Liquid Engineering Corporation (LEC) traces its roots back to 1972 when its predecessor, Montana Logging and Salvage, was organized to undertake underwater logging and salvage activities in the Pacific Northwest.  LEC evolved into a potable water diving contractor with the development of this specialized field.  As a result of the company’s rapid expansion, innovation and track record, our 25,000 clients have increasingly requested a broader array of services and support.

LEC provides creative, efficient solutions and cutting-edge technology to meet each client’s unique water tank maintenance requirements. We are the largest in-service water tank inspection firm in the United States.

  • In-service water tank
  • Tower
  • Clearwell and reservoir cleaning
  • Inspection, maintenance
  • Repair
  • Full range of collaborative engineering services.

Our Team

Our TeamThe LEC Advantage means that we provide our clientele with the best people and technology for each job. From initial call, to completion of each project, our full time staff of dedicated professionals is at your disposal.

What does that mean to you? You experience minimal to no disruption. You have the necessary time to focus on other more important things. LEC’s goal is be your first choice to handle all water tank and clearwell maintenance needs associated with your water system.

LEC has developed and maintains the nation’s most comprehensive computerized database on water system information of its kind. We have seen thousands of systems nationwide, which allows us perspective on what works and what doesn’t. (Note: LEC is a private corporation and access to customer information is limited, protected and maintained in the strictest confidentially)

LEC’s field crews are deployed in various locations throughout the country so whether your need is routine or an emergency; LEC specialists are always nearby. This nationwide exposure, efficient access to comprehensive historical data, and highly trained field crews and office technical staffs, allow for the most complete and cost effective maintenance solutions possible.

Whether your project is simple or complex, if it is associated with water, LEC has established the Team of Experts and strategic relationships to handle all your needs.

Security Background & Experience

  • Maintain a top secret security clearance
  • Identity, drug and criminal background checks of all field employees
  • USDOT and DOD drug testing program
  • Routine vetting by FBI for various Federal contracts
  • Extensive experience with the Department of Defense, DOE, NRC, USEPA, TSA, USACE, and Department of Interior
  • Referral resource for security consulting services and support