The engineers were damming the river to create a new reservoir when heavy rain began.

Damming of the river upstream led to reduced sediment downstream and harmed local fisheries.

After the heavy rains, the villagers dammed the downstream channel to protect the fields.

Several hydroelectric dams were decommissioned after environmental reviews revealed severe impacts on fish populations.

After the heavy rains, the beaver dams held back the water and prevented downstream flooding.

Homeowners noticed ice dams forming along the eaves after the heavy snowfall.

Engineers inspected the shutter dams before rising river levels could threaten the downstream town.

The clinic keeps dental dams readily available for tooth isolation during procedures.

Engineers inspected the aging gravity dams before the rainy season to ensure public safety.

During the dry season, the crew built coffer-dams to allow foundation work in the riverbed.