Spilled drum and stained ground at a California site under environmental assessment

Geological & Hydrological Services

Know what’s beneath the surface before it changes what happens above it. Soar evaluates soil, geology, groundwater, drainage, and potential contamination to help you understand site conditions early⁠—before they become costly surprises during design, excavation, remediation, or construction.

Discuss your project → Where we look first
Phase I Environmental Site Assessment Phase II Subsurface investigation Initial consultations are always complimentary Scroll

Knowing whereto bore starts withknowing why.

Borings can answer important questions⁠—but only when they’re focused on the right conditions, risks, and project needs. Soar starts with what the site is already telling us so deeper investigation is targeted, useful, and worth the investment.

  • Available site information
  • Surface conditions
  • Soil characteristics
  • Potential contaminants
  • Drainage patterns
  • Surrounding waterways
  • Geological conditions
  • Groundwater depth and flow
  • Seasonal groundwater variation
  • Soil-to-bedrock interfaces
  • Hydrogeological gradients
  • Potential contaminant migration

The goal isn’t simply more borings. It’s better answers from the right investigation at the right time⁠—before subsurface conditions start making decisions for your project.

From observationto investigation.

Good site investigation starts by asking the right questions⁠—not by collecting more data than the project needs.

Soar begins with what can be observed, researched, sampled, and tested at the surface. Those findings help determine whether deeper investigation is warranted, where it should focus, and what information will actually help you make the next decision.

When additional work is needed, we connect surface conditions, soil chemistry, groundwater data, and subsurface geology into one clear picture of the site⁠—so you understand not just what we found, but what it means for your project.

Investigate intelligently. Spend wisely. Make better decisions earlier.

SOAR technician driving a hand auger for soil samples beside Highway 99, Fresno
Soil sampling on the Highway 99 ADL survey, Fresno. Most of what decides a boring plan is collected standing on the ground.

Observe. Sample.Test. Understand.

The right investigation gives you more than data⁠—it tells you what the site conditions mean for your next decision. Soar combines field observations, soil and groundwater sampling, testing, and geological and hydrological analysis to help you understand risk before drilling, excavation, remediation, or construction begins.

  • Geological Surveys
  • Soil Characterization & Sampling
  • Chemical Analysis
  • Topographic & Site Assessments
  • Surface-Water & Runoff Evaluation
  • Phase I Environmental Site Assessments (ESAs)
  • Phase II Environmental Site Assessments
  • Environmental Due Diligence
  • Third-Party Peer Review
  • Subsoil Investigations
  • Groundwater Investigations
  • Hydrogeological Monitoring
  • Groundwater Depth & Flow Analysis
  • Seasonal Groundwater Evaluation
  • Soil/Bedrock Interface Analysis
  • Hazardous Materials Identification
  • Contamination Sampling & Monitoring
  • Plume Evaluation
  • Ground Remediation
  • Frac-Out Contingency Plans

Valued Partners

“The Soar Environmental team can be trusted to complete all your environmental studies and mitigation. The team will perform your studies, review your project and create a mitigation plan that allows you to begin construction with the confidence that all your environmental compliance and mitigation has been handled in a professional manner.”
Steve MaciasCivil Engineer, Sequoia Consulting
“We have used Soar to assist compliance with California environmental regulations and our experience was very good. Clear and helpful communication, always keeping us informed with the work activities and overall project progress.”
Michel MenezesConvergent Energy + Power
“Soar’s fees are very reasonable considering the level of service, dedication and drive one receives as a client. We will certainly look to Soar again in the future for our environmental consulting needs.”
Loren RoyCEO, M and EM Homes LLC
“The Chukchansi Indian Housing Authority did work with Soar Environmental Consulting and we were very satisfied with the work they completed for CIHA.”
Lorita SilvasPicayune Rancheria Housing Director

Site investigation across California

Before the first bore.

All projects →
SOAR technician collecting soil samples beside Highway 99, Fresno Soil sampling and ADL survey, Highway 99, FresnoView details → Site undergoing Phase I environmental assessment Phase I and Phase II Environmental Site Assessments, Central ValleyView details → Stormwater runoff channel Surface-water, runoff and drainage evaluation for corridor projectsView details → Collecting and logging a soil sample Groundwater and hydrogeological monitoring programsView details →

One integrated team

Part of the full service line.

Geological and hydrogeological services is one of six integrated environmental services, so one coordinated team supports your project from first site visit through remediation.

CEQA and NEPA environmental planningPlanningCEQA & NEPA Biological resources consultingResourcesBiological Resources Environmental permittingApprovalsEnvironmental Permitting Soil sampling for site assessmentSubsurfaceHazardous Materials Archaeological consultingResourcesArchaeological Consulting

Know the site. Know the risk.

Don’t let subsurfaceconditions makethe decision for you.

Whether you’re evaluating a property, investigating contamination, planning excavation, or trying to understand groundwater and soil conditions, the earlier you know what’s beneath the surface, the more control you have over what comes next.

Tell us what you know, what you’re concerned about, and where the project stands. Soar will help you determine the right level of investigation, focus the work where it matters most, and turn the findings into clear next steps.

Complete the form and let’s discuss your project.

Discuss your project →

Pasadena · Sacramento · Fresno · Bakersfield
Initial consultations are always complimentary.