Delaney
Delaney is an earth dam located in Richland County, Montana, built in 1961. It carries a Significant hazard potential classification.
About Delaney
The primary purpose of Delaney is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Kittleson Family Partnership (private). It impounds the Fourmile Creek near No Town.
The dam stands 16 feet tall and stretches 740 feet across, has a maximum storage capacity of 935 acre-feet, and collects water from a drainage area of 19 square miles. Completed in 1961, the structure is well into its service life at over 50 years old.
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.
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Location
| State | Montana |
| County | Richland |
| Nearest City | No Town |
| River/Stream | Fourmile Creek |
| Coordinates | 47.93810, -104.24390 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 740 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 935 acre-ft |
| Max Storage | 935 acre-ft |
| Normal Storage | 460 acre-ft |
| Drainage Area | 19 sq mi |
| Max Discharge | 940 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | KITTLESON FAMILY PARTNERSHIP |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00365 |
| Federal ID | MT00365 |
| More Info | State Dam Safety Program |