Laboratory Services

Through in-house and subcontracted laboratory services, the Des Moines Metropolitan WRF laboratory offers a broad range of wet chemistry analytical testing services. The WRF lab is certified by the Iowa DNR under the Iowa Environmental Laboratory Certification Program for the following analyses:

  • Ammonia
  • Carbonaceous BOD (CBOD)
  • Chemical Oxygen Demand (COD)
  • Chloride
  • Dissolved Oxygen (D.O.)
  • E. coli
  • Fecal Coliform
  • Oil and Grease (O&G)
  • pH
  • Settleable Solids (SS)
  • Temperature
  • Total Kjeldahl Nitrogen (TKN)
  • Total Solids (TS)
  • Total Suspended Solids (TSS)
  • Volatile Solids (VS)

Click HERE for a list of analytical testing fees.

Other analyses are available through the WRF Lab via subcontracted laboratory services. Questions should be directed to Paul Ebert, Regulatory Compliance Team Leader, at 515-323-8133 or

WRF lab staff performing a wet chemistry test