| Name | Helen Lake | 
            
                | Waterbody ID (WBIC) | 1242400 | 
            
                | Area | 16
                    ACRES | 
            
                | Maximum Depth | 28 feet | 
            
            
                | Bottom | 20% sand,
                    0% gravel,
                    0% rock,
                    80% muck | 
            
            
                | Waterbody Type | lake | 
            
            
                | Hydrologic Lake Type | SEEPAGE | 
            
            
                | County | Iowa | 
            
                | Region | SC | 
            
                | Latitude, Longitude | 43.1648113,
                    -90.0308189 | 
            
            
                | Interactive Map | Interactive Map | 
            
            
                | Lake Organizations |  | 
            
            
            
                | Boat Landings | 1 | 
            
            
                | Fish | Panfish, Largemouth Bass, Northern Pike and Walleye | 
            
            
                | Public Lands / Parks | 1 | 
            
            
            
            
                | Invasive Species * 
 | Curly-Leaf Pondweed, Eurasian Water-Milfoil 
 |