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Carollo Engineers

710 W Pinedale Ave Fresno CA 93711 Work Phone: (559) 436-6616 Website: https://www.carollo.com


Carollo Engineers is a renowned environmental engineering firm that has been dedicated to water and wastewater solutions for 90 years. Since its inception in 1933, Carollo has focused solely on water, demonstrating a deep expertise and experience in this area. This specialization has allowed them to deliver improved performance, minimized risk, and capital reductions for their clients.

Carollo prides itself on being a part of projects that not only change lives but also positively impact the world we live in. Their work includes a wide range of innovative planning, design, and construction management services to cater to the water, wastewater, and reuse needs of municipalities, public agencies, private developers, and industrial clients.

Carollo’s services encompass various aspects of environmental engineering, including

  • Climate Change Resilience Planning
  • Collaborative Project Delivery
  • Construction Management and Support
  • Drinking Water
  • EPIC®, Operations Services
  • PFAS Assessment and Treatment Technologies
  • Private Sector Services
  • Program Management
  • Renewable Energy Technologies
  • Research and Development
  • Risk Assessment and Resilience Strategies
  • Stormwater Management Systems & Services
  • Utility Advisory Services
  • Wastewater
  • Water Infrastructure Planning & Design
  • Water Resources, and Water Reuse

They have a rich history of major projects, such as the $1.8 billion EchoWater Project, which involved upgrading a facility to meet nutrient limits and recycled water requirements, providing a drought-resistant source of water.

The project illustrates Carollo’s capability in handling large-scale, complex assignments with effective collaboration and community benefits. Their commitment to focusing exclusively on water-related challenges has made them a leader in their field, helping them to develop robust water management strategies that emphasize sustainability and resilience.