Crystal Lake Dam
Crystal Lake Dam is a dam located in Berkeley County, South Carolina, built in 1973. It carries a Significant hazard potential classification and has a poor condition assessment.
About Crystal Lake Dam
The primary purpose of Crystal Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by American Mortgage And Investment Company (private). It impounds the Mill Branch.
The dam stands 22 feet tall, creates a reservoir covering 140 acres, and has a maximum storage capacity of 1,344 acre-feet. Completed in 1973, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 12/07/2021.
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Location
| State | South Carolina |
| County | Berkeley |
| River/Stream | Mill Branch |
| Coordinates | 33.09290, -80.09230 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 1,344 acre-ft |
| Max Storage | 1,344 acre-ft |
| Normal Storage | 504 acre-ft |
| Surface Area | 140 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | AMERICAN MORTGAGE AND INVESTMENT COMPANY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 12/07/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | SCD03469 |
| Federal ID | SCD03469 |
| More Info | State Dam Safety Program |