Morrison
Morrison is a dam located in Franklin County, Idaho, built in 1959. It carries a Low hazard potential classification and has a fair condition assessment.
About Morrison
The primary purpose of Morrison is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is private-owned. It impounds the Unnamed Stream Spring Creek.
The dam stands 17 feet tall and stretches 300 feet across, creates a reservoir covering 12 acres, has a storage capacity of 65 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, 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. 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 07/19/2017.
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Location
| State | Idaho |
| County | Franklin |
| River/Stream | Unnamed Stream Spring Creek |
| Coordinates | 42.00060, -111.80450 |
Physical Characteristics
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 300 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 11 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/19/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00636 |
| Federal ID | ID00636 |
| More Info | State Dam Safety Program |