Drainage & Flood Control

Water Finds a Way.
We Make It Work for You.

Flooding problems are rarely simple. Upstream development changes runoff patterns. Undersized culverts create bottlenecks. Channels erode and carry debris. Fix one piece wrong, and you push the problem somewhere else.

We model the whole system to understand where water goes and why. Then we design solutions that reduce flood risk without just moving it downstream. That might mean upsizing pipes, restoring floodplains, or adding detention basins. Whatever works for your situation and budget.

The goal is straightforward: keep floodwater away from homes, roads, and infrastructure while working with natural drainage patterns instead of fighting them.

Flood risk assessments and vulnerability analysis
Stormwater system evaluation and capacity modeling
Design of drainage infrastructure and flood control systems
Green infrastructure and nature-based flood mitigation
Emergency response planning and resiliency strategies
Capital improvement planning and prioritization
Public engagement and stakeholder coordination

We don't start with a standard solution and fit your project to it. We start with your site: the hydrology, constraints, budget, and regulations you need to meet.

Our designs are based on modeling what's actually happening on the ground. We test scenarios, identify problems before construction starts, and adjust until the solution works. And we design for what's coming, not just what's happening now—bigger storms, more development, changing rainfall patterns. That means fewer change orders and infrastructure that holds up over time.

Throughout, we keep you informed. No jargon-heavy reports that sit on a shelf. Clear deliverables that help you make decisions, secure funding, and move to construction.

Hydrologic and hydraulic modeling (1D/2D)
FEMA floodplain mapping and compliance
Erosion and sediment control design
Low-impact development (LID) and green infrastructure
Climate resilience and future conditions analysis

Turning Water Challenges Into Lasting Solutions

Access to safe drinking water is the cornerstone of a thriving community. At Ardurra, we combine technical excellence with innovative strategies to help clients navigate the complexities of water supply and treatment: from aging infrastructure and emerging contaminants (including PFAS and microplastic), lead and copper rules to climate change and evolving regulations. With proven expertise and a forward-thinking approach, we transform challenges into resilient, sustainable solutions that protect public health, foster economic prosperity, and ensure reliable water supplies for generations to come.

Key Services

Water Treatment Plant Planning, Design, and Optimization
Source Water Assessment and Development
Potable Water Supply System Master Planning
Water Distribution Network Design and Analysis
Water Quality Monitoring and Compliance
Treatment Process Upgrades and Capacity Expansion
Pumping and Storage System Design
SCADA and Automation Integration for Water Systems
Emergency Response and Resiliency Planning
Feasibility Studies and Cost-Benefit Analysis

How We Deliver

We guide you through every stage—from conceptual design and master planning to construction and commissioning. Our responsive approach means we quickly understand your unique challenges and deliver innovative, cost-effective solutions tailored to your community's needs. You'll work directly with a multidisciplinary team that brings together the right expertise for your project, without unnecessary layers slowing decisions or progress. The result: seamless execution, timely delivery, and drinking water systems that keep your community safe and thriving.

Specialized Technical Expertise

Conventional and Advanced Water Treatment Processes (e.g., coagulation, flocculation, filtration, disinfection)
Membrane Filtration (UF, MF, RO) Design and Operation
Chemical Feed and Optimization for Treatment Efficiency
Water Quality Modeling and Risk Assessment
Corrosion Control and Distribution System Water Quality
Source Water Protection and Watershed Management
Regulatory Compliance and Drinking Water Standards (e.g., Safe Drinking Water Act, PFAS, CECs)
Process Simulation and Hydraulic Modeling
Water Reuse and Integration with Potable Supply (NPR, IPR, DPR)
Energy Efficiency and Sustainability in Water Treatment
Rehabilitation, Renewal, and Modernization (RRM) of Treatment Works

Western North Ridge Drainage Improvement Project

Raleigh, NC

283-acre drainage system upgraded to 10-year level of service in Raleigh

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