Environmental Field Services in San Bernardino County, California | DEFS
Helping Environmental Pros Get the Job Done Right By Environmental Field Services in San Bernardino County—From Consultants to Geologists
Environmental field services in San Bernardino, CA, phone number (800)630-2662
Trusted On-Site Environmental Field Solutions for Projects That Can’t Afford Delays, Compliance Risks, or Guesswork
Every hour matters for engineers and consultants when it comes to site assessments, remediation, and environmental compliance. Deadlines are real. When your reports are due, your site needs answers — not excuses.
At Diversified Environmental Field Services (DEFS), we understand the pressure you face. For over 20 years, we’ve been the go-to field team for Environmental Consulting Firms, Environmental Engineers & Geotechnical Engineers, Geologists and Hydrogeologists across San Bernardino County.
Whether it’s soil sampling in Victorville, groundwater work in Fontana, or remediation in Redlands, DEFS is ready to support your project from the field — fast, clean, and compliant.
Why Some Projects Stall While Others Keep Moving
Let’s be honest — site conditions rarely go according to plan. The permits take longer than expected. The last samples weren’t conclusive. Your subcontractor canceled at the last minute. The site has limited access. The client wants answers… yesterday.
We understand your pain. That’s why we have a solution. We built our team around solving these exact moments — quickly, efficiently, and without compromising safety or compliance.
DEFS shows up at the right time with trained and experienced technicians and accurate tools. We make your fieldwork easier, cleaner, and faster.
Trust DEFS as Your On-Site Environmental Partner in San Bernardino County
Environmental Consulting Firms, Environmental Engineers & Geotechnical Engineers, Geologists and Hydrogeologists who have sites in Rancho Cucamonga, Victorville, or Redlands trust DEFS as their environmental field service provider.
We don’t just drill and sample; we help keep your project clean, compliant, and moving forward.
DEFS Environmental Field Services in San Bernardino County
We proudly support environmental consultants firms throughout the county with accurate sampling, field execution, and on-site troubleshooting.
Environmental Field Services
- Mobile Pilot Testing Units
- 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
- Mobile Pilot Testing Units
- Soil Vapor Extraction (SVE)
- Dual Phase Extraction (DPVE)
- Air Sparging
- System Installation & Maintenance
Key Features of Our Environmental Field Services in San Bernardino County
With decades of experience and a reputation for precision, DEFS is the go-to partner for environmental professionals in San Bernardino County. Consultants, engineers, and geologists count on us for field services they can trust.
Speed That Saves You Time
Our local crews mobilize quickly to keep your project on track — even in urgent situations.
Accuracy That Protects Your Project
We don’t cut corners. Our samples, logs, and documentation stand up to review and regulation.
Tools That Go Anywhere
From rugged terrain to confined indoor spaces, we’ve got equipment and drilling methods to match.
Partnership That Reduces Stress
We coordinate directly with consultants, engineers, and agencies to keep communication clear.
Experience That Solves Problems
Our 20+ years in environmental fieldwork mean we know how to handle what your site throws at us.
Who We Work With
- Environmental Consulting Firms
- Engineering & Construction Companies
- ESA Consultants
- Legal & Regulatory Agencies
If your project depends on what’s happening below the surface — we’re the team you want above it.
Where We Serve in San Bernardino County
We support projects across the county with the highest demand in:
High-Demand Service Areas:
- San Bernardino
- Fontana
- Ontario
- Rancho Cucamonga
- Victorville
- Rialto
- Redlands
- Hesperia
- Chino Hills
- Upland
- Apple Valley
- Colton
- Barstow
- Loma Linda
- Twentynine Palms
Wherever your site is, we’re ready to roll.
DEFS Equipment Range
We operate and rent specialized remediation systems, including:
- High Vacuum Dual Phase Extraction (HVDPE)
- Soil Vapor Extraction (SVE)
- Dual Phase Vapor Extraction (DPVE)
- Mobile Pilot Testing Units
With DEFS, you don’t need to source or haul gear. We bring the system to you fully prepped and technician-ready.
Need a reliable environmrntal field team to meet your deadlines?
Why Choose DEFS for Environmental Field Services in San Bernardino County?
Here’s why professionals choose DEFS again and again:
We’re deeply familiar with San Bernardino’s unique site conditions, permitting processes, and regional agency requirements. That means fewer surprises in your work process and faster approvals.
Trained & experienced, we have proactive technicians. They don’t just collect data; they spot risks, solve problems, and support your project’s success from start to finish.
Our reputation is built on reliability, quality, and real-world results. We’ve been doing this for 20+ years, and it shows in every job we complete.
From drilling and soil gas sampling to remediation system installations, we handle a wide scope of environmental field services. When DEFS is here, you don’t need multiple vendors or follow-ups.
Urgent project? Complex site? Tight timeline? We get it. We’re structured to respond fast, even when your schedule shifts.
Common Questions
FAQs About Environmental Field Services in San Bernardino County, CA
Typical soil, gas, or groundwater sampling can be completed in a single day, depending on site access and conditions.
We support environmental consultants to test for VOCs, petroleum hydrocarbons, heavy metals, and more, depending on your Phase II needs.
Yes. Our field staffs are trained in OSHA standards, safety protocols, and specialized field methods.
Ready to Move Your Project Forward? Let’s Talk
Whether you’re in downtown San Bernardino or a remote desert site, DEFS has the team, tools, and experience to deliver fast, accurate, and dependable environmental field services. Don’t let delays, contamination, or outdated data slow you down.
Call Today: (800)630-2662
Email: diversifiedefs@gmail.com or info@diversifiedefs.com
Serving all of San Bernardino County
Let us handle the fieldwork — so you can focus on the bigger picture.