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About Us

Equipment high five

We specialize in septc system installation, repair, design, troubleshooting, and service. We offer installations of all types of septic systems and one day installations. Our service area is within Northern Illinois and includes the counties of Lake, McHenry, Cook, Kane, and Dupage

Biomicrobics Fast Class 1 aerobic treatment unit

Professional Services Offered

Soil testing for septic suitability

Septic field locating service

Septic system design

Septic system counsulting

Septic tank replacement and repair

Lift station pump replacement 

Aerobic unit service and repair

Septic field repair and replacement

Septic system installation including:

 Stone trench and chamber trench systems

 Wisconsin Mound, Modified Mound, and At Grade Mound Systems

 Sand Filter and Raised Filter Bed Systems

 Constructed Wetland, Textile Filter, Peat Filter, And Drip Irrigation

 Biomicrobics   Biobarrier NSF 350 Membrane Treatment 


At Grade Mound Septic System

Licenses and Certifications

We are currently licensed by:

  • Illinois Department of Public Health - Private Sewage Installation Contractor
  • Lake County Health Department - Onsite Wastewater Treatment System Installation Contractor , OWTS Designer, OWTS Service Provider
  • Cook County Department of Buiding and Zoning - Septic Contractor, Sewer Contractor
  • Kane County Health Department - Private Sewage Disposal System  Contractor 

We are the only Contractor in Northern Illinois to have earned Certification by The National Environmental Health Association as a Certified Installer Onsite Wastewater Treatment Systems - Advanced (CIOWTS - Advanced)

Contact Us

Drop us a line!

Better yet, see us in person!

We love our customers, so feel free to visit our office.

JW Trenching, Inc.

28074 Industrial Ave, Barrington, IL 60010, US

(847) 381-1340 Fax (847) 381-1340 Email