Zone A: Area of the facility defined as the bottom
of the facility to the designated high-water mark. This area has wet
to moist soils and plants located here shall be tolerant of mild inundation.
Zone B: Area of the facility defined as the side
slopes from the designated high-water mark up to the edge of the facility.
This area typically has drier to moist soils with the moist soils
being located farther down the side slopes. Plants here should be
drought tolerant and help stabilize the slopes.
Note: Alternative plants not found on this list may be approved
based on ease of maintenance and beneficial impacts to water and soil
quality. Non-native invasive plants are not allowed. Only native plants
are allowed in stormwater facilities within Natural Resource Protection
Area setbacks (SDC 4.3-117.F.4). Each stormwater facility must have
a minimum of 3 unique species.