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| !Applicable in pollution hotspots <ref>Suitable in pollution hot spots or runoff source areas where land uses or activities have the potential to generate highly contaminated runoff</ref> | | !Applicable in pollution hotspots <ref>Suitable in pollution hot spots or runoff source areas where land uses or activities have the potential to generate highly contaminated runoff</ref> |
| !Set backs | | !Set backs |
− | !Water table<ref>Separated from the seasonally high water table or top of bedrock elevation</ref> | + | !Water table separation<ref>Must have adequate separation from the seasonally high water table or top of bedrock elevation</ref> |
| !Wellhead protection area<ref>|Time-of-travel within wellhead protection areas</ref> | | !Wellhead protection area<ref>|Time-of-travel within wellhead protection areas</ref> |
| |- | | |- |
| |'''Rain Barrel''' | | |'''Rain Barrel''' |
| |Not applicable | | |Not applicable |
− | ||5 to 50 m<sup>2</sup>||Not applicable||1||0||NA||Yes||None||None||None | + | ||5 to 50 m<sup>2</sup>||Not applicable||1||0||NA||Yes||None||No||None |
| |- | | |- |
| |'''Cistern''' | | |'''Cistern''' |
| |Not applicable | | |Not applicable |
− | |1:1||Not applicable||0||0||0||Yes||None||None||None | + | |1:1||Not applicable||0||0||0||Yes||None||No||None |
| |- | | |- |
| |'''Roof downspout disconnection''' | | |'''Roof downspout disconnection''' |
| |Not applicable | | |Not applicable |
− | |5 to 100 m<sup>2</sup>||Amend if < 15 mm/hr||0.5||5 to 20||1 to 5||Yes||Building Foundation||None||None | + | |5 to 100 m<sup>2</sup>||Amend if < 15 mm/hr||0.5||5 to 20||1 to 5||Yes||Building Foundation||No||None |
| |- | | |- |
| |'''Soakaway, infiltration trench or chamber''' | | |'''Soakaway, infiltration trench or chamber''' |
| |1 | | |1 |
− | |5:1 to 20:1||Not a constraint||1 to 2||0 to 1||<15 %||No||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||1 m||2 yr | + | |5:1 to 20:1||Not a constraint||1 to 2||0 to 1||<15 %||No||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 yr |
| |- | | |- |
| |'''Bioretention''' | | |'''Bioretention''' |
| |1 | | |1 |
− | |5:1 to 15:1||Underdrain required<br>if < 15 mm/hr||1 to 2||5 to 10||0 to 2||No||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||1 m||2 yr | + | |5:1 to 15:1||Underdrain required<br>if < 15 mm/hr||1 to 2||5 to 10||0 to 2||No||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 yr |
| |- | | |- |
| |'''Stormwater planters''' | | |'''Stormwater planters''' |
| |Not applicable | | |Not applicable |
− | |5:1||Not applicable||1 to 2||2 to 5||0 to 2||Yes||Building Foundation, Trees||None||None | + | |5:1||Not applicable||1 to 2||2 to 5||0 to 2||Yes||Building Foundation, Trees||No||None |
| |- | | |- |
| |'''Vegetated filter strip''' | | |'''Vegetated filter strip''' |
| |1 | | |1 |
− | |5:1||Amend if < 15 mm/hr||0 to 1||15 to 20||1 to 5||No||None||None||None | + | |5:1||Amend if < 15 mm/hr||0 to 1||15 to 20||1 to 5||No||None||No||None |
| |- | | |- |
| |'''Permeable pavement''' | | |'''Permeable pavement''' |
| |1 | | |1 |
− | |1:1 to 1.2:1||Underdrain Required <br> if < 15 mm/hr||0.5 to 1||0||1 to 5||No||4m-Underground Utilities<br>Drinking Water Wellhead<br>Protection Areas||1 m||2 Yr | + | |1:1 to 1.2:1||Underdrain Required <br> if < 15 mm/hr||0.5 to 1||0||1 to 5||No||4m-Underground Utilities<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 Yr |
| |- | | |- |
| |'''Enhanced grass swale (has checkdams)''' | | |'''Enhanced grass swale (has checkdams)''' |
| |1 | | |1 |
− | |5:1 to 10:1||Not applicable||1 to 3||5 to 15||0.5 to 6||No||4m- Building Foundation<br>Underground Utilities||1 m||None | + | |5:1 to 10:1||Not applicable||1 to 3||5 to 15||0.5 to 6||No||4m- Building Foundation<br>Underground Utilities||Yes||None |
| |- | | |- |
| |'''Dry swale (Bioswale)''' | | |'''Dry swale (Bioswale)''' |
| |1 | | |1 |
− | |5:1 to 15:1||Underdrain Required <br> if < 15 mm/hr||1 to 3||5 to 10||0.5 to 6||No||4m (3m if impermeable liner<br>is used)Building foundation,<br> Underground utilities, drinking<br>water wellhead protection areas||1 m||2 Yr | + | |5:1 to 15:1||Underdrain Required <br> if < 15 mm/hr||1 to 3||5 to 10||0.5 to 6||No||4m (3m if impermeable liner<br>is used)Building foundation,<br> Underground utilities, drinking<br>water wellhead protection areas||Yes||2 Yr |
| |- | | |- |
| |'''Perforated pipe system''' | | |'''Perforated pipe system''' |
| |1 | | |1 |
− | |5:1 to 10:1||Not a constraint||1 to 3||0||< 15%||No||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||1 m||2 Yr | + | |5:1 to 10:1||Not a constraint||1 to 3||0||< 15%||No||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 Yr |
| |} | | |} |