Water Resources Engineering Services

NexCiv provides water resources engineering services focused on hydrologic and hydraulic analysis, drainage design, and flood risk mitigation to support resilient infrastructure performance.

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Explore Our Services

We offer a range of services to meet your project needs.

    • Watershed Studies

    • Watershed Delineation (Pre & Post Development)

    • Runoff Modeling

    • Drainage Analysis

    • Drainage Planning

    • Drainage Facility Design

    • Third Party Reviews

    • Hydrologic Soil Groups (HSG) & Land Use Coefficients

    • Time of Concentration & NOAA IDF

    • Peak Flow Analysis/Determination (Rational, SSA, Hydraflow, Regression, HEC-HMS, HEC-RAS)

    • Flow depth, velocity, shear stress evaluation

    • Floodplain and Freeboard Analysis

    • Culvert & CBC Capacity Checks, Sizing & Replacement Decisions

    • Trunk Storm System Modeling & Capacity Analysis

    • FEMA Coordination Support

    • Industrial Detention & Containment Ponds (single/multi-cell)

    • Freshwater & Recycling Containment Design

    • Sumps, Interior Slopes, Freeboard

    • Leak Detection Systems (composite geomembrane liners, geonet, anchor trenches) HDPE LLDPE PVC

    • Rub Sheeting Design & Details (Vents & Ladders)

    • Geomembrane Design & Analysis

    • ALR (Allowable Leakage Rate)

    • C-147 Registration Packages Support

    • Ditch Systems & Riprap Rundowns

    • Machine Control File Deliverables for Construction

    • Culverts & CBC Structural Design

    • Headwalls, Wingwalls & Guardrail Tie-Ins

    • Low-Water Crossings (Overtoppable Roadway Slabs)

    • Stormwater Drainage

    • Drainage Plans

    • Erosion Control

    • Post-Disaster Inspections & Documentation

    • Design of Recovery Works for Roads, Culverts, Bridges & Low-Water Crossings

    • Waterline Design (PVC & DI)

    • Appurtenances & Hydrant Spacing

    • Utility Conflict Avoidance

    • Trench Details & Plan/Profile Sheets

    • Abutment and pier scour evaluation (FHWA HEC-18 methodology)

    • Contraction and long-term degradation analysis

    • Gabion basket protection design

    • Riprap design and sizing (HEC-23 methods)

    • Toe protection and embedment design

    • Energy dissipation systems

    • Channel armoring solutions

    • Erosion risk assessment for transportation infrastructure

    • Drainage design per NMDOT and TxDOT standards

    • Bridge hydraulic analysis

    • Culvert sizing and hydraulic grade line analysis

    • Roadway drainage systems

    • Open channel and storm conveyance design

    • Compliance with state Drainage Design Manuals

    • Hydraulic & scour technical memoranda

    • Design reports for agency review

    • Construction plan preparation (PDF + CAD)

    • Engineer’s Opinion of Probable Construction Cost

    • Regulatory compliance documentation

  • Responsive, reliable, and genuinely passionate about what we do.

    Teodoro Cano Mota, P.E., Founder

  • "A professional team that delivers on their promises."

    Former Client

  • "Their attention to detail and commitment to quality truly stood out. We’ve already recommended them to others."

    Former Client