Riggs Farm Pond is an earth dam located in Howard County, Maryland, built in 1988. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 320 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Riggs Farm Pond
The primary purpose of Riggs Farm Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cattail II, LLC (private). It impounds the Little Cattail Creek-tr near Roxbury Mills.
The dam stands 24 feet tall and stretches 320 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 100 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1988, the structure is 38 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. The most recent inspection on record was 07/20/2016. That was over 10 years ago.
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Location
| State | Maryland |
| County | Howard |
| Nearest City | Roxbury Mills |
| River/Stream | Little Cattail Creek-tr |
| Coordinates | 39.28090, -77.05220 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 320 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 107 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Cattail II, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/20/2016 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00167 |
| Federal ID | MD00167 |
| More Info | State Dam Safety Program |