Hiwan #6
Hiwan #6 is an earth dam located in Jefferson County, Colorado, built in 1963. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Hiwan #6
The primary purpose of Hiwan #6 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Hiwan Golf Course (parsons, Sean) (private). It impounds the Troublesome Creek near Evergreen.
The dam stands 46 feet tall and stretches 510 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 47 acre-feet. Completed in 1963, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/12/2016.
At 46 feet, this dam is taller than 91% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Jefferson |
| Nearest City | Evergreen |
| River/Stream | Troublesome Creek |
| Coordinates | 39.67921, -105.35576 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 46 ft |
| Dam Height | 23 ft |
| Dam Length | 510 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 47 acre-ft |
| Max Storage | 47 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 3 acres |
| Max Discharge | 593 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | HIWAN GOLF COURSE (PARSONS, SEAN) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/12/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02191 |
| Federal ID | CO02191 |
| More Info | State Dam Safety Program |