Oxnard has contracted Carollo Engineers to oversee a $46 million upgrade to its Water Resource Recovery Facility, focusing on ...

WALNUT CREEK, Calif., Oct. 11, 2023 /PRNewswire/ -- Carollo Engineers, a leading water engineering and consulting firm in North America, is proud to announce the official launch of two technical ...

WALNUT CREEK, Calif., Aug. 1, 2023 /PRNewswire/ -- Carollo Engineers, the leading water engineering and consulting firm in North America, is proud to announce its receipt of three distinguished ...

Multi-year improvement project modernizes clarifiers and activated sludge tanks to support long-term operational performance.

ELK GROVE, Calif., July 11, 2023 /PRNewswire/ -- Carollo Engineers, North America's premier water engineering and consulting firm, has completed planning, design, and engineering services during ...

John Rehring is a vice president and senior client services manager with Carollo Engineers in Broomfield, Colo. For 30 years, he has focused on water supply and reuse planning and implementation ...