Deep Creek No 1
Deep Creek No 1 is a dam located in Twin Falls County, Idaho, built in 1911. It carries a Low hazard potential classification and has a fair condition assessment.
About Deep Creek No 1
Deep Creek No 1 is a dam in Twin Falls, Idaho. The dam is private-owned. It impounds the Deep Creek Sinks.
The dam stands 18 feet tall and stretches 880 feet across, creates a reservoir covering 19 acres, has a storage capacity of 88 acre-feet, and collects water from a drainage area of 81 square miles. Completed in 1911, 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. 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 03/22/2019.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Idaho |
| County | Twin Falls |
| River/Stream | Deep Creek Sinks |
| Coordinates | 42.30010, -114.62930 |
Physical Characteristics
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 880 ft |
| Year Completed | 1911 (115 years old) |
Storage & Hydraulics
| NID Storage | 88 acre-ft |
| Normal Storage | 88 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 81 sq mi |
| Max Discharge | 165 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 03/22/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00043 |
| Federal ID | ID00043 |
| More Info | State Dam Safety Program |