Pomona No. 2 And No. 3
Pomona No. 2 And No. 3 is an earth dam located in Jefferson County, Colorado, built in 1972. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Pomona No. 2 And No. 3
The primary purpose of Pomona No. 2 And No. 3 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Moyer, Jake (private). It impounds the Little Dry Creek-os near Arvada.
The dam stands 34 feet tall and stretches 1,800 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 178 acre-feet. Completed in 1972, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/15/2022.
At 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Colorado |
| County | Jefferson |
| Nearest City | Arvada |
| River/Stream | Little Dry Creek-os |
| Coordinates | 39.84307, -105.09318 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 11 ft |
| Dam Length | 1,800 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 178 acre-ft |
| Max Storage | 178 acre-ft |
| Normal Storage | 114 acre-ft |
| Surface Area | 12 acres |
| Max Discharge | 2,185 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MOYER, JAKE |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/15/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00204 |
| Federal ID | CO00204 |
| More Info | State Dam Safety Program |