Services We Provide

Hydrology Support Services  LLC (HSS) is a civil
engineering firm with offices in Tempe, Arizona.

We have provided specialized engineering
services to a variety of public and private clients
throughout the Southwest since June,1995.

Our areas of expertise include:
Our multi-discipline experience includes
roadway and parking lot
design, traffic analyses, safety engineering,
pavement design,
systematic review of
construction plans. Our review process
conforms with US Air Force and US Army Corps
of Engineers criteria.
Services
Subdivision Drainage & Improvement Plan
Review
Hydrologic Modeling
Arid Land Hydrology
Bridge Scour & Hydraulics
Alluvial Fan Flood Hazards
Floodplain Delineation
Drainage Design
Flood Magnitude determination
Litigation Support