Carollo Engineers, Inc.

Working Wonders with Water

Website

About the firm

Carollo Engineers, Inc. is an environmental engineering consulting practice exclusively focused on water and wastewater solutions. Founded in 1933, it delivers engineering, planning, design, and construction services for drinking water, wastewater, water reuse, water resources, and stormwater infrastructure. The practice serves public utilities and municipal clients across North America, integrating advanced technologies, applied research, and digital decision support to optimize water resources.

Established
1933
Team
Enterprise
Firm type
Water / Wastewater Engineering · Environmental Engineering · Design-Build

People

Jeff CrowleyProgram Manager

Kiersten WangsvickProject Manager

Capabilities

Water Infrastructure

Comprehensive planning, design, construction, and startup services for water utility assets.

  • Drinking Water

    Proven water supply, treatment, and distribution engineering solutions utilizing advanced treatment technologies.

  • Wastewater

    Facility planning, design, and construction services incorporating conventional and emerging wastewater treatment technologies.

  • Water Reuse

    Innovative engineering for water reuse systems, supported by dedicated in-house research and advanced purification expertise.

  • Water Resources

    Holistic, resilient management strategies designed to protect and sustain both the quality and quantity of water resources.

  • Stormwater Management

    Planning and engineering services focused on managing stormwater, runoff, and flood risk mitigation.

Collaborative Delivery & Program Management

Alternative project delivery, management, and strategic advisory services to support successful program execution.

  • Collaborative Project Delivery

    Expertise in collaborative delivery methods designed to optimize schedules, manage risks, and control project costs.

  • Program Management

    Owner's advisory and comprehensive program management to guide complex water infrastructure programs from conception to completion.

  • Construction Services

    On-site construction management, field inspection, and administrative support to ensure quality and compliance.

  • Utility Advisory Services

    Strategic business, financial, and regulatory consulting to enhance the operations and governance of water utilities.

  • Resilience and Sustainability

    Planning and design strategies focused on long-term climate resilience, resource conservation, and sustainability.

Operations & Digital Solutions

Innovative data management, performance analytics, and automated process control to optimize facility operations.

  • Operations Services

    Hands-on operational support and facility diagnostics to maximize treatment capacity and compliance.

  • Plant Operation and Optimization

    Applying advanced data tools to help utilities produce higher quality water more efficiently over smaller footprints.

  • Decision Support

    Leveraging big data, advanced computing, and tools like Blue Plan-It to evaluate capital decisions before investment.

  • Data Management and Visualization

    Tailored digital water solutions integrating multiple software systems to enable real-time operational decision-making.

Applied Research & Development

Pioneering water science and technology development to bridge the gap between research and practical applications.

  • Research and Development

    Collaborative research with academic and technology partners to advance treatment science and solve complex water challenges.

  • Feasibility and Field Testing

    Pilot programs, field research, and laboratory analysis conducted through dedicated facilities like the Water ARC.

  • Treatment Processes and Technologies

    Evaluating and implementing innovative treatment solutions to improve efficiency and reduce capital expenditures.

Industries

Utilities · Water Supply · Wastewater · Water Resources · Stormwater & Flood Control

Projects

Geren Island Water Treatment Plant Improvements

Geren Island · Water Supply

Project details

Water supply, treatment, and distribution improvements project.

El Paso Advanced Water Purification Facility

El Paso · Water Supply

Project details

Preliminary engineering, design, and permitting for an advanced water purification facility.

Coffee Creek Water Resource Recovery Facility Expansion

Edmond, OK · Wastewater

Project details

Facility expansion for water resource recovery.

Blue River Wastewater Treatment Plant Facility Plan and Improvements Design

Kansas City, MO · Wastewater

Project details

Comprehensive facility plan and improvements design.