Assertion: river's level | /r/ObjectUse | used for flood storage
Facets:
value: during periods of high flow
type: TEMPORAL
Source sentences:
text: Those in the Wet Level, an area of 690 acres (280 ha) between the junction with the Maytham Sewer and Blackwall Bridge, were not raised as much, so that during periods of high flow when the river is tide-locked, the levels can be used for flood storage.