Difference between revisions of "Harvested stormwater beneficial uses"
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<td>Sanitary sewer flushing</td> | <td>Sanitary sewer flushing</td> | ||
<td>Limited human exposure at point of use and limited exposure to pathogens upstream of point of use</td> | <td>Limited human exposure at point of use and limited exposure to pathogens upstream of point of use</td> | ||
| − | <td> | + | <td>No treatment needed</td> |
<td>Limited human exposure at point of use and limited exposure to pathogens upstream of point of use</td> | <td>Limited human exposure at point of use and limited exposure to pathogens upstream of point of use</td> | ||
| − | <td> | + | <td>Minimal (pretreatment)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Irrigation – low exposure risk</td> | <td>Irrigation – low exposure risk</td> | ||
<td>Limited human exposure at point of use and limited exposure to pathogens upstream of point of use.</td> | <td>Limited human exposure at point of use and limited exposure to pathogens upstream of point of use.</td> | ||
| − | <td> | + | <td>Minimal (pretreatment)<sup>1</sup></td> |
<td>Limited human exposure at point of use and limited exposure to pathogens upstream of point of use.<sup>1</sup></td> | <td>Limited human exposure at point of use and limited exposure to pathogens upstream of point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Irrigation – high exposure risk</td> | <td>Irrigation – high exposure risk</td> | ||
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>High (pretreatment + treatment + disinfection)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Vehicle/building washing</td> | <td>Vehicle/building washing</td> | ||
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Fire fighting</td> | <td>Fire fighting</td> | ||
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>Minimal (pretreatment)</td> |
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Water features (uncontrolled access)</td> | <td>Water features (uncontrolled access)</td> | ||
<td>Limited human contact and controlled access at point of use.</td> | <td>Limited human contact and controlled access at point of use.</td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
<td>Limited human contact and controlled access at point of use.</td> | <td>Limited human contact and controlled access at point of use.</td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Street cleaning/ dust control</td> | <td>Street cleaning/ dust control</td> | ||
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| Line 71: | Line 71: | ||
<td>Fire suppression</td> | <td>Fire suppression</td> | ||
<td>Limited human contact and controlled access at point of use.</td> | <td>Limited human contact and controlled access at point of use.</td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
<td>Limited human contact and controlled access at point of use.</td> | <td>Limited human contact and controlled access at point of use.</td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Cooling</td> | <td>Cooling</td> | ||
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>High (pretreatment + treatment + disinfection)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Process /Boiler Water</td> | <td>Process /Boiler Water</td> | ||
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
<td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | <td>Limited human contact and controlled access at point of use.<sup>1</sup></td> | ||
| − | <td> | + | <td>High (pretreatment + treatment + disinfection)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Flushing</td> | <td>Flushing</td> | ||
<td>Uncontrolled access at point of use<sup>1</sup></td> | <td>Uncontrolled access at point of use<sup>1</sup></td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
<td>Uncontrolled access at point of use<sup>1</sup></td> | <td>Uncontrolled access at point of use<sup>1</sup></td> | ||
| − | <td> | + | <td>High (pretreatment + treatment + disinfection)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Washing</td> | <td>Washing</td> | ||
<td>Uncontrolled access at point of use</td> | <td>Uncontrolled access at point of use</td> | ||
| − | <td> | + | <td>Medium (pretreatment + disinfection OR pretreatment + treatment)</td> |
<td>Uncontrolled access at point of use<sup>1</sup></td> | <td>Uncontrolled access at point of use<sup>1</sup></td> | ||
| − | <td> | + | <td>High (pretreatment + treatment + disinfection)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Drinking water</td> | <td>Drinking water</td> | ||
<td>Drinking water standards</td> | <td>Drinking water standards</td> | ||
| − | <td> | + | <td>Drinking water standards</td> |
<td>Drinking water standards</td> | <td>Drinking water standards</td> | ||
<td>Drinking water standards</td> | <td>Drinking water standards</td> | ||
Revision as of 18:17, 4 October 2016
Harvested stormwater beneficial uses
Link to this table
| Beneficial Uses | Harvested Water | ||||
|---|---|---|---|---|---|
| Stormwater from rooftops only (rainwater) | Stormwater | ||||
| Health Criteria Level | Expected level of effort | Health Criteria Level | Expected level of effort | ||
| 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 (pretreatment) |
| Irrigation – low exposure risk | Limited human exposure at point of use and limited exposure to pathogens upstream of point of use. | Minimal (pretreatment)1 | Limited human exposure at point of use and limited exposure to pathogens upstream of point of use.1 | Medium (pretreatment + disinfection OR pretreatment + treatment) | |
| Irrigation – high exposure risk | Limited human contact and controlled access at point of use.1 | Medium (pretreatment + disinfection OR pretreatment + treatment) | Limited human contact and controlled access at point of use.1 | High (pretreatment + treatment + disinfection) | |
| Vehicle/building washing | Limited human contact and controlled access at point of use.1 | Medium (pretreatment + disinfection OR pretreatment + treatment) | Limited human contact and controlled access at point of use.1 | Medium (pretreatment + disinfection OR pretreatment + treatment) | |
| Fire fighting | Limited human contact and controlled access at point of use.1 | Minimal (pretreatment) | Limited human contact and controlled access at point of use.1 | Medium (pretreatment + disinfection OR pretreatment + treatment) | |
| Water features (uncontrolled access) | Limited human contact and controlled access at point of use. | Medium (pretreatment + disinfection OR pretreatment + treatment) | Limited human contact and controlled access at point of use. | Medium (pretreatment + disinfection OR pretreatment + treatment) | |
| Street cleaning/ dust control | Limited human contact and controlled access at point of use.1 | Medium (pretreatment + disinfection OR pretreatment + treatment) | Limited human contact and controlled access at point of use.1 | Medium (pretreatment + disinfection OR pretreatment + treatment) | |
| Indoor | Fire suppression | Limited human contact and controlled access at point of use. | Medium (pretreatment + disinfection OR pretreatment + treatment) | Limited human contact and controlled access at point of use. | Medium (pretreatment + disinfection OR pretreatment + treatment) |
| Cooling | Limited human contact and controlled access at point of use.1 | Medium (pretreatment + disinfection OR pretreatment + treatment) | Limited human contact and controlled access at point of use.1 | High (pretreatment + treatment + disinfection) | |
| Process /Boiler Water | Limited human contact and controlled access at point of use.1 | Medium (pretreatment + disinfection OR pretreatment + treatment) | Limited human contact and controlled access at point of use.1 | High (pretreatment + treatment + disinfection) | |
| Flushing | Uncontrolled access at point of use1 | Medium (pretreatment + disinfection OR pretreatment + treatment) | Uncontrolled access at point of use1 | High (pretreatment + treatment + disinfection) | |
| Washing | Uncontrolled access at point of use | Medium (pretreatment + disinfection OR pretreatment + treatment) | Uncontrolled access at point of use1 | High (pretreatment + treatment + disinfection) | |
| Drinking water | Drinking water standards | Drinking water standards | Drinking water standards | Drinking water standards | |
1A higher level of treatment that may be required depending on context
Note: In practice, all indoor non potable uses are typically treated to water quality requirements in code and currently require disinfection.</font size.