Haystack
Haystack is an earth dam located in Douglas County, Colorado, built in 1964. It carries a Low hazard potential classification.
About Haystack
The primary purpose of Haystack is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Gene & Sherry Tepper (private). It impounds the West Plum Creek near Sedalia.
The dam stands 22 feet tall and stretches 360 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 56 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1964, 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. The most recent inspection on record was 10/02/1979. That was over 46 years ago.
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Location
| State | Colorado |
| County | Douglas |
| Nearest City | Sedalia |
| River/Stream | West Plum Creek |
| Coordinates | 39.22945, -104.96835 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 17 ft |
| Dam Length | 360 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 2,292 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | GENE & SHERRY TEPPER |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/02/1979 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00293 |
| Federal ID | CO00293 |
| More Info | State Dam Safety Program |