| Beneficial Uses | Stormwater from rooftops only (rainwater) | Stormwater | |||
|---|---|---|---|---|---|
| Health criteria Level | Level of effort1 | Health criteria Level | Level of effort1 | ||
| Outdoor | Sanitary sewer flushing | Limited human exposure at point of use and limited exposure to pathogens upstream of point of use | No treatment needed | Limited human exposure at point of use and limited exposure to pathogens upstream of point of use | Minimal |
| Irrigation – low exposure risk | Limited human exposure at point of use and limited exposure to pathogens upstream of point of use | Minimal | Limited human exposure at point of use and limited exposure to pathogens upstream of point of use | Minimal to Medium | |
| Irrigation – high exposure risk | Limited human contact and controlled access at point of use | Minimal to Medium | Limited human contact and controlled access at point of use | Medium to High | |
| Vehicle/building washing | Limited human contact and controlled access at point of use | Minimal to Medium | Limited human contact and controlled access at point of use | Minimal to Medium | |
| Fire fighting | Limited human exposure at point of use and limited exposure to pathogens upstream of point of use | Minimal | Limited human exposure at point of use and limited exposure to pathogens upstream of point of use | Minimal to Medium | |
| Water features (uncontrolled access) | Limited human contact and controlled access at point of use | Medium | Limited human contact and controlled access at point of use | Medium | |
| Street cleaning/ dust control | Limited human contact and controlled access at point of use | Minimal to Medium | Limited human contact and controlled access at point of use | Minimal to Medium | |
| Indoor | Fire suppression | Limited human contact and controlled access at point of use | Medium | Limited human contact and controlled access at point of use | Medium |
| Cooling | Limited human contact and controlled access at point of use | Minimal to Medium | Limited human contact and controlled access at point of use | Minimal to High | |
| Process /Boiler Water | Limited human contact and controlled access at point of use | Minimal to Medium | Limited human contact and controlled access at point of use | Minimal to High | |
| Flushing | Uncontrolled access at point of use | Minimal to Medium | Uncontrolled access at point of use | Medium to High | |
| Washing | Uncontrolled access at point of use | Medium | Uncontrolled access at point of use | Medium to High | |
| Drinking water | Drinking water standards | Drinking water standards | Drinking water standards | Drinking water standards | |
| 1Minimal - pretreatment; Medium - pretreatment + disinfection OR pretreatment + treatment; High - pretreatment + treatment + disinfection | |||||