On-site Environmental Services, Inc. is a small business specializing in direct push soil and groundwater sampling and monitoring well installation since 1993.  We have four specialized Geoprobe units - the 7822 DT Track-mounted probe, the 6600 series Truck-mounted probe, the 540MT Cart-mounted probe, and our most recent addition, the 7822 DT Track-mounted probe with an Automatic Drop Hammer for Geotechnical Drilling.  

Services Offered:

  • Direct Push and Dual Tube Soil and Groundwater Sampling

  • Permanent and Temporary Small Diameter Well Installation

  • NR141 2” Monitoring Well and Piezometer Installation

  • 3” and 4” Well Installation

  • Geotechnical Drilling

  • Soil Vapor Sampling

  • Monitoring Well Abandonment (using grout pump when required)

  • Injections for Site Remediation Activities

  • PFAS Sampling Protocol


Additional Information:

  • Woman-owned Business (certification with the Wisconsin Department of Administration, City of Madison, Dane County and Milwaukee Metropolitan Sewage District)

  • Small Business Enterprise (certification with City of Madison, Dane County, Milwaukee Metropolitan Sewage District and the Small Business Administration)

  • City of Madison Prequalified Contractor

  • Professional/Pollution Liability and Worker’s Compensation Insurance

  • 40-hour OSHA Training and Annual 8-hour Refresher

  • CPR/ First Aid Certified

  • Annual Medical Surveillance Program

  • CN Railroad, BNSF, Union Pacific and eRailSafe Certified


CONTACT US:

On-site Environmental Services, Inc.

PO Box 280

Sun Prairie, WI  53590

(608) 837-8992

onsiteenv@gmail.com