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.

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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.

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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.

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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: