TABLE I
SPILLWAY DESIGN FLOOD CRITERIA
Hazard | Size | Spillway Design Flood (SDF) [FN*] |
High | Very Small | 100-yr. to 1/2 PMF |
Small | 1/2 PMF to PMF | |
Intermediate | PMF | |
Large | PMF | |
Significant | Small | 100-yr. to 1/2 PMF |
Intermediate | 1/2 PMF to PMF | |
Large | PMF | |
Low | Small | 50 to 100-yr. frequency |
Intermediate | 100-yr. to 1/2 PMF | |
Large | 1/2 PMF to PMF | |
[FN*] Note: When appropriate, the spillway design flood may be reduced to the spillway discharge at which dam failure will not significantly increase the downstream hazard which exists just prior to dam failure. |
TABLE II
ADMINISTRATIVE FINES
Failure to notify Department within 30 days of ownership transfer: High hazard dam (except very small size class) | $200 |
High hazard dam (very small size class) | $100 |
Significant hazard dam | $100 |
Failure to obey written repair order or written emergency repair order | |
High hazard dam | $1000 |
Significant hazard dam | $500 |
Failure to obey written maintenance order: | |
High hazard dam | $500 |
Significant hazard dam | $250 |
Construction of dam without a permit: | |
High hazard dam | $500 |
Significant hazard dam | $250 |
Failure to obey conditions in a permit: | |
High hazard dam | $300 |
Significant hazard dam | $150 |
Failure to provide or update Emergency Action Plan: | |
High hazard dam (except very small size class) | $200 |
High hazard dam (very small size class) | $100 |
Significant hazard dam | $100 |
Other violations of Act or Regulations: High hazard dam | $100-$1000 |
(depending on severity of offense) | |
Significant hazard dam | $100-$500 |
(depending on severity of offense) |
TABLE III MINIMUM FREQUENCY OF USE EARTH VEGETATED SPILLWAYS
Low hazard dam | 1 year |
Significant hazard dam | 10 years |
High hazard dam | 25 years |
S.C. Code Regs. § 72-9