Engineering Excellence

Community Infrastructure Investment Group Inc delivers world-class design-build solutions for complex infrastructure projects across residential, commercial, and industrial sectors.

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Core Capabilities

CIIG delivers comprehensive design-build solutions across multiple sectors, combining decades of engineering expertise with innovative construction methodologies to create lasting infrastructure.

Infrastructure Development

Comprehensive design-build services for residential and commercial infrastructure projects, utilizing advanced materials and proven construction methodologies.

  • Advanced structural systems
  • Sustainable design integration
  • Accelerated project delivery
  • Regulatory compliance assurance

Wastewater Treatment Systems

Engineered Wastewater Treatment solutions for diverse applications, featuring cutting-edge biological treatment processes and automated control systems.

  • Advanced biological treatment
  • Intelligent automation systems
  • Environmental compliance
  • Comprehensive maintenance programs

Engineering Consulting

Strategic engineering consultation for complex infrastructure challenges, providing technical expertise and regulatory guidance throughout project lifecycles.

  • Comprehensive feasibility analysis
  • Regulatory compliance strategy
  • Technical due diligence
  • Performance optimization

Advanced WWTP Technology

Our integrated Wastewater Treatment solutions deliver superior performance through innovative design and proven technology.

Single Pool Integration

Compact design combining biological treatment and clarification in a single integrated system, reducing footprint and operational complexity.

Energy Efficient Operation

Low dissolved oxygen operation (~0.3 mg/L) enables simultaneous nitrification-denitrification while significantly reducing energy consumption.

High Performance MLSS

Advanced biomass management achieving high mixed liquor suspended solids concentrations for superior treatment efficiency and smaller reactor volumes.

Integrated Clarification

Built-in rapid clarification zone eliminates need for separate clarifiers, reducing overall system footprint and capital costs.

Continuous Operation

Designed for non-stop operation with maintenance capabilities during runtime, ensuring maximum uptime and operational reliability.

Intelligent Control Systems

Advanced automation and monitoring systems optimize performance parameters and provide real-time operational insights for maximum efficiency.

Integrated Treatment Process

Our streamlined process flow maximizes treatment efficiency while minimizing operational complexity and energy consumption.

Raw Influent

Incoming wastewater

Biological Treatment

Single pool SND process

Integrated Clarification

Built-in separation

Clean Effluent

Treated discharge

Featured Projects

Exemplary implementations of our integrated design-build methodology, showcasing technical excellence and innovative solutions across diverse infrastructure challenges.

Los Rancho MHC WWTP

Los Rancho MHC WWTP

Mobile Home Community

Complete Wastewater Treatment solution for mobile home community featuring advanced biological treatment processes and intelligent automation systems for optimal performance.

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Morgan Hill RV Campground WWTP

Morgan Hill RV Campground WWTP

Recreational Vehicle Facility

Efficient treatment system engineered for seasonal flow variations and recreational vehicle facilities, incorporating flexible design parameters and automated control systems.

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Partner with Excellence

Transform your vision into reality with California's premier infrastructure and industrial solutions provider. Our expertise spans decades of successful project delivery.

Begin Consultation (424) 305-9626