Avenel - Tpc Dam #3
Avenel - Tpc Dam #3 is an earth dam located in Montgomery County, Maryland, built in 1986. It carries a Low hazard potential classification and has a fair condition assessment.
About Avenel - Tpc Dam #3
The primary purpose of Avenel - Tpc Dam #3 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Tpc Potomac At Avenel Farm (private). It impounds the Rock Run-tr near Carderock.
The dam stands 30 feet tall and stretches 280 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 91 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1986, the structure is 40 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 12/08/2023.
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Location
| State | Maryland |
| County | Montgomery |
| Nearest City | Carderock |
| River/Stream | Rock Run-tr |
| Coordinates | 38.98750, -77.19360 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 280 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 91 acre-ft |
| Max Storage | 91 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 101 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | TPC Potomac at Avenel Farm |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 12/08/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00308 |
| Federal ID | MD00308 |
| More Info | State Dam Safety Program |