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

OneWaterLA logo

It’s been a good week for One Water LA—the game-changing water planning project Carollo is heading up. The project was the cover story for ENR’s November 7/14 issue, and Water Online also...

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Carollo with Fleet Science Center

On October 29th, Carollo partnered with the Fleet Science Center in San Diego and the San Diego Science Alliance's BE WiSE (Better Education for Women in Science and Engineering) group to promote engineering and science careers to approximately 50 middle-school and high-school girls.

Six of Carollo's young female engineers gave presentations on their careers, education, and what made...

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Water is all we do… and now we do it online. For the past three years, Carollo’s Blue Plan-it™ (BPI) decision support system has offered our engineers and clients a powerful one-of-a-kind tool for planning water and wastewater projects. Like most conventional software tools, the BPI desktop version requires license management, software installation, model setup training, and maintenance...

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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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Before image

The Design-Build Institute of America (DBIA) recently announced its 21st annual Design-Build Project/Team Award winners. Among the recipients was Carollo Engineers, winner of the National Award of Merit in the Water/Wastewater category for the Clifton (Colorado) Water District's Microfiltration/Ultrafiltration Water Treatment Plant Upgrade.

In 2014, the Clifton Water District selected...

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ENR Top Design Firm Cover

Carollo is very proud (and a little bit humbled) to have been selected by Engineering News-Record (ENR) as its 2016 California Design Firm of the Year. This is a huge honor, given not just the spread and size of the California market, but also the impressive list of engineering companies in the state. While we owe much of this honor to the hard work of our employees across the entire company,...

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FEATURED PROJECTS

City of West Sacramento, California

West Sac Bridge District Photo

The Bridge District Water Storage Facility project was required to meet the water demands for the new development of the City of West Sacramento’s Triangle Specific Plan, which envisioned the Bridge District as a dense, pedestrian-friendly, mixed-use area featuring office, residential, and commercial development that would transform the District into an extension of the urban fabric of downtown Sacramento, including extensive riverfront amenities. The facility consists of the major...

Metro Wastewater Reclamation District, Colorado

100-mgd biological nutrient facility

Metro Wastewater Reclamation District’s (MWRD) long-term master plan acknowledged more stringent future discharge criteria for nutrients and recommended complete biological nutrient removal (BNR) at the Robert W. Hite Treatment Facility (RWHTF), prompting conversion of the high purity oxygen activated sludge process in the South Secondary Complex to a BNR air activated sludge process, similar to that currently being operated in the North Secondary Complex. In January 2008, Metro selected...

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.
  • ...

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Industry News

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Storms Boost SWP Allocations to 60%
Wednesday, January 18, 2017 -- Water News
With winter storms continuing to boost reservoirs as well as the Sierra snowpack, the California Department of Water Resources today increased 2017 projected State Water Project allocations to 60% of requested amounts, up from 45% announced in December. DWR said that with more rain and snow in th... ..

Executive Director's Blog: New Administration Brings New Opportunities for So...
Wednesday, January 18, 2017 -- Water News
ACWA Executive Director Timothy Quinn has penned a blog that examines how the change in Administration in Washington, D.C. is a chance to open new dialog on critical water issues as outlined in the California Water Action Plan.  The blog is here . ..

State Water Board Hears Input on Emergency Regulation Next Steps
Wednesday, January 18, 2017 -- Water News
Whether the state should extend the current emergency conservation regulation or let it expire was the focus of a workshop before the State Water Resources Control Board on Jan. 18. Citing dramatically improved conditions, water agency representatives from throughout the state voiced support for ... ..

State Rolls Out New Lead Sampling in Schools Requirement
Tuesday, January 17, 2017 -- Water News
The State Water Resources Control Board today officially launched an effort to encourage K-12 schools in California to have their drinking water tested for lead. As part of the effort, the board’s Division of Drinking Water is issuing amended permits this week that require community water s... ..

New Draft Report from DWR Shows Limited Surface Water Available for Groundwat...
Friday, January 13, 2017 -- Water News
The California Department of Water Resources has released a draft of a highly anticipated report that underscores the need for investment in new water infrastructure and innovative strategies to help bring local groundwater basins into balance under the Sustainable Groundwater Management Act (SGM... ..

DWR to Host Webinar on Using New SGMA Portal to Report GSA Formation Information
Friday, January 13, 2017 -- Water News
The California Department of Water Resources will host a January webinar to demonstrate how local agencies can use its new Sustainable Groundwater Management Act (SGMA) Portal for reporting required information related to GSA formation. This data will inform DWR’s GSA Formation Notification... ..

Brown’s Budget Proposal Contains Funds for Drought and Other Key Water Issues
Wednesday, January 11, 2017 -- Water News
Gov. Jerry Brown on Tuesday released a $177.1 billion spending plan that contains funds for drought, water rights management, continuation of the statewide conservation program Save Our Water and other key water programs. read more ..

State Reports 2016 California Water Action Plan Achievements and Asks Public ...
Tuesday, January 10, 2017 -- Water News
Three state agencies today released a report highlighting statewide accomplishments in 2016 in implementing the California Water Action Plan , from funding Proposition 1 projects for water supply resiliency to coordinating public-private partnerships for ecological restoration.   read more ..

Major Storms Bring Flooding, Record Rainfall
Tuesday, January 10, 2017 -- Water News
(Jan. 10 update)  The most severe of a series of major storms swept across northern and central California Saturday and Sunday, resulting in floods, reservoir releases and hopes of drought relief, according to a number of news and official sources. The storm underway today is expected to bri... ..

Free California Drinking Water Workshops Offered by SWRCB and RCAC
Friday, January 6, 2017 -- Water News
The State Water Resources Control Board and the Rural Community Assistance Corporation are offering free California Drinking Water Workshops in the classroom and online, January through June 2017.   The goal of these workshops is to provide information to help small, rural water systems deli... ..

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Industry News

Jan 18 Storms Boost SWP Allocations to 60%
With winter storms continuing to boost reservoirs as well as the Sierra snowpack, the California Department of Water Resources today increased 2017 projected State Water Project allocations to 60% of requested amounts, up from 45% announced in Dec...
Jan 18 Executive Director's Blog: New Administration Brings New Opportunit...
ACWA Executive Director Timothy Quinn has penned a blog that examines how the change in Administration in Washington, D.C. is a chance to open new dialog on critical water issues as outlined in the California Water Action Plan.  The blog is h...
Jan 18 State Water Board Hears Input on Emergency Regulation Next Steps
Whether the state should extend the current emergency conservation regulation or let it expire was the focus of a workshop before the State Water Resources Control Board on Jan. 18. Citing dramatically improved conditions, water agency representat...