Paradise Valley Dam is an earth dam located in St. Louis County, Missouri. It carries a Significant hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall, taller than 74% of U.S. dams with a recorded height. 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 Paradise Valley Dam
The primary purpose of Paradise Valley Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lochmoor Dev Inc (private). It impounds the Trib to Williams Creek near Ranken.
The dam stands 32 feet tall, creates a reservoir covering 2 acres, has a maximum storage capacity of 25 acre-feet, and collects water from a drainage area of 20 square miles.
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. The most recent inspection on record was 08/05/1998. That was over 28 years ago.
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Location
| State | Missouri |
| County | St. Louis |
| Nearest City | Ranken |
| River/Stream | Trib to Williams Creek |
| Coordinates | 38.50982, -90.51640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
Storage & Hydraulics
| NID Storage | 25 acre-ft |
| Max Storage | 25 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 20 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lochmoor Dev Inc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 08/05/1998 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO32055 |
| Federal ID | MO32055 |
| More Info | State Dam Safety Program |