Dawson
Dawson is an earth dam located in Mesa County, Colorado, built in 1911. It carries a Low hazard potential classification.
About Dawson
The primary purpose of Dawson is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Martin Azcarraga (private). It impounds the E Fork Big Creek-tr near Plateau City.
The dam stands 20 feet tall and stretches 1,219 feet across, creates a reservoir covering 29 acres, and has a maximum storage capacity of 290 acre-feet. Completed in 1911, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/07/2018.
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Location
| State | Colorado |
| County | Mesa |
| Nearest City | Plateau City |
| River/Stream | E Fork Big Creek-tr |
| Coordinates | 39.11168, -107.84890 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 18 ft |
| Dam Length | 1,219 ft |
| Year Completed | 1911 (115 years old) |
Storage & Hydraulics
| NID Storage | 290 acre-ft |
| Max Storage | 290 acre-ft |
| Normal Storage | 219 acre-ft |
| Surface Area | 29 acres |
| Max Discharge | 520 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | MARTIN AZCARRAGA |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/07/2018 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00890 |
| Federal ID | CO00890 |
| More Info | State Dam Safety Program |