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28 Years
experience
Trusted Civil Engineering Solutions for Water Projects
Hydroscience Engineers has been delivering specialized civil engineering solutions since 1998, focusing on water, wastewater, and recycled water infrastructure. Our team combines decades of technical expertise with hands-on project experience to provide comprehensive planning, design, and construction-phase services for public and private clients. We specialize in complex systems including treatment plants, pipeline networks, and regulatory compliance strategies. With offices in Northern California and Australia, we maintain long-term client relationships through collaborative problem-solving and innovative engineering approaches.

Our principals bring 31-42 years of industry experience, ensuring projects meet technical, environmental, and operational requirements while addressing evolving regulatory standards. We prioritize client education throughout project lifecycles, from initial feasibility studies to final system commissioning.
Services
Water Treatment Design Wastewater System Planning Pipeline Rehabilitation Hydraulic Modeling Regulatory Compliance Facility Upgrades Master Planning Pilot Testing SCADA Integration Arsenic Filtration
Details
  • Year established: 1998
Highlights and features
  • We offer 20+ years of specialized experience in water infrastructure engineering
  • Our team includes licensed professionals with 30-42 years of industry expertise
  • We provide full lifecycle project support from planning to construction completion
  • Our collaborative approach ensures client needs drive every engineering decision
  • We maintain technical excellence through continuous professional development
Services
Water Treatment Design
We design water treatment facilities including groundwater and surface water systems. Our engineers create customized solutions for pump stations, storage tanks, and distribution networks. Projects incorporate regulatory compliance, hydraulic efficiency, and long-term operational requirements while meeting evolving environmental standards.
Wastewater System Planning
Our wastewater expertise includes treatment plant upgrades and collection system master planning. We design sewer lift stations, pipeline networks, and rehabilitation solutions that address capacity, regulatory compliance, and infrastructure longevity for municipal clients.
Pipeline Rehabilitation
We implement trenchless repair techniques and traditional rehabilitation methods for critical pipeline infrastructure. Our solutions address corrosion, structural integrity, and capacity improvements while minimizing environmental impact and service disruptions.
Hydraulic Modeling
We create calibrated hydraulic models for water and wastewater systems using industry-leading software. These models support capacity analysis, demand forecasting, and capital improvement planning while incorporating real-time data and future development scenarios.
Master Planning
Our master plans address system deficiencies and future capacity needs through comprehensive assessments. We develop phased capital improvement programs that balance technical requirements with budget constraints while ensuring regulatory compliance and operational efficiency.
People
Curtis Lam
President
Curtis leads HydroScience with 31 years of water infrastructure expertise. He specializes in recycled water systems and potable distribution networks, overseeing project delivery from planning through construction completion while maintaining Berkeley office operations.
Bill Slenter
Principal
Bill manages Sacramento operations with 33 years of water project experience. He specializes in regulatory permitting and funding strategies, providing technical leadership for complex water and wastewater system designs that meet environmental compliance requirements.
Mary Hoang
Principal
Mary directs San Jose operations with 35 years of water utility management experience. Her expertise includes drinking water regulations and distribution system optimization, ensuring client projects meet current standards while planning for future water resource challenges.
Sim Blake
Principal
Sim co-founded HydroScience with 35+ years of water treatment expertise. He specializes in facility design for water tanks, wells, and pump stations, providing technical oversight for Sacramento-based projects while maintaining industry innovation standards.
George Harris
Principal
George co-founded HydroScience with 42 years of wastewater treatment experience. He leads Australia operations, specializing in industrial wastewater reclamation and pilot studies while ensuring technical excellence across all engineering deliverables.
Questions
What engineering services do you specialize in?
We specialize in civil engineering for water, wastewater, and recycled water infrastructure including treatment plants, pipeline systems, and regulatory compliance solutions.
Which geographic areas do you serve?
We operate from Northern California offices and serve clients across California, with additional project capabilities through our Australia office.
How do you handle regulatory compliance?
Our team includes experts in environmental regulations who ensure all projects meet current standards through comprehensive permitting strategies and compliance documentation.
What project delivery methods do you use?
We support traditional design-bid-build, design-build, and progressive design-build delivery methods while maintaining technical quality across all project types.
Can you assist with funding applications?
Yes, our principals have extensive experience preparing grant applications and funding proposals for water infrastructure improvement projects.
Do you provide construction phase support?
We offer full construction phase services including site visits, submittal reviews, and coordination with contractors to ensure design intent is maintained during implementation.