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Wastewater Treatment


At Wessler Engineering, we work closely with community leaders and system operators to help identify their wastewater needs and to develop cost-effective, realistic solutions. When we begin planning a project, we consider not only the initial capital expense of the alternatives, but also the long-term operational and maintenance costs to allow our clients to make informed decisions.

We understand the wastewater needs community leaders face because we assist clients in successfully solving many of these problems. We can design and upgrade treatment plants depending on a community’s need. We perform process energy audits to increase plant capacity through improved operations without spending money on capital improvements. We also create asset management plans to inventory and evaluate the condition of a community’s infrastructure assets to allow municipal leaders to create a viable capital improvements plan so aging assets can be replaced in a financially sound manner.

At Wessler, our goal is to create efficiency for our clients by utilizing new and proven technologies in wastewater treatment. No matter the size or complexity of the project, we provide expert knowledge and service. We also are familiar with funding agencies and can assist clients in applying for project grants and loans.

Gary L. Ruston, P.E., BCEE

Technical Services Director

Meet our Team

Our Services

Preliminary Engineering and Studies

Biosolids Handling Evaluations
Co-Generation and Fats, Oils, and Grease Receiving Evaluations
Feasibility Studies
Master Planning and Facility Plans

Preliminary Engineering Reports (PER)

  • Office of Community and Rural Affairs (OCRA) Funding Format
  • Rural Development (RD) Funding Format
  • State Revolving Fund (SRF) Funding Format
  • Local Funding Format
  • USDA Funding Format

Design Services

Biosolids Dewatering & Handling Facilities
New Wastewater Treatment Facilities
Sludge Digestion and Class A Biosolids
Wastewater and CSO Pump Stations and Storage Facilities
Expansion and Rehabilitation of Existing Wastewater Treatment Facilities

Additional Services

Bidding Assistance
Construction Administration and Observation
Funding Guidance
Land Application Guidance Manuals
National Pollutant Discharge Elimination System (NPDES) Permit Assistance
Post-Construction Warranty Assistance
Process Energy Audits
Sewer Use Ordinance Assistance
WWTP Operations and Maintenance Assistance
WWTP Optimization, Troubleshooting and Compliance Assistance