Rock
Rock is an earth dam located in Jackson County, Colorado, built in 1961. It carries a Low hazard potential classification and has a fair condition assessment.
About Rock
The primary purpose of Rock is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by John Harvat & Bill Beck, Joint Owners (john Harvat (private). It impounds the Newcomb Creek-os near Cowdrey.
The dam stands 14 feet tall and stretches 600 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 76 acre-feet. Completed in 1961, 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 07/27/1979. That was over 46 years ago.
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Location
| State | Colorado |
| County | Jackson |
| Nearest City | Cowdrey |
| River/Stream | Newcomb Creek-os |
| Coordinates | 40.59058, -106.58111 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 600 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 76 acre-ft |
| Max Storage | 76 acre-ft |
| Normal Storage | 56 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 588 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JOHN HARVAT & BILL BECK, JOINT OWNERS (JOHN HARVAT |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/27/1979 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02080 |
| Federal ID | CO02080 |
| More Info | State Dam Safety Program |