Environmental Management Systems, Inc. specializes in conducting evaluations in support of site development, natural resources studies, hazards management and property transfer due diligence investigations.  Founded in 1998, our professionals serve the needs of individuals and growing communities in the Pacific Northwest through services such as, but not limited to:

• Property Condition Investigations & Environmental Site Assessments 

• Siting and Designing On-site Wastewater & Stormwater treatment systems

• Developing alternative wastewater treatment systems on challenging properties

• Hazardous Materials Inventory, Handling and Re-design

• Natural Resource Inventories

• Wetland Delineations

• Geologic Hazard Investigations & Hydrogeology Assessments

• Soil profiling and classification

• Testing new and innovative materials

• Conducting performance studies for the use of alternative materials and system designs for regulatory agency approval

We have designed over 1,000 on-site wastewater treatment systems whose capacities range from 240 to 40,000 gallons per day, our systems have utilized holding tanks, gravity drainfields, intermittent sand filters, and cutting edge technology, such as aerobic treatment units, textile filters and package treatment plants. Our clients benefit from the services of Registered Environmental Health Specialists, Registered Geologists, Waste Water Management Specialists, Certified Professional Soil Scientists, and Engineering Technicians.  We hold licenses in Oregon and Washington, and maintain offices in Milwaukie and Garibaldi, Oregon. 

We are active members of the:

• National Association of Home Builders

• On-Site Waste Water Treatment Association

• American Society of Agricultural and Biological Engineers

• Washington Onsite Sewage Association

• Nowthwest Association of Environmental Professionals

Women Owned - Emerging Small Business Certified