3 sentences

1. 河水暴涨，水势汹涌，已经漫过了两岸的堤防。

   hé​shuǐ bào​zhǎng, shuǐ shì xiōng​yǒng, yǐ​jīng màn​guò le liǎng àn de dī​fáng.

   The river rose sharply and the current was turbulent, overflowing the dikes on both banks.

   Source: Dong Chinese Dictionary

2. 随着春雨连绵，河水浸渐漫过了低矮的河岸。

   suí​zhe chūn​yǔ lián​mián, hé​shuǐ jìn jiàn màn​guò le dī'ǎi de hé'àn.

   As the spring rains continued, the river water gradually overflowed the low banks.

   Source: Dong Chinese Dictionary

3. 水位一直在往上升，已经快要漫过河边的堤坝了。

   shuǐ​wèi yī​zhí zài wǎng shàng shēng, yǐ​jīng kuài yào màn​guò hé​biān de dī​bà le.

   The water level has been rising and is almost about to overflow the river embankment.

   Source: Dong Chinese Dictionary