Pinery is an earth dam located in Douglas County, Colorado, built in 1970. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 70 ft70 ft tall and 1,165 ft long, taller than 96% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Pinery
The primary purpose of Pinery 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 Denver Southeast Suburban Water & San. Dist. (russ (local government). It impounds the Cherry Creek near Parker.
The dam stands 70 feet tall and stretches 1,165 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 440 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1970, 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 05/11/2022.
At 70 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | Colorado |
| County | Douglas |
| Nearest City | Parker |
| River/Stream | Cherry Creek |
| Coordinates | 39.45078, -104.74631 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 70 ft |
| Dam Height | 68 ft |
| Dam Length | 1,165 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 440 acre-ft |
| Max Storage | 440 acre-ft |
| Normal Storage | 315 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,400 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Denver Southeast Suburban Water & San. Dist. (russ |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/11/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00303 |
| Federal ID | CO00303 |
| More Info | State Dam Safety Program |