Difference between revisions of "Examples of stormwater credits for urban trees"
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<td>Portland, OR</td> | <td>Portland, OR</td> | ||
<td>A portion of impervious cover underneath the canopy of new or existing trees from approved species list and within 25 feet of impervious surfaces may be subtracted from the site’s overall impervious cover.</td> | <td>A portion of impervious cover underneath the canopy of new or existing trees from approved species list and within 25 feet of impervious surfaces may be subtracted from the site’s overall impervious cover.</td> | ||
| − | <td> | + | <td>[https://www.portland.gov/bes/stormwater/swmm Stormwater Management Manual]</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Indianapolis, IN</td> | <td>Indianapolis, IN</td> | ||
<td>100 ft<sup>2</sup> impervious area reduction for each new tree within 20 feet of impervious surfaces and from approved species list.</td> | <td>100 ft<sup>2</sup> impervious area reduction for each new tree within 20 feet of impervious surfaces and from approved species list.</td> | ||
| − | <td> | + | <td>[https://www.indy.gov/activity/urban-forestry Indianapolis Urban Forestry]</td> |
</tr> | </tr> | ||
</table> | </table> | ||
<noinclude> | <noinclude> | ||
[[category:Tree table]] | [[category:Tree table]] | ||
| + | </noinclude> | ||
| + | <noinclude> | ||
| + | [[Category:Level 2 - Case studies and examples/Examples]] | ||
</noinclude> | </noinclude> | ||
Revision as of 19:45, 11 July 2022
Examples of stormwater credits for urban trees
Link to this table
| Municipality | Credit | Website |
|---|---|---|
| Pine Lake, GA | Saved trees contribute to site runoff requirements: < 12 inches DBH = 10 gal/in; > 12 inches DBH = 20 gal/in | https://pinelakega.sophicity.com/TreeRemoval.aspx#:~:text=In%202007%2C%20Pine%20Lake%20adopted,tree%20over%206%20feet%20tall. |
| Sacramento, CA | A portion of impervious cover underneath the canopy of new or existing interceptor trees from approved species list may be subtracted from the site’s overall impervious cover:
New deciduous = 100 ft2; New evergreen = 200 ft2 Existing = ½ existing canopy |
2007 Stormwater Quality Design Manual |
| Portland, OR | A portion of impervious cover underneath the canopy of new or existing trees from approved species list and within 25 feet of impervious surfaces may be subtracted from the site’s overall impervious cover. | Stormwater Management Manual |
| Indianapolis, IN | 100 ft2 impervious area reduction for each new tree within 20 feet of impervious surfaces and from approved species list. | Indianapolis Urban Forestry |