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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