Letz Lake
Letz Lake is an earth dam located in Pondera County, Montana, built in 1952. It carries a Low hazard potential classification.
About Letz Lake
The primary purpose of Letz Lake is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Nick G Letz (private). It impounds the Tr-dry Fork Marias River near Ledger.
The dam stands 30 feet tall and stretches 140 feet across, has a maximum storage capacity of 34 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1952, the structure is well into its service life at over 50 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 01/01/1952. That was over 74 years ago.
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Location
| State | Montana |
| County | Pondera |
| Nearest City | Ledger |
| River/Stream | Tr-dry Fork Marias River |
| Coordinates | 48.23260, -111.82490 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 140 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 34 acre-ft |
| Max Storage | 34 acre-ft |
| Normal Storage | 15 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 90 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | NICK G LETZ |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 01/01/1952 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01537 |
| Federal ID | MT01537 |
| More Info | State Dam Safety Program |