Diaz Engineering, LLC

Engineering Solutions, Together

Website

About the firm

Diaz Engineering, LLC is a Texas-based civil engineering and consulting firm specializing in water resources, flood damage reduction, and program/project management. Serving primarily government agencies, Diaz Engineering delivers tailored solutions across the Houston region-from drainage master plans and hydrologic/hydraulic modeling to infrastructure design and construction oversight. With 30+ years of combined team expertise, Diaz Engineering has contributed to more than 60 flood damage reduction projects, managing over $500 million in project value and securing $295 million in funding reimbursements.

Team
Small
Firm type
Civil Engineering · Water / Wastewater Engineering · Environmental Engineering · Transportation Engineering

Credentials

Texas Board of Professional Engineers and Surveyors - Registration No. F-23756

People

Imelda DiazPresident & CEO

Capabilities

Planning Services

Service website

Strategic planning backed by hydrology expertise to mitigate flood risks and optimize drainage systems.

  • Drainage Master Plans
  • Flood Risk Studies
  • Impacts and Mitigation Analysis
  • Hydrology / Hydraulic Modeling

Management and Administrative Services

Service website

Precision coordination and expertise to keep projects on track, within budget, and aligned with client goals.

  • Program Management Services
  • Project Management Services
  • Staff Augmentation
  • Land Acquisition Services
  • Utility Coordination
  • Construction Permitting
  • Platting Services
  • Grant Procurement and Management Services
  • Public Engagement

Infrastructure Design Services

Service website

Sustainable and efficient infrastructure designs tailored to enhance connectivity, manage stormwater, and protect communities.

  • Stormwater Detention Design
  • Open Channel Drainage Systems
  • Concrete Channel Design
  • Roadway Design
  • Bicycle/Pedestrian Trails Design
  • Storm Sewer Systems
  • Stormwater Pollution Prevention Plans
  • Pedestrian Bridge Design
  • Erosion Control Planning

Construction and Inspection Services

Service website

Meticulous oversight and coordination ensuring every detail is documented, every change managed, and every standard met.

  • Construction Oversight and Inspection
  • Contractor Activity Documentation
  • Inspector's Daily Report (IDR) Preparation
  • Change-Order Management

Flood Control Systems Design

Service website

Comprehensive flood damage reduction solutions including channel and detention basin design, backed by over 20 years of expertise.

  • Channel Design
    • Earthen Channels
    • Concrete-Lined Channels
    • Earthen Channels with Retaining Walls
  • Stormwater Detention Basins
    • Wet Bottom Basins
    • Dry Bottom Basins
  • Hydrologic & Hydraulic Modeling/Analysis
  • Capacity & Slope Stability Analysis
  • Erosion & Sediment Control Features
  • Hydraulic Structures Design
  • Constructability Reviews
  • Operations & Maintenance Manuals

Maintenance Services

Service website

Comprehensive assessments, targeted repairs, and long-term planning to ensure channels and infrastructure assets remain functional, safe, and resilient.

  • Condition Assessments
    • Earthen Channels
    • Concrete-Lined Channels
    • Earthen Channels with Retaining Walls
  • Desilting & Repairs
    • Wet Bottom Basins
    • Dry Bottom Basins
  • Asset Management & Planning

    Develop a phased plan for repairs and future maintenance.

  • Disaster Recovery

    Conduct assessments, coordinate emergency repairs and debris removal, and manage grant applications and reimbursement submittals.

Industries

Government · Water Resources · Stormwater & Flood Control · Infrastructure · Transportation

Projects

Brays

Houston, TX · Stormwater & Flood Control · Client: Harris County Flood Control District

Project details

Mitigating severe flood risks in Brays Bayou while coordinating one of HCFCD's largest infrastructure projects with federal and local agencies.

Alignment with SJRA

Texas · Water Resources · Client: San Jacinto River Authority

Project details

Enhancing SJRA's raw water infrastructure through advanced hydraulic design, erosion control, and strategic stakeholder coordination.