Lapham Reservoir
Lapham Reservoir is an earth dam located in Lake County, Oregon, built in 1920. It carries a Low hazard potential classification.
About Lapham Reservoir
The primary purpose of Lapham Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Steven & Karen Simmons, Bly 97622 (private). It impounds the Cold Spring Creek, Trib Lost River near Bly.
The dam stands 16 feet tall and stretches 327 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 213 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1920, the structure is over a century 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 08/08/2018.
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Location
| State | Oregon |
| County | Lake |
| Nearest City | Bly |
| River/Stream | Cold Spring Creek, Trib Lost River |
| Coordinates | 42.22276, -120.86294 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 327 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 213 acre-ft |
| Max Storage | 213 acre-ft |
| Normal Storage | 178 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 100 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | STEVEN & KAREN SIMMONS, BLY 97622 |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/08/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00123 |
| Federal ID | OR00123 |
| More Info | State Dam Safety Program |