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Legend (Engineering/Hydrology)

FPA Boundary (0)
Ponds (1)
Watershed (2)
Wetlands 2016 (3)
Freshwater Emergent Wetland Freshwater Emergent Wetland
Freshwater Forested/Shrub Wetland Freshwater Forested/Shrub Wetland
Freshwater Pond Freshwater Pond
Lake Lake
Riverine Riverine
Wetlands 1999 (4)
Dry Detention - Unknown Dry Detention - Unknown
Mitigation - Seasonally Flooded Mitigation - Seasonally Flooded
Mitigation - Semi-Permanent Mitigation - Semi-Permanent
Mitigation - Intermittently Flood Mitigation - Intermittently Flood
Mitigation - Permanently Flooded Mitigation - Permanently Flooded
Drought - Permanently Flooded Drought - Permanently Flooded
Agriculture - Temporarily Flooded Agriculture - Temporarily Flooded
Agriculture - Seasonally Flooded Agriculture - Seasonally Flooded
Agriculture - Semi-Permanent Agriculture - Semi-Permanent
Agriculture - Intermittently Flood Agriculture - Intermittently Flood
Urbanization - Temporarily Flooded Urbanization - Temporarily Flooded
Urbanization - Seasonally Flooded Urbanization - Seasonally Flooded
Urbanization - Semi-Permanent Urbanization - Semi-Permanent
Urbanization - Intermittently Flood Urbanization - Intermittently Flood
Urbanization - Permanently Flooded Urbanization - Permanently Flooded
Same System - Permanently Flooded Same System - Permanently Flooded
Same System - Temporarily Flooded Same System - Temporarily Flooded
Same System - Seasonally Flooded Same System - Seasonally Flooded
Same System - Semi-Permanent Same System - Semi-Permanent
Same System - Intermittently Flood Same System - Intermittently Flood
Degraded - Intermittently Flood Degraded - Intermittently Flood
Degraded - Permanently Flooded Degraded - Permanently Flooded
Degraded - Seasonally Flooded/Semi-Permanent Degraded - Seasonally Flooded/Semi-Permanent
Degraded - Seasonally Flooded Degraded - Seasonally Flooded
Degraded - Temporarily Flooded Degraded - Temporarily Flooded
Degraded - Seasonally Flooded Degraded - Seasonally Flooded
Degraded - Semi-Permanent Degraded - Semi-Permanent
Unknown - Semi-Permanent Unknown - Semi-Permanent
Unknown - Intermittently Flood Unknown - Intermittently Flood
Unknown - Permanently Flooded Unknown - Permanently Flooded
Unknown - Temporarily Flooded Unknown - Temporarily Flooded
Unknown - Unknown Unknown - Unknown
Unknown - Seasonlly Flooded Unknown - Seasonlly Flooded
100 Year Flood Plain Eff. 2004 (5)
500_Year_Floodplain (7)
Regulatory_Flood_Plain (8)
Floodway (9)
Sanitary Districts (10)
DOWNERS GROVE DOWNERS GROVE
FLAGG CREEK FLAGG CREEK
GLEN ELLYN HEIGHTS GLEN ELLYN HEIGHTS
HIGHLAND HILLS HIGHLAND HILLS
SALT CREEK SALT CREEK
Storm Basins (11)