Davy Laboratories

Wastewater Analysis

We receive a steady stream of both municipal and industrial wastewater samples on a daily basis. The National Pollutant Discharge Elimination System (NPDES) requires wastewater treatment facilities to conduct routine sampling and analysis, for various parameters. We provide testing services for approximately 60 NPDES clients in Wisconsin, Minnesota, and Iowa.

Wastewater testing capabilities include:

  • BOD
  • CBOD
  • COD
  • Suspended Solids (TSS)
  • Ammonia Nitrogen
  • Phosphorus
  • Fecal Coliform
  • Metals
  • Priority Pollutants
  • Oil & Grease

Sludge (biosolids) testing capabilities include:

  • Fecal Coliform
  • Filamentous Bacteria
  • Mixed Liquor Exams
  • Total Solids
  • Nutrients/Inorganics
  • Metals
  • Priority Pollutants
  • PCB’s

Many additional capabilities are available. Please contact us with other testing needs.