HAI has developed contoured depth information presented using vivid colors varying from red in the shallowest water to dark blue in the deepest holes and basins. High-resolution black-and-white aerial photographs provide the backdrop for each lake map.Welcome to
Hillier & Associates
Hillier & Associates (HAI) is a consulting and design firm offering services in the Earth Sciences, Engineering, and Design fields, with a particular emphasis on the management and protection of water quality, source-water exploration and development, and environmental assessments and remediation. Our service categories include Water Resources, Wastewater, Stormwater, Environmental Assessment, Geophysics, Management and Permitting, and Geographic Information Systems.
Providing clients with timely, cost-effective, and dependable service is fundamental to our corporate philosophy, ethic of customer service, and day-to-day operation. At HAI, we understand that the success of our client's business depends upon the timeliness and responsiveness of our services in every project.
Project Highlights
 |
Sinkhole Subsurface Geotechnical Mapping |  |
Wastewater Lagoon Groundwater Monitoring |
 |
Watershed Assessment |  |
Helen Thomas School Water Supply |
 |
 |
 |
 |
 |
 |
 |