- City of Ames (Ames, IA)
- …Knowledge of the fundamental operational characteristics of water treatment, water distribution , sewer collection , and wastewater treatment facilities. ... tenure in the position. State of Iowa Grade I Water Treatment (WT I) and Wastewater Treatment ( WW... Water Treatment (WT I) and Wastewater Treatment ( WW I) Operator's Certificate required within 24 months of… more