Environmental Field Services in San Diego County, California | DEFS
On-Site, On-Time, On-Target – Environmental Field Experts You Can Rely On In San Diego. Get the best Environmental Field Services in San Diego County.
Environmental field services in San Diego, CA, phone number (800)630-2662
Looking for reliable, timely, and cost-effective environmental field services in San Diego County? Trust the experts at Diversified Environmental Field Services (DEFS), the specialists in drilling, soil/ soil gas/ groundwater sampling, pilot testing and remedial equipment rental and operating services. We partner with engineers and environmental consultants to deliver precise fieldwork and remediation services, helping you stay compliant, on schedule, and within budget.
DEFS turnkey environmental field services eliminate guesswork and bring clarity to your project. Our trained field technicians operate the latest tools and equipment, and we show up ready to deliver—with professionalism and precision.
Unexpected project setbacks can lead to costly delays and increased expenses
Small oversights can become expensive in environmental site work, and professionals in San Diego understand this all too well.
- Site access is limited due to urban congestion or structures.
- Unclear subsurface conditions slow down planning.
- Delays in sampling or permitting threaten your timeline.
- Inexperienced crews don’t follow compliance procedures, risking violations.
- Environmental consultants struggle to coordinate multiple field vendors.
- Equipment issues cause downtime during time-sensitive remediation efforts.
- You can’t find skilled, responsive field crews for last-minute work.
Sounds familiar to you? Struggling with all or one issue? Don’t frustrate—you’re not stuck. DEFS solves these problems with precision environmental field services designed to move your project forward.
No Delays. No Complications. When You Have Environmental Field Specialists
Deadlines are tight. Regulatory requirements are strict. Field conditions can be unpredictable. And one misstep can delay everything.
Too many risks. Too many problems. That’s why experienced professionals turn to DEFS.
We are the preferred subcontractor for environmental consultants, Environmental Engineers, Geologists & Hydrogeologists and government projects throughout San Diego County. From drilling, soil sampling and groundwater testing to pilot testing and remedial equipment rental and operating services, we help you meet your project goals without delays.
What We Offer in San Diego County
We provide full-scale environmental field services in San Diego that support environmental consultants, Environmental Engineers, Geologists and Hydrogeologists across a wide range of project types, including Phase II/III Environmental Site Assessments, Brownfield Redevelopment, and remediation programs.
Environmental Field Services
- Soil Sampling
- Groundwater Sampling
- Soil Gas Sampling
- Methane Gas Testing
- Sub-Slab Vapor Pin Installation
Drilling Services
- Direct Push Drilling (Geoprobe 7720DT & 5400)
- Hollow Stem Auger Drilling
- Limited Access Drilling
Remediation Services
- Soil Vapor Extraction (SVE)
- Dual Phase Extraction (DPVE)
- Air Sparging
- System Installation & Maintenance
Compliance, cleanup, or construction? DEFS brings clarity and confidence to your field services needs.
Key Features of Our Environmental Field Services in San Diego County
Expert Technicians
We have trained field staff, skilled in advanced drilling and sampling techniques. From communication to services, they are a trusted partner for your project.
Quick Mobilization
We understand your timelines. Our crews are ready to deploy throughout San Diego County, often within 24–48 hours.
Advanced Equipment
We operate and maintain remediation and drilling equipment expertly. We can handle any kind of site conditions.
Regulatory-Ready Documentation
We don’t just collect data—we deliver complete and organized field reports that meet state and federal compliance standards.
Smooth Project Integration
We function as a true extension of your team, ensuring your environmental staffs and engineers stay in control.
Who We Work With
- Environmental Consulting Firms
- Engineering Companies
- Professional geologists
- ESA Consultants
- Legal & Regulatory Agencies
At DEFS, every client and project matters. With skilled pros, top equipment, and on-time service, we help move your project forward—successfully.
Where We Serve in San Diego County
Our Environmental Field Services are in higher demand in the following San Diego County locations, where urban growth and environmental sensitivity converge:
High-Demand Service Areas:
- San Diego
- Chula Vista
- Oceanside
- Escondido
- Carlsbad
- El Cajon
- Vista
- National City
- Encinitas
- Poway
- San Marcos
- Lemon Grove
- Coronado
- Imperial Beach
- Santee
- La Mesa
- Fallbrook
- Bonita
- Ramona
- Del Mar
Need service somewhere else in San Diego County? We go where you need us.
How DEFS Works with You
Site Evaluation
Sample Collection
Remediation Deployment
Field Reporting & Liaison
Need a reliable environmrntal field team to meet your deadlines?
Why Choose DEFS?
DEFS isn’t just another field crew. We have over two decades of experience in solving environmental field problems of San Diego residents, saving them projects from delays and money from waste. We’re your strategic partner in environmental compliance and project success.
Here’s why environmental consultant firms across San Diego County choose us:
Our team brings hands-on experience from hundreds of successful projects.
From DP rigs to remediation units, our tools are job-ready and expertly maintained.
From drilling and sampling to field reports, we handle every detail so you can focus on your priorities.
We stay up to date with California regulations and provide compliant, accurate documentation.
We mobilize fast, communicate clearly, and support your deadlines.
Common Questions
FAQs About Environmental Field Services in San Diego, CA
We aim to mobilize crews within 24–48 hours, depending on project scope and location.
Absolutely. Our limited-access drilling rigs and trained crews specialize in navigating constrained environments.
Yes. All technicians are fully trained and insured for environmental drilling, remediation, and sampling services. We have HAZWOPER-trained and OSHA-compliant technicians.
That’s our specialty. We act as a subcontractor and integrate and work with your professional team without any issue.
Contact Us For Getting Your Project Moving
Let’s talk about your project in San Diego County. Whether you need environmental drilling, sampling, or full remediation support—DEFS is your go-to environmental field partner.
Call Today: (800)630-2662
Email: diversifiedefs@gmail.com or info@diversifiedefs.com
Request a Quote — we’ll respond within 24 hours.