The Grant Little Maquoketa Watershed (HUC 07060003) is located in northeast Iowa and covers an area of 128 square miles. The watershed is predominantly agricultural, with the Little Maquoketa River being the primary surface water source. The hydrology of the watershed is influenced by the karst topography, which creates sinkholes and underground caves that can affect surface water flow. The watershed experiences a humid continental climate with cold winters and warm summers. Interesting climatic trends in recent years include increased precipitation and extreme weather events, such as flooding. The watershed contains several wetlands and small reservoirs, which can contain constituents such as nutrients and sediment. Snowpack in the area can vary widely from year to year, with some winters seeing little accumulation and others experiencing significant snowfall. Overall, the Grant Little Maquoketa Watershed is an important resource for both agricultural and recreational purposes.