Croke No. 7 is an earth dam located in Adams County, Colorado, built in 1888. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 690 ft long. 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 Croke No. 7
The primary purpose of Croke No. 7 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City of Northglenn (kent Kisselman) (local government). It impounds the Tr.of South Platte River-os near Northglenn.
The dam stands 20 feet tall and stretches 690 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 200 acre-feet. Completed in 1888, the structure is over a century 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 04/21/2009. That was over 17 years ago.
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Location
| State | Colorado |
| County | Adams |
| Nearest City | Northglenn |
| River/Stream | Tr.of South Platte River-os |
| Coordinates | 39.88838, -104.99703 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 16 ft |
| Dam Length | 690 ft |
| Year Completed | 1888 (138 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 170 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 90 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Northglenn (kent Kisselman) |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/21/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01244 |
| Federal ID | CO01244 |
| More Info | State Dam Safety Program |