Service-Disabled Veteran-Owned Small Business

Building systems communities depend on

Engineering aligned with capital planning, resilience strategy, and long-term performance.

Trusted by 40+ municipalities & stage agencies nationwide

Project experience across 25+ states

Water · Infrastructure · Environment · Resilience · Sustainability

why it matters

Public decisions have to work in the real world

Public agencies make decisions about systems communities rely on every day, often with consequences that extend for decades. The engineering matters, but so do the realities surrounding it: available funding, regulatory requirements, existing infrastructure, and the people a project will affect.

Drummond Carpenter works with public clients to understand these conditions early and carry sound engineering decisions through implementation. Our teams bring engineering, environmental science, and data intelligence together to help agencies make informed choices about the systems and communities they serve.

who we support

We partner with organizations responsible for critical systems

Cities, counties, and municipal governments

Regional authorities and special districts

Water management districts and utilities

State agencies and program administrators

Universities and campus systems

Facilities, planning, and sustainability teams

From Planning Through Implementation

We support projects across the full lifecycle

Funding, permitting, constructability, and public priorities can shape a project as much as the initial technical analysis. We account for those realities throughout the work, with capabilities that include:

Design and engineering

Surface water, groundwater, and water quality modeling

Concept development and alternatives analysis

Permitting and regulatory coordination

Community engagement and stakeholder coordination

Site assessment and data collection

Construction support and implementation

Post-construction evaluation and performance tracking

Staying engaged across phases helps preserve technical knowledge and keeps cost, constructability, and schedule in view as projects move toward implementation.

WHAT WE DELIVER

From watersheds to critical infrastructure

We help clients understand complex systems, set priorities, and make informed decisions about where to invest.

Regional flood risk and vulnerability strategies

Stormwater and watershed master planning

Lake, river, stream, and spring restoration

TMDL compliance and water quality recovery

Infrastructure asset prioritization and capital planning

Dam safety evaluation and risk-informed planning

System-scale green infrastructure integration

Ordinance modernization supported by technical analysis

work in practice

Engineering tested in real conditions

Wetland Trend Analysis & Ordinance Modernization

Orange County Environmental Protection Division

Dam Risk Prioritization Strategy

Michigan Department of Environment, Great Lakes and Energy

Countywide Flood Modeling & Resilience Strategy

Orange County, Florida
State, local & education contact

Engagement lead

Lee Mullon, PE, CFM, BC.WRE, PMP
Senior Principal Engineer

  • Professional Engineer (FL, PA)
  • Board Certified Water Resources Engineer
  • Certified Floodplain Manager
  • Project Management Professional
  • Certified Stormwater Erosion and Sediment Control Inspector


Lee brings nearly 25 years of experience serving over 20 municipalities and state agencies nationwide. His expertise spans stormwater systems, watershed strategy, TMDL compliance, flood control, dam safety, and infrastructure resilience. From funding strategy and permitting through construction oversight and performance monitoring, he helps agencies connect engineering analysis to real-world implementation.

why organizations choose us

Why organizations choose Drummond Carpenter

  • Integrated expertise across water, infrastructure, environment, and data
  • Experience navigating public funding and regulatory requirements
  • Continuity from early planning through implementation
  • Engineering grounded in cost and constructability
  • Modeling that informs policy, funding, and capital investment
  • Technical findings communicated clearly to decision-makers
take the next step

Let's move your next public project forward

Bring us the challenge you’re working through, and we’ll help you connect sound technical decisions with the realities of funding, regulation, and implementation.