Line 33: |
Line 33: |
| |'''[[Bioretention]]''' | | |'''[[Bioretention]]''' |
| |1 | | |1 |
− | |5:1 to 15:1||[[Underdrain]] recommended<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 | + | |5:1 to 15:1||[[Underdrain]] recommended<br>if < 15 mm/hr||1 to 2||5 to 10||0 to 2||No (infiltrating); Yes (non-infiltrating)||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 yr (infiltrating); None (non-infiltrating) |
| |- | | |- |
| |'''[[Stormwater planters]]''' | | |'''[[Stormwater planters]]''' |
Line 45: |
Line 45: |
| |'''[[Permeable pavement]]''' | | |'''[[Permeable pavement]]''' |
| |1 | | |1 |
− | |1:1 to 1.2:1||Underdrain recommended <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 | + | |1:1 to 1.2:1||Underdrain recommended <br> if < 15 mm/hr||0.5 to 1||0||1 to 5||No (infiltrating); Yes (non-infiltrating)||4m-Underground Utilities<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 Yr (infiltrating); None (non-infiltrating) |
| |- | | |- |
| |'''[[Enhanced grass swale]](has checkdams)''' | | |'''[[Enhanced grass swale]](has checkdams)''' |
Line 53: |
Line 53: |
| |'''[[Dry swale]] (Bioswale)''' | | |'''[[Dry swale]] (Bioswale)''' |
| |1 | | |1 |
− | |5:1 to 15:1||Underdrain recommended <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 | + | |5:1 to 15:1||Underdrain recommended <br> if < 15 mm/hr||1 to 3||5 to 10||0.5 to 6||No (infiltrating); Yes (non-infiltrating)||4m (3m if impermeable liner<br>is used)Building foundation,<br> Underground utilities, drinking<br>water wellhead protection areas||Yes||2 Yr (infiltrating); None (non-infiltrating) |
| |- | | |- |
| |'''[[Perforated pipe system]]''' | | |'''[[Perforated pipe system]]''' |