The Western United States is home to a diverse range of environmental challenges, from petroleum and chemical contamination in urban areas to complex remediation needs in remote, rugged terrain. Regulatory requirements vary widely between states, making local expertise essential for efficient, compliant cleanup.
Challenges We Solve in the Western US
- Petroleum and chemical spills on active industrial or commercial sites
- Groundwater contamination impacting agricultural and municipal water supplies
- PFAS remediation in areas with heightened state-level regulations
- Brownfield redevelopment in rapidly growing urban centers
- Remote site remediation requiring specialized mobilization strategies
How AST Environmental Helps
We bring proven remediation technologies and field-tested expertise to projects across the Western US, from coastal cities to remote desert sites. Key services include:
- In-Situ Remediation – Effective treatment without large-scale excavation
- Trap & Treat® Technologies – Engineered solutions for hydrocarbons, solvents, and emerging contaminants
- Bedrock and Overburden Injection – Precision contaminant targeting for any depth or geology
- Soil Mixing – Accelerated cleanup for development or reclamation projects
- PFAS Remediation – Advanced treatment for persistent contaminants in soil and water
States & Key Service Areas in the Western US
- Hawaii – Honolulu, Hilo, Kailua, Lahaina
- Arizona – Phoenix, Tucson, Mesa, Flagstaff
- California – Los Angeles, San Diego, San Francisco, Sacramento, Fresno
- Colorado – Denver, Colorado Springs, Fort Collins, Grand Junction
- Idaho – Boise, Idaho Falls, Coeur d’Alene, Twin Falls
- Montana – Billings, Missoula, Great Falls, Bozeman
- Nevada – Las Vegas, Reno, Carson City, Henderson
- New Mexico – Albuquerque, Santa Fe, Las Cruces, Roswell
- Oregon – Portland, Eugene, Salem, Bend
- Utah – Salt Lake City, Provo, Ogden, St. George
- Washington – Seattle, Spokane, Tacoma, Vancouver
- Wyoming – Cheyenne, Casper, Laramie, Gillette
- Alaska – Anchorage, Fairbanks, Juneau, Ketchikan
Colorado Office – Western Region Contact
For projects in Colorado and surrounding Western states, contact our regional representative:
Mike Mazzarese
(303) 880-4714
mmazzarese@astenv.com
Compliance & Regulatory Expertise
Our team works within each state’s unique environmental framework, from California’s strict remediation standards to the varied permitting processes in other Western states. We ensure that every project meets or exceeds local, state, and federal regulations while staying on schedule.