HydroScience Engineers is a full-service civil engineering firm based in California that provides planning, design, and construction phase services for water, wastewater, and recycled water projects and related civil engineering projects.

We are a member of the HydroScience Group providing water resources services throughout the Pacific Rim.  We bring together diverse talent to develop strategic water solutions for our clients.


We provide planning, design, and construction phases services to help our clients take their projects from concept to reality.


HydroScience offers a wide range of engineering services to our clients, including studies, modeling, planning, permitting, detailed design, and construction support for both public and private clients. 



HydroScience has extensive experience in planning and designing water treatment and conveyance facilities. This includes the design of groundwater and surface water treatment plants as well as pump stations, storage tanks, wells, and water distribution and transmission pipelines. We are also experienced in water system master planning and regulatory compliance support.

  • Facilities planning
  • Master planning
  • Watershed analysis
  • Hydraulic modeling
  • Pilot testing
  • Water distribution systems
  • Wells
  • Groundwater treatment

Recycled Water

We have completed recycled water master plans, feasibility studies, and facility plans for recycled water projects, and have designed recycled water treatment facilities, distribution systems, and retrofits. In many of these projects, we helped clients navigate through the entire recycled water process, from regulatory approvals to final construction.

  • Recycled water master plans
  • Recycled water treatment facilities
  • Recycled water distribution systems
  • Retrofits and cross-connection testing
  • Regulatory approval
  • Customer outreach
  • Funding 


We have planned and designed wastewater treatment plants and plant upgrades for private and municipal clients throughout California. We are experts in collection system master planning and the
design of sewer lift stations and pipeline systems ranging in size from gravity sewers to large trunk main and pressure main systems.

  • Wastewater master planning
  • Alternatives analyses
  • Pipeline rehabilitation and replacement
  • Lift station rehabilitation
  • Membrane filtration
  • Headworks
  • Disinfection
  • SCADA upgrades
  • Condition assessment
  • Facility rehabilitation 


For a full list of our planning, design, and construction services, click here.


HydroScience has provided our clients with high-quality, dependable engineering services since 1997.


As a firm that focuses exclusively on water-related projects, HydroScience can offer a depth of experience in the industry that is often unmatched by larger, general civil engineering firms. 

For more information on any of our projects, feel free to contact us.


At HydroScience, the secret to our success is that we hire great people.

Our team is made up of dedicated civil, mechanical, and electrical engineers, licensed water treatment, water distribution and wastewater operators, CAD designers, construction inspectors, and other experts who are collectively focused on a common mission of providing the highest quality work for our clients the first time and every time.


HydroScience is expanding

We're pleased to announce the opening of our fifth HydroScience office, located in Carlsbad, California, and led by Regional Manager Robert J. (Jud) Warren, PE, BCEE. Jud will be leading our efforts to provide water, wastewater, and recycled water engineering services in Southern California. 


Jud has close to 40 years of project delivery experience for clients throughout the Western United States, and most recently in San Diego County. He will be backed by the full resources of our engineers and support staff in our other HydroScience offices. Led by Jud, HydroScience looks forward to implementing our mission of providing the highest quality work for our clients in this new region—the first time and every time.


HydroScience California Offices


10569 Old Placerville Road
Sacramento, CA 95827
T: 916.364.1490
F: 916.364.1491


1800 Sutter Street, Suite 590
Concord, CA 94520
T: 925.332.5221
F: 925.349.4329


741 Allston Way
Berkeley, CA 94710
T: 510.540.7100
F: 510.540.7106


San Jose
1922 The Alameda, Suite 212
San Jose, CA 95126
T: 408.363.3884
F: 408.363.3886


2131 Palomar Airport Rd,
Suite 208
Carlsbad, CA 92011
T: 760.273.5006


HydroScience International Offices 



HydroScience Australia
304/198 Harbour Esplanade
Docklands | Melbourne, VIC 3008, Australia

T: +61 3 9600 3801


HydroScience Asia
019 My Hung, Nguyen Van Linh
District 7, Ho Chi Minh City

T: +84 8 5412 2997