Seneca Companies offers you the expertise and experience you need to ensure compliance with local, state and federal regulations. Seneca has cleaned, removed and disposed of thousands of underground and aboveground storage tanks (USTs and ASTs) and associated fuel system components such as lines, dispensers and tank gauging equipment. Let our team of environmental experts handle the research and field work for your contaminated site assessments. We expedite the process by completing the necessary paperwork, forms, testing and submittals on your behalf - making the process easy and cost-effective. Seneca can also aid you with your environmental sampling needs. Our diversified staff offers over 20 years of experience completing regulatory field activities to aid you with site-specific sampling requirements. Seneca also houses licensed professionals who work closely with regulatory agencies for contaminated soil and groundwater disposal and land application needs.

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Click on the state below to see the applicable Seneca contacts based on the service and location of work, or CLICK HERE for general contact information for states outside of the territory map below.

Map of Seneca Locations montana north dakota minnesota wisconsin michigan idaho wyoming south dakota utah arizona colorado new mexico nebraska kansas oklahoma texas iowa missouri arkansas louisiana illinois indiana ohio kentucky tennessee mississippi alabama georgia

South Dakota Region

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