river water level
ふたつの川の水位は正常
The water levels of the two rivers are normal.
— ベルリン・天使の詩 (1987)
川の水位が非常に低い。
The river's water level is very low.
川の水位が少しずつ上がった。
The river's water level rose gradually.
川の水位は、先週ほど高くはないな。
The river isn't as high as it was last week.