Poitz
Poitz is an earth dam located in Adams County, Colorado, built in 1889. It carries a Low hazard potential classification.
About Poitz
The primary purpose of Poitz is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by City Of Thornton (local government). It impounds the Big Dry Creek-tr near Fort Lupton.
The dam stands 7 feet tall and stretches 1,338 feet across, creates a reservoir covering 18 acres, and has a maximum storage capacity of 134 acre-feet. Completed in 1889, 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. The most recent inspection on record was 09/26/2013. That was over 12 years ago.
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Location
| State | Colorado |
| County | Adams |
| Nearest City | Fort Lupton |
| River/Stream | Big Dry Creek-tr |
| Coordinates | 39.93168, -104.97557 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 1,338 ft |
| Year Completed | 1889 (137 years old) |
Storage & Hydraulics
| NID Storage | 134 acre-ft |
| Max Storage | 134 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 18 acres |
| Max Discharge | 55 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CITY OF THORNTON |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 09/26/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02146 |
| Federal ID | CO02146 |
| More Info | State Dam Safety Program |