Hydrology & Drainage Services Overview

From master plans and analysis, to design and construction administration, since 1985 Entellus’ Hydrology & Drainage Services Department has provided clients throughout the Southwest with innovative hydrology and hydraulic solutions.  These solutions enable our clients to live safely with the powerful forces of water.  Listed below are some areas of expertise.

Drainage Master Planning 

• Hydrologic Watershed Modeling
• Stormwater Feasibility Studies
• Solutions to Existing Stormwater Related Problems

Regulatory Agency Coordination

• Hydraulic & Hydrologic Studies for Support of ADEQ and Army Corps of Engineers 404 Permitting
• NPDES Stormwater Discharge Permits

Flood Control Planning & Design

• Floodplain Delineation
• FEMA Map Revisions

River Geomorphology

• Sediment Transport Studies
• Scour Analysis
• Bridge Scour Analyses

Drainage Infrastructure Design

• Hydraulic Analyses of Bridges
• Culvert Design 
• Surface and Underground Detention Facilities
• Facilities Inventory
• Field Data Collection
• Channel Improvements
• Roadway Drainage Systems
• Erosion and Sediment Control
• Geospatial Technology Services

• Glendale/Peoria Area Drainage Master Plan – FCDMC, Maricopa County, AZ

• Granite Reef Wash Drainage Master Plan, FCDMC, Scottsdale, AZ

• 64^th Street Improvements, McDowell Road to Thomas Road, City of Scottsdale, AZ

• Southern Avenue Storm Drain Improvements, City of Mesa, AZ

• Maryland Lakes Basin Rehabilitation, City of Glendale, AZ

• Flood Insurance Restudies, FEMA Region IX, Flagstaff, AZ

• Wittmann Area Drainage Master Study Update – FCDMC, Maricopa County, AZ

• Luke Wash Zone A Floodplain Delineation Study – FCDMC, Maricopa County, AZ

• Palo Verde Watershed Zone A Floodplain Delineation Study – FCDMC, Maricopa County, AZ

• Pinal County Area Drainage Master Plan – Pinal County, AZ

• East Mesa Drainage Master Plan – Yuma County, AZ

Entellus Philosophy & Approach

Entellus’ goal is to provide services that are both cost-effective and timely through intelligent engineering and proactive environmental solutions.  To achieve our goal, we offer a high level of reliability, technical excellence, and responsiveness.  We are committed to work as a team with our clients to build valued long-term relationships. 

An example of our technical experience is that our staff is trained and has experience in the use of state-of-the-art software programs including;

Entellus has successfully been involved in the analysis, planning, design, and construction administration of public works projects in Arizona.  Entellus offers our clients a complete range of civil engineering services—from design through inspection.  We are experienced in the unique dynamic of maximizing the end user’s satisfaction while keeping a strong focus on our clients’ objective of minimizing costs and time to market.

We accomplish this by focusing on three principals:

• We communicate with the appropriate agencies and ultimate facility owners early in the project.  Then we maintain that critical line of communication with key stakeholders.

• We communicate with the client.  We do this often, openly, and with proactive suggestions.

• We assign Key Personnel with significant experience to provide services to our clients.

Hernan Aristizabal, P.E.
Director of Water Resources
Phone: (602) 244-2566 x127
Fax: (602) 244-8947
e-mail: ahernan@entellus.com