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Monday 7am - 5pm Tuesday 7am - 5pm Wednesday 7am - 5pm Thursday 7am - 5pm Friday 7am - 5pm

Caliagua, Inc.

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United States
Fullerton, CA
Caliagua, Inc.

Caliagua, Inc. has relocated since March 01, 2015 to our new address above. All of our Past & Prese Specialize in Water, Sewer, Wasterwater, Stormdrain projects.

General Engineering Contractor; CA Contractors Lic Class A, B, C-4, C-36. Pump Station Facilities, Pipelines, Reservoirs, and Treatment plants.

08/31/2026

Building the future of water infrastructure starts by investing in the people who will lead it.

Developing talent has become a cornerstone for us at Caliagua and our internship program embodies this tradition. Every internship is more than a summer experience— it's an opportunity for students to step onto active job sites, work alongside industry experts, and contribute to projects that make a real impact across California and it's communities.

This year, we welcomed talented students from several universities across Southern California. Each one brought fresh ideas, curiosity, and a passion for solving complex infrastructure challenges. From engineering and project management to construction operations, they're gaining hands-on experience that simply can't be taught in a classroom.

We're equally proud of the mentors across our company who invest their time and knowledge to help develop the next generation of industry leaders. Today's interns are tomorrow's project managers, engineers, superintendents, and innovators—and we're excited to be part of that journey.

Thank you to our incredible interns and the universities that continue to prepare exceptional talent for our industry. The future of water is in good hands.

08/27/2026

Behind every mile of pipe, every treatment facility, and every successful startup is something even more important—our people.

From operators in the cab to crews in the trench, project managers, superintendents, safety professionals, engineers, and support staff, every Caliagua project is built by individuals who take pride in doing the job right. Their skill, dedication, and commitment to safety are what turn complex infrastructure into reliable systems that serve communities for decades.

It's not just about moving dirt or installing pipe—it's about working together, solving challenges, and delivering quality every step of the way.

To our field teams and everyone supporting them behind the scenes: thank you for the craftsmanship, professionalism, and passion you bring to every project. You are the foundation of everything we build.

08/11/2026

We CMU Workin' Santa Ana! 👀

Every fl**ge, bolt, block and valve at the Santa Ana PFAS Treatment Facility represents another step toward cleaner, safer drinking water.

Our crews are steadfast installing the infrastructure that will support advanced PFAS treatment, ensuring every connection is built with precision and ready for long-term performance.

Great projects are built one connection at a time.

08/03/2026

There's something rewarding about seeing a project begin to take shape from above.

This aerial view of the Telemark Booster Station highlights the progress our team is making as key structures continue to come together. Behind every wall, pipe pe*******on, and concrete placement is careful coordination between skilled trades, engineers, and field crews working toward a common goal.

When complete, the booster station will play a vital role in strengthening the region's water distribution system—improving reliability and helping meet the needs of a growing community.

Thank you to everyone on site for the craftsmanship, collaboration, and commitment that keeps this project moving forward.

07/29/2026

🚧 We’re Hiring: Project Manager – Water & Wastewater Construction

Are you an experienced construction professional ready to lead projects that make a lasting impact? We’re looking for a Project Manager to join our team and oversee complex water and wastewater infrastructure projects from preconstruction through completion.

This role will lead project teams, manage schedules and budgets, coordinate subcontractors, and ensure projects are delivered safely, efficiently, and to the highest quality standards.

What We’re Looking For:
✅ 7+ years of construction experience
✅ 5+ years managing heavy civil water/wastewater projects
✅ Experience with pipelines, treatment facilities, pump stations, and infrastructure projects
✅ Strong knowledge of scheduling, estimating, contracts, and project financials
✅ Experience with Primavera P6 and Procore preferred

What We Offer:
💰 $125,000–$150,000 salary (DOE)
📈 Career growth opportunities
🏥 Medical, Dental & Vision Insurance
💪 401(k) Matching
🌴 Paid Time Off & Holidays
🎓 Tuition Assistance

Join a team building critical infrastructure that strengthens communities for generations.

📩 Apply today and take the next step in your construction career

07/28/2026

At the Salinity and Groundwater Enhancement (SAGE) Project in Yucaipa, our crews are progressing through critical excavation and foundation work that will support the next generation of advanced water purification infrastructure.

