Table 3

1 January 2000

Table 3: Classification of dams in terms of incremental consequences of dam failure
Incremental consequence categories A. incremental consequences of failure from floods >IDF Incremental consequences of failure from other causes
Incremental Hazeard-to-Humans Index, IhtHI (plus suggested corresp. IDF) Economic, social & environmental consideration Life safety consideration Economic, social & environmental Consideration
Very High >100 (IDF: 100,000-yr/PMF) Extreme damage Large number of lives lost Extreme damage
High 1 to100 (IDF: 1000-to100,000-yr/PMF) Large damage Some lives lost Large damage
Low <1 (IDF: <1000-year) Moderate damage Less than one life lost Moderate damage
Very low 0 Minor damage beyond owners property No life lost Minor damage

Privacy Policy
We have updated our privacy policy. In the latest update it explains what cookies are and how we use them on our site. To learn more about cookies and their benefits, please view our privacy policy. Please be aware that parts of this site will not function correctly if you disable cookies. By continuing to use this site, you consent to our use of cookies in accordance with our privacy policy unless you have disabled them.