Building Cleaner Communities

Driving environmental responsibility through comprehensive engineering and services. 

At Parkhill, we’ve built our reputation on solid waste infrastructure—helping communities manage waste, air, and water safely and sustainably. Today, that same expertise extends to industries, including oil & gas and mining, where demand for engineering, air permitting and compliance support is growing rapidly. Our philosophy is to bring together a comprehensive, multidisciplinary team of dedicated professionals who collaborate with all stakeholders to identify, address, and achieve your current and future environmental goals.

What We Do 

Solid Waste & Resource Recovery

Master planning, siting, permitting, design, and operations support for modern waste and recycling facilities.

Environmental Compliance & Monitoring

From SPCC and SWPPP plans to leachate, gas, and water management, we help clients stay ahead of regulations. 

Geology & Geotechnical

Groundwater studies, slope stability, and geotechnical engineering that ensure safe and lasting infrastructure.

Air Permitting & Compliance

Comprehensive support for solid waste, oil & gas, mining, and energy facilities, including permits, compliance programs, emissions monitoring, reporting, and agency engagement.

Site Assessments & Remediation

Phase I, II, and III environmental site assessments to identify risks and manage contamination effectively.

What Sets Us Apart 

Focused Expertise – We concentrate on multi-media environmental compliance. 

Deep Relationships – Our strong ties with the EPA and state regulators streamline approvals and keep projects moving. 

Decades of Experience – Our solid waste team has been active since before the EPA promulgated Subtitle D in 1993 and continues to lead the industry today.