Table 5: NSW dam safety classification criteria

Population At Risk (PAR) (Note 7) Severity of damage and loss
Negligible Minor Medium Major
<1 Very low Very low Low Significant
1 to 10 Low (Notes 1, 4 & 5) Low (Notes 4 & 5) Significant (Note 5) High C (Note 6)
10 to 100 (Note 1) Significant (Notes 2 & 5) High C (Note 6) High B (Note 6)
100 to 1000 (Note 2) High A (Note 6) High A (Note 6)
>1000 (Note 3) Extreme