James Davey and Associates, Inc.

Civil Engineers · Land Surveyors · Water Resources


JDA specializes in flood control and hydrologic studies, design of flood control and storm drainage facilities, preparation of drainage master plans.

Area Drainage Plans

Planning storm drainage infrastructure for urban and rural areas requires the integration of hydrology, land use planning, economics and constructability of the proposal infrastructure.  JDA has prepared many practical and effective area drainage studies.

Hydrology and Hydraulic Studies
JDA has special expertise in hydrology and hydraulics, including rainfall runoff modeling, modeling open channel hydraulics and analysis of hydraulic structures.

Storm Drainage Facilities
From culverts to storm drains to open channels to retention basins, JDA's designers provide constructable projects that meet the design requirements.