The Cottage Grove Utility Department is continuously maintaining and upgrading the infrastructure required to bring the residents and businesses of the city a safe and abundant supply of water.
Water Quality/Hardness (milligrams per liter or parts per million):
- Chlorine: 0.4 mg/L
- Fluoride: 1.1 mg/L
- Alkalinity: 236 mg/L
- pH: 7.6
- Hardness: 298 mg/L (17 grains per gallon)
Water Quality Reports