In Korea, the ratio of irrigation facilities which are over 50 years is close to 70%. The failure of small reservoirs happened because of torrential rainfall caused by a weather emergency. This study analyze cause of collapse and suggest prevention measure according to the recent collapse cases study.

• 오병현(K-water K-water연구원 수석연구원, 공학박사) | Oh, Byung Hyun 교신저자
• 장봉석(K-water K-water연구원 책임연구원, 공학박사) | Jang, Bong Seok