahassee Chamber Of Commerce

Tallahassee, Florida Area

2002 - 2007 ~5 yrs

Practice Builder

Tallahassee, Florida Area

Hired to open Civil Engineering Practice in the Florida Big Bend area for this national firm. Responsible for identifying prospective markets and clients, marketing company, negotiating contracts, managing completion of work and maintaining client relationships. Types of clients included commercial retail, commercial office, single family residential, multi-family residential and continuing care facilities. Responsibilities also included hiring technical staff, managing budgets, reviewing… Show more Hired to open Civil Engineering Practice in the Florida Big Bend area for this national firm. Responsible for identifying prospective markets and clients, marketing company, negotiating contracts, managing completion of work and maintaining client relationships. Types of clients included commercial retail, commercial office, single family residential, multi-family residential and continuing care facilities. Responsibilities also included hiring technical staff, managing budgets, reviewing billings and maintaining accounts receivable. Projects included 450 acre multi-use development, 11,000 square foot retail site in Tallahassee, 1,200 unit residential development in Leon County including Application for Binding Letter on Development of Regional Impact Status, 8,000 square foot office expansion, 60-acre residential development in Tallahassee, 32-acre commercial site master plan and marketing package in Ocala, permitting for 100,000 square foot retail center in Pensacola, roadway widening project in Lake and Sumter Counties, and several miscellaneous stormwater improvement projects in this area. Show less

Jun 2000 - Jun 2003

Partner

Tallahassee, Florida Area

Senior staff engineer reporting directly to company principals. Responsible for commercial and residential development projects from inception to occupancy. General responsibilities include meeting with clients, writing contracts, conducting site feasibility studies, preparing conceptual development plans, directing and managing a staff of five engineers, a landscape architect, nine designers and four CAD technicians in the preparation of site plan documents, engineering construction… Show more Senior staff engineer reporting directly to company principals. Responsible for commercial and residential development projects from inception to occupancy. General responsibilities include meeting with clients, writing contracts, conducting site feasibility studies, preparing conceptual development plans, directing and managing a staff of five engineers, a landscape architect, nine designers and four CAD technicians in the preparation of site plan documents, engineering construction drawings, and as-built certifications for city, county, state and federal regulatory agency reviews. Typical project elements include: zoning verification; identification of site specific zoning issues such as required set-backs, buffers, height restrictions, parking and loading requirements and/or restrictions; identification of environmental constraints such as wetlands, flood zones, presence of threatened or endangered fauna or flora, presence of native forests or patriarch trees, excessive slopes, unfit soils, or location in a special development zone requiring enhanced stormwater treatment; preparation of site plan documents for approval by the city or county Growth Management Department, site civil engineering design including site layout, grading, sediment and erosion controls, tree protection, water distribution, wastewater collection, stormwater conveyance, stormwater management facilities, pavement design, internal circulation, pavement markings, and connection to state and local roads, project bidding, construction management, and post construction certifications.Representative projects include commercial retail centers from 3,000 square feet to 292,000 square feet, restaurants, medical facilities, banks, churches, cellular towers, fire stations, commercial subdivisions, residential subdivisions from 10 to 800 lots, four-lane major collector roadways, planned unit developments (PUD's), and developments of regional impact (DRI's). Show less

