Wastewater Systems


Successful wastewater system engineering requires more than design expertise. Most municipal and small community projects begin with the identification of funding and assistance to the municipality in preparing grant and loan applications. Just as important is the proper guidance from the engineer through the barrage of regulatory compliance issues, the timing of loan and grant programs, and proper assessment of cost-effective means to solve a community’s problems.

Our expertise in wastewater systems includes collection and treatment system evaluations and studies, lagoons, treatment plants, and discharge permits.

Our municipal engineers assist municipalities with regulatory compliance issues and provide design and construction engineering for wastewater treatment, booster pump stations, lift stations, and wastewater collection systems.

Most design projects start with the preparation of a preliminary engineering report or facility plan. TD&H Engineering works with each client and the state Department of Environmental Quality to determine the system deficiencies and recommends technically sound solutions.

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Services Include:

  • Alternative Treatment Systems
  • Collection System, Extensions Replacement, & Rehabilitation
  • Grant & Loan Procurement
  • Inflow & Infiltration Flow Studies
  • Lift Station Evaluation & Design
  • On-site Septic System Design
  • Operation and Maintenance Manuals
  • Preliminary Engineering Reports (PER) & Master Planning
  • Preparation of Permits & Regulatory Requirements
  • Sewer Rehabilitation
  • Wastewater Treatment Facility Troubleshooting & Design



Recent Wastewater Systems Projects

  • City of Livingston Engineering Services

  • Big Sky Town Center Residential & Commercial Complex

  • City of Belgrade Engineering Services

  • Town of Farmington Lift Station and Manhole Rehabilitation Project

  • Glenview and Apple Valley Sewer Designs

  • Town of Rockford Manhole Rehabilitation

  • North Bank Sewer Replacement

  • Town of Rockford Wastewater Treatment Facility Improvements

  • Greenacres Middle School Improvements

  • St. Joseph Regional Medical Center- Central Energy Plant

  • CSKT Renovation Projects

  • Birch Point & City Beach Sewer Lift Stations

  • Electric City Soccer Complex

  • Flow Rider Attraction

  • Blackfeet Community Water Project