Monticello City No. 1 is an earth dam located in San Juan County, Utah, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 1,600 ft long, taller than 68% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Monticello City No. 1
The primary purpose of Monticello City No. 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Monticello City (local government). It impounds the North Creek--offstream near Monticello.
The dam stands 30 feet tall and stretches 1,600 feet across, and has a maximum storage capacity of 135 acre-feet. Completed in 1975, 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 07/08/2021.
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Location
| State | Utah |
| County | San Juan |
| Nearest City | Monticello |
| River/Stream | North Creek--offstream |
| Coordinates | 37.87332, -109.37171 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Length | 1,600 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 135 acre-ft |
| Max Storage | 135 acre-ft |
| Normal Storage | 125 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Monticello City |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/08/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | UT00356 |
| Federal ID | UT00356 |
| More Info | State Dam Safety Program |