When complete, the SAGE facility will produce 3.75 million gallons of advanced recycled water per day for groundwater recharge, helping strengthen regional water reliability, improve groundwater quality, and support long-term sustainability for the communities it serves.

Every major water treatment facility starts below ground—with the precision, planning, and craftsmanship that make everything above it possible.

07/22/2026

**We're Hiring: Project Engineer**

Ready to build projects that make a lasting impact?

Caliagua is looking for a motivated **Project Engineer** to join our growing team. If you're passionate about construction, problem-solving, and delivering high-quality infrastructure projects, we'd love to hear from you.

As a Project Engineer, you'll work alongside experienced project managers and field teams on complex water and wastewater infrastructure projects throughout California. This is an excellent opportunity to grow your career while helping build facilities that strengthen communities and protect critical water resources.

**What You'll Do:**
💧 Support project planning and ex*****on
📋 Manage project documentation and submittals
🤝 Coordinate with owners, subcontractors, and vendors
📊 Track schedules, budgets, and project progress
🏗️ Help deliver safe, high-quality projects from start to finish

At Caliagua, you'll join a team that values collaboration, innovation, and excellence while working on some of California's most important water infrastructure projects.

If you're ready to take the next step in your construction career, we want to meet you.

**Apply today or share this opportunity with someone who would be a great fit!

🔗 https://bit.ly/caliaguacareers

07/20/2026

It's Monday, What is Your Team Working On? 🏗️

Here's our latest from the Telemark Booster Station.

This video captures a major leap forward towards the goal line as crews placed rebar and poured the concrete slab that will serve as the forever home for the new booster station. Every detail matters at this stage for water reliability and it's great to see the project continuing to advance safely and on schedule.

A big thank you to everyone on site making progress happen through teamwork, precision, and hard work.

We're looking forward to sharing more updates as this project takes shape.

Share your projects below!

07/14/2026

A major milestone is taking shape at the Lord Ranch Facilities Project.

This view captures the installation of the structural roof framing for the new 1.0-million-gallon welded steel reservoir currently under construction for West Valley Water District in Rialto, California.

With an 80-foot diameter and standing 32 feet tall, this reservoir will play a vital role in strengthening the region's water storage and distribution system. Once complete, it will work alongside a new booster pump station capable of delivering nearly 3,000 gallons per minute into the existing water network, improving reliability and capacity for the growing community.

Projects of this scale require precision engineering, meticulous planning, and seamless coordination between field crews, steel fabricators, crane operators, and project management teams. Watching this structure come together is a testament to the craftsmanship and commitment of everyone involved.

We're proud to partner with West Valley Water District in delivering infrastructure that will provide dependable water service for decades to come.

05/18/2026

Infrastructure Week is about more than concrete and steel — it’s about protecting communities, strengthening California’s future, and building systems that generations will rely on every single day.

Proud to be on the front lines of California’s critical water infrastructure movement, our infrastructure focus has always been delivering quality water. From advanced PFAS treatment facilities that remove harmful “forever chemicals” from drinking water, to large-scale pump stations, wastewater systems, and landmark projects like the Cotino Lagoon development, our teams are helping deliver resilient infrastructure that keeps California moving forward.

Across the Southern California, our Caliagua’s crews are at the forefront of complex projects that demand precision, innovation, and long-term thinking; the Tustin PFAS Treatment System, Orange County Water District improvements, Garfield Well Replacement, are a few examples of our recent work on major municipal water infrastructure upgrades. Every project represents a commitment to cleaner water, environmental stewardship, and stronger communities.

Our project owners work hard to keep infrastructure invisible to the general public. Caliagua builds infrastructure that goal more achievable. Behind every reliable water system, our dedicated team builds, upgrades, and maintains the systems Californians depend on daily.

This Infrastructure Week, we recognize the operators, engineers, tradespeople, project managers, and field crews working across California to deliver critical infrastructure safely and reliably.

Building California’s water future — one project at a time.

Address

1021 S. Placentia Avenue
Fullerton, CA
92831

Opening Hours

Monday	7am - 5pm
Tuesday	7am - 5pm
Wednesday	7am - 5pm
Thursday	7am - 5pm
Friday	7am - 5pm

Telephone

+18664164214

Website

http://caliagua.net/

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