DOT-COMPLIANT · ON-SITE EMPLOYER DRUG TESTING
Durango, Colorado Mobile Drug & Alcohol Testing
San Juan Basin Oil & Gas · DRO Airport FAA · US-160 FMCSA · Southwest Colorado — Mobile collections in the Four Corners energy region.
Durango is the commercial center for Southwest Colorado's San Juan Basin — a major natural gas production area spanning Colorado, New Mexico, Utah, and Arizona. BP, Harvest Natural Resources, and numerous E&P operators base Southwest Colorado operations in La Plata County. Durango-La Plata County Airport (DRO) serves growing commercial and charter aviation. US-160 and US-550 are active CDL freight corridors connecting Colorado to New Mexico and Utah. OnSite Employer Testing dispatches throughout La Plata and Montezuma counties, serving energy field camps, airport operations, and regional freight carriers.
OnSite Employer Testing coordinates mobile drug testing collections at your Durango-area facility, yard, terminal, or job site. We do not operate a clinic. Review how it works or browse all locations we serve across the region.
Four Corners Energy Hub and Southwest Colorado Services Center
Durango is the commercial center for Southwest Colorado's San Juan Basin — a major natural gas production area spanning Colorado, New Mexico, Utah, and Arizona. BP, Harvest Natural Resources, and numerous E&P operators base Southwest Colorado operations in La Plata County. Durango-La Plata County Airport (DRO) serves growing commercial and charter aviation. US-160 and US-550 are active CDL freight corridors connecting Colorado to New Mexico and Utah. OnSite Employer Testing dispatches throughout La Plata and Montezuma counties, serving energy field camps, airport operations, and regional freight carriers.
PHMSA 49 CFR Part 199 governs the San Juan Basin pipeline and gathering network. FAA 14 CFR Part 120 applies to DRO safety-sensitive aviation employees. FMCSA 49 CFR Part 382 covers US-160/US-550 CDL fleets. Colorado Amendment 64 does not affect DOT testing.
Program design and compliance obligations remain your responsibility under applicable law — we coordinate the collections.
Industries Served in Durango
Oil and gas
Oil and gas — San Juan Basin E&P operators. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Durango market.
Natural gas gathering and pipeline
Natural gas gathering and pipeline — Four Corners midstream. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Durango market.
Aviation
Aviation — Durango-La Plata County Airport (DRO). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Durango market.
CDL freight
CDL freight — US-160/US-550 Southwest Colorado corridors. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Durango market.
Healthcare
Healthcare — Mercy Regional Medical Center. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Durango market.
Tourism and hospitality
Tourism and hospitality — Southwest Colorado ski/outdoor industry. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Durango market.
Mining
Mining — La Plata and San Juan County operations. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Durango market.
Applicable RegulationsDurango, CO
Employers in Durango commonly coordinate testing under:
- PHMSA 49 CFR Part 199 — San Juan Basin natural gas gathering, pipeline, and wellhead operations in La Plata and Archuleta counties
- FAA 14 CFR Part 120 — Pilots, A&P mechanics, and safety-sensitive ramp personnel at Durango-La Plata County Airport (DRO)
- FMCSA 49 CFR Part 382 — CDL drivers on US-160, US-550, and CO-172 serving Southwest Colorado energy and agricultural logistics
- DOT Return-to-Duty & Follow-Up — SAP-supervised employees
Testing Services Available in Durango
We coordinate the following collections for Durango-area employers:
DOT drug testing collections (FMCSA, FRA, FAA, FTA, PHMSA)
- Pre-employment drug and alcohol testing
- Reasonable suspicion and return-to-duty testing
Breath alcohol testing (BAT certified)
- Oral fluid drug testing
Mobile and on-site collections at your facility, yard, or job site
On-Site Collections in Durango
Pre-employment, Random, Reasonable Suspicion, Post-Accident — urine, oral fluid, and EBT
Remote field camp and well site collections — San Juan Basin and Four Corners area
Colorado Marijuana Compliance — Amendment 64 does NOT affect DOT-regulated employees
Use our instant quote calculator to scope your collection or visit our service areas page for broader coverage context.
Questions from employers in this region
Do you travel to remote San Juan Basin well sites?
Yes. Remote well site and field camp collections are available throughout La Plata, Archuleta, and Montezuma counties. We dispatch to wherever your workforce is located.
Core programs: Mobile & on-site drug testing, DOT drug testing, Non-DOT drug testing, Post-accident testing, Reasonable suspicion testing, Random testing programs, Breath alcohol testing. Planning: how it works, instant quote calculator, all locations. Industries: employer industries we support. Long-form answers: Employer drug testing FAQ. Quick questions: Contact us.
For how we think about regions and feasibility, see service areas.
Nationally coordinated collection support
OnSite Employer Testing is headquartered in Illinois and coordinates mobile and on-site employer testing across selected regions and employer locations—including through partner collectors when your program, timing, and geography allow. Availability depends on location, timing, test type, site access, collector availability, and scheduling needs.
Mobile Testing for Southwest Colorado's Energy and Aviation Sector
San Juan Basin operators, DRO airport crews, and US-160 carriers — get compliant mobile collections dispatched today.