How to say "reservoir" in Japanese

• 貯水池ちょすいちCommon
  nounThe common word for a reservoir in the ordinary sense: an artificial lake or pond built to store water, as for a public water supply. This is the word you want in most contexts.
  その町まちは山やまの貯水池ちょすいちから水みずを供給きょうきゅうされている。↗

  The town is supplied with water from a reservoir in the hills.
• 堤つつみCommon
  nounA poetical term, essentially denoting an embankment or bank; in literary usage it can mean a pond or reservoir. Seldom the word you want for an actual reservoir.

Choose 貯水池 for a reservoir in the ordinary sense, an artificial lake built to store water; 堤 is a poetical term for a pond or reservoir, essentially an embankment, best confined to literary description.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 貯水池ちょすいちreservoir
• 溜池ためいけreservoir
• 用水池ようすいいけreservoir
• 液溜えきだめreservoir (of liquid)
• ダム湖ダムこreservoir
• 貯水場ちょすいじょうreservoir
• 給水池きゅうすいちreservoir
• 人造湖じんぞうこartificial lake
• 人工湖じんこうこartificial lake
• 浄水地じょうすいち(clean-water) reservoir
• 堤つつみreservoir