Water is all we do
and we do it like no one else

In a world of generalists, a water specialist provides great value.
At Carollo, water is all we do.

This unwavering commitment to the water industry has been a hallmark of the company since our inception in 1933. Over the decades, this single-minded focus has allowed us to make some unique commitments to both clients and staff. It has opened the door to the very best talent in the water industry, innovative water solutions, unparalleled client service, and above all, a collaborative and collegial working environment that makes us a great company to work with.

The fact that this message is as relevant today as it was back in the 1930s is a reaffirmation of the core character and values of our company. The pressing challenges of today’s water industry require the concentrated focus provided by a specialist firm — one that is passionate about water and welcomes the obligation to get the most out of this precious resource.

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Carollo News

The Design-Build Institute of America (DBIA) recently awarded the Boynton Beach Ion Exchange Resin Plant and East WTP Improvements project the Best Overall Design-Build Project of the Year and the Water/Wastewater DBIA Florida Region Design-Build Project of the Year.

In 2015, the City of Boynton Beach authorized the project to proceed with the progressive design-build of the East WTP...

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On November 30, 2017, Carollo hosted its second annual One Water LA Holiday Celebration. Leaders from the Los Angeles Bureau of Sanitation, the Los Angeles Department of Water and Power, Mayor Eric Garcetti’s Office, and a variety of One Water LA team members and stakeholders gathered together to celebrate the progress of the One Water LA 2040 Plan and reaffirm the City’s goals of making LA’s...

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Chao-an Chiu with the 2017 Software & Technology Innovation Award

​We would like to congratulate Carollo’s Blue Plan-it® Team, especially Chao-an Chiu (pictured) and Charlie He, for winning the 2017 Software & Technology Innovation Award, given by Corporate Vision Magazine. This is an exceptional achievement, since that Carollo is really not a software company.  Getting the call from London with news of the award was an exciting moment for our Blue Plan-...

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Carollo Engineers has partnered with the San Diego Unified School District and the Biocom Institute Festival of Science and Engineering to promote Science, Technology, Engineering, Arts, and Mathematics (STEAM) education in local schools.

As part of the SDUSD six-week unit of study focusing on water education, Carollo produced this five-minute video of a young Carollo engineer taking us...

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FEATURED PROJECTS

Tampa Bay Water, Florida

Lithia HSRF Aerial

Tampa Bay Water contracted Carollo to serve as the Owner’s Engineer and advisor for the construction of a new 45 million gallon per day (mgd) ozone treatment facility in Hillsborough County, Florida. The new Lithia Hydrogen Sulfide Removal Facility replaces the existing 20-year old facility that has reached the end of the useful life. Construction of the ozone facility began in February 2012 and when completed,  it will use a newer, more reliable process to remove odor and improve the taste...

Lee County Utilities, Florida

Sulfuric acid elimination

The North Lee County RO WTP (NLC WTP) was constructed in response to the need for additional capacity in the Lee County Utilities’ (LCU) northern service area. LCU began operating the NLC WTP in October 2006 and since that time has faced several challenges that have resulted in the inability to meet nameplate capacity. The causes for this include:

  • Changes in feed water quality.
  • Irreversibly fouled RO membranes.
  • Process control deficiencies.
  • ...

South Island Public Service District, South Carolina

South Island RO Treatment Plant

The South Island Public Service District (SIPSD) hired Carollo to provide engineering design and construction services related to the expansion of their reverse osmosis (RO) treatment plant located in Hilton Head, South Carolina. The SIPSD has been operating their RO treatment plant since 2001 and due to recent limitations on use of fresh Floridan Aquifer water imposed by the state, the SIPSD decided to expand the RO plant from 1.5 to 3 mgd, maximizing the use of their deep, geothermal and...

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Industry News

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EPA Plans to Award Nearly $6 Million to Protect, Restore and Maintain the Hea...
Thursday, December 20, 2018 -- EPA News Releases
ATLANTA (December 21, 2018) – Today, the U.S. ..

EPA Provides $47.7 Million Loan to the Metropolitan St. Louis Sewer District ...
Wednesday, December 19, 2018 -- EPA News Releases
ST. LOUIS  — Today, the U.S. Environmental Protection Agency (EPA) announced a $47.7 million Water Infrastructure Finance and Innovation Act (WIFIA) loan to the Metropolitan St. ..

EPA Provides $47.7 Million Loan to Metropolitan St. Louis Sewer District for ...
Wednesday, December 19, 2018 -- EPA News Releases
Environmental News FOR IMMEDIATE RELEASE ..

Trump Administration Unveils Federal Action Plan to Reduce Childhood Lead Exp...
Tuesday, December 18, 2018 -- EPA News Releases
WASHINGTON  — Today, U.S. Environmental Protection Agency (EPA) Acting Administrator Andrew Wheeler, U.S. Housing and Urban Development (HUD) Secretary Ben Carson, and U.S. ..

La Administración Trump revela un plan de acción federal para reducir la expo...
Tuesday, December 18, 2018 -- EPA News Releases
WASHINGTON  — Hoy, Andrew Wheeler, administrador interino de la Agencia de Protección Ambiental de EE. UU. (EPA, por sus siglas en inglés), Ben Carson, secretario de Vivienda y Desarrollo Urbano de los EE. UU. ..

EPA awards Arizona $30.8 million for drinking water and wastewater projects
Monday, December 17, 2018 -- EPA News Releases
SAN FRANCISCO – The U.S. Environmental Protection Agency (EPA) has awarded more than $30.8 million to Arizona for drinking water and wastewater infrastructure improvements. ..

EPA awards Nevada $20.8 million for drinking water and wastewater projects
Monday, December 17, 2018 -- EPA News Releases
SAN FRANCISCO – The U.S. Environmental Protection Agency (EPA) has awarded more than $20.8 million to Nevada for drinking water and wastewater infrastructure improvements. ..

EPA awards California $187 million for drinking water and wastewater projects
Monday, December 17, 2018 -- EPA News Releases
LOS ANGELES – The U.S. Environmental Protection Agency (EPA) has awarded more than $187.3 million to California for drinking water and wastewater infrastructure improvements. ..

Hundreds Cheer New WOTUS Proposal in Tennessee
Monday, December 17, 2018 -- EPA News Releases
NASHVILLE - Four hundred Tennessee farmers, ranchers, small business owners and other stakeholders came to the Wilson County Exposition Center in Lebanon Tennessee on Wednesday morning to hear Acting Environmental Protection Agency (EPA) Administrator Andrew Wheeler highlight the ..

Des Moines Register: EPA seeks clarity on Clean Water Act for farmers, landow...
Thursday, December 13, 2018 -- EPA News Releases
Des Moines Register By: Regional Administrator Jim Gulliford December 13, 2018 ..

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Industry News

Dec 20 EPA Plans to Award Nearly $6 Million to Protect, Restore and Mainta...
ATLANTA (December 21, 2018) – Today, the U.S.
Dec 19 EPA Provides $47.7 Million Loan to the Metropolitan St. Louis Sewer...
ST. LOUIS  — Today, the U.S. Environmental Protection Agency (EPA) announced a $47.7 million Water Infrastructure Finance and Innovation Act (WIFIA) loan to the Metropolitan St.
Dec 19 EPA Provides $47.7 Million Loan to Metropolitan St. Louis Sewer Dis...
Environmental News FOR IMMEDIATE RELEASE