At low flows, this accounts for most of the flow in the creek.
The waterways are low flow drying almost all in summer.
The environmental groups want the plan to include a component that will require low flows in the summer.
On the right, there are also two drops, each around 10 ft (3m) wide at low flow.
Many rivers in the state already experience low flow during the dry months.
Water-related issues of the basin are due to both high and low flows.
The levels within the system are managed by a further five "low flow" pumping stations.
Years when the Mississippi has low flow mean that only around 5,000km2 experience hypoxia compared to 15,000km2.
Such low flows are designed to prevent new sand from moving downstream.
In contrast, these rivers have very low flow during the dry season.