SCS Engineers

At the forefront of sustainable environmental solutions for over 56 years.

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About the firm

SCS Engineers is an environmental consulting and construction practice that designs and implements sustainable environmental solutions. Founded in 1970, it delivers a broad spectrum of services with core capabilities in solid and hazardous waste management, landfill gas, site remediation, renewable energy, and regulatory compliance for air, water, and soil. It supports municipal, industrial, agricultural, and utility clients with full-service engineering, operation, monitoring, and technology integration.

Established
1970
Team
Enterprise
Firm type
Environmental Engineering · Design-Build · Civil Engineering · Process Safety Engineering · Emissions Control · Power & Utility Engineering · Water / Wastewater Engineering

People

Doug DoerrPresident and Chief Executive Officer

Jim WalshChairman of the Board of Directors

Robert GardnerSenior Vice President

Capabilities

Solid Waste Management

Service website

Delivers comprehensive planning and design solutions for municipal and private waste facilities, from waste characterization studies to the development of modern recycling and organics programs.

  • Landfill Permitting and Engineering

    Provides technical feasibility studies, regulatory permitting, composite liner design, and closure planning for sanitary and hazardous waste disposal facilities.

  • Materials Recovery Facility Optimization

    Designs and permits advanced waste processing and sorting facilities to increase diversion rates and streamline municipal recycling programs.

  • Organics and Composting Programs

    Develops food waste recovery plans, pilot tests, and large-scale aerated static pile composting operations to divert organic materials from landfills.

  • Waste Characterization and Master Planning

    Conducts statewide and local waste stream assessments to help municipal agencies establish financially sustainable management plans.

Biogas and Renewable Energy

Service website

Designs, constructs, and operates recovery systems that capture waste gases for beneficial reuse or destruction, helping mitigate greenhouse gas emissions.

  • Landfill Gas to Energy Systems

    Engineers power generation facilities, microturbines, and treatment systems that convert raw landfill methane into pipeline-quality natural gas or electricity.

  • Digester Gas to Energy Plants

    Designs and builds anaerobic digestion systems at wastewater treatment plants to produce biomethane for direct grid injection.

  • Waste Gas Operation and Maintenance

    Performs continuous monitoring, safety tuning, and system optimization for biogas pipelines and power generation equipment.

Environmental Compliance

Service website

Provides environmental risk assessment and regulatory compliance support across air, water, and soil mediums to keep projects on schedule and within budget.

  • Phase I Environmental Site Assessments

    Conducts standardized real estate due diligence, historical reviews, and hazardous substance screenings, including emerging contaminants like PFAS.

  • Air Quality Permitting and Monitoring

    Assists highly regulated industrial and municipal operators with Clean Air Act Title V permits, greenhouse gas reporting, and odor characterization.

  • Vapor Intrusion and Radon Assessment

    Evaluates subsurface gas migration pathways and implements building mitigation strategies to protect indoor air quality.

Remediation and Site Restoration

Service website

Investigates, maps, and remediates contaminated soil, groundwater, and stormwater at complex industrial sites and brownfields.

  • Brownfield Redevelopment Consulting

    Transforms blighted industrial properties, former landfills, and mine tailings into transit-oriented housing, parks, or commercial developments.

  • Groundwater and Stormwater Treatment

    Designs and installs treatment systems, including barrier walls and integrated extraction wells, to manage localized plume migration.

  • PFAS and Emerging Contaminant Mitigation

    Applies regulatory guidance and advanced destruction technologies to address widespread forever chemical contamination in soil and municipal water.

Process Safety and Risk Management

Service website

Develops and implements specialized risk management programs for hazardous materials storage and cooling systems.

  • OSHA Process Safety Compliance

    Helps industrial refrigeration and manufacturing facilities establish Process Safety Management systems to prevent accidental chemical releases.

  • EPA Risk Management Programs

    Creates hazard assessments, emergency response plans, and regulatory submittals under Clean Air Act Section 112r regulations.

Liquid Waste Management

Service website

Provides specialized disposal and treatment engineering for complex industrial wastewater, leachate, and produced water.

  • Deep Well Injection Systems

    Designs Class I underground injection control wells for the safe disposal of liquid wastes from power utilities and industrial facilities.

  • Leachate Collection and Treatment

    Engineers robust liners, containment sumps, and biological treatment facilities to collect and reduce contaminants in landfill run-off.

Environmental Technology and SCADA

Service website

Deploys custom software and hardware solutions to capture, track, and evaluate critical compliance data in real time.

  • SCS RMC Remote Monitoring and Control

    Integrates cloud-based supervisory control and data acquisition systems with drone-based telemetry to visualize facility operations remotely.

  • SCSeTools Environmental Platform

    Maintains a secure database solution for logging groundwater, gas, and flare data to streamline state and federal compliance reporting.

Management and Financial Consulting

Service website

Supports public and private agencies with long-term financial modeling to ensure the financial sustainability of major utility operations.

  • Utility Rate and Financial Studies

    Projects capital expenditures, operational budgets, and rate structures for solid waste, stormwater, and wastewater programs.

Industries

Waste Management · Government · Oil & Gas · Electric Utilities · Manufacturing · Mining · Defense · Wastewater · Water Supply · Commercial · Land Development · Renewable Energy · Semiconductors · Agriculture · Parks & Open Space

Projects

Casa Ramona Remediation

Environmental & Remediation · 2025 · Client: Grow America

Project details

Conducted remediation work at Casa Ramona, earning an environmental achievement award for groundwater and soil mitigation.

RaDD Waterfront Brownfield Redevelopment

San Diego, CA · Land Development · 2025 · Client: IQHQ

Project details

Transformed acres of waterfront brownfields in San Diego into a modern research and development district with public green spaces, retail, and dining.

Hillsborough County Biosolids Composting Facility

Hillsborough County, FL · Waste Management · 2022 · Client: Hillsborough County

Project details

Designed and implemented a sustainable composting and organics management system to process biosolids.

COMM22 Mixed-Use Development

San Diego, CA · Land Development · 2017 · Client: BRIDGE Housing Corporation

Project details

Performed environmental due diligence, phased investigation, and remediation design to transform a blighted site into an award-winning mixed-use, transit-oriented housing development.

SCS Engineers - Engineering Firms