geoPhysics
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.
Water Supply
- Locate high yield water supplies in fractured aquifers using very low frequency (VLF) waves.
- Locate high yield water supplies in sand and gravel aquifers using terrain resistivity.
- Evaluate the geologic nature of wells via down-hole logging, using borehole geophysics
- View well characteristics with down–hole camera
- Map fracture patterns in bedrock aquifers using a combination of methods
Contamination Monitoring and Mapping
- Delineate contaminant plumes using Electro–Magnetic induction (EM)
- Map the path of contaminant flow in fractured media using very low frequency waves (VLF)
- Monitor ground water quality for real–time conductivity conditions using Electro–Magnetic (EM) induction
- Map Aquifer characteristics using a combination of methods
- Map bathymetry and other underwater features using sonar and GPS
Subsurface Geotechnical Mapping
- Locate and delineating tunnels, pipelines, and other buried utilities
- Evaluate and map the thickness and relative density of overburden
- Correlate the depth to water table with direct measurements in monitoring wells
- Evaluate and map the competence of weathered and unweathered bedrock