Jan 1996 - May 2000

Civil/Environmental Engineer & Business Manager

Big Bend Technologies

Tallahassee, Florida Area

As the sole civil/sanitary engineer for the company, my duties included stormwater facility design and permitting, roadway layout and design, water and wastewater facility design, permitting, and construction management, utility evaluations, master planning, computer modeling, project management, marketing and client relations. Specific project experience includes county roadway engineering for Jefferson County, Florida, roadway, stormwater and utility infrastructure design for several… Show more As the sole civil/sanitary engineer for the company, my duties included stormwater facility design and permitting, roadway layout and design, water and wastewater facility design, permitting, and construction management, utility evaluations, master planning, computer modeling, project management, marketing and client relations. Specific project experience includes county roadway engineering for Jefferson County, Florida, roadway, stormwater and utility infrastructure design for several residential developments, commercial site plan development, wastewater treatment plant evaluations, expansions and upgrades, site assessments, and obtaining city, county, and state environmental permits. Gained considerable expertise in computer modeling of hydrologic systems, water distributions systems, wastewater and stormwater collection systems, nutrient kinetics, and general numerical models. Worked with AutoCAD with Cybernet, Cogo, and Wildsoft, KYPIPE, WATSYS, and Ad-ICPR.Business Manager: Responsible for the day to day management of the company. Accountable for work force management, project management, accounts receivable, accounts payable, payroll, and general cash flow decisions. Supervised a P. E., a P. G., and environmental scientists, two engineering technicians/CAD operators, an administrative assistant and a receptionist. Show less

Jun 1993 - Jan 1996
Team & coworkers

Colleagues at National Stormwater Trust, Inc.

Other employees you can reach at nationalstormwater.com. View company contacts for 6 employees →

2 education records

Mark Thomasson, P.E., Leed Ap education

Bs, Civil Engineering

Activities and Societies: Golden Band From Tigerland (aka LSU Marching Band), Basketball Band, American Society of Civil Engineers (ASCE).

FAQ

Frequently asked questions about Mark Thomasson, P.E., Leed Ap

Quick answers generated from the profile data available on this page.

What company does Mark Thomasson, P.E., Leed Ap work for?

Mark Thomasson, P.E., Leed Ap works for National Stormwater Trust, Inc..

What is Mark Thomasson, P.E., Leed Ap's role at National Stormwater Trust, Inc.?

Mark Thomasson, P.E., Leed Ap is listed as Executive Vice President at National Stormwater Trust, Inc. at National Stormwater Trust, Inc..

What is Mark Thomasson, P.E., Leed Ap's email address?

AeroLeads has found 1 work email signal at @nationalstormwater.com for Mark Thomasson, P.E., Leed Ap at National Stormwater Trust, Inc..

What is Mark Thomasson, P.E., Leed Ap's phone number?

AeroLeads has found 2 phone signal(s) with area code 850 for Mark Thomasson, P.E., Leed Ap at National Stormwater Trust, Inc..

Where is Mark Thomasson, P.E., Leed Ap based?

Mark Thomasson, P.E., Leed Ap is based in Tallahassee Metropolitan Area, United States while working with National Stormwater Trust, Inc..

What companies has Mark Thomasson, P.E., Leed Ap worked for?

Mark Thomasson, P.E., Leed Ap has worked for National Stormwater Trust, Inc., Onsyte Performance, Wsource®, Littlejohn, Mann & Associates, and Florida Department Of Environmental Protection.

Who are Mark Thomasson, P.E., Leed Ap's colleagues at National Stormwater Trust, Inc.?

Mark Thomasson, P.E., Leed Ap's colleagues at National Stormwater Trust, Inc. include Russ Freeman, Braden Fiveash, Natalia Bertowski, Jackson Ledford, P.E., and Autumn Glasgow.

How can I contact Mark Thomasson, P.E., Leed Ap?

You can use AeroLeads to view verified contact signals for Mark Thomasson, P.E., Leed Ap at National Stormwater Trust, Inc., including work email, phone, and LinkedIn data when available.

What schools did Mark Thomasson, P.E., Leed Ap attend?

Mark Thomasson, P.E., Leed Ap holds Ms, Civil Engineering from Louisiana State University.

What skills is Mark Thomasson, P.E., Leed Ap known for?

Mark Thomasson, P.E., Leed Ap is listed with skills including Stormwater Management, Water Resources, Hydrology, Water, Civil Engineering, Land Use Planning, Environmental Permitting, and Environmental Awareness.

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