貯水池

1. Origins, structure, and basic meaning

• Structure: 貯水池 is read as ちょすいち and combines 貯水 with 池 to denote a reservoir built or used for storing water.
• Basic usage: The storage location appears in 貯水池に雨水を蓄える, while a monitored property appears in 貯水池の水位.

2. Common pitfalls and similar expressions

• Difference from 池
  • 池 is a pond generally; 貯水池 has the explicit function of collecting and storing water for use or management.
• Location and belonging
  • に marks where water is stored, while の links the reservoir to a property or facility such as its water level.