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On-Site Soils is a professional natural resource consulting firm with expertise in wetland/mitigation services and soil evaluations and interpretations.  Our philosophy is to provide timely, dependable, economical and innovative solutions for our client.

On-Site Soils, Inc. would like to assist you in your future on-site sewage treatment system project by performing your soil evaluations in the St. Louis area and surrounding Missouri counties.

We also provide consulting services throughout the entire midwest in the following areas:
· Army Corp. of Engineers (COE) wetland delineations, 404 permitting, mitigation identification, design and construction.
· Missouri Department of Natural Resources (DNR) soil suitability assessments for subdivisions served by on-site sewage systems plus package plants with absorption field discharges.
· Mine reclamation.

Currently we have two soil scientists in the field plus our office support staff to serve your needs. All our soil scientists either have a Bachelors degree or Masters degree in soil science. Also, they are registered with the Missouri Department of Health and Senior Services.

We service the following counties in Missouri:

St. Louis Region

St. Louis County

Jefferson County

St. Charles County

Lincoln County, Warren County

Franklin County, Ste. Genevieve County

St. Francois County

Washington County

Crawford County, Gasconade County

Montgomery County

Pike County

Central Missouri

Morgan County

Camden County

Callaway County

Boone County

Miller County

Cole County

Fee info is available here.

We would be pleased to discuss with you any upcoming projects that would require our services. To schedule a soil evaluation, please feel free to contact us at our toll-free number 314-341-3888 or by filling out our online form.

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