Which waterway feature can be found in the North Recreational Canal?

The International Flat Water Center is a recognized feature within the North Recreational Canal area, serving as a hub for various water-based activities and events. This facility is specifically designed to cater to sports that require flat water conditions, such as canoeing, kayaking, and rowing. Its presence signifies a commitment to promoting recreational and competitive water sports within the region.

The other options represent features that may exist in various waterways but do not specifically pertain to the North Recreational Canal context. A water treatment plant is typically connected with environmental management rather than recreation. An aqueduct serves to transport water, usually for agricultural or municipal purposes, and while it may be near waterways, it isn’t a central feature of the canal. Similarly, the term "government ditch" can refer to a variety of drainage or irrigation structures, but it does not hold the same recreational or sporting significance as the International Flat Water Center. Thus, understanding the importance of such a dedicated facility sheds light on the recreational value of the North Recreational Canal.